理论力学课后习题答案整合(清华大学出版社2004年版)

理论力学课后习 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 答案 八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案 整合(清华大学出版社2004年版) recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第1篇 工程静力学基础 第1章 受力分析概述 1,1 图a、b所示，Oxy与Oxy分别为正交与斜交坐标系。试将同一力F分别对两坐标系进行分1122 解和投影，并比较分力与力的投影。 习题1,1图 y y2 Fy1F Fy2FF y2Fy1 ,xx F2xF2x1 Fx1Fx2 (d) (c) F,Fsoc, i，Fnis, j 解:(a)图(c):11 F,Fsin, jF,Fcos, i 分力: ， y11x11 F,Fsin,F,Fcos, 投影: ， y1x1 , 讨论:= 90?时，投影与分力的模相等;分力是矢量，投影是代数量。 (b)图(d): ,sinFFj 分力: ， F,(Fcos,,Fsin, cot,)i,y22x22sin, F,Fcos(,,,)F,Fcos, 投影: ， y2x2 讨论:?90?时，投影与分量的模不等。 , 1,2 试画出图a和b两种情形下各物体的受力图，并进行比较。 FAyF FAAx CB D 习题1,2图 FRD (a-1) FFF AyAyC FFC FAx AFBCAxC AB D 'FCF DRD F RD(a-2) (b-1) (a-3) 比较:图(a-1)与图(b-1)不同，因两者之F值大小也不同。 RD recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 1,3 试画出图示各物体的受力图。 习题1,3图 FDCFD C AFAxAB B FAFBF B FAy (a-1) 或(a-2) B FCDFBB CCF DFB FBW FAxFAx A A FAyF AFAy (c-1) (b-1) 或(b-2) FF B A,F,AxBA CBFCA FDDAy F D或(d-2) (d-1) FDCF CC DF C A ABBFAF BFAFF AB F A (e-2) (e-1) (eF-3) B sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 2 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material F' FO1FOA1A AOF1OxFOOOx FOyFOy FAA W W (f-2) (f-3) (f-1) 1,4 图a所示为三角架结构。荷载F作用在铰B上。杆AB不计自重，杆BC自重为W。试画出b、1c、d所示的隔离体的受力图，并加以讨论。 习题1,4图 FF FBA1BxBAF'2B1 BB (b-1) F'BxC2 FDyFBy2 F'By2 WFDDxF1 (b-2) (b-3) F'FBxA 2BAB F'F'BxCBy22 F DDxF1W F'By F'2B2B (c-2) (c-1) F1 DFDx W FFBAF1BA Dy (d-1) (d-2) 1,5 图示刚性构件ABC由销钉A和拉杆D支撑，在构件C点作用有一水平力F。试问如果将力F沿其作用线移至D或E(如图示)，是否会改为销钉A的受力状况。 解:由受力图1,5a，1,5b和1,5c分析可知，F从C移至E，A端受力不变，这是因为力F在自身刚体ABC上滑移;而F从C移至D，则A端受力改变，因为HG与ABC为不同的刚体。 FA AG DF C FH H 习题1,5图 (a) mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clearecovery and tentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such a — 3 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material FFA AFGGA DA FD ECCF,HHF F HHH FH (b) (c) 1,6 试画出图示连续梁中的AC和CD梁的受力图。 FF习题1,6图 12'FFCCxAxA DFCxFDxCB FFCyFBF'DyAy FCy (b) (a) 1,7 画出下列每个标注字符的物体的受力图，各题的整体受力图未画重力的物体的自重均不计，所有接触面均为光滑面接触。 FFTE FC FEBBEF CxCCC FCy'' FFEC B (a-2) FWE 'E(b-1) FFBD (b-2) D 'FFBAx D'AFFCAxACx FFBDAy (a-3) (a-1) ' FFCyAy (b-3) 'FCF'C FBC C 'F'EF FDFEDDD EFEAxA B FAyFB (c) sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 4 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 1-7d C PP11 AAPP 22BB FN4 ,F NFFPAN1N11FABN2P 1FPN2P2B2FN FN3FN3 1-7e F2F 1 C AB F2 F1FDECx ACB FFREFCyRD FByF2F1 ,FFDBxBECxAFCB Bx FF,FREFCy RDBy F1-7f AyFRD FAxDADA F,FEyCy FExE,FFGCxExCGEC,F CxECF,CyFFEyF FByB ,FBxFBxB B,FBy 1-7g F AyDE,FFDET2T2 FFAxCCxFFDxExADEC FT1FFFT1FFFByHByT3CyDyF AEyCFBxH FBxPBB,,FFFEyAyDy P,FCBCxFAx,FEx ,EFADDx,FCy mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 5 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 1-7h ,FByqq FAxB,F BxFAABBBx FFAyBy CFCxPPC FCy 1-7i FF22DD,FFRBFFD211 FCB1CFFCCxCxBBF RBBFFCyCy FFAxAxAAA FFAyAy 1-7j FBDG AHCE ,F,FFRGRDB GBDDG FRBFFFC ERBRDRGFHARCFF RAREFRH sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compaceviaçamen vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'emplnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Ieració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera ol'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.de laportuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 6 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第2章 力系的等效与简化 2,1试求图示中力F对O点的矩。 习题2-1图 解:(a) M(F),M(F)，M(F),M(F),Fsin,,lOOxOyOy (b) M(F),Fsin,,lO (c) M(F),M(F)，M(F),,Fcos,Fl,sin,(l，l)OOxOy213 22M(F),M(F)，M(F),M(F),Fsin,l，l (d) OOxOyOy12 2,2 图示正方体的边长a =0.5m，其上作用的力F=100N，求力F对O点的矩及对x轴的力矩。 F M(F),r，F,a(i，k)，(,i，j)解: OA2 Fa,(,i,j，k)A 2rA ,35.36(,i,j，k)kN,m M(F),,35.36kN,m(a) x习题2-2图 2,3 曲拐手柄如图所示，已知作用于手柄上的力F=100N，AB=100mm，BC=400mm，CD=200mm，, = 30?。试求力F对x、y、z轴之矩。 解: 2 M(F),r，F,(0.3j,0.4k)，F(sin,i,sin,cos,j,cos,k)AD22 ,,100cos,(0.3，0.4sin,)i,40sin,j,30sin,k 力F对x、y、z轴之矩为: (M),F,100cos,(0.3，0.4sin),,,503(0.3，0.2),,43.3N,mx2 M(F),,40sin,,,10N,my 2 M(F),,30sin,,,7.5N,m习题2-3图 z 2—4 正三棱柱的底面为等腰三角形，已知OA=OB=a，在平面ABED内沿对角线AE有一个力F， 图中θ =30?，试求此力对各坐标轴之矩。 mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 7 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 8 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第3章 静力学平衡问题 3,1 图示两种正方形结构所受荷载F均已知。试求其中1，2，3各杆受力。 2Fcos45:,F,0解:图(a): 3 2 (拉) F,F32 F = F(拉) 13 F,2Fcos45:,0 23 F = F(受压) 2 ,F,F,0 图(b): 33 F = 0 1习题3,1图 F = F(受拉) 2 FF FF3F3 D3D3F3A, 45A 1F F22 F1 F,F,F 33 1 (b-2) (a-1) (a-2) (b-1) 3,2 图示为一绳索拔桩装置。绳索的E、C两点拴在架子上，点B与拴在桩A上的绳索AB连接，在点D加一铅垂向下的力F，AB可视为铅垂，DB可视为水平。已知,= 0.1rad.，力F = 800N。试求绳AB中产生的拔桩力(当,,,很小时，tan?)。 FFCB ED D ,,FDB ,FDB B F F (a) AB 习题3,2图 (b) F解:Fsin,,F,F,0F， , EDyEDsin, F,F,0Fcos,,F F,,10F， xEDDBDB,tan 由图(a)计算结果，可推出图(b)中:F = 10F = 100F = 80 kN。 ABDB 3,3 起重机由固定塔AC与活动桁架BC组成，绞车D和E分别控制桁架BC和重物W的运动。桁架BC用铰链连接于点C，并由钢索AB维持其平衡。重物W = 40kN悬挂在链索上，链索绕过点B的滑轮，并沿直线BC引向绞盘。长度AC = BC，不计桁架重量和滑轮摩擦。试用角=?ACB的函数来 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示钢索,AB的张力F以及桁架上沿直线BC的压力F。 ABBC yF,AB 2 , FBC, xW W (a) 习题3,3图 mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleanoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health o3.2 niued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specs the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 1 — — 9 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第2篇 工程运动学基础 第4章 运动分析基础 4,1 小环A套在光滑的钢丝圈上运动，钢丝圈半径为R(如图所示)。