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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): J. Taub and A. M. Neville
Publication: Journal Proceedings
Appears on pages(s): 315-336
Abstract:The redistribution of internal forces following the yield of stirrups in a simply supported reinforced concrete beam is described, and it is shown that after the stirrups have yielded the shear strength of a beam depends on the re- sistance of the compression zone above the diagonal ten- sion crack and the tension zone at the lower end of the crack. Thus the shear strength of a beam is not proportional to the amount of web reinforcement; this is discussed in considerable detail. The second role of the stirrups in the shear resistance of a beam is their ability to resist the splitting of the beam along the tension steel, for this an effective restraint of the tension steel by the stirrups is essential. Different types of shear failure are described as well as the influence of various factors on the behavior of reinforced concrete beams failin in shear. Tests at the University of Manchester show the higher strength in shear of T- and L-beams compared with rectangular beams. The influence of cutoff of the tension steel on the shear strength of simply supported beams is described. Suggestions are made on the provision of vertical stirrups in simply sup-ported reinforced concrete beams.
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