铁路加固人工挖孔桩专项安全施工方案编制：审核：批准：2014年10月20日目录第一章编制依据及原则.......................................................................................-3-1.编制依据........................................................................................................-3-2.编制原则........................................................................................................-3-3.主要技术规范及标准....................................................................................-3-第二章工程概况.....................................................................................................-5-1.工程简介................................................................................................-5-2.地质概况................................................................................................-7-3.水文地质..............................................................................................-11-4.气候条件..............................................................................................-12-5.地震烈度..............................................................................................-12-第三章总体施工部署...........................................................................................-13-1.总体管理目标..............................................................................................-13-2.施工组织机构及资源配置..........................................................................-13-2.1施工组织机构...................................................................................-13-2.2施工机械设备...................................................................................-14-3人工挖孔桩施工..........................................................................................-15-3.1施工准备...........................................................................................-15-3.2修建降排水系统...............................................................................-17-3.3施工方法...........................................................................................-18-3.4工艺流程...........................................................................................-19-3.5测量放线...........................................................................................-19-3.6桩孔开挖及护壁施工.......................................................................-19-3.7桩身钢筋制作及笼安装...................................................................-20-3.8桩身混凝土浇灌...............................................................................-21-3.9挖孔桩土方外运...............................................................................-22-4.质量保证措施..............................................................................................-22-第四章监控量测...................................................................................................-23-1.监测目的......................................................................................................-23-2.监测项目......................................................................................................-23-3.监测管理及预警指标..................................................................................-23-3.1监测管理....................
