GB 506666－2011混凝土结构工程施工规范

UDC 中华人民共和国国家标准 P GB 506666－2011 混凝土结构工程施工 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 Code for construction of concrete structures 2012 年01 月01 发布 2012 年08 月01 实施 中华人民共和国住房和城乡建设部 中华人民共和国国家质量监督检验检疫总局 联合发布 前 言 本规范是根据原建设部《关于印发<2007 年工程建设标准规范制订、修订计 划（第一批）>的通知》（建标[2007]125 号）的要求，由中国建筑科学研究院会 同有关单位编制而成。 本规范是混凝土结构工程施工的通用标准，提出了混凝土结构工程施工管理 和过程控制的基本要求。本规范在控制施工质量的同时，为贯彻执行国家技术经 济政策，反映建筑领域可持续发展理念，加强了节能、节地、节水、节材与环境 保护等要求。本规范积极采用了新技术、新工艺、新材料。 本规范在编制过程中， 总结 初级经济法重点总结下载党员个人总结TXt高中句型全总结.doc高中句型全总结.doc理论力学知识点总结pdf 了近年来我国混凝土结构工程施工的实践经验和 研究成果，借鉴了有关国际和国外先进标准，开展了多项专题研究，广泛地征求 了有关方面的意见，对具体内容进行了反复讨论、协调和修改，最后经审查定稿。 本规范共分11 章、10 个附录。主要内容有：总则，术语，基本规定，模板 工程，钢筋工程，预应力工程，混凝土制备与运输，现浇结构工程，装配式结构 工程，冬期、高温与雨期施工，环境保护等。 本规范中以黑体字标志的条文为强制性条文，必须严格执行。 请注意本标准的某些内容可能涉及专利。本标准的发布机构不应承担识别这 些专利的责任。 本规范由住房和城乡建设部负责管理和对强制性条文的解释，由中国建筑科 学研究院负责具体技术内容的解释。请各单位在本规范执行过程中，总结经验， 积累资料，随时将有关意见和建议寄送给中国建筑科学研究院《混凝土结构工程 施工规范》国家标准管理组（地址：北京市朝阳区北三环东路30 号；邮政编码： 100013；电子邮箱：concode@126.com），以便今后修订时参考。 本规范主编单位：中国建筑科学研究院 本规范参编单位：中国建筑第八工程局有限公司 上海建工集团股份有限公司 中国建筑第二工程局有限公司 中国建筑一局（集团）有限公司 中国中铁建工集团有限公司 浙江省长城建设集团股份有限公司 青建集团股份公司 北京市建设监理协会 中冶建筑研究总院有限公司 黑龙江省寒地建筑科学研究院 东南大学 同济大学 华中科技大学 北京榆构有限公司 瑞安房地产发展有限公司 沛丰建筑工程（上海）有限公司 北京东方建宇混凝土科学技术研究院 浙江华威建材集团有限公司 西卡中国集团 广州市裕丰控股股份有限公司 柳州欧维姆机械股份有限公司 江苏省苏中建设集团股份有限公司 本规范主要起草人员：袁振隆 程志军 王玉岭 王沧州 王晓锋 王章夫 朱万旭 朱广祥 李小阳 李东彬 李宏伟 李景芳 肖绪文 吴月华 何晓阳 冷发光 张元勃 张同波 林晓辉 赵挺生 赵 勇 姜 波 耿树江 郭正兴 郭景强 龚 剑 蒋勤俭 赖宜政 路来军 本规范主要审查人员：叶可明 杨嗣信 胡德均 钟 波 艾永祥 赵玉章 张良杰 汪道金 张 琨 陈 浩 高俊岳 白生翔 韩素芳 徐有邻 李晨光 尤天直 郑文忠 冯 健 魏建东 丛小密 杨思忠 目次 1 总则....................................................................................................................................................4 2 术语..................................................................................................................................................74 3 基本规定..........................................................................................................................................75 3.1 施工管理....................................................................................................................................75 3.2 施工技术....................................................................................................................................75 3.3 施工质量与安全........................................................................................................................75 4 模板工程..........................................................................................................................................77 4.1 一般规定...................................................................................................................................77 4.2 材料............................................................................................................................................77 4.3 设计.......................................................................................................................................77 4.4 制作与安装................................................................................................................................80 4.5 拆除与维护................................................................................................................................82 4.6 质量检查....................................................................................................................................83 5 钢筋工程..........................................................................................................................................86 5.1 一般规定....................................................................................................................................86 5.2 材料............................................................................................................................................86 5.3 钢筋加工....................................................................................................................................86 5.4 钢筋连接与安装........................................................................................................................88 5.5 质量检查....................................................................................................................................91 6 预应力工程......................................................................................................................................93 6.1 一般规定....................................................................................................................................93 6.2 材料............................................................................................................................................93 6.3 制作与安装................................................................................................................................93 6.4 张拉与放张................................................................................................................................96 6.5 灌浆与封锚................................................................................................................................98 6.6 质量检查..................................................................................................................................100 7 混凝土制备与运输........................................................................................................................102 7.1 一般规定..................................................................................................................................102 7.2 原材料......................................................................................................................................102 7.3 混凝土配合比..........................................................................................................................104 7.4 混凝土搅拌..............................................................................................................................106 7.5 混凝土运输..............................................................................................................................108 7.6 质量检查..................................................................................................................................108 8 现浇结构工程................................................................................................................................ 112 8.1 一般规定.................................................................................................................................. 112 8.2 混凝土输送.............................................................................................................................. 