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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2013 Vol.5(5): 593-598 ISSN: 1793-8236
DOI: 10.7763/IJET.2013.V5.624

Shear Capacity of Non-Metallic (FRP) Reinforced Concrete Beams with Stirrups

Noor Azlina Abdul Hamid, Rendy Thamrin, and Azmi Ibrahim
Abstract—This study presents test results of simply supported concrete beams longitudinally reinforced either by steel or glass fiber-reinforced polymer (GFRP). A total of sixteen large-scale concrete beams with steel stirrups were constructed and tested under four-point monotonic loading until failure. Half of the beams were longitudinally reinforced with GFRP bars, while the other half was reinforced with conventional steel bars as control specimens. To examine the shear behavior of the GFRP reinforced concrete (RC) beams, the main parameters investigated in the study included shear span-effective depth ratios, longitudinal reinforcement ratios and stirrup ratios. Two modes of failure, namely flexure and shear were observed. Due to low modulus elasticity of FRP bars, it was found that lesser shear strength resulted in concrete beams reinforced with GFRP bars compared to beams reinforced with steel bars. Moreover, the influence of the shear span-effective depth ratios and longitudinal reinforcement ratios significantly affect the distribution of internal forces in GFRP reinforced concrete beams. The test results correlated well with the prediction values provided by standard codes and design guidelines except in the case of GFRP reinforced concrete beams failed on shear.

Index Terms—Concrete beams, Glass fiber-reinforced polymer, shear, stirrup

N. A. Abdul Hamid was with the Faculty of Civil and Environmental Engineering, University Tun Hussein Onn Malaysia, Batu Pahat, Johor. She is now with the Faculty of Civil Engineering, University Teknologi Mara, Shah Alam, Selangor as a Ph.D. student (e-mail: azlinah@uthm.edu.my).
R. Thamrin was with University Tun Hussein Onn Malaysia, Batu Pahat, Johor. He is now with the Faculty of Civil Engineering, University Andalas, Padang, Indonesia (e-mail: rendy@ft.unand.ac.id).
A. Ibrahim is with the Faculty of Civil Engineering, University Teknologi Mara, Shah Alam, Selangor (e-mail: azmii716@yahoo.com).

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Cite:Noor Azlina Abdul Hamid, Rendy Thamrin, and Azmi Ibrahim, "Shear Capacity of Non-Metallic (FRP) Reinforced Concrete Beams with Stirrups," International Journal of Engineering and Technology vol. 5, no. 5, pp. 593-598, 2013.

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