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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: Long-Hinged Reinforced Concrete Columns
Author(s): Wen F. Chang and Phil M. Ferguson
Publication: Journal Proceedings
Appears on pages(s): 1-26
Abstract:Theoretical analvses are oresented in this study for both eccentricatly and concentrically loaded, long reinforced concrete columns under short-time load. The treatment of concentrically loaded columns is based on von Karman’s theory and Hoanestad’s stress-strain relationshio for concrete. Separate equations are derived and plotted for column moment and for load, each in terms of edge strains. By correlation between these curves, moment-versus-edge-strain curves are then plotted for specific values of column load. For a given critical column load, the deflected shape and length and the end slope of the deflected column are next determined by numerical integration versus-edge-strain curve. The eccentrically utilizes a bortion of the same solution. of the moment-loaded column the confirm this numerical method six columns were tested. test results agree reasonably with the theoretical curves.
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