Abstract

The problem of shear capacity of reinforced concrete members has engaged the attention of many researchers. Despite this, it has not yet been understood fully because of the fact that the behaviour of concrete structures under variable stresses is very complex. Moreover, little information is available regarding both the shear stress contribution of different elements and the failure mode mechanisms of high strength reinforced concrete (HSRC) members. In this paper an attempt has been made to discuss in some detail these aspects in the context of high strength reinforced concrete beams. In addition, new expressions have been developed to predict the ultimate shear stress of high strength reinforced concrete beams.

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