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上海市正处轨道交通建设的高峰期,大量车站位于市区繁华地段。针对地铁车站施工与地面交通组织、管线搬迁矛盾的难题,介绍了先修筑临时路面系统、然后在路面系统下修建地下结构的盖挖法施工技术。采用盖挖法施工能减少对地面交通和周围环境的影响,降低施工噪声,也为城市繁华地段施工中出现的“零场地”问题找到了较为有效的解决办法,避免一些不必要的动拆迁,从而有效节约整个工程的成本和工期。
Shanghai is at the peak of rail transit construction. A large number of stations are located in downtown area. In view of the contradiction between subway station construction and ground transportation organization and pipeline relocation, this paper introduces the construction technology of the cover excavation method of constructing the temporary pavement system first and then constructing the underground structure under the pavement system. The construction of the cover-dredging method can reduce the impact on the ground traffic and the surrounding environment and reduce the construction noise, but also found a more effective solution to the “zero-site” problem in the construction of the bustling urban area, avoiding some unnecessary movements Demolition, thus effectively saving the cost and duration of the entire project.