Prolonging the service life of existing reinforced concrete slab bridges through experimental studies on the shear capacity

Conference paper (2013)

Authors

E.O.L. Lantsoght

C. Van der Veen

J.C. Walraven

Department

Structural Engineering () (TU Delft)

Experiments Shear Effective width Slab bridges Statistical evaluation Assessment practice Code extension

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Published Date

27-05-2013

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Source:

ICCS 13: 1st International Conference on Concrete Sustainability, Tokyo, Japan, 27-29 May 2013

Faculty

Civil Engineering and Geosciences

Department

Structural Engineering

Abstract

A large number of existing reinforced concrete slab bridges are found to be insufficient for shear when calculated according to the governing codes. Seeking improved methods, for example, based on new experimental evidence, to assess the residual shear capacity and prolonging their service life can avoid large economic, environmental and social costs. Experimental results are combined with Monte Carlo simulations to quantify the increase in shear capacity in slabs as a result of transverse load redistribution. As a result, a larger number of slab bridges can remain in service.

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