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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 100
PROCEEDINGS OF THE EIGHTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY Edited by: B.H.V. Topping
Paper 28
A Study on the Shear Behaviour of Reinforced Concrete Beams Embedded with Glass Fibre Reinforced Polymer Plates J.H. Choi, M.S. Kim, Y.H. Lee, D.J. Kim and H.C. Kim
Department of Architectural Engineering, Kyung Hee University, Yongin City, Gyeonggi-do, Korea J.H. Choi, M.S. Kim, Y.H. Lee, D.J. Kim, H.C. Kim, "A Study on the Shear Behaviour of Reinforced Concrete Beams Embedded with Glass Fibre Reinforced Polymer Plates", in B.H.V. Topping, (Editor), "Proceedings of the Eighth International Conference on Engineering Computational Technology", Civil-Comp Press, Stirlingshire, UK, Paper 28, 2012. doi:10.4203/ccp.100.28
Keywords: glass fibre reinforced polymer, stirrup, plate, reinforced concrete beam.
Summary
Fiber reinforced polymer (FRP) has been widely used as a substitute for steel reinforcement in reinforced concrete (RC) structures or to retrofit existing structural members because of its high tensile strength and anti-corrosive characteristics. Most of FRP products are designed to enhance the flexural strength of structural members in the form of FRP rebars and sheets. In this paper, a new type of glass fibre reinforced polymer (GFRP) plate with openings is proposed to improve the shear strength of RC beams and its effectiveness was experimentally examined. In total, six specimens were manufactured by embedding the proposed GFRP plates into concrete beams with steel longitudinal reinforcement instead of typical steel stirrups. All the test specimens had the shear span ratio of 2.8 and the test variables include the sectional area of the GFRP plate and its width and thickness. The test results indicate that the RC beams with the proposed GFRP shear reinforcement can retain the shear strength approximately up to 3.5 times higher than those with conventional steel stirrups while the shear strength increases as the width of the GFRP plate increase.
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