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Author:

Yang, Yusheng (Yang, Yusheng.) | Yu, Haitao (Yu, Haitao.) | Yuan, Yong (Yuan, Yong.) | Lu, Dechun (Lu, Dechun.) | Huang, Qiangbing (Huang, Qiangbing.)

Indexed by:

EI Scopus SCIE

Abstract:

A numerical framework was proposed for the seismic analysis of underground structures in layered ground under inclined P-SV waves. The free-field responses are first obtained using the stiffness matrix method based on plane-wave assumptions. Then, the domain reduction method was employed to reproduce the wavefield in the numerical model of the soil-structure system. The proposed numerical framework was verified by providing comparisons with analytical solutions for cases involving free-field responses of homogeneous ground, layered ground, and pressure-dependent heterogeneous ground, as well as for an example of a soil-structure interaction simulation. Compared with the viscous and viscous-spring boundary methods adopted in previous studies, the proposed framework exhibits the advantage of incorporating oblique incident waves in a nonlinear heterogeneous ground. Numerical results show that SV-waves are more destructive to underground structures than P-waves, and the responses of underground structures are significantly affected by the incident angles.

Keyword:

seismic response stiffness matrix method underground structures P-SV waves domain reduction method

Author Community:

  • [ 1 ] [Yang, Yusheng]Tongji Univ, Dept Geotech Engn, Shanghai 200092, Peoples R China
  • [ 2 ] [Yang, Yusheng]Shanghai Construct 4 Grp Co Ltd, Shanghai 201103, Peoples R China
  • [ 3 ] [Yu, Haitao]Changan Univ, Key Lab Western Chinas Mineral Resources & Geol En, Minist Educ, Xian 710054, Peoples R China
  • [ 4 ] [Huang, Qiangbing]Changan Univ, Key Lab Western Chinas Mineral Resources & Geol En, Minist Educ, Xian 710054, Peoples R China
  • [ 5 ] [Yu, Haitao]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China
  • [ 6 ] [Yuan, Yong]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China
  • [ 7 ] [Lu, Dechun]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Yu, Haitao]Changan Univ, Key Lab Western Chinas Mineral Resources & Geol En, Minist Educ, Xian 710054, Peoples R China;;[Yu, Haitao]Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China;;

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Source :

FRONTIERS OF STRUCTURAL AND CIVIL ENGINEERING

ISSN: 2095-2430

Year: 2023

Issue: 1

Volume: 17

Page: 10-24

3 . 0 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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