顶管法施工是通过千斤顶将管段从工作井的穿墙孔中一段段的顶入土中,它不需要在地面上开挖,也不破坏地表结构物的一种地下敷设管道法。该法现正越来越多地得到应用,不仅可敷设排水管,也可穿越城市已有建筑物、穿越江河敷设油管、天然气管、煤气管等。上海市基础公司最近将顶管法用于浦东新区星火开发总公司的污水排海工程上,在地下17m的淤泥质粘土中一次顶进长 The pipe jacking method is the method of jacking the pipe section into the soil from a section of the hole in the wall of the working well. It does not need to be excavated on the ground and does not damage the underground structure pipe. The law is now being applied more and more, not only laying drainage pipes, but also crossing existing buildings in the city, laying pipes through rivers, natural gas pipes, and gas pipes. The Shanghai Pipeline Company recently used the pipe jacking method for the sewage discharge project of the Spark Development Corporation of Pudong New Area, and entered the tunnel in a 17m underground muddy clay.