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Article: Compression tests of cold-formed steel I-shaped open sections with edge and web stiffeners

TitleCompression tests of cold-formed steel I-shaped open sections with edge and web stiffeners
Authors
KeywordsCold-formed steel
Column
Edge stiffener
Open section
Web-stiffeners
Issue Date2012
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/tws
Citation
Thin-walled Structures, 2012, v. 52, p. 1-11 How to Cite?
AbstractA series of column tests on cold-formed steel I-shaped open sections with edge and web stiffeners has been conducted. The test specimens were firstly brake-pressed from high strength zinc-coated steel sheets and then two of the same members were connected back-to-back by self-tapping screws to form an I-shaped section with edge and web stiffeners. The members had the nominal thicknesses of 0.48, 1.0 and 1.2 mm. The column length of the test specimens varied from 300 to 3200 mm with an increment of approximately 600 mm. The column specimens were compressed between fixed ends. Tensile coupon tests were also conducted to obtain the material properties at both flat and corner portions of the sections. Initial local and overall geometric imperfections were measured. The columns were failed by local, distortional, flexural buckling and the interaction of these buckling modes. The failure modes and ultimate strengths of the column specimens were presented. The direct strength method in the North American Specification and the Australian/New Zealand Standard was used to calculate the design strengths of the I-shaped open section columns. The appropriateness of the direct strength method for I-shaped open sections with edge and web stiffeners was evaluated. In addition, the reliability of the direct strength method for the I-shaped open sections was evaluated using reliability analysis. It is shown that the direct strength method can be used for cold-formed steel I-shaped open sections with edge and web stiffeners. © 2011 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150629
ISSN
2015 Impact Factor: 2.063
2015 SCImago Journal Rankings: 1.647
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative Region, ChinaHKU719711E
Funding Information:

The authors are grateful to BlueScope Lysaght (Singapore) Pte. Ltd. for providing the test specimens. The research work described in this paper was supported by a Grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project no. HKU719711E).

References

 

DC FieldValueLanguage
dc.contributor.authorZhang, JHen_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:06:15Z-
dc.date.available2012-06-26T06:06:15Z-
dc.date.issued2012en_US
dc.identifier.citationThin-walled Structures, 2012, v. 52, p. 1-11en_US
dc.identifier.issn0263-8231en_US
dc.identifier.urihttp://hdl.handle.net/10722/150629-
dc.description.abstractA series of column tests on cold-formed steel I-shaped open sections with edge and web stiffeners has been conducted. The test specimens were firstly brake-pressed from high strength zinc-coated steel sheets and then two of the same members were connected back-to-back by self-tapping screws to form an I-shaped section with edge and web stiffeners. The members had the nominal thicknesses of 0.48, 1.0 and 1.2 mm. The column length of the test specimens varied from 300 to 3200 mm with an increment of approximately 600 mm. The column specimens were compressed between fixed ends. Tensile coupon tests were also conducted to obtain the material properties at both flat and corner portions of the sections. Initial local and overall geometric imperfections were measured. The columns were failed by local, distortional, flexural buckling and the interaction of these buckling modes. The failure modes and ultimate strengths of the column specimens were presented. The direct strength method in the North American Specification and the Australian/New Zealand Standard was used to calculate the design strengths of the I-shaped open section columns. The appropriateness of the direct strength method for I-shaped open sections with edge and web stiffeners was evaluated. In addition, the reliability of the direct strength method for the I-shaped open sections was evaluated using reliability analysis. It is shown that the direct strength method can be used for cold-formed steel I-shaped open sections with edge and web stiffeners. © 2011 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/twsen_US
dc.relation.ispartofThin-walled Structuresen_US
dc.subjectCold-formed steelen_US
dc.subjectColumnen_US
dc.subjectEdge stiffeneren_US
dc.subjectOpen sectionen_US
dc.subjectWeb-stiffenersen_US
dc.titleCompression tests of cold-formed steel I-shaped open sections with edge and web 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.doi10.1016/j.tws.2011.11.006en_US
dc.identifier.scopuseid_2-s2.0-83155185566en_US
dc.identifier.hkuros209546-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-83155185566&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume52en_US
dc.identifier.spage1en_US
dc.identifier.epage11en_US
dc.identifier.isiWOS:000301019300001-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.scopusauthoridZhang, JH=54584631700en_US
dc.identifier.citeulike10158438-

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