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Finite Strip Buckling and Nonlinear Analyses and Distortional Buckling Analysis of Thin-Walled Structural Members

  • Conference paper
Coupled Instabilities in Metal Structures

Part of the book series: CISM International Centre for Mechanical Sciences ((CISM,volume 379))

Abstract

In Chapter 1, the semi-analytical finite strip method of structural analysis is described for the buckling of thin-walled structural members in the local, distortional and overall (flexural and flexural-torsional) modes of structural instability. The secondary modes of deformation associated with postbuckling behaviour are developed for non-linear analysis in the elastic and plastic ranges of structural behaviour. A non-linear elastic analysis which accounts for the non-linear interaction between local and overall instability of thin-walled beam-columns is explained in Chapter 2. The method is compared with the results of tests of thin-walled aluminium I-sections and the perturbation theory.

Tests of welded I- and channel sections, and cold-formed square hollow section tubular columns which were performed at the University of Sydney are compared in Chapters 3 and 4 with the analyses described in Chapters 1 and 2. Spatial plastic mechanism models for I- and channel sections are presented in Chapter 3, and used in conjunction with the finite strip analyses to predict the ultimate loads of the sections. A simplified interaction analysis for tubular sections undergoing inelastic local instability during overall deformation is presented and compared in Chapter 4 with the results of tubular column tests.

Distortional buckling of thin-walled sections in compression and bending is described in Chapter 5. Design curves for distortional buckling of sections in both compression and bending are compared with test results of thin-walled sections performed at the University of Sydney. The interaction of local and distortional buckling is discussed. In Chapter 6, equations are given for the computation of the elastic distortional buckling stress of thin-walled channel and Z-sections in compression and bending. The interaction of distortional buckling of the flange with local instability of the web is discussed.

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Authors and Affiliations

  1. University of Sydney, Sydney, Australia

    G. J. Hancock

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  1. G. J. Hancock
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Editors and Affiliations

  1. University of Liege, Belgium

    Jacques Rondal

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© 1998 Springer-Verlag Wien

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Hancock, G.J. (1998). Finite Strip Buckling and Nonlinear Analyses and Distortional Buckling Analysis of Thin-Walled Structural Members. In: Rondal, J. (eds) Coupled Instabilities in Metal Structures. CISM International Centre for Mechanical Sciences, vol 379. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2510-6_5

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  • DOI: https://doi.org/10.1007/978-3-7091-2510-6_5

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-82917-2

  • Online ISBN: 978-3-7091-2510-6

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