已知小环的初 ,速度为v，并且在运动过程中小环的速度和加速度成定角θ，且 0 , θ ,，试确定小环 02A的运动规律。 22vv 解:， aaa,sin,,,v nRsin,R2vtdvvdv1 ， ,,dta,,acos,t2,,θ v00A ,RtanvdtRtan,a ,vRtands0 v,,dtRtan,,vtO 0 st,vRtan0 ,dsdtR ,,00,,Rtanvt0 ,Rtan习题4,1图 ,s,RtanlnRtan,,vt0 4,2 已知运动方程如下，试画出轨迹曲线、不同瞬时点的v、a图像，说明运动性质。 y2,x,3sintx,4t,2t,, 1(， 2( ,,32y,2cos2t,,y,3t,1.5t,,5 解:1(由已知得 3x = 4y (1) x，x,4,4t,O4 v,5,5t,，y,3,3t, ,,55，，x,,4,y(a) a,,5,，，y,,3,2 为匀减速直线运动，轨迹如图(a)，其v、a图像从略。 1,5x 2(由已知，得 O12,35,1x1y arcsin,arccos ,,2,,,5555322 42 化简得轨迹方程: (2) y,2,x(b) 9 轨迹如图(b)，其v、a图像从略。 习题4,2图 4,3 点作圆周运动，孤坐标的原点在O点，顺钟向为孤坐标的正方向，运动方程为 12，式中s以厘米计，t以秒计。轨迹图形和直角坐标的关系如右图所示。当点第一,,sRt2 次到达y坐标值最大的位置时，求点的加速度在x和y轴上的 y 投影。 2M v22，解:，， v,s,,Rt，a,v,,Ra,,,RttnRR 1,22 y坐标值最大的位置时:， ？t,1？s,Rt,R,22x O 2 ， a,a,,Ra,,,Rxty 习题4,3图 sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 10 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第5章 点的复合运动分析 5,1 曲柄OA在图示瞬时以ω绕轴O转动，并带动直角曲杆OBC在图示平面内运01动。若d为已知，试求曲杆OBC的角速度。 1A vr B 解:1、运动分析:动点:A，动系:曲杆OBC，牵连1C ve 运动:定轴转动，相对运动:直线，绝对运动:圆周运动。 va 2、速度分析: v,v，vaer,0 ; v,2l,v,v,2l,a0ae0, O O1 ve (顺时针) ,,,,OBC01l l OA1 习题5-1图 R,10cmBC 5,2 图示曲柄滑杆机构中、滑杆上有圆弧滑道，其半径，圆心O在导杆1 OA,10cmω,4πrad/s上。曲柄长，以匀角速绕O轴转动。当机构在图示位置时，曲柄与 ,水平线交角。求此时滑杆CB的速度。 φ,30va vr 解:1、运动分析:动点:A，动系:BC，牵连A 运动:平移，相对运动:圆周运动，绝对运动:圆ve ,周运动。 ,C B O2、速度分析: v,v，vaer cm/s; v,OA,,,40,R va1oA1 cm/s v,v,v,40,,126BCea 习题5-2图 vA 5,3 图示刨床的加速机构由两平行轴O和O、曲柄OA和滑道摇杆OB组成。曲柄11OA的末端与滑块铰接，滑块可沿摇杆OB上的滑道滑动。已知曲柄OA长r并以等角速度,1 转动，两轴间的距离是OO = d。试求滑块滑道中的相对运动方程，以及摇杆的转动方程。 1 解:分析几何关系:A点坐标 xcos,,rcos,t，d (1) 1 xsin,,rsin,t (2) 1 (1)、(2)两式求平方，相加，再开方，得: 1(相对运动方程 22222,,,x,rcost，2rdcost，d，rsint1 22,d，r，2rdcos,t 将(1)、(2)式相除，得: 2(摇杆转动方程: ,rsint, tan, rcos,t，d ,rsint ,,arctanrcos,t，d习题5-3图 5,4 曲柄摇杆机构如图所示。已知:曲柄OA以匀角速度ω绕轴O转动，OA = R，1111OO =b ，OO = L。试求当OA水平位置时，杆BC的速度。 1221 O2解:1、A点:动点:A，动系:杆OA，牵连运动:定2vBr L 轴转动，相对运动:直线，绝对运动:圆周运动。 vBa 2B RR,C 1 ; v,R,v,v,Aa1AeAaO 2222vBe b，Rb，Rω 1A 2、B点:动点:B，动系:杆OA，牵连运动:定轴2O 1vAr v转动，相对运动:直线，绝对运动:直线。 Ae vAa 习题5-4图 mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 1 — — 11 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 12 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第6章 刚体的平面运动分析 6,1 图示半径为r的齿轮由曲柄OA带动，沿半径为R的固定齿轮滚动。曲柄OA以等角加速度绕,轴O转动，当运动开始时，角速度,= 0，转角,= 0。试求动齿轮以圆心A为基点的平面运动方程。 00 x,(R，r)cos, 解: (1) A y,(R，r)sin, (2) A ,, 为常数，当t = 0时，== 0 ,00 12t,,, (3) 2 起始位置，P与P重合，即起始位置AP水0 平，记，则AP从起始水平位置至图示，OAP,, AP位置转过 ,,,，, A ,,习题6-1图 因动齿轮纯滚，故有，即 CP,CP0 R,,r, RRr， ， (4) ,,,,,,Arr 将(3)代入(1)、(2)、(4)得动齿轮以A为基点的平面运动方程为: ,,2x,(R，r)costA,2,,,2 y,(R，r)sint,A2,,1R，r2,,,tA,2r, 6,2 杆AB斜靠于高为h的台阶角C处，一端A以匀速v沿水平向右运动，如图所示。试以杆与铅0 垂线的夹角, 表示杆的角速度。 解:杆AB作平面运动，点C的B B P 速度v沿杆AB如图所示。