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深基坑专项方案深基坑专项方案 漳浦县赤土至朝阳隧道道路(万安大道)工程 路堑开挖专项施工方案 编 制: 审 核: 批 准: 中国十七冶集团福建省漳浦县万安生态产业园 建设工程项目经理部 二0一四年十二月一日 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conserva...

深基坑专项方案
深基坑专项方案 漳浦县赤土至朝阳隧道道路(万安大道) 工程 路基工程安全技术交底工程项目施工成本控制工程量增项单年度零星工程技术标正投影法基本原理 路堑开挖专项施工方案 编 制: 审 核: 批 准: 中国十七冶集团福建省漳浦县万安生态产业园 建设工程项目经理部 二0一四年十二月一日 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 目录 一、工程概况 .................................................................................. 3 二、编制依据 .................................................................................. 6 三、施工工艺 .................................................................................. 6 四、质量保证措施 ....................................................................... 13 五、安全保证措施 ....................................................................... 15 六、文明施工和环境保护措施 .................................................. 16 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 一、工程概况 1.1工程概况 1.1.1工程概述 项目名称:福建省漳浦县万安生态产业园建设工程 项目地点: 福建省漳浦县万安农场 工程工期:2013年11月28日至2014年11月28日 业主单位:漳浦万安经济发展有限公司 项目施工单位:中国十七冶集团有限公司 设计单位:唐山市交通勘察设计院有限公司 监理单位:四川省城市建设工程监理有限公司 1.1.2 工程地理位置及工程概况 K3+380,K+480段特殊路基土质较差,强度低,易引起特殊路基不均匀沉降。该段特殊路基设计填土平均高1.23米,地基表层为耕植土及厚度为0.4,6.9米杂填土,该段路基处理方法为:道路红线范围内挖除表层土6.5m,回填0.5m块石+4.5m石渣+砂性土回填至路基设计标高。开挖深度为6.5m。 由于路基开挖深度超过5m,为了保证基坑施工的安全顺利进行,需对本段的基坑采取必要的支护措施。 1.1.3 施工目标 工期目标:45天内完成基坑土方开挖、回填工程。 质量目标:确保工程质量合格、达到设计图纸、技术 规范 编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载 及施工验收规范 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 。 安全目标:施工过程中无伤亡事故。基坑支护体系安全可靠,后续工程顺利施工。 环境目标:污水、噪声、粉尘、固体废弃物符合排放标准,无相关投诉与举报。 文明施工:各专业应达到工完场清,不影响文明工地的目标实现。 1.1.4 工程主要特点、技术难点 1.1.4.1通过具体分析,在本段工程中需要解决主要的技术难点和要点如下: 1)由于本工程涉及到较多的施工工序:如土方挖运、坡面支护、降水措施等,且各工序的工作量较大;如何能够做到科学、合理地组织各工序的施工进程,使各工序能够正常、连续的进行(尤其是基坑土方挖运),将各工序的互相影响降至最低,是保证施工质量和施工节点完成的关键。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 2)本段地下水位较高,平均地下水位深度在1.1m左右,采取有效的降水措施,是保证本段路基施工质量的关键。 