钢质燃气管道非开挖穿越河流工程实例

Engineering Instance of Steel Gas Pipeline Across River Using Trenchless Technology

结合燃气管道非开挖定向钻穿越河流的工程实例,分析了定向钻技术的决定工程成败的技术要点,总结了穿越设计轨迹、导向孔的钻进和扩孔、拉管等方面的实践经验。

Based on the engineering instance of gas pipeline across the river using trenchless directional drilling, the main points of the directional drilling technology which decide the success or failure of the engineering are analyzed, and the practical experience in aspects of the across design track, drilling and expanding of the guided hole, pipe pulling, etc. is summarized.