Structural Engineering and Mechanics

  • 제88권6호
  • /
  • Pages.599-608
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  • 2023
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Numerical investigations of reinforcement concrete beams with different types of FRP bars

  • Azza M. Al-Ashmawy (Structural Engineering Department, Faculty of Engineering, Zagazig University) ;
  • Osman Shallan (Structural Engineering Department, Faculty of Engineering, Zagazig University) ;
  • Tharwat A. Sakr (Structural Engineering Department, Faculty of Engineering, Zagazig University) ;
  • Hanaa E. Abd-EL-Mottaleb (Structural Engineering Department, Faculty of Engineering, Zagazig University)
  • 투고 : 2021.03.24
  • 심사 : 2023.11.03
  • 발행 : 2023.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

The present study is focused on instigation of the nonlinear mechanical behavior of reinforced concrete beams considering different types of FRP bars through nonlinear finite element simulations. To explore the impact of the FRP reinforcement type and geometry on the nonlinear mechanical behavior of reinforced beam, intensive parametric studies are carried out and discussed. Twenty models were carried out based on the finite element software (ABAQUS). The concrete damage plasticity model was considered. Four types of fiber polymer bars, CFRP, GFRP, AFRP and BFRP as longitudinal reinforcement for concrete beam were used. The validation of numerical results was confirmed by experimental as well as numerical results, then the parametric study was conducted to evaluate the effect of change in different parameters, such as bar diameter size, type of FRP bars and shear span length. All results were analyzed and discussed through, load-deflection diagram. The results showed that the use of FRP bars in rebar concrete beam improves the beam stiffness and enhance the ultimate load capacity. The load capacity enhanced in the range of (20.44-244.47%) when using different types of FRP bars. The load-carrying capacity of beams reinforced with CFRP is the highest one, beams reinforced with AFRP is higher than that reinforced with BFRP but beams reinforced with GFRP recorded the lowest load of capacity compered with other beams reinforced with FRP Bars.

키워드

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