Inelastic Lateral-Torsional Buckling of Beam Columns

by Constancio Miranda,
Morris Ojalvo,


Serial Information: Journal of the Engineering Mechanics Division, 1965, Vol. 91, Issue 6, Pg. 21-38


Document Type: Journal Paper

Abstract: The problem of lateral-torsional buckling in beam columns is studied using an analytical approach to detect the stage at which the inception of this type of instability is imminent. The method adopted uses a forward integration scheme for solving the differential equations defining the problem. Typical results are presented in respect of an 8W31 and a 10WF89, as these have cross sections representative of thin-walled and moderately thin-walled columns, commonly used in multistory buildings. Results obtained in respect of a 14WF287, which is a thick-walled section, were found to be qualitatively similar to those in respect of a 10WF89.

Subject Headings: Beam columns | Torsion | Buckling | Differential equations | Mid-rise buildings | Walls | Inelasticity

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