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Title: Shear Strength of Reinforced Concrete Beams

Author(s): Boris Bresler and A. C. Scordelis

Publication: Journal Proceedings

Volume: 60

Issue: 1

Appears on pages(s): 51-74


DOI: 10.14359/7842

Date: 1/1/1963

The general behavior, observed in the tests of cracking especially roads, and designed strength series of 12 beams are discussed. The tests were designed to provide needed data regarding the shear strength of beams having normal to low percentages of web reinforcement (rf,, = 0 , 5 0 , 7 5 , 1 0 0 ) ratios (n/d = 4, 5, 7). and normal to high shear span Experimental values of strength are compared with calculated values using an empirical equation based on previous test data. Nine of the 12 beams failed in shear and developed strengths from approximately 30-50 percent greater than the calculated values. The remaining three beams failed in flexure and developed strengths in excess of both the calculated flexural and shearing capacities. A simplified equation is proposed as adequately predicting the shear strength of beams of normal proportions.


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