Design imperfections for steel beam lateral torsional buckling

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Abstract

To perform geometrically and materially nonlinear analyses including imperfec-tions for steel beam lateral torsional buckling, the size and shape of the geometric imperfec-tion can be obtained from EN 1993-1-1. The shape is prescribed as an initial bow along the weak axis of the section, excluding torsion of the cross-section. The shape of the imperfection can alternatively be taken equal to the lateral torsional buckling mode, including torsion. Sev-eral tables and formulas exist to determine the size of the imperfection. Different imperfection approaches were applied in finite element simulations to evaluate the lateral torsional nonlin-ear buckling resistances and to compare them to the results obtained with design rules.
Original languageEnglish
Title of host publicationProceedings of the International Colloquium on Stability and Ductility of Steel Structures
EditorsDan Dubina, Viorel Ungureanu
Place of PublicationTimisoara
PublisherWiley Ernst & Sohn
Pages549-556
Number of pages8
ISBN (Print)ISBN 978-92-9147-133-1
Publication statusPublished - 2016
Event2016 International Colloquium on Stability and Ductility of Steel Structures (SDSS 2016), May 30–June 1, 2016, Timisoara, Romania - Timisoara, Romania
Duration: 30 May 20161 Jun 2016
http://www.ct.upt.ro/sdss2016/

Conference

Conference2016 International Colloquium on Stability and Ductility of Steel Structures (SDSS 2016), May 30–June 1, 2016, Timisoara, Romania
Abbreviated titleSDSS 2016
CountryRomania
CityTimisoara
Period30/05/161/06/16
Internet address

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  • Cite this

    Snijder, H. H., van der Aa, R. P., Hofmeyer, H., & van Hove, B. W. E. M. (2016). Design imperfections for steel beam lateral torsional buckling. In D. Dubina, & V. Ungureanu (Eds.), Proceedings of the International Colloquium on Stability and Ductility of Steel Structures (pp. 549-556). Timisoara: Wiley Ernst & Sohn.