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Article: Lateral instability of elliptical hollow section beams

TitleLateral instability of elliptical hollow section beams
Authors
KeywordsBeams
Flexure
Hollow section
Laboratory testing
Lateral-torsional buckling
Issue Date2012
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2012, v. 37, p. 152-166 How to Cite?
AbstractLateral instability of elliptical hollow section (EHS) members in bending is studied in this paper. Eight laterally unrestrained EHS beams, with a constant cross-sectional aspect ratio of two, were tested in three-point bending. The test set-up, material properties, section geometry, residual stress measurements and full load-deformation responses of the test specimens are reported herein. To supplement the experimental data, numerical models were also developed and validated against the test results. Parametric studies were then performed, to assess the influence of cross-sectional aspect ratio and member slenderness on lateral stability. Based on the assembled structural performance data, lateral torsional buckling curves for elliptical hollow section beams have been developed and statistically verified. Limiting lengths below which lateral torsional buckling (LTB) need not be considered have also been proposed. © 2011 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/159424
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLaw, KHen_US
dc.contributor.authorGardner, Len_US
dc.date.accessioned2012-08-16T05:49:50Z-
dc.date.available2012-08-16T05:49:50Z-
dc.date.issued2012en_US
dc.identifier.citationEngineering Structures, 2012, v. 37, p. 152-166en_US
dc.identifier.issn0141-0296-
dc.identifier.urihttp://hdl.handle.net/10722/159424-
dc.description.abstractLateral instability of elliptical hollow section (EHS) members in bending is studied in this paper. Eight laterally unrestrained EHS beams, with a constant cross-sectional aspect ratio of two, were tested in three-point bending. The test set-up, material properties, section geometry, residual stress measurements and full load-deformation responses of the test specimens are reported herein. To supplement the experimental data, numerical models were also developed and validated against the test results. Parametric studies were then performed, to assess the influence of cross-sectional aspect ratio and member slenderness on lateral stability. Based on the assembled structural performance data, lateral torsional buckling curves for elliptical hollow section beams have been developed and statistically verified. Limiting lengths below which lateral torsional buckling (LTB) need not be considered have also been proposed. © 2011 Elsevier Ltd.-
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct-
dc.relation.ispartofEngineering Structuresen_US
dc.subjectBeams-
dc.subjectFlexure-
dc.subjectHollow section-
dc.subjectLaboratory testing-
dc.subjectLateral-torsional buckling-
dc.titleLateral instability of elliptical hollow section beamsen_US
dc.typeArticleen_US
dc.identifier.emailLaw, KH: adalaw@hku.hken_US
dc.identifier.emailGardner, L: leroy.gardner@imperial.ac.uk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.engstruct.2011.12.008-
dc.identifier.scopuseid_2-s2.0-84856574450-
dc.identifier.hkuros202604en_US
dc.identifier.volume37en_US
dc.identifier.spage152en_US
dc.identifier.epage166en_US
dc.identifier.isiWOS:000301696600014-
dc.publisher.placeUnited Kingdom-
dc.identifier.citeulike10347322-

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