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Title: Diagonal Tension Strength of Reinforced Concrete T-Beams with Varying Shear Span

Author(s): A. F. Al-Alusi

Publication: Journal Proceedings

Volume: 53

Issue: 5

Appears on pages(s): 1067-1077

Keywords: no keywords

Date: 5/1/1957

A study of the infhxnce of variations of shear span and percentage of longi-tudinal steel on mode of failure, cracking strength, and ultimate strength ol reinforced concrete T-beams without web reinforcement is reported. Emphasis was placed on beams with large shear spans. The 25 beams tested included only simple-span beams under two symmetrical concentrated loads. The influence of mesh reinforcement in the flange, and that of longitudinal compres-sion reinforcement was also investigated. For a shear span ratio (a/d) between 4.0 and 8.0, the ratios ultimate shearing stress to cylinder strength, and cracking shearing stress to cylinder strength, were for all practical purposes constant. For the same a/d range, a large increase in the steel area did not affect rithcr the ultimate shear-ing strength or the cracking strength.


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