Shear-flexural buckling of cantilever columns under uniformly distributed load

M.C.M. Bakker

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

Approximate buckling formulas for shear–flexural buckling of cantilever columns subjected to a uniformly distributed load are derived, based on Timoshenko's energy method. In this method the deflection curve at buckling is approximated by a trial function. Instead of trying to describe all possible buckling modes with one trial function, two trial functions are used: one to describe shear dominated localized buckling, another to describe bending dominated global buckling. It is investigated whether the bending dominated global buckling modes can best be described using polynomial functions, trigonometric functions, or a function defined by the lateral (flexural and shear) deflection of the cantilever column under uniformly distributed lateral load. The results of the derived formulas are compared to the exact solution and other approximate buckling formulas found in the literature. Attention is drawn to the fact that the shear–flexural buckling load cannot exceed the shear buckling load.
Original languageEnglish
Pages (from-to)1160-1167
Number of pages8
JournalJournal of Engineering Mechanics
Volume132
Issue number11
DOIs
Publication statusPublished - 2006

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