Abstract
In order to account for the strut action in point loaded deep beams, TS500-2000 allows use of simple shear strength equations instead of more refined models. According to TS500, when the clear span-to-depth ratio, ln/d is less than 5, the shear strength of deep beams containing both vertical and horizontal shear reinforcement can be calculated by a simple expression which accounts for the effect of web reinforcements along with the clear span-to-depth ratio, ln/d. In this study, the accuracy and conservativeness of the shear strength equations for deep beams in the TS500-2000 are evaluated. ACI-DAfStb evaluation database of shear tests on point loaded simply supported reinforced concrete members with vertical and horizontal shear reinforcement, is used for this purpose. Based on the results obtained, recommendations are made to improve the accuracy of TS500-2000 sectional shear design equations.
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