1.1.4.2 应对措施及解决方案 根据上述的技术难点和要点,我部通过多次的专题技术研究的方案讨论,最终确定了如下的应对措施和解决方案: 1)为了能够真正做到科学、合理的施工组织管理,确保在较短的施工周期内高质量地完成施工任务,针对本路段工程的施工工序多、工程量规模大、施工周期短的特点,科学地规划了本路段工程各施工工序的总体安排和部署。 2)本路段施工必须考虑基坑排水问题,我部拟采用以下措施: ?拦截上游河道; ?基坑两侧距坡口5m处设置截水沟,拦截地表水; ?基坑内设集水坑和排水沟,使用水泵抽水。 1.2.施工平面布置 处理平面示意图: professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 回填砂性土区 回填砂砾碎石区 填挖隔空区施 工 道路红线第二层开挖区便 道路红线道 第一层开挖及 装土转运区 基坑处理断面示意图: 安全标识 红线宽度 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 1.2.1 本次工程需要完成的工作内容 根据本工程土方、降水、围护工程的施工要求,进行如下施工内容: 1)土方开挖; 2)降水措施; 3)围护。 二、编制依据 2.1 漳浦县赤土至朝阳隧道(万安大道)工程施工设计图 2.2 《公路路基施工技术规范》(JTG F10-2006) 2.3 《公路工程质量评定标准》(JTG F80/1-2012) 2.4 《城市测量规范》(CJJ8-2011) 2.5 漳浦县赤土至朝阳隧道道路(万安大道)工程岩土工程勘察报告 2.6 《岩土工程勘察规范》(GB50021-2009) 三、施工工艺 3.1降水、止水和排水 主要分为两部分: 第一部分为路基放坡开挖及护坡措施,主要是保证整体和局部稳定,同时考虑开挖和出土施工方便; 第二部分为降水、止水和排水措施,主要目的是降低坑外水土压力和保证开挖、回填施工顺利进行。 具体做法如下: 3.1.1路堑放坡开挖及护坡措施 土层中基坑放坡分为二级,每级控制在4m以内。 土层中放坡坡度依据《漳浦县赤土至朝阳隧道道路(万安大道)工程岩土工程勘察报告》给出的各层土体基坑开挖边坡建议允许坡度值,采用放坡系数为1:1.5,分级台阶宽度3m,。 为保持坡面局部稳定和避免雨季雨水冲刷,坡面采用挂网喷射混凝土护坡,具体做法为:面层采用挂网C20喷射混凝土,厚度为100mm,配合比(重量比)为水泥:砂:碎石=1:2:2.5,配双向钢筋网片φ6.5@200×200。喷射混凝土采用干professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 喷法,分二层施工。喷射第一层厚度30~50mm混凝土完成后绑扎钢筋网片,然后喷射第二层混凝土至设计厚度。钢筋网片钢筋的搭接长度为300mm。 3.1.2降水、止水和排水措施 由于路堑开挖深度大,水量丰富,且采用“边挖边填”的施工方式,降水采用多级井点降水效果不佳且费用大,集水坑降水是更为合适的降水方法。在降水和止水的同时,对坑壁渗水、地表流水和坑底积水应采取必要的疏排措施。基坑降水、止水和排水措施具体做法如下: 降水:在基础轮廓0.3m以外设置临时排水沟及集水井,根据地下水量、基坑平面形状及水泵能力,排水沟断面尺寸一般为0.3m*0.5m,其坡度0.5%;集水坑宜设于两边,并每隔30m设置一个;集水坑直径(宽度)1m,其深度为1.2m。在基础轮廓0.3m以外设置临时排水沟及集水井,根据地下水量、基坑平面形状及水泵能力,排水沟断面尺寸一般为0.3m*0.5m,其坡度0.5%;集水坑宜设于两边,并每隔20m设置一个;集水坑直径(宽度)1m,其深度为1.2m。 排水:外排水沟连接下游河道,配置2台6寸水泵把集水坑内的水排入外排水沟 ,排入下游河道。 3.2基坑土方开挖、回填 施工组织机构 3.2.1 我单位已组建漳浦县万安生态产业园建设工程项目经理部,设项目经理、项目总工各一人,副经理3名。下设4部2室,即工程技术部、经营计划部、物资供应部、综合办公室、检试验室。 根据万安大道特殊路基工程任务情况,项目经理部安排一个施工队伍负责该段特殊路基处理工程施工,即路基一队。 3.2.2施工准备工作 3.2.2.1技术准备 1)施工图纸下发后,项目部立即组织工程技术人员熟悉图纸,认真进行图纸自审和会审,并将自审情况及时上报监理、设计和业主单位。 2)施工前完成导线点和水准控制点复测,一级临时控制点的加密布设工作,并报请监理工程师验收。导线点和水准控制点复测合格后,进行现场测量放样和原地面复测等工作。