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作者:

Hu, Menghan (Hu, Menghan.) | Jia, Zhenlei (Jia, Zhenlei.) | Xu, Li (Xu, Li.) | Han, Qiang (Han, Qiang.) (学者:韩强) | Jiao, Chiyu (Jiao, Chiyu.) | Long, Peiheng (Long, Peiheng.)

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EI Scopus SCIE

摘要:

The cracking moment and deflection of prefabricated bridge deck panels (PBDPs) with connections are the critical indexes to assess their crack resistance and reliability. This paper presented improved prediction models for estimating the flexural performance, especially cracking moment and deflection, of PBDPs connected with CFRP tendons and UHPC grout. Afterwards, comparisons between experimental data and predicted cracking moment, moment capacity, and moment-deflection curves showed desired agreement. In addition, a finite element (FE) model was established and its reliability was verified by the comparison of moment-deflection curves between the FE model, predicted results, and tests. A parametric study was conducted to evaluate the influence of design parameters on flexural performance. The results show that the existing equations in the literature for calculating the effective moment of inertia cannot accurately predict that of PBDPs with novel connections. The improved performance prediction models have reasonable accuracy for flexural performance, including cracking moments, flexural capacity, and moment-deflection responses. The diameter and initial stress of CFRP, as well as concrete strength, have a positive influence on the performance of PBDPs connected with the proposed connections under bending moment.

关键词:

Flexural performance prediction model Moment-deflection curves Novel connection with high performance material Parametric study prefabricated bridge deck panels (PBDPs)

作者机构:

  • [ 1 ] [Hu, Menghan]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 2 ] [Long, Peiheng]Beijing Univ Civil Engn & Architecture, Sch Civil & Transportat Engn, Beijing 100044, Peoples R China
  • [ 3 ] [Jia, Zhenlei]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Han, Qiang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Xu, Li]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Jiao, Chiyu]Beijing Univ Civil Engn & Architecture, Beijing Higher Educ Inst, Engn Struct & New Mat Res Ctr, Beijing 100044, Peoples R China
  • [ 7 ] [Jiao, Chiyu]Beijing Univ Civil Engn & Architecture, Multifunct Shaking Tables Lab, Beijing 100044, Peoples R China

通讯作者信息:

  • [Jia, Zhenlei]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China;;

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来源 :

ENGINEERING STRUCTURES

ISSN: 0141-0296

年份: 2023

卷: 285

5 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

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ESI高被引论文在榜: 0 展开所有

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