第0页共47页苍南龙港新城A1区市政道路及桥梁工程BT项目拉森钢板桩基坑支护专项施工方案目录1、编制依据及规范标准..........................................................................31.1、编制依据....................................................................................31.2、规范标准....................................................................................32、工程概况..............................................................................................42.1、工程简介....................................................................................42.2、地形地貌....................................................................................42.3、气候、水文................................................................................53、基坑支护方案设计............................................................................53.1、基本情况....................................................................................53.2、支护方案设计............................................................................54、基坑稳定性验算................................................................................64.1、桥墩基坑稳定性验算................................................................65、基坑支护施工....................................................................................195.1、施工工艺流程..........................................................................195.2、施工准备..................................................................................195.3、钢板桩进场检查整理..............................................................205.4、导框施工..................................................................................215.5、钢板桩插打与合拢..................................................................215.6、基坑开挖..................................................................................225.7、围囹安装..................................................................................235.8、垫层混凝土浇筑......................................................................235.9、墩台施工..................................................................................235.10、钢板桩拔除............................................................................235.11、基坑位移监测........................................................................236、资源配置............................................................................................256.1、人员配置..................................................................................25第1页共47页苍南龙港新城A1区市政道路及桥梁工程BT项目拉森钢板桩基坑支护专项施工方案6.2、材料及设备配置.............................................................257、施工计划............................................................................................258、质量保证措施....................................................................................268.1、管理措施..................................................................................268.2、技术措施..................................................................................289、安全管理体系及保障措施................................................................289.1、安全目标...................................................................................
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