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 3)编制本段工程专项方案。 4)组织进场作业人员培训学习和施工安全技术交底工作,保证工程保质保量完成。 3.2.2.2现场准备 1)路段特殊路基处理工程采用原路基施工便道作为施工便道,以满足特殊路基工程材料和施工设备进场要求。 2)施工水电 特殊路基工程施工用水采取就近抽取沟、塘水。施工临时用电主要采用现场柴油发电机组供电。 3.2.2.3资源准备 1)拟投入的主要施工人员见下表: 序号 职务或工种 人数 序号 职务或工种 人数 1 技术主管 1 6 设备操作工 21 2 技术员 3 7 修理工 3 3 测量工 3 8 材料员 3 4 安全员 2 9 普工 6 5 电工 1 10 合计 43 2)主要机械设备准备 设备名称 规格型号 数量(台) 技术状况 拟用何处 备注 挖掘机 PC230 4 良好 特殊路基处理 振动压路机 YZ220 2 良好 特殊路基处理 装载机 ZL50 4 良好 特殊路基处理 自卸汽车 20t 15 良好 特殊路基处理 洒水车 10t 1 良好 特殊路基处理 柴油发电机 15KW 1 良好 特殊路基处理 水泵 6寸 4 良好 特殊路基处理 3.3施工方法 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 3.3.1施工工艺流程图 施工准备 ? 测量放样 ? 排水 软基开挖 ? ? 基坑检查 ? 沉降观测 分层填筑 材料供应 ? ? ? 整平、碾压成型 ? 中间交验 ? 工序交验 3.3.2主要施工方法 在软基处理前,首先对路基现有的沟渠进行清淤排水工作,并结合地形在本施工段基坑坡口外5m挖截水沟,保证在基坑开挖过程中无地表明水影响,为后续的特殊路基处理施工创造有利条件;在施工现场准备好充足的排水设备,以便对施工过程中出现的基坑渗水现象。 3.3.2.1清淤与挖掘 1)根据施工设计图纸要求,结合过程现场具体情况,若软土底部起伏较大,可设置台阶或缓坡。软土底部的开挖宽度不得小于路堤宽度和放坡宽度,并宽出路基边角不小于50cm。 2)土方开挖由专人指挥,采取分层分段开挖:第一层开挖深度为3m,第二次开挖深度3m,第一层与第二层之间保持10m宽的工作平台。并严格遵循“分层开挖、严禁超挖”及“大基坑小开挖”的原则。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 3)在开挖土方时,安排二人用全站仪和水准仪进行轴线、中心点和桩的标高测量,确保位置正确和开挖土方时不得超挖。 4)当挖至标高接近设计标高时,预留20-30cm采用人工开挖,边抄平边进行标高复测,防止超挖,并按围护结构要求及时修整边坡及放坡,防止土方坍塌,具体做法如下:第一层开挖区按1:1.5,第二层开挖区按1:1放坡,两层开挖区之间设置一个2m宽的台阶,并在路堑临边1m处设置安全防护警示带及警示牌。路基内排水沟及集水坑要随开挖深度加深,随时观测集水坑水位,及时抽水,确保路基免被水浸泡。 5)第二层开挖的土方由挖机堆放到第一层开挖区,再由第一层开挖区的挖机或装载机立即装车外运,第一层开挖区的土方直接装车外运,外运土方基本为淤泥质土,外弃土方运至弃土场,运距3km以内。 6)因该段路基周边有较多洼田、水塘等,开挖过程中应采取积水抽水法,保证在软土淤泥能清除干净且基底无水状态下进行回填施工 7)软土挖出后在现场监理见证下进行开挖基底断面测量,测量频率20m一个断面。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 基坑雨季排水平面布置示意图 道路红线 道路红线 施 工 排水沟便排水沟2%2% 道 集水井集水井 3.3.2.2碾压填筑 为缩短作业时间,当第二层开挖20m长时,经监理工程师同意合格后,方可进行分层填筑回填材料,填挖隔空区控制在3m。路基填筑每层松铺厚度控制在50cm后进行碾压,详细方法及程序如下: 1)测量放样:在该路段第一层填筑开始之前,进行放样,用中边线控制松铺厚度,用石灰线标出测试点位置,并测出各点高程,作好记录。 2)取料运输:根据现场实际情况,备足回填材料,确保工程正常施工需要。我们采用自卸车配合装载机、挖掘机进行填料运输,同时保证施工便道畅通。尽量缩短运输时间,保证挖掘机和压路机能够不间断工作。填筑路基时,应平整每层填料,且自中线向两边设置2%横向坡度,及时碾压,雨季施工时更要保证横向坡度,并在路基边角设置排水沟和集水井,及时排水,确保立即不积水。路基填筑采用水平分层法填筑施工,一次性全幅填筑,每层松铺厚度为50cm。 