盾构法隧道与下立交长距离叠交的设计与施工技术探讨

Discussion on Design and Construction Technology of Long-distance Overlapping of Tunnel by Shield Process with Undercrossing

随着城市的快速发展,对交通和道路的要求越来越高。紧临建筑物施工越来越普遍,上海轨道交通10号线3标在同济大学以及大连路车站上方均设计了下立交,疏解同济大学门口以及大连路四平路交叉口的交通拥堵状况。由于下立交下方是盾构法隧道,施工面临诸多难题和挑战。该文通过对上海轨道交通10号线3标同济大学站-国权路站区间隧道与中山北二路下立交基坑工程同时施工过程中的不同工况的综合分析,揭示盾构法隧道与下立交长距离叠交的设计与施工的要点,提出在所述的工况条件下的设计和施工方法。

With the high-speed development of city,the requirements of traffic and road will be high.The constructions to close to the buildings are more.The undercrossing is constructed near Tongji University and at the upper of Daliang Road Station in Bid 3 of Shanghai Metro No.10 Line to scatter the traffic jam status at the entrance of Tongji University and the intersection of Daliang Road with Siping Road.The construction faces many difficulties and challenges because of the tunnel by the shield process at the lower of undercrossing.The article generally analyzes the different working conditions in the construction course of the tunnel between Tongji University Station-Guoquang Road Station and at the same time of the foundation pit project for Zhongshan No.2 Road (N) Grade Separation,opens out the design and construction gist of the long-distance overlapping of the tunnel by shield process with undercrossing,and puts forward the design and construction methods under the described construction conditions.