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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: Reinforced Concrete Column Design Equations
Author(s): Bekele Mekonnen
Publication: Journal Proceedings
Appears on pages(s): 242-250
Keywords: approximation;columns(supports);limit state design; reinforced concrete; strength method;structural design.
Abstract:Simple approximate equations for the design of rectangular and circular columns are proposed based on a study of dimensionless load-moment- interaction charts, aimed at deriving closed form equations closely approximating the charts. The resulting proposed equations achieve this aim and may therefore be used, instead of interaction charts, for the design of columns. The fact that the equations are presented in closed form also enables applications outside routine design. The equations are applicable to both the ACI and CEB approaches of strength design, as well as to the alternate design method of A CI Standard 318-77. A design example is presented in the Appendix to demonstrate the advantages of using the proposed equations. Finally, a proposal is made that allows use of the same interaction charts by ACI and CEB.
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