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References (12)
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P. Poon, H. Ronagh (2003)
Coupled local-lateral buckling of I-Beams, A finite element model, 1
- Publisher
- SAGE
- Copyright
- © 2004 SAGE Publications
- ISSN
- 1369-4332
- eISSN
- 2048-4011
- DOI
- 10.1260/1369433041211129
- Publisher site
- See Article on Publisher Site
Abstract
Lateral-distortional buckling may occur in I-section beams with slender webs and stocky flanges. A computationally efficient method is presented in this paper to study this phenomenon. Previous studies on distortional buckling have been on the use of 3rd and 5th order polynomials to model the displacements. The present study provides an alternative way, using Fourier Series, to model the behaviour. Beams of different cross-sectional dimensions, load cases and restraint conditions are examined and compared. The accuracy and versatility of the method are verified by calibrating against the results of other published studies. The present method is believed to be a simple and efficient way of determining the buckling load and mode shapes of I-section beams that are susceptible to lateral-distortional buckling modes.
Journal
Advances in Structural Engineering – SAGE
Published: Apr 1, 2004