INFLUENCE OF COMPRESSIVE STRESS ON SHEAR FORCE DISTRIBUTION IN BRIDGE DECK SLABS

Abstract eng:
Shear resistance is a long-term problem of reinforced concrete structures. It is also one of the decisive checks for bridge deck slabs assessment. In contrast with bending failure (which is ductile), the shear failure is brittle, which makes it even more dangerous and therefore undesirable. This paper deals with concentrated loads acting on a bridge deck slab and their transverse distribution to the support. The main focus is laid on the question whether compression force (either caused by prestressing or by the compression in the top parts of the cross section under bending moment) has any influence on the distribution of shear forces in a bridge deck slab.

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