Abstract
The present study aims at investigating the cyclic flexural behavior of GFRP Strengthened RC Beams. For flexural Strengthening of RC beams, a total of fifty-four beams with bonded GFRP strips (600GSM) in varying Length, Width, and different Layers. Three beams without Strengthening (control beam) under cyclic loading. Cyclic loading is the function of incremental Push and Pull Load. Each beam was tested under reversed cyclic loading tested under a two-point loading system. GFRP is a material that has high tensile strength, good ductility, lightweight, so easy to mobilize, making GFRP an option for structural improvement. The test specimens were assessed in terms of load displacement and cracking pattern. The experimental results show that an increase strengthened RC beam load carrying capacity is observed to be in the range of 0 % to 25% for forwarding loading (Positive load) and 33.33 % to 66.66% for reverse loading (Negative load) and deflection is increased in the range 10.55% to 88.68% for forwarding loading (Positive load) and 17.73 % to 157.44% for reverse loading (Negative load) as compared to the control beam.
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