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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: Shearing Strength of Reinforced Concrete Column Footings
Author(s): Eivind Hognestad
Publication: Journal Proceedings
Appears on pages(s): 189-208
Keywords: no keywords
Abstract:A re-evaluation of F. E. Richart's tests of column footings reported in 1948 shows that the use of present design methods, involving shearing stress at a distance d around the column perimeter, does not lead to a consistant factor of safety with respect to shearing failures. A shearing stress at a distance zero around the column was found to be a better measure of shearing strength. The ultimate value of this stress is given as a functionof concrete strength and the relative intensity of flexural loading combined with the shearing force. On this basis a new design approach is discussed with respect to the shearing strength of column footings.
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