人工顶管施工工艺目录一、基本工作原理......................................................................................................2二、施工准备 .............................................................................................................. 1 2.1 技术准备 ........................................................................................................ 1 2 。 2 材料准备 ..................................................................................................... 2 2.3 机具准备 ........................................................................................................ 2 三、施工方法 .............................................................................................................. 2 3 。 1 工艺流程 ..................................................................................................... 2 3.2 工作坑及其布置 ............................................................................................ 2 3.3 开挖与顶进 .................................................................................................... 2 3 。 3.1 挖土与运土 ...................................................................................... 2 3 。 3.2 顶进施工 .......................................................................................... 3 3 。 4 顶管接口 ..................................................................................................... 3 3.5 测量及校正 .................................................................................................... 3 3.5.1 测量 ..................................................................................................... 3 3.5.2 校正 ..................................................................................................... 3 3 。 6 沉降观测及控制 ......................................................................................... 4 一、基本工作原理人工顶...