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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Shear Design Procedure for Reinforced and Prestressed High- and Normal-Strength Concrete Beams
Author(s): A. Cladera and A.R. Mari
Publication: Special Publication
Appears on pages(s): 651-668
Keywords: high-strength concrete; reinforced and prestressedconcrete; shear strength; size effect; structural design; stirrups
Abstract:In the last decades, a large number of experimental campaigns on the behaviour of high-strength reinforced and/or prestressed concrete beams failing in shear have been published. With the aim of taking into account this large amount of information and to re-evaluate the current codes of practice an extensive research was performed. New expressions are proposed for the design of high and normal-strength reinforced and prestressed concrete beams. For beams with web reinforcement, the procedure is based on a truss model with variable angle of inclination of the struts plus a concrete contribution. The angle is obtained by compatibility, based on the MCFT, and it is able to predict the interaction with axial load, bending and torsional moment. Different databases published after the development of this procedure are used to test the ability of this proposal. It correlates with the empirical tests better than any current code of practice does.
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