3)摊铺整平及碾压:严格按松铺厚度控制倒料,由于开挖深度较深,运料车不方便进出,所以运料车将直接在基坑临边将会天材料卸入坑内,再由坑内的装载机、挖掘机配合人工进行摊铺、整平。然后用振动压路机碾平。碾平时沿路线纵向,由两边到中,由低到高、先慢后快的进退式碾压。压实度直至达到设计professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 及规范要求,经监理工程师检验合格后方可进行下一道工序施工。每层压实后,在进行下一层填筑时不得对上一层进行打的扰动,不得因施工机械的运动,大面积破坏表层。边角碾压不到位之处才能用人工夯实或小型夯实机配合夯实。一直延此道工序进行施工直至施工到设计标高后方可进行下道施工。在回填后正常填筑时,现场技术人员进行精确找平,在找平过程中确保路基排水横坡控制在2%。 3.3.2.3施工进度计划 1)施工进度计划 K3+380—K3+480段特殊路基处理基坑开挖计划开工日期2014年6月5日,施工完成日期2014年7月15日。工期约为40天。 2)施工进度计划保证措施 本工程质量要求高,施工工期紧,为确保工期质量采取如下措施: ?加强工程管理,做到管理人员,技术人员目标责任到人,实施班组责任制,工人实行劳动定额制。加强动员教育工作,使广大员工树立“工期就是效益”的思想,人人献计献策做到“早准备,早抓紧”,“以丰补歉”,吃苦耐劳。以提前工期为己任。 ?确保施工人员,机械设备到位,加强设备检查维修,并在施工中根据轻重缓急,相互调度配合。 ?细化施工网络计划,并划分任务到班组,施工进度每旬检查一次,确保网络计划的完成,如发现有些工序完不成月计划,应采取紧急措施,即加班、加点或增加施工力量,并采用综合施工方法突击完成施工计划,并制定奖惩 制度 关于办公室下班关闭电源制度矿山事故隐患举报和奖励制度制度下载人事管理制度doc盘点制度下载 。 ?按照有关标准,规范及施工程序进行施工,确保施工力量,同时积极采取各种技术措施,加快施工进度。 ?做好雨季及节假日工作安排,保证工程有序进行。 ?加强同业主和监理工程师的配合,服从业主,尊重监理,认真及时完成业主和监理工程师指定的任务,取得业主和监理工程师的支持与帮助。工程质量、服务质量和工程进度等都使业主、监理满意。 ?加强队伍自身建设,文明施工,作风正派,遵纪守法,在当地政府和人民群众中树立良好的形象,做一支受当地政府和人民群众信任、欢迎的施工队伍。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 四、质量保证措施 4.1质量保证体系 4.1.1项目经理部设质量安全部,质量安全部配备质量工程师和专职质检员;现场作业设专职质检员,各专业施工队设兼职质检员。在施工过程中自上而下,按照“自检”、“复检”、“抽检”三个控制程序实施质量检查工作。 4.1.2建立健全完善的质量保证体系和质量 管理制度 档案管理制度下载食品安全管理制度下载三类维修管理制度下载财务管理制度免费下载安全设施管理制度下载 ,遵照施工技术规范的要求,运用先进的质量管理方法和管理流程,做好全过程施工质量控制。 4.1.3质量保证体系见下图: 4.2质量保证措施 4.2.1公司选派优秀项目经理及高素质管理人员实施项目管理,项目部选择具有丰富施工经验的作业队伍负责现场施工任务。 4.2.2成立各级质量管理小组,配备质量工程师和质检员,制定明确的项目质量管理目标,建立健全质量管理制度,落实岗位责任制,强化施工过程质量控制,确保分项过程合格率100%。 4.2.3坚决杜绝违章违规、野蛮施工现象,加强质量管理的程序化、制度化和标准化的工作,努力做的工程质量“全工程、全方位”监控,定期进行检查考评,professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 奖优罚劣。对工程质量达不到合格要求的,坚决返工重做。 4.2.4服从政府,业主和监理工程师对工程质量进行的监督、检查和指导,切实提高工程施工质量。 4.2.5贯彻“质量第一”思想,加强全员质量管理理念,树立建设福建万安项目的荣誉感、责任感和使命感,在评先进、评模范和劳动竞赛评比等活动中,把质量创优作为重要考核内容,实行质量一票否决制。 4.2.6组织技术、质检人员熟悉设计文件盒技术规范,了解设计意图,明确施工重点和难点。编制科学管理、切实可行的施工技术方案,做好各级技术交底工作,使操作人员了解和领会各项技术质量要求,严格按照设计图纸、施工技术规范和施工操作程序组织施工,以保证施工操作的准确性。 