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Article: Buckling analysis of cold-formed steel lipped angle columns

TitleBuckling analysis of cold-formed steel lipped angle columns
Authors
KeywordsBuckling
Cold-formed steel
Finite elements
Steel structures
Structural design
Thin wall structures
Issue Date2005
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.html
Citation
Journal Of Structural Engineering, 2005, v. 131 n. 10, p. 1570-1579 How to Cite?
AbstractThis paper describes the buckling behavior of cold-formed steel equally lipped angle columns. The initial local imperfections, residual stresses, and corner material properties of the cold-formed steel angles have been measured experimentally and reported in this paper. An accurate finite element model was developed to carry out the buckling analysis. Both initial local and overall geometric imperfections have been incorporated in the model. The effect of residual stresses on the buckling behavior was investigated. The material nonlinearities of flat and corner portions of the angle sections were considered in the analysis. The finite element analysis was performed on equally lipped angles compressed between fixed ends for different column lengths, and column curves were obtained. The nonlinear finite element model was verified against recent experimental results. An extensive parametric study was carried out using the finite element model to study the effects of cross section geometries on the strength and behavior of lipped angle columns. The column strengths predicted by the finite element model were compared with the design strengths calculated using the North American Specification and Australian/New Zealand Standard for cold-formed steel structures. In addition, the results obtained from the finite element model were also compared with the design strengths obtained from proposed design rules. It is shown that the proposed design rules accurately predicted the column strengths for non-slender lipped angles and were quite conservative for slender lipped angles. © ASCE.
Persistent Identifierhttp://hdl.handle.net/10722/71446
ISSN
2015 Impact Factor: 1.7
2015 SCImago Journal Rankings: 1.431
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYoung, Ben_HK
dc.contributor.authorEllobody, Een_HK
dc.date.accessioned2010-09-06T06:32:04Z-
dc.date.available2010-09-06T06:32:04Z-
dc.date.issued2005en_HK
dc.identifier.citationJournal Of Structural Engineering, 2005, v. 131 n. 10, p. 1570-1579en_HK
dc.identifier.issn0733-9445en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71446-
dc.description.abstractThis paper describes the buckling behavior of cold-formed steel equally lipped angle columns. The initial local imperfections, residual stresses, and corner material properties of the cold-formed steel angles have been measured experimentally and reported in this paper. An accurate finite element model was developed to carry out the buckling analysis. Both initial local and overall geometric imperfections have been incorporated in the model. The effect of residual stresses on the buckling behavior was investigated. The material nonlinearities of flat and corner portions of the angle sections were considered in the analysis. The finite element analysis was performed on equally lipped angles compressed between fixed ends for different column lengths, and column curves were obtained. The nonlinear finite element model was verified against recent experimental results. An extensive parametric study was carried out using the finite element model to study the effects of cross section geometries on the strength and behavior of lipped angle columns. The column strengths predicted by the finite element model were compared with the design strengths calculated using the North American Specification and Australian/New Zealand Standard for cold-formed steel structures. In addition, the results obtained from the finite element model were also compared with the design strengths obtained from proposed design rules. It is shown that the proposed design rules accurately predicted the column strengths for non-slender lipped angles and were quite conservative for slender lipped angles. © ASCE.en_HK
dc.languageengen_HK
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.htmlen_HK
dc.relation.ispartofJournal of Structural Engineeringen_HK
dc.rightsJournal of Structural Engineering. Copyright © American Society of Civil Engineers.en_HK
dc.subjectBucklingen_HK
dc.subjectCold-formed steelen_HK
dc.subjectFinite elementsen_HK
dc.subjectSteel structuresen_HK
dc.subjectStructural designen_HK
dc.subjectThin wall structuresen_HK
dc.titleBuckling analysis of cold-formed steel lipped angle columnsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-9445&volume=131&spage=1570&epage=1579&date=2005&atitle=Buckling+Analysis+of+Cold-formed+Steel+Lipped+Angle+Columnsen_HK
dc.identifier.emailYoung, B:young@hku.hken_HK
dc.identifier.authorityYoung, B=rp00208en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)0733-9445(2005)131:10(1570)en_HK
dc.identifier.scopuseid_2-s2.0-26844505920en_HK
dc.identifier.hkuros118215en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-26844505920&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume131en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1570en_HK
dc.identifier.epage1579en_HK
dc.identifier.isiWOS:000232062500010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYoung, B=7402192398en_HK
dc.identifier.scopusauthoridEllobody, E=8280203300en_HK

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