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Author:

Hu, Menghan (Hu, Menghan.) | Jia, Zhenlei (Jia, Zhenlei.) | Han, Qiang (Han, Qiang.) (Scholars:韩强) | Ni, Yulong (Ni, Yulong.) | Jiao, Chiyu (Jiao, Chiyu.) | Long, Peiheng (Long, Peiheng.)

Indexed by:

EI Scopus SCIE

Abstract:

Precast concrete deck panels (PCDPs) are gradually applied in accelerated bridge construction (ABC) to achieve the goal of the fully prefabricated bridge. The joints between PCDPs are vulnerable under complicated stress state. The mechanical properties, feasibility of construction, and durability of joints are the focus to be investigated. This study proposed an innovative joint for PCDPs with high performance materials, including ultra-high performance concrete (UHPC) and carbon fiber-reinforced polymer (CFRP). The shear behavior of the novel joint was investigated on full-scale PCDPs via the static monotonic experiment. In addition, the 3D finite element numerical models were established to study the shear behavior, failure mechanism and influencing parameters of the proposed joints in PCDPs. Furthermore, the analytical models to predict the shear capacity of the proposed joints were developed. The results show that the proposed joints exhibit more reasonable failure mode and possess superior deformation ability compared to conventional joints. The initial stress and anchorage distance of CFRP tendons have obvious effect on the shear capacity. The proposed analytical model is able to accurately evaluate the shear capacity of the high performance joints for PCDPs. This study offers a novel joint type and provides guidance for the design of PCDPs.

Keyword:

Shear performance FE model Precast bridge deck panels (PCDPs) High performance joint Analytical models

Author Community:

  • [ 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 ] [Ni, Yulong]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Jiao, Chiyu]Beijing Univ Civil Engn & Architecture, Adv Innovat Ctr Future Urban Design, 1 Exhibit Hall Rd, Beijing 100044, Peoples R China
  • [ 7 ] [Jiao, Chiyu]Beijing Univ Civil Engn & Architecture, Engn Struct & New Mat Res Ctr Beijing Higher Educ, 1 Exhibit hall Rd, Beijing 100044, Peoples R China

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Source :

ENGINEERING STRUCTURES

ISSN: 0141-0296

Year: 2022

Volume: 261

5 . 5

JCR@2022

5 . 5 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 12

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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