Three-dimensional analysis of a prefabricated subway station during construction

Author:

Ding Xianli1,Zhang Zhongan1,Wang Xinxian1,Wang Ran1,Huang Rongji1,Zhao Weigang2,Gao Song2,Xie Kaize2,Wang Shupeng2ORCID

Affiliation:

1. Guangzhou Metro Design and Research Institute, Shenzhen, PR China

2. Structural Health Monitoring and Control Institute, Shijiazhuang Tiedao University, Shijiazhuang, PR China

Abstract

Partially assembled structures were used to 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.

Publisher

Emerald

Subject

Civil and Structural Engineering

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