Interaction Buckling in I-Section Columns

by Gregory J. Hancock, Sr. Lect. in Civ. Engrg.; Univ. of Sydney, New South Wales, 2006, Australia,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 1, Pg. 165-179

Document Type: Journal Paper


The interaction between local and Euler buckling in an imperfect I-section column produces an adverse effect on its strength. Analytical models based on the effective section method and the finite strip method which account for interaction buckling are compared with tests performed by Kalyanaraman, Pekoz, and Winter (1977). A design method based on the SSRC column curves is proposed to account for the effects of interaction buckling in I-section columns. This design method is also compared with the tests.

Subject Headings: Finite strip method | Buckling | Columns | Structural strength | Structural models | Winter | Curvature

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