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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: Reinforced Concrete T-Beams in Torsion and Bending
Author(s): P. D. Zararis and G. Gr. Penelis
Publication: Journal Proceedings
Appears on pages(s): 145-155
Keywords: beams (supports); bending; cracking (fracturing); flanges; reinforced concrete; strength; T-beams; torsion.
Abstract:An experimental investigation to study the effect of reinforced flanges on the torsional capacity of reinforced concrete T-beams is presented. Eighty-two T-beams with various flange widths and percentages of reinforcement were tested in combined torsion and bending to failure. Test results for cracking and ultimate moments show a great contribution of reinforced flanges to the torsional capacity of T-beams. The effect of reinforced flanges on the torsional capacity of T-beams has been found to be much greater than that considered by the existing codes. An effective flange width for both the ultimate and the cracking state is proposed. The testing program also served to help develop and verify an ultimate strength model.
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