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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Behavior and Strength of Concrete L-Beams
Under Combined Torsion and Shear
Author(s): Ugur Ersoy and Phil M. Ferguson
Publication: Journal Proceedings
Appears on pages(s): 793-801
Keywords: (structural); bending; cracking (fracturing); L-beams; reinforced concrete; research; shear; stiffness; stresses torsion ultimate strength method (structural).
Abstract:Twenty-five small semicontinuous reinforced concrete L-beams without stirrups were tested under combined torsion, shear, and flexure. The test program was designed to study the effect of percentage of longitudinal steel, flange width and eccentricity of loading on both behavior and strength. Ultimate strength was greatly influenced by the eccentricity. Even small torques decreased the capacity of test specimens; beams with smaller flanges suffered more reduction in capacity. The percentage of longitudinal steel influenced the ultimate load capacity of specimens tested under small eccentricities. At high eccentricities the effect of longitudinal steel was not significant.
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