112 8.3 混凝土浇筑.............................................................................................................................. 114 8.4 混凝土振捣.............................................................................................................................. 118 8.5 混凝土养护..............................................................................................................................120 8.6 混凝土施工缝与后浇带..........................................................................................................121 8.7 大体积混凝土裂缝控制..........................................................................................................122 8.8 质量检查..................................................................................................................................124 8.9 混凝土缺陷修整......................................................................................................................126 9 装配式结构工程............................................................................................................................129 9.1 一般规定..................................................................................................................................129 9.2 施工验算..................................................................................................................................129 9.3 构件制作..................................................................................................................................131 9.4 运输与存放..............................................................................................................................133 9.5 安装与连接..............................................................................................................................134 9.6 质量检查..................................................................................................................................135 10 冬期、高温与雨期施工..............................................................................................................137 10.1 一般规定................................................................................................................................137 10.2 冬期施工................................................................................................................................137 10.3 高温施工................................................................................................................................140 10.4 雨期施工................................................................................................................................141 11 环境保护......................................................................................................................................143 11.1 一般规定................................................................................................................................143 11.2 环境因素控制........................................................................................................................143 附录A 作用在模板及支架上的荷载标准值...................................................................................145 附录B 常用钢筋的规格和力学性能...............................................................................................147 附录C 常用钢筋的公称直径、公称截面面积、计算...................................................................149 截面面积及理论重量..........................................................................................................................149 C.0.1 钢筋的计算截面面积及理论重量应符合表C.0.1 的规定。..................................................149 附录D 纵向受力钢筋的最小搭接长度.............................................................................................91 附录E 预应力筋张拉伸长值计算和量测方法.................................................................................93 附录F 张拉阶段摩擦预应力损失测试方法......................................................................................95 附录G 混凝土原材料技术指标.........................................................................................................97 附录H 大体积混凝土水化热温度计算.............................................................................................93 附录J 混凝土拌合物温度估算..........................................................................................................95 附录K 混凝土水分蒸发速率估算.....................................................................................................96 本规范用词说明....................................................................................................................................93 引用标准名录........................................................................................................................................91 1 Contents 1 General Provisions ...............................................................................................1 2 Definitions .........................................................................................................2 3 Basic Requirements ...............................................................................................3 3.1 Construction Management..............................................................................3 3.2 Construction Technology.................................................................................3 3.3 Construction Quality and Safety ....................................................................3 4 Formwork ...............................................................................................................5 4.1 General Requirements.....................................................................................5 4.2 Materials ...........................................................................................................5 4.3 Design ................................................................................................................5 4.4 Fabrication and Installation............................................................................8 4.5 Removal and Maintenance............................................................................ 11 4.6 Quality Control .............................................................................................. 