xxx生活污水处理厂厂外管网（一期）管道工程--顶管专项施工方案1目录1工程概况...........................................................................................................................31.1工程位置及周边环境....................................................................................................31.2工程地质........................................................................................................................41.3编制依据........................................................................................................................51.4施工总体部署.................................................................................................................62工作井、接收井的施工.................................................................................................72.1逆作法施工程序：.........................................................................................................82.2水泥搅拌桩、高压旋喷桩作为止水帷幕......................................................................92.3顶管井施工..................................................................................................................183顶管施工..........................................................................................................................233.1顶管施工工艺选择...................................................................................................234顶进参数计算..................................................................................................................264.1顶力计算...................................................................................................................264.3后靠背稳定性验算....................................................................................................274.3中继间设置................................................................................................................315施工资源的投入及施工进度计划.................................................................................345.1主要劳动力使用计划...............................................................................................345.2主要机械设备投入计划............................................................................................355.3主要设备的安装与调试...........................................................................................366顶进施工.........................................................................................................................456.1顶管施工布置...........................................................................................................456.2顶管施工流程.........................................................................................................476.3出洞顶进................................................................................................................486.4出土施工................................................................................................................496.5顶进施工................................................................................................................496.6注浆减阻................................................................................................................506.7顶进时应注意事项......................
