北京南站外部路网工程4＃标段地下车库通道施工方案编制人：审核人：审批人：编制单位：北京城乡建设集团有限责任公司北京南站外部路网工程4＃标段项目经理部编制时间：二零零七年八月1编制依据......................................................51.1业主提供资料.............................................51.2施工采用的主要规范、标准一览表...........................5DBJ/T01-26-2003.............................................51.3主要应用法规及其它.......................................52工程概况......................................................52.1设计概况.................................................52.2工程地质条件.............................................62.3地下水条件概述...........................................73施工部署......................................................73.1施工组织结构.............................................73.2施工准备.................................................73.2.1技术准备............................................73.2.2现场准备............................................83.2.3材料准备............................................83.2.4劳动力配置..........................................83.3施工机械.................................................93.4施工进度计划............................................103.5施工平面图..............................................104通道施工方案.................................................114.1基坑开挖................................................114.1.1基坑支护设计的原则.................................114.1.2基坑支护方案的选择.................................114.1.3基坑支护设计.......................................114.1.4支护施工方法.......................................114.2防水施工................................................124.2.1通道底板防水层（SBSⅡPYS4）.....................124.2.2通道外墙防水层.....................................134.2.3防水层施工缝留设处理...............................154.2.4防水混凝土材料规定.................................164.2.5防水混凝土配合比规定...............................174.2.6特殊部位的防水做法.................................174.3钢筋加工及绑扎..........................................204.3.1钢筋加工...........................................204.3.2钢筋绑扎...........................................214.3.3通道底板钢筋施工工艺...............................214.3.4通道墙体钢筋施工工艺...............................224.3.5通道顶板钢筋施工工艺...............................234.4模板支撑................................................244.4.1侧墙模板...........................................244.4.2顶板模板...........................................254.4.3底板模板...........................................264.4.4模板拆除工序.......................................284.5混凝土施工..............................................284.5.1混凝土质量要求.....................................284.5.2施工现场养护.......................................294.5.3施工方法...........................................295雨季施工措施.................................................305.1做好防雨前期准备........................................305.2雨期中的技术措施........................................316施工质量保证措施.............................................316.1采购物资质量保证........................................316.2防水层施工质量保证.................................
