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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: Resistance to Shear of Reinforced Concrete Beams
Author(s): A. M. Neville and J. Taub
Publication: Journal Proceedings
Appears on pages(s): 443-464
Abstract:The fallacy of the truss analogy in the design of web reinforcement consisting of bent-up bars is discussed. It is shown that after the bent-up bars have yielded a redis- tribution of internal forces takes place and the beam can take a considerable increase in load before failure occurs. The spacing of bent-up bars is discussed, and for full protection from shear failure a limiting value of 2d (I - k), measured along the axis of the beam, is suggested. The influence of the cross-sectional area of bent-up bars and the contribution of beam elements to its shear resistance are studied. From tests on beams subiected to uniformly distributed and nonsymmetrical loads, it is concluded that the provision of bent-up bars in zones of maximum shear only is inadequate. The influence on shear strength of anchorage and cutoff of the tension steel are mentioned.
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