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Article: Design of cold-formed steel oval hollow section columns

TitleDesign of cold-formed steel oval hollow section columns
Authors
KeywordsCold-formed steel
Cold-formed steel structures
Column strengths
Column test
Coupon tests
Issue Date2012
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jcsr
Citation
Journal of Constructional Steel Research, 2012, v. 71, p. 26-37 How to Cite?
AbstractThis paper presents the numerical simulation and design of cold-formed steel oval hollow section columns. An accurate finite element model was developed to simulate the fixed-ended column tests of oval hollow sections. The material non-linearities obtained from tensile coupon tests as well as the initial local and overall geometric imperfections were incorporated in the finite element model. Convergence study was performed to obtain the optimized mesh size. A parametric study consisted of 100 columns was conducted using the verified numerical model. The failure modes of material yielding, local buckling and flexural buckling as well as interaction of local and flexural buckling were found in this study. The experimental column strengths and numerical results predicted by the parametric study were compared with the design strengths calculated using the current North American, Australian/New Zealand and European specifications for cold-formed steel structures. In addition, the direct strength method, which was developed for cold-formed steel members for certain cross-sections but not cover oval hollow sections, was used in this study. The reliability of these design rules was evaluated using reliability analysis. © 2011 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150647
ISSN
2015 Impact Factor: 1.702
2015 SCImago Journal Rankings: 1.746
ISI Accession Number ID
Funding AgencyGrant Number
Chinese National Natural Science Foundation50808126
51078237
University of Hong Kong
Funding Information:

The research work described in this paper was supported by the Chinese National Natural Science Foundation (Project Nos. 50808126 and 51078237) and a grant from The University of Hong Kong under the seed funding program for basic research.

References

 

DC FieldValueLanguage
dc.contributor.authorZhu, JHen_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:06:27Z-
dc.date.available2012-06-26T06:06:27Z-
dc.date.issued2012en_US
dc.identifier.citationJournal of Constructional Steel Research, 2012, v. 71, p. 26-37en_US
dc.identifier.issn0143-974Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/150647-
dc.description.abstractThis paper presents the numerical simulation and design of cold-formed steel oval hollow section columns. An accurate finite element model was developed to simulate the fixed-ended column tests of oval hollow sections. The material non-linearities obtained from tensile coupon tests as well as the initial local and overall geometric imperfections were incorporated in the finite element model. Convergence study was performed to obtain the optimized mesh size. A parametric study consisted of 100 columns was conducted using the verified numerical model. The failure modes of material yielding, local buckling and flexural buckling as well as interaction of local and flexural buckling were found in this study. The experimental column strengths and numerical results predicted by the parametric study were compared with the design strengths calculated using the current North American, Australian/New Zealand and European specifications for cold-formed steel structures. In addition, the direct strength method, which was developed for cold-formed steel members for certain cross-sections but not cover oval hollow sections, was used in this study. The reliability of these design rules was evaluated using reliability analysis. © 2011 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jcsren_US
dc.relation.ispartofJournal of Constructional Steel Researchen_US
dc.subjectCold-formed steelen_US
dc.subjectCold-formed steel structuresen_US
dc.subjectColumn strengthsen_US
dc.subjectColumn testen_US
dc.subjectCoupon testsen_US
dc.titleDesign of cold-formed steel oval hollow section columnsen_US
dc.typeArticleen_US
dc.identifier.emailZhu, JH: zhujh@szu.edu.cnen_US
dc.identifier.emailYoung, B: young@hku.hk-
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.jcsr.2011.11.013en_US
dc.identifier.scopuseid_2-s2.0-84855991053en_US
dc.identifier.hkuros209547-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84855991053&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume71en_US
dc.identifier.spage26en_US
dc.identifier.epage37en_US
dc.identifier.isiWOS:000300806100003-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.scopusauthoridZhu, JH=54793855600en_US
dc.identifier.citeulike10191018-

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