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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: Use of Stirrup Effectiveness in Shear Design of Concrete Beams
Author(s): Andrew G. Mphonde
Publication: Structural Journal
Appears on pages(s): 541-545
Keywords: beams (supports); cracking (fracturing); limit state design; reinforced concrete; reinforcing steels; shear strength; stirrups; structural design; Design
Abstract:Presents a procedure that uses stirrup effectiveness in the shear design of reinforced concrete beams. The procedure uses the current ACI Building Code approach but takes into account the apparent enhancement of stirrup contribution to the shear capacity of reinforced concrete beams due to stirrup dowel action, which is not currently addressed by the ACI Building Code. Comparisons are made between ACI and British Standards Institution code approaches to shear design, as well as to a proposed stirrup effectiveness method. Results based on tests done at the University of Connecticut are presented, which show that the proposed method produces a design which is an improvement over the current ACI Building Code provisions.
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