作速度C C v和v的垂线交于点P，点P即为C0C ,AB 杆AB的速度瞬心。则角速度杆ABv C, , h h 为 2A v A v o0vvvcos,cos,000,,, ,ABAPACh习题6,2图 习题6,2解图 6,3 图示拖车的车轮A与垫滚B的半径均为r。试问当拖车以速度v前进时，轮A与垫滚B的角速,,度与有什么关系,设轮A和垫滚B与地面之间以及垫滚B与拖车之间无滑动。 AB vvA,,, 解: ARR = v vBvvB = v vA,,, , B, BA2R2R ,,2,AB习题6-3解图 习题6-3图 6,4 直径为mm的滚子在水平面上作纯滚动，杆BC一端与滚子铰接，另一端与滑块C铰接。603 设杆BC在水平位置时，滚子的角速度,,12 rad/s，,,30:，,,60:，BC,270mm。试求该瞬时杆BC的角速度和点C的速度。 mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 13 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 14 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第3篇 工程动力学基础 第7章 质点动力学 7-1 图示滑水运动员刚接触跳台斜面时，具有平行于斜面方向的速度40.2km/h，忽略摩擦，并假设他一经接触跳台后，牵引绳就不再对运动员有作用力。试求滑水运动员从飞离斜面到再落水时的水平长度。 解:接触跳台时 340.2，10 m/s v,,11.1703600 设运动员在斜面上无机械能损失 习题7-1图 22 m/s v,v,2gh,11.17,2，9.8，2.44,8.76800 v,vcos,,8.141 m/s, m/s v,vsin,,3.256xy 2vy m h,,0.541v 12g y vyt,,0.332 s 1 vg0θ O 12 (h，h),gt 102 2习题7-1解图 2(h，h)2(0.541，2.44)10t,,,0.780 s 2g9.8 t,t，t,1.112 s 12 x,vt,8.141，1.112,9.05m x 7-2 图示消防人员为了扑灭高21m仓库屋顶平台上的火灾，把水龙头置于离仓库墙基 ,,2515m、距地面高1m处，如图所示。水柱的初速度m/s，若欲使水柱正好能越过屋顶边0 缘到达屋顶平台，且不计空气阻力，试问水龙头的仰角应为多少,水柱射到屋顶平台上的, 水平距离为多少, s 15t 解:(1) (1) ,1vcos,0 12vsin,,t,gt,20 (2) 0112 (1)代入(2)，得 2500cos,,375sin,cos,，44.1,0 22 500cos,，44.1,375cos,1,cos,习题7-2图 42390625cos,,96525cos,，1944.81,0 2cos,,0.22497 , ,,61.685: vsin,0t (2) ,(到最高点所经过时间) 2g S,(vcos,,t,15)，2,23.26 m 02 7-3 图示三角形物块置于光滑水平面上，并以水平等加速度a向右运动。另一物块置 ff于其斜面上，斜面的倾角为θ。设物块与斜面间的静摩擦因数为，且tanθ>，开始时ss物块在斜面上静止，如果保持物块在斜面上不滑动，加速度a的最大值和最小值应为多少, aFs a FFsN θmgFmg N mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t习题7-3图 (a) — 1 — — 15 — (b) recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 16 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第8章 动量定理及其应用 8,1 计算下列图示情况下系统的动量。 (1) 已知OA,AB,l，,,45?，,为常量，均质连杆AB的质量为m，而曲柄OA和滑块B的质量不计(图a)。 (2) 质量均为m的均质细杆AB、BC和均质圆盘CD用铰链联结在一起并支承如图。已知AB = BC = CD = 2R，图示瞬时A、B、C处于同一水平直线位置，而CD铅直，AB杆以角速度ω转动(图b)。 (3) 图示小球M质量为m，固结在长为l、质量为m的均质细杆OM上，杆的一12 A C B A O B ω ω 60? v M , , O D (c) (b) (a) 习题8-1图 端O铰接在不计质量且以速度v运动的小车上，杆OM以角速度ω绕O轴转动(图c)。 5解:(1)p = mv=，方向同(解图(a)); vml,C C2 (2)p = mv+ mv = mv = 2Rm，方向同，垂直AC(解图(b)); ,vC1 C2BB ll (3) p,[(,,cos60:)，(,,cos60:)]i，(,sin60:，,sin60:)jmvlmvmlm121222 22m，mm，m1212[(),]i3,j,m，mv,l，l(解图(c))。 1244 O1 y ω C CCB 1 2 ω O A vr v 60?C vv v C2M A v C1C B v B , D x , O (b) (c) (a) 习题8-1解图 v B B 8,2 图示机构中，已知均质杆AB质量为m，长为 ω l;均质杆BC质量为4m，长为2l。图示瞬时AB杆 的角速度为ω，求此时系统的动量。 O A 45? 45? 解:杆BC瞬时平移，其速度为v B ,，pppABBC C 9l,，4,m,ml,ml, 22习题8,2解图 方向同v。 B mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 17 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第9章 动量矩定理及其应用 9,1 计算下列情形下系统的动量矩。 1. 圆盘以ω的角速度绕O轴转动，质量为m的小球M可沿圆盘的径向凹槽运动，图示瞬时小球以相对于圆盘的速度v运动到OM = s处(图a);求小球对O点的动量矩。 r 2. 图示质量为m的偏心轮在水平面上作平面运动。