Abstract
An experimental work has been carried out to study the shear reinforced and shear deficient RC beams which are subjected to preloading and wrapping with CFRP sheets. Shear reinforced beams were wrapped with CFRP sheets and subjected to 0% and 50% preloading. Shear deficient beams were wrapped with CFRP sheets and subjected to 0, 50% and 70% of preloading. CFRP wrapped beams of shear reinforced (A2, A3) and shear deficient (B2 B3 B4) show substantial improvement in ductility and an increased ultimate load carrying capacity when compared to respective control beams. Due to preloading, ductility remains same with the marginal decrease in ultimate load carrying capacity when compared to respective 0% preloaded beam specimens. CFRP wrapping is found to be very effective in arresting initiation and development of cracks with and without preloading.
Published Version
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