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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: Equations for Designing Reinforced Concrete Rectangular and Flanged Sections According to ACI 318-83
Author(s): Domingo J. Carreira
Publication: Structural Journal
Appears on pages(s): 442-450
Keywords: compression; flanges; flexural strength; reinforced concrete; reinforcing steels; structural design; tension; Structural Research
Abstract:General design equations are presented for direct calculation of the required tensile reinforcement As in rectangular and flanged concrete sections. The effect of compression reinforcement A's, behaving elastically or yielding, is included. If A's is required, it may be precisely determined after a first assumption. Equations to determine the effective depth d and corresponding As in terms of the maximum allowable or the minimum required tensile reinforcement are also presented. These design equations eliminate the trial-and-error numerical solution or design aids needed when investigation equations are used for design. Examples illustrate the application of the equations and the uniqueness of the design and investigation processes discussed.
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