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作者:

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

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EI Scopus SCIE

摘要:

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.

关键词:

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

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 ] [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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来源 :

ENGINEERING STRUCTURES

ISSN: 0141-0296

年份: 2022

卷: 261

5 . 5

JCR@2022

5 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:49

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 10

SCOPUS被引频次: 12

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:

近30日浏览量: 6

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