目录11工程概况..........................................................................................................................11.1编制依据...............................................................................................................11.2编制原则...............................................................................................................11.3工程概述...............................................................................................................21.4地质情况及地下管线调查...................................................................................41.5沉井施工不利条件及存在难点...........................................................................52施工部署..........................................................................................................................62.1临时设施安排及施工准备...................................................................................62.2人员配置...............................................................................................................72.3施工进度计划.......................................................................................................82.4施工材料计划.......................................................................................................92.5施工设备计划.......................................................................................................93沉井施工主要施工工艺................................................................................................133.1沉井构造.............................................................................................................133.2主要施工方法选择.............................................................................................133.3施工流程.............................................................................................................143.4现场准备.............................................................................................................143.5井点降水.............................................................................................................153.6浅部基坑开挖、垫层施工.................................................................................163.7脚手架搭设、模板支撑及钢筋绑扎.................................................................163.8混凝土浇筑及养护.............................................................................................193.9沉井的接高.........................................................................................................203.10挖土下沉...........................................................................................................213.11沉井封底与底板浇筑.......................................................................................253.12特殊情况下的沉井施工...................................................................................253.12工程监测...........................................................................................................284质量保证措施................................................................................................................314.1质量保证体系.....................................................................................................314.2质量保证制度.......
