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作者:

Wang, Shaojian (Wang, Shaojian.) | Xu, Weibing (Xu, Weibing.) | Wang, Jin (Wang, Jin.) | Xin, Guangtao (Xin, Guangtao.) | Chen, Yanjiang (Chen, Yanjiang.) (学者:陈彦江) | Zhao, Zhuo (Zhao, Zhuo.) | Bai, Yulei (Bai, Yulei.) (学者:白玉磊)

收录:

SCIE

摘要:

To establish an anti-seismic reinforcement method (ASRM) for fabricated concrete piers based on carbon fibre reinforced polymer (CFRP) and polyethylene terephthalate (PET) materials, two 1/6-scale prefabricated piers with grouted sleeve connections (SFPs) and grouted sleeve prestressing tendon composite connections (SSFPs) were designed and manufactured. Shaking table tests were carried out for the model piers. Then, an ASRM using CFRP/PET with anti-sway external metallic dissipaters (AS-EMD) was proposed. The design and implementation methods of the CFRP-AS-EMD and PET-AS-EMD were established. Under the same excitation, shaking table tests of the SFPs repaired with the CFRP-AS-EMD and the SSFPs repaired with PET-AS-EMD were conducted. And finite element analysis (FEA) verification of the reinforcement effect was also carried out. The results showed that the initial seismic damage of the SFPs and SSFPs included pier body cracking, concrete spalling or crushing, and seam cracking at the bottom of the pier. The CFRP-AS-EMD and PET-AS-EMD can evidently decrease the horizontal displacement of the specimens, demonstrate good anti-sway capacity, provide a certain energy consumption capacity, and effectively improve the ductility of the reinforced pier specimens.

关键词:

CFRP Near-fault ground motion PET Prefabricated bridge pier Reinforcement Shaking table test

作者机构:

  • [ 1 ] [Wang, Shaojian]Beijing Univ Technol, Beijing, Peoples R China
  • [ 2 ] [Xu, Weibing]Beijing Univ Technol, Beijing, Peoples R China
  • [ 3 ] [Wang, Jin]Beijing Univ Technol, Beijing, Peoples R China
  • [ 4 ] [Xin, Guangtao]Beijing Univ Technol, Beijing, Peoples R China
  • [ 5 ] [Chen, Yanjiang]Beijing Univ Technol, Beijing, Peoples R China
  • [ 6 ] [Zhao, Zhuo]Beijing Univ Technol, Beijing, Peoples R China
  • [ 7 ] [Bai, Yulei]Beijing Univ Technol, Beijing, Peoples R China
  • [ 8 ] [Xin, Guangtao]CHECSC Highway Maintenance & Test Technol Co Ltd, Beijing, Peoples R China

通讯作者信息:

  • [Xu, Weibing]Beijing Univ Technol, Beijing, Peoples R China

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来源 :

ENGINEERING STRUCTURES

ISSN: 0141-0296

年份: 2021

卷: 245

5 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:9

被引次数:

WoS核心集被引频次: 12

SCOPUS被引频次: 15

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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