通过唐山液化天然气外输管道工程在沿海湿地施工技术及实施,介绍了长输管道在沿海湿地施工,水域段围堰排水、作业带整理、施工便道修筑、管材拉运及布管、管道组对焊接、防腐补口、管道下沟及回填等各施工工序,较为成功可行的施工技术和方法。 Through the Tangshan LNG pipeline project in the coastal wetland construction technology and its implementation, introduced the long-distance pipeline construction in the coastal wetland, water cofferdam drainage, work area finishing, construction access road construction, pipe drawing and piping, pipeline group Welding, anti-corrosion mouth, under the ditch pipe and backfill and other construction processes, the more successful and feasible construction techniques and methods.