Buckling of Short Steel Columns

by Bojidar Yanev, Scientist; Inst. of Struct. Cybernetics, Sofia, Bulgaria; formerly, student, Dept. of Civ. Engrg. and Engrg. Mechanics, Columbia Univ., New York, N.Y.,
Atle Gjelsvik, Assoc. Prof.; Dept. of Civ. Engrg. and Engrg. Mechanics, Columbia Univ., New York, N.Y.,


Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 11, Pg. 2111-2128


Document Type: Journal Paper

Abstract: The inelastic stability of columns made of elastic-perfectly plastic-hardening materials is considered. Stable equilibrium positions are obtained for deflected columns compressed beyond the yield load. Theoretical relationships are obtained between the axial load, the lateral displacement, and the strains of idealized I columns, not sufficiently slender to buckle elastically. Buckling tests were performed on mild steel columns and the results compared to the theory. Conclusions are reached concerning the capacity of short columns to sustain loads beyond the yield load.

Subject Headings: Steel columns | Axial loads | Buckling | Load bearing capacity | Elastic analysis | Displacement (mechanics) | Lateral loads

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