泥水平衡顶管施工方案

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目录 一、编制说明 ............................................................................................................... 1 1.1编制依据 .......................................................................................................... 1 1.2编制原则 .......................................................................................................... 1 1.3编制范围 .......................................................................................................... 1 二、工程概况 ............................................................................................................... 3 2.1项目概况 .......................................................................................................... 3 2.2施工条件 .......................................................................................................... 4 2.3主要工程量 .................................................................................................... 14 2.4顶管技术标准 ................................................................................................ 15 2.5施工目标 ........................................................................................................ 16 三、施工准备 ............................................................................................................. 18 3.1组织准备 ........................................................................................................ 18 3.2技术准备 ........................................................................................................ 18 3.3材料准备 ........................................................................................................ 18 3.4施工机械准备 ................................................................................................ 19 3.5施工队伍的准备 ............................................................................................ 19 四、主要资源配置计划 ............................................................................................. 20 4.1施工机械、设备使用计划 ............................................................................ 20 4.2施工设备、机具表 ........................................................................................ 20 4.3材料用量表 .................................................................................................... 20 4.4劳动力计划 .................................................................................................... 21 4.5材料、成品、半成品采购计划 .................................................................... 21 五、人工顶管施工 ..................................................................................................... 22 5.1施工方法确定 ................................................................................................ 22 5.2人工顶管施工介绍 ........................................................................................ 22 5.3施工准备 ........................................................................................................ 23 5.4工艺流程 ........................................................................................................ 23 5.5工作坑及其布置 ............................................................................................ 25 5.6设备进场安装 ................................................................................................ 25 5.7顶力计算 ........................................................................................................ 26 5.9开挖与顶进 .................................................................................................... 32 5.10顶管接口 ...................................................................................................... 34 5.11测量及校正 .................................................................................................. 35 5.12顶管注浆 ...................................................................................................... 36 5.13顶管施工中顶管进出洞的措施 .................................................................. 36 5.14沉降观测 ...................................................................................................... 37 5.15质量控制 ...................................................................................................... 37 六、常见问题及处理办法 ......................................................................................... 41 6.1关节旋转、偏移 ............................................................................................ 41 6.2管节接头漏浆 ................................................................................................ 41 6.3洞口止水圈撕裂或外翻 ................................................................................ 41