目录1.工程概况31.1.工程基本概况...............................................................................31.2.工程等别及防洪标准...................................................................31.3.基本资料.......................................................................................32.围堰方案对比及分析............................................................................52.1.原围堰设计方案及其特点...........................................................52.2.钢板桩围堰方案较原方案优缺点分析.......................................52.3.围堰方案的选定...........................................................................73.施工工期安排........................................................................................74.施工准备................................................................................................74.1.现场准备.......................................................................................74.2.技术准备.......................................................................................84.3.材料、机械准备...........................................................................85.施工工艺及方法....................................................................................95.1.钢板桩施工总体布置...................................................................95.2.钢板桩施工的一般要求.............................................................115.3.钢板桩的检验、吊装、堆放.....................................................125.4.钢板桩施工顺序及方法.............................................................126.基坑监测方案......................................................................................156.1.观测点设置.................................................................................156.2.观测频率.....................................................................................167.质量保证措施......................................................................................167.1.质量管理组织机构.....................................................................167.2.质量领导小组职责.....................................................................178.安全文明施工措施..............................................................................188.1.安全施工措施.............................................................................188.2.文明施工措施.............................................................................199.应急救援预案......................................................................................209.1.应急预案的方针与原则.............................................................209.2.应急预案工作流程图.................................................................209.3.钢板桩围堰施工存在的危险因素及预防、应急措施.............219.4.应急救援组织架构.....................................................................239.5.事故报告.....................................................................................24附件1钢板桩支护简易计算书..............................................................27附件2钢板桩围堰布置图......................................................................381.工程概况1.1.工程基本概况XX泵站位于XX桩号9+310处，为新建穿堤排水泵站，需开挖部分堤段，该处原堤顶高程约为4.40m，围内河床高程约-0.8m，外江河床...