轮心为A，质心为C，且AC = e;轮子半径为R，对轮心A的转动惯量为J;C、A、B三点在同一铅垂线上(图b)。(1)当轮子只滚不滑A 时，若v已知，求轮子的动量和对B点的动量矩;(2)当轮子又滚又滑时，若v、ω已知，求轮AA子的动量和对B点的动量矩。 v2rω 解:1、(逆) L,m,sOC ω vA M O 2、(1) A R eB p,mv,m(v，,e),mv(1，)(逆) CAAR2(b) (a) vRe(，) 2A LmvReJmvJme,(，)，,,，(,)BCCAARR习题9,1图 (2) p,mv,m(v，,e)CA2 L,mv(R，e)，J,,m(v，,e)(R，e)，(J,me),,m(R，e)v，(J，meR),BCCAAAA 9,2 图示系统中，已知鼓轮以ω的角速度绕O轴转动， 其大、小半径分别为R、r，对O轴的转动惯量为J;物块O A、B的质量分别为m和m;试求系统对O轴的动量矩。 ABω O r 解: R 22B L,(J，mR，mr),OOAB A θ 习题9,2图 9,3 图示匀质细杆OA和EC的质量分别为50kg和100kg，并在点A焊成一体。若此结构在图示位置由静止状态释放，计算刚释放时，杆的角加速度及铰链O处的约束力。不计铰链摩擦。 解:令m = m= 50 kg，则m= 2m OA EC 质心D位置:(设l = 1 m) F55mgOyd,OD,l,m 66D2mgFOx刚体作定轴转动，初瞬时ω=0 d,l J,,mg,，2mg,l O2 112222 J,ml，,2m,(2l)，2ml,3mlO 312 习题20-3解图 523ml,,mgl习题20-3图 即 2 52 ,,g,8.17rad/s6l 525t a,l,,,gD636 由质心运动定理: t 3m,a,3mg,FDOy 2511N(?) F,3mg,3mg,mg,449Oy3612 nF,0，， ,,0a,0OxD sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 18 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 19 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第10章 动能定理及其应用 10,1 计算图示各系统的动能: 1(质量为m，半径为r的均质圆盘在其自身平面内作平面运动。在图示位置时，若已知圆盘上A、B两点的速度方向如图示，B点的速度为v，, = 45º(图a)。 B 2(图示质量为m的均质杆OA，一端铰接在质量为m的均质圆盘中心，另一端放在水平面上，12 圆盘在地面上作纯滚动，圆心速度为v(图b)。 3(质量为m的均质细圆环半径为R，其上固结一个质量也为m的质点A。细圆环在水平面上作纯滚动，图示瞬时角速度为,(图c)。 A , , O A vv AB C A v B (a) (b) (c) 习题10,1图 解: 111113vv222222BB1(()()T,mv，J,,m，,mr,mv CCCB222222216r 1111v13222222T,mv，mv，,mr(),mv，mv2( 122122222r24 1112222222T,mR,，mR,，m(2R,),2mR,3( 222 WW10,2 图示滑块A重力为，可在滑道内滑动，与滑块A用铰链连接的是重力为、长为l的匀质12 v,杆AB。现已知道滑块沿滑道的速度为，杆AB的角速度为。当杆与铅垂线的夹角为时，试求系统,11 的动能。 v1A解:图(a) T,T，T ABvrWWv111C22212,v，(v，J,) ,,CC12g2g2Cv1WWl22212,,v，[()，v，111,2g2g21B lllW222，,,v,，,l,,2cos]1112212g习题10,2图 11222(a) ,[(W，W)v，Wl,，Wl,vcos,] 121212112g3 F10,3 重力为、半径为的齿轮II与半径为的固定内齿轮I相啮合。齿轮II通过匀质的曲rR,3rP ,柄OC带动而运动。曲柄的重力为F，角速度为，齿轮可视为匀质圆盘。试求行星齿轮机构的动能。 Q 解: vCT,T，T OCC,CC11112222,J,，mv，(mr), ,OOCCCCC2222OFFF11112r,Q22222PP,[(2r)]，(2r)，r() ,, 23g2g4gr习题10,3图 22r,(a) ,(2F，9F) QP3g sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 20 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 21 — recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material 第12章 虚位移原理及其应用 12,1 图示结构由8根无重杆铰接成三个相同的菱形。试求平衡时，主动力F与F的大小关系。 12 O 解:应用解析法，如图(a)，设OD = l: O x , FD 1 1F; y,2lsin,y,6lsin,ABA ; δy,2lcos,δ,δy,6lcos,δ,AB 应用虚位移原理: F,δy,F,δy,02B1AB F 2F 2y ; 6F,2F,0F,3F2112习题12-1图 (a) 12,2图示的平面机构中，D点作用一水平力F，求保持机构平衡时主动力F之值。已知:AC = BC 12= EC = DE = FC = DF = l。 y F 2解:应用解析法，如图所示: E ; y,lcos,x,3lsin,ADA C FD 1O ; δy,,lsin,δ,δx,3lcos,δ,ADx , B 应用虚位移原理: ,F,δy,F,δx,02A1DG Fsin,,3Fcos,,0;F,3Fcot, 2121习题12-2解图 12,3 图示楔形机构处于平衡状态，尖劈角为θ和β，不计楔块自重与摩擦。求竖向力F与F的大12小关系。 