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作者:

Li, Huifang (Li, Huifang.) | Zhao, Mi (Zhao, Mi.) | Huang, Jingqi (Huang, Jingqi.) | Liao, Weizhang (Liao, Weizhang.) | Ma, Chao (Ma, Chao.)

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摘要:

A simplified analytical solution for seismic response of tunnel cross section in horizontally layered ground subjected to oblique incidence of SH wave is deduced in this paper. The proposed analytical solution consists of two main steps: free-field response in layered field and tunnel response. The free field responses of the layered ground are obtained by one-dimensional finite element method in time domain. The tunnel lining is treated as a thick-wall cylinder to calculate the tunnel response, which subject to free field stress. The analytical solutions are verified by comparing with the dynamic numerical results of two-dimensional ground-lining interaction analysis under earthquake in some common situations, which have a good agreement. Then, the appropriate range of the proposed analytical solution is analyzed, considering the height of the layered ground, the wavelength and incident angle of SH wave. Finally, by using the analytical solutions, the effects of the ground material, burial depth of the tunnel, and lining thickness and the slippage effect at the ground-lining interface on the seismic response of tunnels are investigated. The proposed solution could serve as a useful tool for seismic analysis and design of tunnels in layered ground.

关键词:

analytical solution oblique incidence layered ground tunnel

作者机构:

  • [ 1 ] [Li, Huifang]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 2 ] [Liao, Weizhang]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 3 ] [Ma, Chao]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 4 ] [Zhao, Mi]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Huang, Jingqi]Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing Key Lab Urban Underground Space Engn, Beijing 100083, Peoples R China

通讯作者信息:

  • [Huang, Jingqi]Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing Key Lab Urban Underground Space Engn, Beijing 100083, Peoples R China;;

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来源 :

EARTHQUAKES AND STRUCTURES

ISSN: 2092-7614

年份: 2023

期: 1

卷: 24

页码: 65-79

1 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

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SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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