短线匹配法节段箱梁预制实施方案 崇启长江公路大桥A250米跨箱梁短线法预制施工技术方案

中交第二航务工程局有限公司 目 录

一、编制依据 ······························ 1 二、工程概况 ······························ 2 2.1工程概述 ···················································································· 2 2.2工程主要特点 ·············································································· 3 三、主要施工技术方案 ·························· 3 3.1预制厂布置及主要设备配置 ···························································· 3 3.1.1预制厂布置 ···································································· 4 3.1.2主要设备配置 ································································· 8 3.2箱梁梁段预制总述 ········································································ 9 3.2.1短线匹配预制工艺 ··························································· 9 3.2.2箱梁预制施工测量 ························································· 10 3.2.3总体预制顺序 ······························································· 12 3.2.4预制施工的总体操作程序 ················································ 12 3.2.5标准梁段预制程序 ························································· 13 3.3预制施工工艺流程 ······································································ 14 3.4主要施工方法 ············································································ 14 3.4.1箱梁模板 ····································································· 14 3.4.2钢筋骨架的绑扎与入模 ··················································· 20 3.4.3混凝土施工 ·································································· 22 3.4.4梁段转运和存放 ···························································· 28 3.4.5梁段出运检查 ······························································ 287 3.5预制线型控制 ············································································ 29 3.5.1模板精度控制 ······························································· 29 3.5.2匹配梁段定位 ······························································· 30 3.6质量检验标准 ············································································ 33 四、组织体系 ······························ 34 五、资源及进度计划 ··························· 36 崇启长江公路大桥A250米跨箱梁短线法预制施工技术方案

中交第二航务工程局有限公司 5.1人力资源计划 ············································································ 36 5.2机械设备计划 ············································································ 37 5.3主要材料计划 ············································································ 38 5.4原材料检验计划 ········································································· 39 5.5进度计划 ···························································· 错误!未定义书签。 六、质量、进度施工措施 ························· 43 6.1质量保证措施 ············································································ 43 6.1.1质量保证组织措施 ······································································· 43 6.1.2工程质量保证措施 ······································································· 45 6.2进度保证措施 ············································································ 46 七、安全、环保及文明施工措施 ······················ 42 7.1安全保证措施 ············································································ 47 7.1.1安全保证组织措施 ······································································· 52 7.1.2龙门吊的安全 ············································································· 52 7.1.3起重安全 ··················································································· 53 7.1.4施工现场安全 ············································································· 53 7.1.5设备安全管理 ············································································· 53 7.1.6施工用电安全管理 ··································································· 54 7.2施工期环境保护及文明施工措施 ···················································· 47 7.2.1施工期环境保护措施 ···································································· 55 7.2.2现场文明施工 ············································································· 55 崇启长江公路大桥A250米跨箱梁短线法预制施工技术方案

中交第二航务工程局有限公司 1 一、编制依据 1、《崇明至启东长江公路通道工程（江苏段）跨江大桥CQ-A2标段施工招标用图纸》（中交公路规划设计院有限公司，2008年12月） 2、《崇启长江公路大桥(江苏段)跨江大桥工程施工项目CQ-A2合同标段招标文件》 3、国家和交通部现行有关标准、规范、规程、办法等，主要有： 1）《公路桥涵施工技术规范》（JTJ041-2000） 2）《公路工程质量检验评定标准》（JTG F80-2004） 3）《公路工程施工安全技术规程》（JTJ076-95） 4）《海港工程混凝土结构防腐蚀技术规范》（JTJ275－2000） 5）《工程测量规范》（GB50026—93） 6) 项目相关部门批准的相关文件