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Article: On the use of the EC3 and AISI specifications to estimate the ultimate load of CFRP-strengthened cold-formed steel lipped channel columns

TitleOn the use of the EC3 and AISI specifications to estimate the ultimate load of CFRP-strengthened cold-formed steel lipped channel columns
Authors
KeywordsCfrp-Strengthening
Cold-Formed Steel Columns
Design Approach
Distortional Buckling
Flexural-Torsional Buckling
Local Buckling
Ultimate Strength
Issue Date2009
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/tws
Citation
Thin-Walled Structures, 2009, v. 47 n. 10, p. 1102-1111 How to Cite?
AbstractThis paper summarises an investigation carried out to predict the structural behaviour of CFRP-strengthened cold-formed steel lipped channel columns-more specifically, it addresses the applicability of the provisions of Eurocode 3 (EC3) and the AISI Specification (AISI-DSM, direct strength method), both developed for cold-formed steel members, to estimate their load-carrying capacity. It is worth noting that EC3 and AISI-DSM adopt different approaches to perform this task: while the former is based on the "effective width" concept, the latter may adopt the "Direct Strength Method". First, the most relevant aspects related to the experimental and numerical investigations carried out to obtain "exact" column collapse loads are briefly presented. Then, an extensive numerical study is performed, which is intended to evaluate the benefits of CFRP-strengthening for different CFRP ply configurations, number of CFRP plies and steel yield stresses. After proposing different methodologies to extend the application of the EC3 and AISI-DSM design provisions to CFRP-strengthened cold-formed steel columns, the estimates provided by them are compared with the experimental values. On the basis of these comparisons, some concluding remarks are drawn concerning the merits and shortcomings of extending the domain of application of the current EC3 and AISI-DSM design approaches, so that they may cover also CFRP-strengthened lipped channel columns. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150502
ISSN
2015 Impact Factor: 2.063
2015 SCImago Journal Rankings: 1.647
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSilvestre, Nen_US
dc.contributor.authorCamotim, Den_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:05:14Z-
dc.date.available2012-06-26T06:05:14Z-
dc.date.issued2009en_US
dc.identifier.citationThin-Walled Structures, 2009, v. 47 n. 10, p. 1102-1111en_US
dc.identifier.issn0263-8231en_US
dc.identifier.urihttp://hdl.handle.net/10722/150502-
dc.description.abstractThis paper summarises an investigation carried out to predict the structural behaviour of CFRP-strengthened cold-formed steel lipped channel columns-more specifically, it addresses the applicability of the provisions of Eurocode 3 (EC3) and the AISI Specification (AISI-DSM, direct strength method), both developed for cold-formed steel members, to estimate their load-carrying capacity. It is worth noting that EC3 and AISI-DSM adopt different approaches to perform this task: while the former is based on the "effective width" concept, the latter may adopt the "Direct Strength Method". First, the most relevant aspects related to the experimental and numerical investigations carried out to obtain "exact" column collapse loads are briefly presented. Then, an extensive numerical study is performed, which is intended to evaluate the benefits of CFRP-strengthening for different CFRP ply configurations, number of CFRP plies and steel yield stresses. After proposing different methodologies to extend the application of the EC3 and AISI-DSM design provisions to CFRP-strengthened cold-formed steel columns, the estimates provided by them are compared with the experimental values. On the basis of these comparisons, some concluding remarks are drawn concerning the merits and shortcomings of extending the domain of application of the current EC3 and AISI-DSM design approaches, so that they may cover also CFRP-strengthened lipped channel columns. © 2008 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.subjectCfrp-Strengtheningen_US
dc.subjectCold-Formed Steel Columnsen_US
dc.subjectDesign Approachen_US
dc.subjectDistortional Bucklingen_US
dc.subjectFlexural-Torsional Bucklingen_US
dc.subjectLocal Bucklingen_US
dc.subjectUltimate Strengthen_US
dc.titleOn the use of the EC3 and AISI specifications to estimate the ultimate load of CFRP-strengthened cold-formed steel lipped channel columnsen_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.2008.10.013en_US
dc.identifier.scopuseid_2-s2.0-67651154325en_US
dc.identifier.hkuros178940-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67651154325&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume47en_US
dc.identifier.issue10en_US
dc.identifier.spage1102en_US
dc.identifier.epage1111en_US
dc.identifier.isiWOS:000269473600010-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridSilvestre, N=6603834610en_US
dc.identifier.scopusauthoridCamotim, D=7003404571en_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.citeulike5542244-

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