Paper Title:
Seismic Analysis of Typical Cut-and-Cover Subway Stations in Beijing
  Abstract

To obtain the seismic responses of typical subway stations in Beijing, a nonlinear analysis was conducted using a pushover method for seismic analysis and design of underground structures. The analysis mainly focuses on stress in columns and side walls and relative displacement between top and bottom slabs under 3 different levels of PGA (peak ground acceleration). From the analysis, the column shows good ductility due to its high ratio of reinforcement, and it has a good performance under strong motions. Compared with columns, side walls suffer from brittle failure and lose bearing capacity prior to column for its lower ratio of reinforcement. The calculated displacement indicates that the relative displacement between top and bottom slabs is linear proportional to peak ground relative displacement (PGRD). And compared with peak ground acceleration (PGA), PGRD is a more reliable design parameter of ground motion for underground structures. And the typical subway stations in Beijng can withstand the earthquake with design PGA up to 0.2 g.

  Info
Periodical
Edited by
Xuejun Zhou
Pages
2200-2206
DOI
10.4028/www.scientific.net/AMM.90-93.2200
Citation
J. B. Liu, D. D. Zhao, W. H. Wang, "Seismic Analysis of Typical Cut-and-Cover Subway Stations in Beijing", Applied Mechanics and Materials, Vols. 90-93, pp. 2200-2206, 2011
Online since
September 2011
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$32.00
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