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Article: Column tests of cold-formed steel channels with complex stiffeners

TitleColumn tests of cold-formed steel channels with complex stiffeners
Authors
KeywordsBuckling
Cold-Formed Steel
Columns
Stiffness
Issue Date2002
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, 2002, v. 128 n. 6, p. 737-745 How to Cite?
AbstractThis paper presents an experimental investigation of cold-formed steel channels with complex stiffeners subjected to pure axial compression for fixed-ended columns. The complex stiffeners of the channel sections consist of simple lips with return lips. A total of 30 column specimens were tested. The specimens were brake pressed from high strength zinc-coated structural steel sheets. Four different cross sections with different flange slenderness were tested over a range of column lengths. Detailed measurements of material properties, geometric imperfections, and local buckling loads of the specimens were conducted. Interaction of local and overall buckling was observed in the tests. Failure modes include local buckling, distortional buckling, and flexural-torsional buckling. The test strengths of the columns are compared with the design strengths predicted by the American Specification and the Australian/New Zealand Standard for cold-formed steel structures. Design column curves are also plotted. It is shown that the design strengths predicted by the American Specification are generally unconservative for short and intermediate columns, whereas the design strengths predicted by the Australian/New Zealand Standard are generally conservative for all column lengths. This is because the Australian/New Zealand Standard has a separate check for distortional buckling of singly symmetric sections.
Persistent Identifierhttp://hdl.handle.net/10722/150313
ISSN
2015 Impact Factor: 1.7
2015 SCImago Journal Rankings: 1.431
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYan, Jen_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:03:14Z-
dc.date.available2012-06-26T06:03:14Z-
dc.date.issued2002en_US
dc.identifier.citationJournal Of Structural Engineering, 2002, v. 128 n. 6, p. 737-745en_US
dc.identifier.issn0733-9445en_US
dc.identifier.urihttp://hdl.handle.net/10722/150313-
dc.description.abstractThis paper presents an experimental investigation of cold-formed steel channels with complex stiffeners subjected to pure axial compression for fixed-ended columns. The complex stiffeners of the channel sections consist of simple lips with return lips. A total of 30 column specimens were tested. The specimens were brake pressed from high strength zinc-coated structural steel sheets. Four different cross sections with different flange slenderness were tested over a range of column lengths. Detailed measurements of material properties, geometric imperfections, and local buckling loads of the specimens were conducted. Interaction of local and overall buckling was observed in the tests. Failure modes include local buckling, distortional buckling, and flexural-torsional buckling. The test strengths of the columns are compared with the design strengths predicted by the American Specification and the Australian/New Zealand Standard for cold-formed steel structures. Design column curves are also plotted. It is shown that the design strengths predicted by the American Specification are generally unconservative for short and intermediate columns, whereas the design strengths predicted by the Australian/New Zealand Standard are generally conservative for all column lengths. This is because the Australian/New Zealand Standard has a separate check for distortional buckling of singly symmetric sections.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.htmlen_US
dc.relation.ispartofJournal of Structural Engineeringen_US
dc.subjectBucklingen_US
dc.subjectCold-Formed Steelen_US
dc.subjectColumnsen_US
dc.subjectStiffnessen_US
dc.titleColumn tests of cold-formed steel channels with complex stiffenersen_US
dc.typeArticleen_US
dc.identifier.emailYoung, B:young@hku.hken_US
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1061/(ASCE)0733-9445(2002)128:6(737)en_US
dc.identifier.scopuseid_2-s2.0-2342625724en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2342625724&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume128en_US
dc.identifier.issue6en_US
dc.identifier.spage737en_US
dc.identifier.epage745en_US
dc.identifier.isiWOS:000175745800006-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYan, J=7403728412en_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US

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