学府美墅二期13#楼工程地下车库深基坑开挖安全专项方案编制单位：编制日期：2013年9月15日目录第一节编制依据及原则................................................................................-1-1.1、编制依据.........................................................................................-1-1.2、编制原则.........................................................................................-2-1.3、编制范围.........................................................................................-2-第二节工程概况...........................................................................................-3-2.1、工程地质.........................................................................................-3-2.2、水文、气象情况..............................................................................-4-2.3、地形地貌及周边环境......................................................................-4-2.4、工程设计概况（施工要求和技术保证条件）..............................-4-2.5、基坑边坡评价.................................................................................-4-2.6、施工平面布置（附后）..................................................................-4-第三节施工计划：.......................................................................................-5-3.1、施工进度计划（附后）..................................................................-5-3.2、材料计划.........................................................................................-5-3.3、设备计划.........................................................................................-6-第四节主要施工工艺技术：技术参数、工艺流程、施工方法、检查验收等.....................................................................................................................-8-4.1、地下室土石方开挖（坡率法）......................................................-8-4.1.1、开挖准备................................................................................-8-4.1.2、施工工序及工艺....................................................................-9-4.1.3、施工注意事项......................................................................-11-4.1.4、施工监测..............................................................................-12-4.2、挖孔桩施工方法............................................................................-12-4.2.1、施工前的准备工作..............................................................-12-4.2.2、施工机械设备......................................................................-13-4.2.3、挖孔桩施工工艺..................................................................-13-4.2.4、每环进尺次深度..................................................................-16-4.2.5、护壁施工............................................................................-17-4.2.6、开挖方法及运渣..................................................................-17-4.2.7、流沙段处理方案（涉及时采用）：..................................-17-4.2.8、钢筋笼制安..........................................................................-19-4.2.9、混凝土浇筑..........................................................................-19-4.2.10、降水、排水施工措施........................................................-21-4.2.11、挖孔桩终孔验收及成桩的质量检测................................-21-4.2.12、...