F FF 2F211,r 2 ,r,r 12,r ,r aa β β θ θ ,r 1 (b) (a) 习题12,3 图 F,δr，F,δr,0解:如图(a)，应用虚位移原理: 1122 ,δδtanrr12δr,δrδ,r,如图(b):; 21a,tantan,tan, ,,tantanF,δr,F,δr,0F,F,; 112112,tan,tan 12,4 图示摇杆机构位于水平面上，已知OO = OA。机构上受到力偶矩M和M的作用。机构在可112能的任意角度θ下处于平衡时，求M和M之间的关系。 12 sprés el manteniment, motlle despullant, en embolcall de formigó film plàstic conservació o conservació d'aigua, ruixar aiguaV), dements, es processen de manera oportuna. (D), per arribar a un determinat valor de plantilles de desmuntatge, es pot treure. (rmigó abocar, designat personal comprovar el suport, plantilla, com sòlids, si hi ha qualsevol afluixar, deformació, desplaçael fo tant està marcada per aturar l'enfonsament de formigó, ja no emet bombolles, pis a la superfície, el xarop de Pan; (6) duranttar plantilla Tacte vibrador; (5) per a cada part que vibra, el formigó ha de ser vibració compactant fins ara, s'està compacevi vegades i el costat morir espaiat ha de tenir 50 ~ 100mm de distància, Cada vibracions vora acabat fet vibrador lentament per bo, inserir profunditat General per 50 ~ 100mm; espaiat mòbil no ha en radi de paper de dispositiu de vibració de 1,5 vegades mbinatnen formigó Insereix dins, i per connectar a Qian una capa de formigó, garantia nou abocada de formigó i ara aboca formigó coibradors inserir formigó Endoll ràpid seguit lent tirat tenir principis, així com no a produir buida; vibradors a vertical teper, vnsereix tipus vibradors vibració libras, lliura de vibració en punts d'abocament i nou abocament de formigó superfície Shang t; (2) transport formigó impulsat elevació cub transport (3) formigó abocant de dalt a l'ordre de fons. (4) utilitzar Iaçamenormigó: (1) abans d'abocar formigó, primer verifica en el suport, plantilla, proves per l'enginyer qualificat abans de l'empleració necessària. (3), la sortida de tub sota les cordes, alçada de pila concretes no hauria de ser més de 1m. D Abocament fgranular material should arrange storage, l'Inclineu més de 10m s'ha d'establir els mecanismes de la desacceleració de la grua, està estrictament prohibit en el passat,l'op ser una grua professional titulars de la llicència de conducció, conducció beguda està estrictament prohibit. Dins el radi de mes d'alts, però no hi treballin en alçada. Beure està estrictament prohibit per a treballs aeris. 7, operadors de grua ha deímptoeguretat fiable. 6, es dediquen a treballar en alçada o un examen mèdic a qualsevol moment sobre una base regular, no hi ha sMaterials necessaris per preparar amb antelació i eines a la bossa d'eina 5, suspeses en alçada amb mesures de protecció de s casc.portuna. 4, alta personal no serà portar sabatilles o sabates de sola dura i vostè ha de subjectar el seu cinturó, portar un plataforma. I instal•lació de xarxes de seguretat. 