东海县农村饮用水安全及城乡统筹区域供水输水管道工程工作坑施工及顶管专项施工方案编制人：审核人：审批人:编制日期：2016年06月04日目录第1章编制依据............................................................................................................................4第2章工程概况............................................................................................................................42.1工程简介..................................................................................................................................42.2主要工程数量..........................................................................................................................42.3现场施工环境..........................................................................................................................52.4工程地质、水文情况..............................................................................................................5第3章施工部署............................................................................................................................63.1组织机构..................................................................................................................................63.2现场准备..................................................................................................................................63.3技术准备..................................................................................................................................73.4材料计划..................................................................................................................................73.5机械设备..................................................................................................................................83.6工力准备..................................................................................................................................93.7施工计划及保证措施..............................................................................................................9第4章基坑及顶管施工方法和措施.............................................................................................114.1测量.........................................................................................................................................114.2顶管坑施工.............................................................................................................................124.2.1管道基坑支护......................................................................................................................124.3.2钢板桩支护施工工艺及程序..........................................................................................124.3.3基坑支护计算..................................................................................................................144.3.4基坑开挖及排水.....................................................................................................................................164.3顶管施工和技术措施.............................................................................................................174.3.1顶力计算..........................................................................................................................174.3.2顶管机选型.................
