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作者:

Ma, Chao (Ma, Chao.) | Zhao, Yuanqi (Zhao, Yuanqi.) | Dong, Huihui (Dong, Huihui.) | Lu, Dechun (Lu, Dechun.) (学者:路德春) | Du, Xiuli (Du, Xiuli.)

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摘要:

Insufficient lateral deformability of columns within the high axial force is the main failure mechanism of subway stations under earthquake loading. This study proposed applying reinforced concrete truncated (RCT) columns to improve the seismic capacity of subway stations. The seismic tests of RCT columns and cast-in-place (CIP) columns were conducted first. Then the seismic capacity of subway stations with RCT and CIP columns was discussed by push-over analysis. After that, the seismic response of subway stations with RCT and CIP columns was simulated by considering both horizontal and vertical ground motions. Numerical results presented that the vertical performance of both structures had no obvious difference. However, the earthquake-induced horizontal deformation of the structure with RCT columns was smaller than that of the structure with CIP columns, then the structure with RCT columns experienced lighter damage. Therefore, RCT columns can be applied to improve the seismic performance of subway stations.

关键词:

Seismic test RCT columns Subway station Deformation capacity Numerical simulation Seismic performance

作者机构:

  • [ 1 ] [Ma, Chao]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing, Peoples R China
  • [ 2 ] [Zhao, Yuanqi]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing, Peoples R China
  • [ 3 ] [Dong, Huihui]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing, Peoples R China
  • [ 4 ] [Lu, Dechun]Beijing Univ Technol, Inst Geotech & Underground Engn, Beijing, Peoples R China
  • [ 5 ] [Du, Xiuli]Beijing Univ Technol, Inst Geotech & Underground Engn, Beijing, Peoples R China

通讯作者信息:

  • [Lu, Dechun]Beijing Univ Technol, Inst Geotech & Underground Engn, Beijing, Peoples R China;;

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来源 :

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING

ISSN: 0267-7261

年份: 2023

卷: 169

4 . 0 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

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