11 5 Reinforcement ......................................................................................................14 5.1 General Requirements...................................................................................14 5.2 Materials .........................................................................................................14 5.3 Reinforcement Fabrication ...........................................................................14 5.4 Reinforcement Connection and Fixing ........................................................16 5.5 Quality Control ..............................................................................................19 6 Prestressed Concrete............................................................................................20 6.1 General Requirements...................................................................................20 6.2 Materials .........................................................................................................20 6.3 Fabrication and Installation..........................................................................20 6.4 Post-tensioning and Pre-tensioning ..............................................................23 2 6.5 Grouting and Anchorage Protection ............................................................26 6.6 Quality Control ..............................................................................................28 7 Concrete Production and Transportation..........................................................30 7.1 General Requirements......................................................................................30 7.2 Materials .........................................................................................................30 7.3 Mix Proportioning..........................................................................................32 7.4 Mixing .............................................................................................................34 7.5 Conveying .......................................................................................................35 7.6 Quality Control ..............................................................................................36 8 Cast-in-Situ Concrete ..........................................................................................39 8.1 General Requirements...................................................................................39 8.2 Conveying .......................................................................................................39 8.3 Placing.............................................................................................................41 8.4 Compacting.....................................................................................................45 8.5 Curing .............................................................................................................47 8.6 Construction Joint and Post-cast Strip ........................................................48 8.7 Crack Control of Mass Concrete..................................................................50 8.8 Quality Control ..............................................................................................51 8.9 Repair of Concrete Defects............................................................................53 9 Precast Concrete ..................................................................................................56 9.1 General Requirements...................................................................................56 9.2 Checking .........................................................................................................56 9.3 Production.......................................................................................................58 9.4 Storage and Transportation ..........................................................................60 9.5 Erection ...........................................................................................................61 9.6 Quality Control ..............................................................................................62 3 10 Construction in Cold, Hot and Rainy Weather...............................................64 10.1 General Requirements.................................................................................64 10.2 Cold Weather Requirements.......................................................................64 10.3 Hot Weather Requirements.........................................................................67 10.4 Rainy Weather Requirements.....................................................................68 11 Environmental Protection .................................................................................70 11.1 General Requirements .................................................................................70 11.2 Environmental Considerations ...................................................................70 Appendix A Characteristic Values of Loads Acting on Formwork ....................72 Appendix B Specifications and Mechanical Properties of Common Reinforcements...........................................................................................................74 Appendix C Nominal Sectional Area, Calculation Sectional Area and Theoretical Weight of Reinforcements.....................................................................76 Appendix D Minimum Splicing Length of Longitudinal Reinforcements ........78 Appendix E Testing Method for Prestressing Loss due to Friction....................80 Appendix F Calculation and Measurement Method for Elongation of Prestressed Tendons...................................................................................................83 Appendix G Specifications of Concrete Materials ...............................................84 Appendix H Calculation for Hydration Heat Temperature of Concrete ......................................................................................................................................89 Appendix J Temperature Estimation of Fresh Concrete Mixtures ....................91 Appendix K Estimation of Concrete Evaporation Rate......................................92 Explanation of Wording in this Code.......................................................................93 Cited Standards..........................................................................................................94 Addition：Explanation of Provisions ......................................................................95 4 1 总则 1.0.1 为在混凝土结构工程施工中贯彻国家技术经济政策，保证工程质量，做到 技术先进、工艺合理、节约资源、保护环境，制定本规范。 1.0.2 本规范适用于建筑工程混凝土结构的施工，不适用于轻骨料混凝土及特殊 混凝土的施工。 1.0.3 本规范为混凝土结构工程施工的基本要求；当设计文件对施工有专门要求 时，尚应按设计文件执行。 1.0.4 混凝土结构工程的施工除应符合本规范外，尚应符合国家现行有关标准的 规定。 74 2 术语 2.0.1 混凝土结构 concrete structure 以混凝土为主制成的结构，可分为现浇混凝土结构和装配式混凝土结构。 2.0.2 现浇混凝土结构 cast-in-situ concrete structure 在现场支模并整体浇筑而成的混凝土结构，简称现浇结构。 2.0.3 装配式混凝土结构 precast concrete structure 由预制混凝土构件或部件装配、连接而成的混凝土结构，简称装配式结构。 2.0.4 混凝土工作性 workability of concrete 在一定施工条件下，便于施工操