Effect of Concrete Strength, Arrangement/Ratio of Reinforcement on Flexural Behavior and Cracking of Concrete Beams Reinforced with GFRP Bars

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Mohtaj Khorasani A.M.; ESFAHANI MOHAMMAD REZA

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Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2020 | Volume:7 | Issue:1 (30) Page(s): 88-107

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Information Journal Paper

Title

Effect of Concrete Strength, Arrangement/Ratio of Reinforcement on Flexural Behavior and Cracking of Concrete Beams Reinforced with GFRP Bars

Author(s)

Mohtaj Khorasani A.M. | ESFAHANI MOHAMMAD REZA | Issue Writer Certificate

Keywords

RC BeamsQ2

Flexural BehaviorQ1

CrackingQ2

GFRP Reinforcing BarsQ1

Concrete StrengthQ1

Bars ArrangementQ1

Reinforcement RatioQ1

Abstract

Fiber reinforced polymers (FRP) are the safe alternatives to steel bars in reinforced concrete members in a humid environment. They have a very high durability against corrosion, especially in the extreme weather conditions. As a result of the low modulus of elasticity of these bars compared to the steel bars, the deflection and crack width are high in the beams reinforced with these bars. In this paper, the Flexural Behavior and Cracking of concrete beams reinforced with GFRP bars are investigated. Twelve reinforced concrete beams with the cross-section of 250 250 mm and length of 2200 mm were manufactured and tested in a four-point bending setup. Eight beams were made with low Reinforcement Ratio, 4 of which were made of high-strength concrete and 4 were made of normalstrength concrete. In addition, 4 other beams were made with high Reinforcement Ratio made of normal-strength concrete. The parameters studied in this research are Concrete Strength, tensile Bars Arrangement and Reinforcement Ratio. The results show that the change in the strength of concrete as well as the change in the arrangement of tensile bars and Reinforcement Ratio lead to a change in the Flexural Behavior of the beams and also affect the Cracking. Moreover, the experimental results are compared with the values predicted by ACI440. 1R code.

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APA: Copy

Mohtaj Khorasani, A.M., & ESFAHANI, MOHAMMAD REZA. (2020). Effect of Concrete Strength, Arrangement/Ratio of Reinforcement on Flexural Behavior and Cracking of Concrete Beams Reinforced with GFRP Bars. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 7(1 (30) ), 88-107. SID. https://sid.ir/paper/398755/en

Vancouver: Copy

Mohtaj Khorasani A.M., ESFAHANI MOHAMMAD REZA. Effect of Concrete Strength, Arrangement/Ratio of Reinforcement on Flexural Behavior and Cracking of Concrete Beams Reinforced with GFRP Bars. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2020;7(1 (30) ):88-107. Available from: https://sid.ir/paper/398755/en

IEEE: Copy

A.M. Mohtaj Khorasani, and MOHAMMAD REZA ESFAHANI, “Effect of Concrete Strength, Arrangement/Ratio of Reinforcement on Flexural Behavior and Cracking of Concrete Beams Reinforced with GFRP Bars,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 7, no. 1 (30) , pp. 88–107, 2020, [Online]. Available: https://sid.ir/paper/398755/en

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