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RC Beams Behavior Retrofitted by FRP Subjected to Torsion, Shear and Flexure ? a Review


Ahad Amini Pishro1, Xiong Feng


Vol. 17  No. 2  pp. 34-49


Many reinforced concrete bridges and structures around the world are currently in need of repair or complete replacement as they approach the end of their service life. Increases in traffic volume, traffic loads, and corrosion-induced deterioration are necessitating significant expenditures to strengthen and rehabilitate existing structures [1]. Fiber Reinforced Polymer (FRP) as an external reinforcement is used extensively to address the strength requirements related to torsion, shear and flexure in structural systems. The noncorrosive properties and high strength-to-weight ratio of FRP materials make them a very viable repair material and can result in longer service life of structures [1]. Researches have shown that the RC beams retrofitted by FRPs, have more strength in crack and can carry more load and displacement. In this paper, the behavior and performance of reinforced concrete beams strengthened with externally bonded FRP sheets subjected to torsion, shear and flexure are presented.


Reinforced Concrete Beam, Fiber Reinforced Polymer, Crack, displacement