目 录1。 编制依据...............................................................................................................32. 工程概况..................................................................................................................32。1 概况....................................................................................................................32.2地形、地质..........................................................................................................32。3 管道顶管穿越公路平面示意图:............................................................................43. 施工方法..................................................................................................................43.1顶管施工方法介绍...............................................................................................44。 施工程序...............................................................................................................75. 施工技术措施...........................................................................................................75.1施工准备.............................................................................................................75。2 测量放线.............................................................................................................85。3 降水井施工..........................................................................................................85.4作业坑开挖..........................................................................................................95。5 发送操作坑地基处理.........................................................................................105。6 安装导向支架、就位顶管机和套管....................................................................105。7 顶管作业...........................................................................................................115。8 挖土、排土..............................................
