Xianli Ding, Zhongan Zhang, Xinxian Wang, Ran Wang, Rongji Huang, Weigang Zhao, Song Gao, Kaize Xie, Shupeng Wang
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Three-dimensional analysis of a prefabricated subway station during construction
Partially assembled structures were used replace earth-retaining struts during construction of a prefabricated subway station on the Shenzhen Metro in China. A three-dimensional numerical model was developed to investigate the interaction between the Pingxi Station structure and the earth-retaining system for different assembly sequences. The results showed that the prefabricated structure performed satisfactorily during construction, and the sequence of assembly had a significant influence on the distribution of internal forces and stresses, especially in the substructure. The analytical approach applied here can be extended to assess other prefabricated underground structures.
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