Effect Of Loss Of Bond On The Shear Behavior Of Short Reinforced Concrete Beam

Bond between concrete and reinforcement is the major factor for load transfer from thernbar to the concrete. The shear flow in reinforced concrete beams depends on the existencernof this bond. In this paper shear behavior of a reinforced concrete beam, with differentrnunbonding length, is studied. The effect of loss of bond on the shear capacity and the crackrnpattern of RC beam has been examined. In order to discover the ultimate shear strength,rnfour reinforced concrete beams with partially unbonded length were tested and simulatedrnwith Vector FormWork 4.3 software. The partially unbonded length were the parameter.rnResults from experiment and software showed that for the increment of unbonding length,rnthe ultimate shear capacity increases and the crack pattern varies. rnKeywords: Shear behavior, Partial length, Unbond

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