Article (Scientific journals)
Effects of the Concrete Strength and FRP Reinforcement Type on the Non-Linear Behavior of Concrete Deep Beams
Kazemi, Mostafa; Daneshfar, Mohammad; Zandi, Yousef et al.
2022In Sustainability, 14 (7), p. 1-29
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Keywords :
FE analysis; non-linear behaviour; web longitudinal reinforcement; GFRP and CFRP rebars; concrete strength
Abstract :
[en] To provide sustainable reinforced concrete deep beams, the replacement of steel rebars by FRP rebars with high-chemical resistance is proposed by researchers. However, the effects of the concrete strength, top and web longitudinal reinforcements, and types of FRP flexural rebars on the non-linear performance of concrete deep beams have rarely been evaluated. This study numerically assessed the effects of the top and web longitudinal reinforcements and concrete strength on the non-linear behaviour of GFRP- and CFRP-strengthened concrete deep beams with various shear span-to-overall depth (a/h) ratios. As per the results, the highest tensile stress was obtained for the steel reinforcement, and the tensile stress in the CFRP reinforcement was more than that of the GFRP reinforcement under the failure load. Meanwhile, the results of high- and normal-strength concrete deep beams with the web reinforcement (16.4%) were lower than those without the web reinforcement (22.3%). Therefore, the web reinforcement moderately compensated for the low strength of normal concrete and the absence of the top longitudinal rebar to reinforce concrete deep beams in carrying the ultimate load. Furthermore, the participation of the GFRP reinforcement with the high-strength concrete was more than that with the normal-strength concrete in carrying a higher amount of loading.
Disciplines :
Civil engineering
Author, co-author :
Kazemi, Mostafa  ;  Université de Liège - ULiège > Département ArGEnCo
Daneshfar, Mohammad;  Deylaman Institute of Higher Education > Department of Civil Engineering
Zandi, Yousef;  Islamic Azad University > Department of Civil Engineering
Sadighi Agdas, Alireza;  Ghateh Gostar Novin Company
Yousefieh, Negin;  University of Tehran > Department of Civil Engineering
Mohammadifar, Leili;  Islamic Azad University > Faculty of Architectural Engineering
Rahmani, Aida;  Western Sydney University > Centre for Infrastructure Engineering
Saberian, Mohammad;  RMIT University > School of Engineering
Mamdouh, Amr;  Future University in Egypt > Architectural Department, Faculty of Engineering and Technology
Khadimallah, Mohamed Amine;  Prince Sattam Bin Abdulaziz University > Civil Engineering Department, College of Engineering
Li, Jie;  RMIT University > School of Engineering
Language :
Title :
Effects of the Concrete Strength and FRP Reinforcement Type on the Non-Linear Behavior of Concrete Deep Beams
Publication date :
30 March 2022
Journal title :
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI), Basel, Switzerland
Volume :
Issue :
Pages :
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 April 2022


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