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Author:

Deng, Zong-Cai (Deng, Zong-Cai.) (Scholars:邓宗才) | Kan, De-Xin (Kan, De-Xin.) | Zhai, Yan-Zhi (Zhai, Yan-Zhi.)

Indexed by:

EI Scopus PKU CSCD

Abstract:

Based on the experiment of concrete circular columns confined by hybrid fiber sheets of carbon FRP (CFRP) sheet, aramid FRP (AFRP) sheet, glass FRP (GFRP) sheet, fiber reinforced Basalt polymer (BFRP) sheet under axial compression, this paper analyzes failure configuration, bearing capacity, peak strain and stress-strain curve. Experimental results show that: 1) Comparing with the specimen without being confined, bearing capacity of specimens confined by 1C/1G, 1C/1B and 1A/1B improves 154%, 134% and 140% respectively, peak strain improves 393%, 363% and 476% respectively; 2) Bearing capacity of specimens confined by 1C/2G, 1C/2B and 1A/2B improves 187%, 190% and 170% respectively, peak strain is improving 567%, 511%and 574% respectively; 3) Bearing capacity of specimens confined by 2C/1G, 1C/1A/1G and 1C/1B/1G improves 245%, 233% and 157% respectively, peak strain improves 649%, 581% and 426% respectively; 4) Based on experimental data, confining coefficient is presented to be 3.1; 5) A tri-linear model is presented to predict the stress-strain response of concrete circular columns confined by HFRP. The theoretical curves agree well with the experimental data.

Keyword:

Bearing capacity Basalt Fiber reinforced plastics Reinforcement Bearings (machine parts) Mechanical properties Axial compression Fiber reinforced concrete Stress-strain curves

Author Community:

  • [ 1 ] [Deng, Zong-Cai]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Kan, De-Xin]Civil Department, China Huan Qiu Contracting and Engineering Corp, Beijing 100029, China
  • [ 3 ] [Zhai, Yan-Zhi]Beijing 1st Quality Inspection Institute of Construction Engineering, Beijing 100039, China

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Source :

Journal of Beijing University of Technology

ISSN: 0254-0037

Year: 2009

Issue: 2

Volume: 35

Page: 197-205

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: 9

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