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Author:

Liu, Kaiquan (Liu, Kaiquan.) | Liu, Yue (Liu, Yue.) | Sabbrojjaman, Md (Sabbrojjaman, Md.) | Tafsirojjaman, T. (Tafsirojjaman, T..)

Indexed by:

EI Scopus SCIE

Abstract:

Carbon fiber reinforced polymer (CFRP) has the advantages of lightweight, high strength and corrosion resis- tance. CFRP laminate is widely used in the reinforcement and rehabilitation of concrete and steel structures such as buildings, bridges, and tunnels. In this work, the structural arrangement of six kinds of orthotropic CFRP laminates that would suffer from bearing failure was determined with the help of a failure map. The bearing strength and failure mechanism of the specimens at the joint were studied through tensile bearing tests. Finally, a strength prediction model about the effect of bolt-hole size was established based on the Weibull distribution theory. The research results show that the bearing strength of the CFRP laminates is insignificantly affected by the thickness of the CFRP laminates, however, is greatly affected by the diameter of the bolt under the same thickness and lay-up form. The bearing strength of the CFRP laminates decreases with the increase in the diameter of the bolt hole. It is found that the specimen with a symmetrical layup shows a more obvious size effect compared to the specimen with an asymmetric layup. The model established based on the Weibull distribution theory can well predict the bearing strength of bolted-connected CFRP laminates with different diameters.

Keyword:

CFRP Weibull distribution Bearing strength Bolted-connected Size effect Laminate

Author Community:

  • [ 1 ] [Liu, Kaiquan]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Sabbrojjaman, Md]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Liu, Yue]Univ Sci & Technol Beijing, Res Inst Urbanizat & Urban Safety, Sch Civil & Resource Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China
  • [ 4 ] [Tafsirojjaman, T.]Univ Adelaide, Sch Civil Environm & Min Engn, Adelaide, SA 5000, Australia

Reprint Author's Address:

  • [Liu, Yue]Univ Sci & Technol Beijing, Res Inst Urbanizat & Urban Safety, Sch Civil & Resource Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China;;

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Source :

POLYMER TESTING

ISSN: 0142-9418

Year: 2022

Volume: 118

5 . 1

JCR@2022

5 . 1 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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