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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: Beam Shear Strength Prediction by Analysis of Existing Data
Author(s): Theodore C. Zsutty
Publication: Journal Proceedings
Appears on pages(s): 943-951
Keywords: beams (structural);cracking (fracturing);diagonal tension;regression analysis; reinforced concrete;shear;shear strength;statistical analysis.
Abstract:An empirical method which combines the techniques of dimensional analysis and statistical regression analysis is applied to existing sources of reinforced concrete beam shear test data. For beams with a/d above 2.5, the method has produced failure stress prediction equations of the form v = k ( f:pd/a )’ ’ 3 for both cracking and sudden diagonal tension shear. These equations have a low percentage of prediction error for a wide range of beam properties and test sources. The high, but variable, shear failure stress of short beams with a/d < 2.5 has a lower bound given by the slender beam prediction equations. Further, short lateral stub beams, without top and bottom load and support block pressures, appear to have slender beam behavior.
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