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Author:

Huang, Jing-Qi (Huang, Jing-Qi.) | Du, Xiu-Li (Du, Xiu-Li.) (Scholars:杜修力) | Tian, Zhi-Min (Tian, Zhi-Min.) | Jin, Liu (Jin, Liu.) (Scholars:金浏) | Zhao, Mi (Zhao, Mi.) (Scholars:赵密)

Indexed by:

EI PKU CSCD

Abstract:

Based on the time-domain wave method and the explicit FEM coupled with viscous-spring artificial boundary condition, a 3-D input method for the plane seismic SV waves of oblique incidence is proposed. The numerical results of a half space demonstrates that this approach has a good precision. Then the proposed method is applied to investigate the seismic response of the Beigongmen Subway Station subjected to oblique incidence of seismic waves. The simulation results show that the dynamic responses of the subway station subjected to the action of obliquely incident seismic waves are clearly different from those due to vertically incident seismic waves. Oblique incidence of seismic wave has a significant impact on the vertical acceleration, despite of negligible influence on the horizontal acceleration. It can be found that the axial and shear forces at the columns vary obviously with increasing incident angel. Furthermore, there is significant increase in the first and third principal stresses at some key points of the sidewall. Therefore, the effect of obliquely incident seismic wave should be considered when studying the seismic response of subway stations.

Keyword:

Seismic response Seismic waves Shear waves Underground structures Subway stations Railroads Geometry Time domain analysis Boundary conditions

Author Community:

  • [ 1 ] [Huang, Jing-Qi]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Du, Xiu-Li]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Tian, Zhi-Min]The Forth Engineer Scientific Institute of the Headquarters of the General Staff, Beijing; 100850, China
  • [ 4 ] [Jin, Liu]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Zhao, Mi]The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address:

  • 杜修力

    [du, xiu-li]the key laboratory of urban security and disaster engineering, ministry of education, beijing university of technology, beijing; 100124, china

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Source :

Engineering Mechanics

ISSN: 1000-4750

Year: 2014

Issue: 9

Volume: 31

Page: 81-88 and 103

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 42

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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