Long-Hinged Reinforced Concrete Columns


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Title: Long-Hinged Reinforced Concrete Columns

Author(s): Wen F. Chang and Phil M. Ferguson

Publication: Journal Proceedings

Volume: 60

Issue: 1

Appears on pages(s): 1-26


Date: 1/1/1963

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.