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Author:

Ban, Fuli (Ban, Fuli.) | Ka, Thierno Aliou (Ka, Thierno Aliou.) | Peng, Yanze (Peng, Yanze.) | Guan, Shuai (Guan, Shuai.) | Sun, Jiahui (Sun, Jiahui.) | Liu, Yue (Liu, Yue.) | Qin, Kaiqiang (Qin, Kaiqiang.) | Fu, Baiyong (Fu, Baiyong.) | Noor-E-Khuda, Sarkar (Noor-E-Khuda, Sarkar.) | Tafsirojjaman, T. (Tafsirojjaman, T..)

Indexed by:

EI Scopus SCIE

Abstract:

Extensive research has been performed on the tensile properties of carbon fibre-reinforced polymer (CFRP) material used in both standalone and rehabilitation applications. Limited knowledge and design guidelines exist on the flexural behaviour of CFRP cable strands (herein strand) and reinforcing bars. This knowledge gap hinders the widespread use of strands and CFRP bars in prestressed structures and restricts their market share compared to reinforcing steel members. To address this gap, this study investigates the flexural behaviour of CFRP strands and reinforcing bars using a combination of experimental and numerical methods. A standard three-point bending test is employed to measure the flexural strength and ultimate curvature radius of strands and bars. The experimental study included strands of diameters 10.2 mm and 15.2 mm, and CFRP bars of diameters 9 mm, 12 mm, and 14 mm. Finite element analysis has been conducted to further investigate the flexural performance and failure mechanisms of the specimens. The test results indicate that the ultimate bending radius of the strands is approximately one-half of that of the bar, while their ultimate bending strength surpasses the bars by at least 10 %. Optimal lay lengths for the 10.2 mm and 15.2 mm cable strands are proposed based on the simulation results.

Keyword:

CFRP bar CFRP strand Finite element analysis Flexural properties Three-point bending test

Author Community:

  • [ 1 ] [Ban, Fuli]Guangxi Xingang Transportat Investment Co Ltd, 555 Nanzhu East St, Shabu Town, Qinnan Dist, Guang, Qinzhou, Peoples R China
  • [ 2 ] [Peng, Yanze]Guangxi Xingang Transportat Investment Co Ltd, 555 Nanzhu East St, Shabu Town, Qinnan Dist, Guang, Qinzhou, Peoples R China
  • [ 3 ] [Ka, Thierno Aliou]Univ Sci & Technol Beijing, Res Inst Urbanizat & Urban Safety, Sch Civil & Resource Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China
  • [ 4 ] [Liu, Yue]Univ Sci & Technol Beijing, Res Inst Urbanizat & Urban Safety, Sch Civil & Resource Engn, 30 Xueyuan Rd, Beijing 100083, Peoples R China
  • [ 5 ] [Guan, Shuai]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Pingleyuan Rd 100, Beijing 100124, Peoples R China
  • [ 6 ] [Sun, Jiahui]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Pingleyuan Rd 100, Beijing 100124, Peoples R China
  • [ 7 ] [Qin, Kaiqiang]CCCC Highway Bridges Natl Engn Res Ctr Co Ltd, 85 Deshengmenwai St, Beijing 100120, Peoples R China
  • [ 8 ] [Fu, Baiyong]CCCC Highway Bridges Natl Engn Res Ctr Co Ltd, 85 Deshengmenwai St, Beijing 100120, Peoples R China
  • [ 9 ] [Noor-E-Khuda, Sarkar]Cent Queensland Univ, Sch Engn & Technol, Melbourne, Vic 3000, Australia
  • [ 10 ] [Tafsirojjaman, T.]Univ Adelaide, Sch Architecture & Civil Engn, Adelaide, SA 5005, Australia

Reprint Author's Address:

  • [Tafsirojjaman, T.]Univ Adelaide, Sch Architecture & Civil Engn, Adelaide, SA 5005, Australia;;

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Source :

POLYMER TESTING

ISSN: 0142-9418

Year: 2025

Volume: 142

5 . 1 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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