顶管施工方案(专家论证)

目 录 TOC \o "1-2" \h \u HYPERLINK \l _Toc22282 1、编制依据 PAGEREF _Toc22282 3 HYPERLINK \l _Toc231

目录 1、编制依据 ................................................................................................................................... 3 2、编制原则 ................................................................................................................................... 4 3、工程概况 ................................................................................................................................... 4 3.1基本情况 ........................................................................................................................... 4 3.2自然地理概况 ................................................................................................................... 5 3.3水文情况 ........................................................................................................................... 5 3.4地层及构造 ....................................................................................................................... 5 4、施工部署 ................................................................................................................................. 9 4.1现场组织机构建立 ........................................................................................................... 9 4.2技术准备 ........................................................................................................................... 9 4.3机械设备准备 ................................................................................................................. 10 4.4作业条件准备 ................................................................................................................. 10 4.5安全应急措施准备 .......................................................................................................... 10 4.6外业工作准备 ................................................................................................................. 11 4.7材料准备 ......................................................................................................................... 11 4.8场地清理 ......................................................................................................................... 11 4.9临时用电 ......................................................................................................................... 11 4.10临时用水 ....................................................................................................................... 11 5.顶管施工 .................................................................................................................................... 12 5.1方案选择 ......................................................................................................................... 12 5.2人工顶力计算 ................................................................................................................. 12 5.3工作井制作 ..................................................................................................................... 13 5.4导轨安装 ......................................................................................................................... 14 5.5后背与后座墙 ................................................................................................................. 14 5.6管道外围打蜡及压注触变泥浆减摩擦 ........................................................................... 16 5.7管头装备刃脚 ................................................................................................................. 17 5.8管道顶进 ......................................................................................................................... 17 5.9管接口质量控制 ............................................................................................................. 19 5.10工作井回填 ................................................................................................................... 19 6、顶管常见问题的防治 ............................................................................................................. 20 6.1管道轴线偏差过大 .......................................................................................................... 20