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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: Minimum Flexural Reinforcements of High-Strength Concrete Beams
Author(s): Faisa F. Wafa and Samir A Ashour
Publication: Special Publication
Appears on pages(s): 549-572
Keywords: Beams (supports); cracking (fracturing); deflection; ductility; flexural
strength; high-strength concretes; reinforced concrete; stresses; strains
Abstract:This paper presents experimental results of 20 high-strength concrete beams tested in flexure to examine the minimum flexural reinforcement requirement. The variables are the flexural reinforcement ratio and the concrete compressive strength. The flexural reinforcement ratio ranges from 0.21 to 0.88%, and the 28 day concrete compressive strength ranges from 45 to 90 MPa. The test results are compared with the minimum reinforcement ratios of both the AC1 318-89 and 318-95 Codes.
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