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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: New Code Provisions for Long Term Deflection Calculations
Author(s): R. H. Scott and A. W. Beeby
Publication: Special Publication
Appears on pages(s): 119-132
Keywords: codes and standards; deflection control; structural concrete
Abstract:Current code provisions for deflection calculations in reinforced concrete beams and slabs are discussed. A comprehensive series of laboratory tests to investigate long term tension stiffening effects is summarised, results from which indicated that tension stiffening decays much more rapidly than was previously understood. Revised code provisions are proposed based on this finding.
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