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author:

Li, Cong (Li, Cong.) [1] | Ji, Dai lai (Ji, Dai lai.) [2] | Zhang, Dong (Zhang, Dong.) [3] (Scholars:张冬) | Chen, Baochun (Chen, Baochun.) [4] (Scholars:陈宝春)

Indexed by:

EI Scopus SCIE

Abstract:

This paper presents an experimental study on tensile behavior of steel and ultra-high performance concrete (UHPC) composite structure connected by different connections including epoxy resin adhesive, headed stud, and hybrid of the former two. Thirty-two pull-out tests are conducted by taking the connection type, specimen size and steel fiber content of UHPC as the main parameters. The influences of these main parameters on the failure mode, load-separation behavior, and ultimate resistance of connection are researched. The failure modes of specimens with hybrid connection are UHPC interface debonding and UHPC cone failure, which is identical with the epoxy resin adhesive connection and headed stud connection, respectively. The tensile resistance ratio of headed stud connection to epoxy resin adhesive connection has a significant influence both on the separation performance and tensile resistance of hybrid connection. An empirical equation for predicting the tensile resistance of hybrid connection was proposed by taking the tensile resistance ratio of headed stud to epoxy resin adhesive. The ratio of predicted to test result was 0.973with standard deviations of 0.070. The pull-out tests and analysis of the hybrid connection in steel-UHPC composite structure were still needed to study to get it improved.

Keyword:

Epoxy resin adhesive Headed stud Hybrid connection Steel-UHPC composite structure Tensile resistance

Community:

  • [ 1 ] [Li, Cong]Fujian Univ Technol, Sch Civil Engn, Fuzhou 350118, Peoples R China
  • [ 2 ] [Ji, Dai lai]Fujian Univ Technol, Sch Civil Engn, Fuzhou 350118, Peoples R China
  • [ 3 ] [Chen, Baochun]Fujian Univ Technol, Sch Civil Engn, Fuzhou 350118, Peoples R China
  • [ 4 ] [Li, Cong]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Zhang, Dong]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Chen, Baochun]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Li, Cong]Guangxi Univ, Sch Civil Engn & Architecture, Nanning 530004, Peoples R China

Reprint 's Address:

  • [Chen, Baochun]Fujian Univ Technol, Sch Civil Engn, Fuzhou 350118, Peoples R China;;[Zhang, Dong]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China;;[Chen, Baochun]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China;;

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Source :

STRUCTURES

ISSN: 2352-0124

Year: 2024

Volume: 66

3 . 9 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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