上海市中心城区大型雨水总管顶管工程设计

城市中心城区往往交通繁忙、用地紧张且各类市政基础设施众多,极大地限制了大型顶管工程的开展。以上海市陆家嘴地区某大型雨水总管顶管工程为例,根据地区现状建设条件,从顶管工程的定点定线设计、围护结构比选、特殊井工艺设计、施工组织等方面剖析顶管工程设计的重点、难点及解决方案。

Design of Large-scale Rainwater Main Pipe Jacking Project in Downtown Shanghai

The heavy traffic,land shortage and various municipal infrastructures often in central urban area will extremely restrict the development of large-scale pipe jacking project.Taking a large-scale rainwater main pipe jacking project in Lujiazui area of Shanghai as an example,based on the present construction conditions of the area,the emphases,difficulties and solutions in the design of the pipe jacking project are analyzed from the fixed point and alignment design,building envelope comparison and selection,special shaft technological design and construction organization.