在先导孔内回拖拉管的工程技术建造地下给排水管道

Construction of Underground water Supply and Drainage Pipelines by the Engineering Technology of Pulling the Pipe Back in the Pilot hole

在先导孔内回拖拉管的工程技术具有易实施、对周围建筑物影响小、安全可靠等优点,适于在城市近地表土质地层中建造给排水管道,近十年来普遍被采用、推广。文章就此类工程技术及其特点进行阐述,总结建设经验,以供建造同类工程的技术人员借鉴、参考。

The engineering technology of pulling the pipe back in the pilot hole has the advantages of easy implementation,little impact on surrounding buildings,safety and reliability,etc.It is suitable for constructing water supply and drainage pipes in the near surface soil layer of the city.It has been widely adopted and promoted in the past ten years.The article elaborates on this kind of engineering technology and its characteristics,sums up the construction experience,and provides reference for the technicians who construct similar projects.