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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: Studies of the Shear and Diagonal Tension Strength of Simply Supported
Reinforced Concrete Beams
Author(s): William J. Krefeld and Charles W. Thurston
Publication: Journal Proceedings
Appears on pages(s): 451-476
Keywords: beam;cracking;diagonal tension;dowel;failure;longitudinal steel;mechanism; reinforced concrete;research;shear strength;stirrup.
Abstract:This investigation, involving the testing of over 200 reinforced concrete beams subjected to concentrated and distributed loads, contributes useful data on shear resistance. Observations and conclusions are based on the effects of the primary variables of test, namely, concrete strength, steel ratio, span length, und two types of loading on simply supported beams with and without stirrups. Formulas for estimating the critical shear intensity in terms of known parameters and empirically determined constants are developed from an hypothesis of the mechanism of shear failure which was presented in an earlier paper. Information is given on the reserve strength of some beams beyond the critical shear intensity.
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