4.2.7重视设计图纸自审、快审及设计交底工作,在对设计图纸审查过程中发现的问题,及时、主动上报监理、设计和业主单位,杜绝盲目施工现象。 4.2.8重视工程测量与试验工作,加强测量与试验人员的责任心,提高其专业技术水平。加强试验和测量仪器设备的使用管理,严格按相关规定的要求对仪器设备进行检定,确保其精度符合要求。加强测量与试验的复核工作,确保测试结果的正确性。妥善保管好测量和试验资料,确保测试数据的可追溯性。 4.2.9加强技术资料管理,做好收集,保管和使用等工作,对各种原始记录、检测报告、自检资料等及时请监理工程师审核签认,及时整理归档。施工过程中留取齐全的工程影像资料。 4.2.10加强质量教育和专业技术工种岗位培训工作,提高作业人员实际操作水平。 4.2.11建立和实施严格的原材料、半成品和成品的调研采购、进场验收和现场取样复检制度,严把材料质量关。 4.2.12成立以总工程师为组长的质量检查小组,定期进行质量检查考核工作,发现问题及时采取纠正预防措施,在保证工程质量稳定的基础上,持续提高工程质量。 4.2.13施工过程中,严格执行质量“三检”制和监理工程师质量管理程序。 4.2.14严格执行隐蔽工程施工全过程旁站制度,确保隐蔽工程的施工原始记录资料和影像资料真实齐全。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 4.2.15加强工程成品保护措施,防止施工设备损坏混凝土或砌体结构。 4.2.16坚持四不准: ?未经监理工程师检查签认的项目,不准进行下道工序施工。 ?施工负责人和技术负责人不在场不准施工。 ?准备工作不充分不准施工。 ?技术质量要求不明确不准施工。 五、安全保证措施 5.1安全保证体系 5.1.1成立以项目经理为组组长的安全生产领导小组,配备一名项目副经理分管安全生产管理工作。在作业队中由队长负责现场安全生产管理工作,配备一名专职安全员,小分队或班组配备一名兼职安全员。安全管理工作实行分级管理,层层落实。 5.1.2安全保证体系见下图: professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 5.2安全保证措施 5.2.1项目部建立安全生产管理领导小组,制定和实施严格的安全生产管理制度。 5.2.2树立“安全第一”的思想,落实进场人员安全教育、安全培训、安全知识技能考核工作,严格执行特种人员持证上岗制度。实行安全生产“一票否决”制。 5.2.3落实“三级”安全技术交底工作,确保危险性较大的分项工程的安全专项档案编制率、审批率和实施率100%。 5.2.4确保本项目保安全经费达到1.5%和专款专用,按照有关规定购买人身意外伤害保险。 5.2.5现场配备齐全个人安全防火用品,如安全帽、安全带、防滑鞋、绝缘手套等,并要求作业人员安全佩戴。建立安全防护用品领用台账。 5.2.6根据现场实际情况和施工要求,设置齐全的安全防护设施,如安全栏、安全网、防滑梯等,安全设施要求设置牢固稳定。基坑四周设置安全围栏。 5.2.7现场设置危险源告知牌、安全警示牌、安全标识和安全消防器材。 5.2.8对易燃易爆物品实行专人管理,现场配备足够的安全消防器材。 5.2.9加强现场施工机械和电气设备的安全管理,纺织机械伤人和触电漏电事故发生。加强深基坑安全支护措施,防止他方伤人事故发生。 5.2.10制定防火、防洪、防中毒、防高空坠落和防交通事故等安全应急救援预备案,提前准备应急救援人员、设备和物资。 5.2.11安全管理小组和安全员对现场安全生产情况进行严密监控,发生安全问题和安全隐患及时落实整改措施。 5.2.12建立安全检查考核制度,定期对现场施工安全情况经行检查考核,奖优罚劣。定期召开安全专题会议,及时研究和解决安全生产问题。 六、文明施工和环境保护措施 6.1文明施工和环境保护目标 6.1.1在工程施工期间确保文明施工,无破坏环保和损坏文物的现象发生,争创省市级文明施工工地。 6.1.2在项目部内设立文明、环保施工管理公办室,负责项目不文明、环保施工日常管理工作。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, 6.1.3根据实施性施工组织设计要求,合理进行施工现场平面布置规划。 6.1.4施工现场设置“五牌一图”,明确现场施工管理人员的职责和任务。 6.1.5施工便道、材料存放场地、混凝土和砂浆拌合场地,以及钢筋加工场地均根据实际需要进行硬化。 6.1.6现场材料分批分类存放,标识牌设置齐全。施工设备和极具停放整齐。 6.1.7现场施工人员和管理人员统一着装,挂牌上岗。