Buckling of Imperfect Rigid-Jointed Frames

by George J. Simitses, Prof.; School of Engrg. Sci. and Mechanics, Georgia Inst. of Tech., Atlanta, Ga.,
Anthony N. Kounadis, (M.ASCE), Assoc. Prof.; School of Civ. Engrg., National Technical Univ. of Athens, Greece,

Serial Information: Journal of the Engineering Mechanics Division, 1978, Vol. 104, Issue 3, Pg. 569-586

Document Type: Journal Paper


The buckling of multistory, multibay frames is investigated. A method of analysis is presented for estimating directly critical conditions, for both bifurcational and limit point type of instability. This method is based on a nonlinear formulation, and on the simultaneous solution of the equilibrium and buckling equations, and it is demonstrated through two simple frame problems.

Subject Headings: Buckling | Rigid frames | Frames | Mid-rise buildings | Bifurcations | Nonlinear analysis | Equilibrium

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