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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: Design Curves for Long Reinforced Concrete Columns
Author(s): Thomas C. Edwards and Phil M. Ferguson
Publication: Journal Proceedings
Appears on pages(s): 751-762
Keywords: column, design, long column, reinforced concrete.
Abstract:The 1963 ACI Code specifies load reduction factors for long columns that are dependent on their deflected shape and flexibility (h/r ratio) and a strength reduction factor. In design the choice of the governing Code provision isnot readily apparent and, even without sidesway, two loadings must be considered. The Code further specifies that members with small com-pressive load may be designed for bending alone. This clause introduces the problem of determining the point where the design for axial load and bending becomes less economical than for moment alone, The chart developed here enables the designer to compare the several cases and to quickly determine the final design in one operation.
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