Abstract
In this study the shear behavior of reinforced concrete wide beams was experimentally investigated the experimental program consisted of four wide beams of 30 MPa of concrete Compressive strength tested with a shear span-depth ratio (a / d) of 2.77. One of the tested wide beams Design according to the ACI code for maximum spacing of shear reinforcement normal beam (d/2), and the other three specimens designed for spacing (0.75 d,0.81 d, 1.0 d) Respectively. The flexure failure mode was secured to allow for shear failure mode for all specimens. The main parameters covered during this study were the effect of spacing shear reinforcement on shear capacity of the wide beams tested. The study showed that there is no significant effect of divergence on shear strength. The decrease of shear capacity ranged from 1.5 % to 8.85 % For the range of beams tested as compared to the control beam.
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