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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

  • 许维炳

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

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Source :

ENGINEERING STRUCTURES

ISSN: 0141-0296

Year: 2021

Volume: 245

5 . 5 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:87

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 13

SCOPUS Cited Count: 18

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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