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Author:

Lu, Shasha (Lu, Shasha.) | Yang, Cheng (Yang, Cheng.) | Ma, Runbo (Ma, Runbo.) | Cao, Qikun (Cao, Qikun.) | Xu, Hong (Xu, Hong.) | Zhao, Dongxu (Zhao, Dongxu.) | Yin, Hang (Yin, Hang.)

Indexed by:

EI Scopus SCIE

Abstract:

The dynamic interaction between tunnels and adjacent buildings under seismic action is a complex issue in ensuring the earthquake resistance of modern infrastructure. The seismic response of an entire system poses significant challenges in the structural design and safe operation. To study the seismic response law of tunnels (single and double) passing below a surface frame structure containing a basement, this study designed and conducted a series of shaking table tests based on an actual project in which tunnels pass at under and side- through positions relative to an office building in Zhengzhou, China. The results showed that the frame structure amplified the acceleration responses of the soil and tunnel, while the tunnel reduced the acceleration response of the nearby tunnel and frame structure, and the basement decreased the acceleration response of the first-floor slab; the frame structure and tunnel amplified the strain response of nearby tunnels; the tunnel had an amplifying effect on the inter-story drift ratio of the frame structures above the weak layers and a reducing effect below the weak layers. Neither the variation in the seismic wave amplitude nor the presence of the tunnel altered the location of the weak layers in the frame structure. The type of seismic wave and the location of the tunnel crossing had a certain impact on the seismic response of the structural systems.

Keyword:

Seismic response Shaking table test Structure-soil-structure interaction Tunnel Surface frame structure Basement

Author Community:

  • [ 1 ] [Lu, Shasha]Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China
  • [ 2 ] [Yang, Cheng]Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China
  • [ 3 ] [Ma, Runbo]Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China
  • [ 4 ] [Cao, Qikun]Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China
  • [ 5 ] [Ma, Runbo]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China
  • [ 6 ] [Xu, Hong]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 7 ] [Zhao, Dongxu]China Earthquake Adm, Inst Geophys, Beijing 100081, Peoples R China
  • [ 8 ] [Yin, Hang]Chongqing Univ, Inst Smart City, Liyang 213300, Peoples R China

Reprint Author's Address:

  • [Ma, Runbo]Liaoning Tech Univ, Sch Civil Engn, Fuxin 123000, Peoples R China;;[Ma, Runbo]Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China;;

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Source :

TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY

ISSN: 0886-7798

Year: 2024

Volume: 154

6 . 9 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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