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A platform for research: civil engineering, architecture and urbanism
Inelastic torsional buckling strengths of cruciform columns
Abstract A theoretical study of the torsional buckling strengths of cruciform columns is presented. The influences of both initial geometric imperfections and residual stresses are investigated. A nonlinear elastic torsion theory based on simple beam-column theory is presented and used to predict the torsional behaviour up to first yield. For the behaviour beyond the first yield, a nonlinear finite element model is developed which is able to make a complete inelastic load-twist analysis. It is found that both initial twists and residual stresses can significantly reduce the ultimate torsional buckling strengths of cruciform columns.
Inelastic torsional buckling strengths of cruciform columns
Abstract A theoretical study of the torsional buckling strengths of cruciform columns is presented. The influences of both initial geometric imperfections and residual stresses are investigated. A nonlinear elastic torsion theory based on simple beam-column theory is presented and used to predict the torsional behaviour up to first yield. For the behaviour beyond the first yield, a nonlinear finite element model is developed which is able to make a complete inelastic load-twist analysis. It is found that both initial twists and residual stresses can significantly reduce the ultimate torsional buckling strengths of cruciform columns.
Inelastic torsional buckling strengths of cruciform columns
Chen, G. (author) / Trahair, N.S. (author)
Engineering Structures ; 16 ; 83-90
1994-01-01
8 pages
Article (Journal)
Electronic Resource
English
Inelastic torsional buckling strengths of cruciform columns
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Inelastic torsional buckling strengths of cruciform columns
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