Abstract

Small scale reinforced concrete specimens subjected to cyclic loading were tested at rates varying from 0.0025 to 2.0 Hz to investigate the effects of several variables including loading rate, shear-span-to-depth ration a/d, and stirrup spacing. This study's primary objective was to investigate the rate effect of cyclic loading on bond in reinforced concrete structures. Several different parameters such as stiffness degradation, energy dissipation, failure mode, strain and bond-stress distributions along the bar were examined to evaluate the differences due to the rate of loading.

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