论文部分内容阅读
上海浦东煤气厂是市重点工程之一,其中北线煤气管道过江是重要外围工程项目。该工程由浦西工作井、浦东接收井,以及连接两井的江底管道三部分组成。工作井外径18m,深34.6m;接收井外径11m,深45m,均系地下连续墙结构。江底钢管内径2.4m,壁厚24mm,全长694m,是目前国内过江管道顶进距离最长的顶管工程。顶管施工工艺主要有以下六部分:
Shanghai Pudong Gas Plant is one of the city’s key projects, including the northern gas pipeline crossing the river is an important external projects. The project consists of Puxi work well, Pudong receiving well, and connecting the two wells at the end of the river pipeline composed of three parts. The working well has an outer diameter of 18m and a depth of 34.6m. The receiving well has an outer diameter of 11m and a depth of 45m, all of which are underground continuous wall structures. The inner diameter of the steel pipe at the end of the river is 2.4m and the wall thickness is 24mm. The total length is 694m. It is the pipe jacking project with the longest distance from the domestic river pipe. Pipe jacking construction process has the following six parts: