降水、沉井及顶管施工方案编制：审核：审批：段项目部目录1.工程概况...........................................................51.1工程简介.......................................................51.2编制依据.......................................................51.3地质概况.......................................................62.施工部署............................................................72.1施工方案选择...................................................72.2施工管理.......................................................72.3管理目标......................................................103.施工流程...........................................................103.1施工流向安排..................................................103.2施工测量......................................................113.3施工工艺流程..................................................114.降水施工...........................................................134.1降水方案......................................................134.2降水计算......................................................134.5其他注意事项..................................................185.沉井...........................................................185.1沉井结构形式..................................................185.2沉井施工流程..................................................195.3沉井基坑开挖..................................................195.4沉井计算......................................................195.5沉井下沉......................................................265.6沉井测量、质量控制及注意事项..................................286.顶管施工..........................................................316.1顶管机的选择..................................................316.2施工工艺流程..................................................326.3平面布置及井内布置............................................33平面布置图........................................................346.4施工方法......................................................346.5顶进施工......................................................386.6注浆减阻......................................................396.7管材与接口....................................................416.8测量、监控....................................................426.9浆液置换......................................................426.10辅助设施施工.................................................436.11检查井砌筑...................................................446.12闭水试验.....................................................446.13竣工清理.....................................................447.变形监测及应急措施.................................................447.1基坑等级及监测目的：..........................................447.2监测点布设....................................................457.3监测方法、频率和要求..........................................458.质量目标与质量保障措施............................................468.1质量管理目标..................................................468.2质量保证体系..................................................478.3质量管理组织机构..............................................488.4质量管理制度..................................................498.5质量控制程序..................................................508.6质量检测制度及程序................