3, materials i eines a la plataforma per un tidy, runa netejat de manera o de la egula les activitats dels sindicats, els treballadors migrants en la producció; 2, la part exterior d'operació de les baranesblegats mesures de seguretat de CAP construcció: 1, processos de formulació, normes de seguretat de feina i anunci avís que rs, docuració de formigó és generalment 7D, reg cada dia per mantenir el nombre de la superfície de concret a l'estat mullat. Pilar 22 recovery and treatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such as the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment 3.2 night arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for noise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnel, special operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, blue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination results issued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living environment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health of residents and workers near the construction area, promoting the development of Socialist construction, environmental protection must be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the second comprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptly identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4.2 monthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, evaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civilized. During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification, implementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up rubbish, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designated location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction site entrances and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city clean. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layout, arrangement of temporary construction road, grass-roots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 construction when the protection of urban public facilities have been built, reasonable arrangements within the lot of construction organization, construction on the normal life of the residents and to minimize the impact of leisure. 4.3.5 easy cloud of fine material mpact of leisure. 4.3.5 easy cloud of fine materialangements within the lot of construction organization, construction on the normal life of the residents and to minimize the iuction when the protection of urban public facilities have been built, reasonable arrroots energising, pavement paving the way Coke button, fine aggregate, and water at all times, reduce road dust. 4.3.4 constr-ngement of temporary construction road, grass, arran. 