非开挖（定向钻进）技术在污水管道工程中的应用

摘要

Horizontal directional drilling is a new technique of Non-excavation pipeline construction for pipeline works. In the article,the use of the technique is introduced,some important problems in design and construction are also discussed through an engineering practice of one pipeline project.%介绍了一种新型的管道铺设技术---非开挖拖拉牵引管道技术在城市管网工程中的应用，通过某工程实例，详细论述了工程设计和施工中的一些关键问题。