STRENGTH AND DEFORMABILITY OF LOW STRENGTH CONCRETE CONFINED BY CARBON FIBER COMPOSITE SHEETS

Abstract eng:
Low concrete quality and lack of adequate confinement reinforcement are among most common deficiencies for existing reinforced concrete structures. These deficiencies may cause structural damage leading to the collapse of structures during earthquakes due to insufficient compressive strength and deformability. To overcome these problems, the concrete members that suffer from low quality of concrete or lack of adequate confinement can be wrapped by fiber reinforced polymer (FRP) composites. These wraps can provide passive lateral pressure that results with enhancement in compressive strength and deformability of the member. In this study, 12 low strength (f′c :

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