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城市地铁车站周边建构筑物较多,线路横纵交叉对站位选择越来越苛刻,部分建筑物距离车站较近,甚至直接与车站空间上重叠。以佛山地铁某车站为例,介绍地下车站施工对站内桥梁的影响以及采用桩基托换的方式降低深基坑作业过程中对桥梁结构的安全风险。
There are many structures around the metro station in the city. Cross-line crossing is more and more harsh for station selection. Some buildings are close to the station and even overlap directly with the station. Taking a station in Foshan Metro as an example, this paper introduces the influence of underground station construction on the bridge inside the station and the pile foundation underpinning method to reduce the safety risk to the bridge structure during deep foundation pit operation.