4.3.3 construction road construction site before construction ready plans and setting, make full use of red line layoutnces and set the car wash, and arrange for someone to clean up tire, not wheel dirt into other roads, affecting the city cleaentra ted location, no feel free to pile up, cleaned up and when adequate water to reduce dust. 4.3.2 earthmoving construction sitesh, used motor vehicle shipments, no free air dispersion caused by dust. Construction of refuse to be cleaned up to a designarubbiimplementation and review review the duties specified. 4.3 4.3.1 pollution prevention measures in construction site clean up . During the inspection, do not meet the environmental requirements of the "three" (people, time, and measures) modification,ilizedevaluation criteria for inspection score, fill in the score sheet as the basis for site evaluation of safe production and civthly by the Department of projects to be checked, according to the environmental protection in construction site inspection, .2 mony identified and corrective action, made by construction workers on the day of the construction of the log on post records. 4mprehensive self test, where a violation of the provisions of the environment protection in construction site must be promptlond coust be the construction site. 4.1 daily by the Deputy Project Manager, construction, safety officer for the afternoon the secdents and workers near the construction area, promoting the development of Socialist construction, environmental protection mf resiironment and the ecological environment, prevent construction and operation of pollution and nuisance, safeguard the health oued on a regular basis. 4, construction site environmental protection measures in order to protect and improve the living envts issue and yellow species. 3.4 site construction and company's comprehensive evaluation, check scores published examination resulial operations personnel listing jobs, site operators, leaders, managers, operators, wearing a helmet is divided into red, bl, specnoise control to prevent noise pollution of the surrounding environment. 3.3 construction managers and construction personnelght arrangements of noise emitted by construction equipment, mixer noise emitted by machinery and equipment next to foam for 3.2 nis the sewage outflow, vehicles stained with dirt, construction waste someone to clean up, to avoid polluting the environment reatment in a timely manner. At the time of construction, should be taken to prevent dust and mud spill leak, measures such arecovery and t — 23 —