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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: Short Term Deformation of Reinforced Concrete Beams
Author(s): B. Johnston
Publication: Special Publication
Appears on pages(s): 225-248
Keywords: beams (supports); bending moments; computation; cracking (fracturing); deflection; deformation; flexural strength; moment-curvature relationship; reinforced concrete; stiffness; tensile strength
Abstract:A simplified method of computing the moment-curvature relationships for beams subject to flexure is presented which enables the non-linear behaviour of concrete in compression and the stiffening effect of the tensile zone between cracks to be taken into account. A means of calculating deflections and rotations from the computed moment curvature is shown to be straightfoward in application and of acceptable accuracy.
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