Abstract:ResumoThe Brazilian code, NBR 6118:2003, recommends the usage of truss models with strut angle variation (θ) and tie angle (α) for the concrete beams design subjected to bending and shear force. This code allows the designer to choose between two design models of the shear steel: The model I, where the strut angle has the value of 45º and the portion of shear force resisted by the concrete V c has a constant value, and the model II, where the strut angle varies from 30º to 45º, with V c varying in function of … Show more
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