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天津地铁3号线张兴庄站紧邻北环铁路,铁路路基及列车动载产生的偏压荷载对基坑稳定性影响不容忽视。对其基坑加固支护、降水、封堵等施工方案及措施进行详细阐述,对以后类似工程的设计和施工提供参考。
Zhang Xingzhuang station of Tianjin Metro Line 3 is close to North Central Central Railway. The influence of the bias load caused by railway subgrade and train dynamic load on the stability of the foundation pit can not be ignored. This paper elaborates the construction plans and measures of foundation pit reinforcement and support, precipitation and sealing, and provides references for the design and construction of similar projects in the future.