现场规范作业,杜绝野蛮施工。严格劳动纪律,言行文明。 6.1.8施工现场采取有效的洒水降尘措施,防止粉尘污染。尽量避免夜间机械作业,有效减少对附近居民休息的影响。 professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater, professional engineer 1, each equipped with the professional technician 1, 2 technicians, carry out their duties. By the Resident Engineer of the conservation section chiefs and marketing grasp work and coordination. Six and lawn maintenance, planting is completed, often with a 1-2 lawn maintenance can grow into the fullness of the week. After the lawn grow, but also to carry out regular maintenance and management, to ensure the lawn landscape continues for a long time. Lawn maintenance management including: irrigation, fertilization, pruning, weeding and other links. 1, irrigate irrigation lawn fertility environments can be improved, adding water plant the lawn, is a guarantee of normal lawn. In view of the lawn during the growth season, lawn and the environment is in a State of flux, coordination of water and soil and improving the microclimate of the Center, water cannot be implemented according to a fixed pattern, following a number of technical points for reference. (1) the irrigation time growing season, according to the different periods of precipitation is extremely important and timely irrigation of different grass species. Can generally be divided into three periods: ? turned green before the rainy season. High temperatures during this period, transpiration, water requirements, and is one of the most crucial irrigation under soil water retention properties of strength and rainy periods during which Bush 2-4. ? largely ceased during the rainy season irrigation. Air humidity during this period, grass transpiration decreased soil moisture content has increased to a level sufficient to meet the needs of lawn growth. ? to yellowing of the leaf after this period before the rainy season precipitation, evaporation is greater,
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