Flexural behaviour of reinforced concrete beams reinforced with Glass Fibre Reinforced Polymer (GFRP) bars: experimental and analytical study

Sasikumar, P.; Manju, R.

doi:10.1007/s42107-024-01000-4

Cited by 4 publications

(1 citation statement)

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“…Kazemi et al (2021) researched the mechanisms of failure, ultimate load, deflection and crack widths of reinforced concrete beams having different ratios of GFRP reinforcement and different arrangements of lateral reinforcements. Sasikumar and Manju (2024) presented experimental and numerical study to examine the flexural behavior of concrete beams reinforced with GFRP bars. Maranan et al (2019) investigated the behavior of geopolymer concrete beams including hybrid GFRP and steel longitudinal bars.…”

Section: Introductionmentioning

confidence: 99%

Experimental and analytical research on geopolymer concrete beams reinforced with GFRP bars

Adakli,

Tokgoz,

Karaahmetli

et al. 2024

Preprint

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This paper presents the behavior of geopolymer concrete beams reinforced with glass fiber reinforced polymer (GFRP) bars. In the study, ordinary Portland cement concrete and geopolymer concrete beams having GFRP bars were prepared and tested under four-point loading. The load-deflection diagrams and load capacities of the tested beams were obtained. It was observed that the tested beams exhibited good ductility and significant deflection capacity. The results showed that increasing the tension GFRP reinforcement ratio caused enhancement in the strength capacity of geopolymer concrete beams. In addition, the tested beams were analyzed for load capacity and load-deflection responses. The theoretical load‒deflection curves and load bearing capacities have been predicted well with the test results. Parametric study has been performed to determine the influences of concrete strength, shear span to depth ratio (a/d) and reinforcement ratio on the behavior of geopolymer concrete beams longitudinally reinforced with GFRP bars. It was concluded that increasing concrete strength and reinforcement ratio led to an increase in load capacity, and increasing a/d ratio reduced the ultimate load value of GFRP reinforced geopolymer concrete beams.

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Section: Introductionmentioning

confidence: 99%