目录一、基坑整体性评价......................................................................................................................31.1、工程基本信息.................................................................................................................31.1.1、工程名称.............................................................................................................31.1.2、相关参建单位.....................................................................................................31.1.3、工程概况.............................................................................................................31.2、地质概况........................................................................................................................41.3、水文概况........................................................................................................................61.4、基坑周边环境.................................................................................................................61.5、支护形式及开挖方式.....................................................................................................61.5.1、支护体系.............................................................................................................61.5.2、土方开挖方式.....................................................................................................7二、重大风险点位分析与预防措施.............................................................................................122.1、风险点位分析...............................................................................................................122.1.1、环境风险点位分析...........................................................................................122.1.2、施工降水风险点位分析...................................................................................122.2、针对风险点位采取的措施...........................................................................................122.2.1、针对环境风险采取的措施...............................................................................122.2.2、针对施工降水风险采取的措施.......................................................................14三、工程重难点分析及相应控制办法.........................................................................................163.1、工程重难点分析...........................................................................................................163.2、降水控制要点...............................................................................................................173.3、土方挖运坡道...............................................................................................................183.4、暗挖法施工板下照明通风采光...................................................................................183.5、预埋管穿过帽梁及格构柱、穿过基础底板的止水...................................................183.6、降水井封井处理...........................................................................................................183.7、护坡桩遇有渗漏处理...................................................................................................193.8、预留插筋搭接及锚固...................................................................................................
