定向钻非开挖技术在城市建设中的应用

Application of Non-excavation Technique of Directional Drilling Machine in Urban Construction

介绍了采用定向钻非开挖技术的基本工作原理与设备组成。详细讲述了施工中管线调查、导向孔钻进、扩孔、回拖管道等施工方法。说明了这一技术有效地解决了旧城改造中基础设施管线的破路敷设问题。

The basic work principle and equipment composition of non-excavation technique of directional drilling machine have been introduced in this paper. A lot of construction methods including pipes investigation, directional drilling, enpounding holes and dragging pipes are reviewd in detail. The technique has resolved effectively the problem of broken roads laying during old town infrastructure reconstruction.