输气管道挖泥船水下成沟法河流穿越

River Crossing of Gas Pipeline with Underwater Trenching Method by Dredge

以西气东输管道工程江南水网段的现场施工为例 ,介绍了输气管道水网地区采用挖泥船水下成沟法进行河流穿越的施工过程 。

Take the pipeline field construction in waters region for West-to-East Gas Transmission Project as an example,this paper introduces the pipeline construction process in waters region to cross river with underwater trenching method by dredge. The water crossing construction program and project requirements for this method is put forward.