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        FRP as Strengthening Material for Reinforced Concrete Beams with Openings - A Review

        Siew Choo Chin,Nasir Shafiq,Muhd Fadhil Nuruddin 대한토목학회 2015 KSCE JOURNAL OF CIVIL ENGINEERING Vol.19 No.1

        This paper presents the review of studies performed to investigate the behavior of Reinforced Concrete (RC) beams containingdifferent types of openings. For the last 4 decades, research works involved the investigation of the member strength anddevelopment of the design approach for simply supported, continuous and T-beams containing large rectangular openings subjectedto torsion, bending and shear forces. The proposed design method suggested the installation of diagonal steel reinforcement barsaround the opening for providing the required strength. In recent years, Fiber Reinforced Polymers (FRP) have been widely used asan external bonded reinforcement system for upgrading and retrofitting of concrete structures. FRP as externally bondedreinforcement mainly used to repair and retrofit the damaged reinforced concrete member. However, very limited studies showed theapplication of the FRP laminates as external reinforcement around openings. Therefore, further investigations regarding theapplication of FRP laminates to strengthen the large openings in reinforced concrete members are very vital.

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