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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: Yield-Line Theory for the Ultimate Flexural Strength of Reinforced Concrete Slabs
Author(s): Eivind Hognestad
Publication: Journal Proceedings
Appears on pages(s): 637-656
Keywords: no keywords
Abstract:An outline is presented of the yield-line theory, a lastic theory for the prediction of reinforced concrete slabs, developed by K. W. Johansen. The theory is based on plastic behavior occuring in a pattern of yield lines, the location of which depends on load and boundary conditions. The ultimate flexural strength may be evaulated, even for complex slabs, with limited mathematical effort. The theoretical strengths obtained are in good agreement with experimental results, and generally on the safe side thereof. The use of the theory is illustrated by numerical examples.
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