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Conference Paper: Numerical analysis of the non-linear behaviour of CFRP-strengthened cold-formed steel columns

TitleNumerical analysis of the non-linear behaviour of CFRP-strengthened cold-formed steel columns
Authors
Issue Date2007
Citation
Proceedings Of The 3Rd International Conference On Steel And Composite Structures, Icscs07 - Steel And Composite Structures, 2007, p. 969-975 How to Cite?
AbstractThis paper reports the results of a numerical investigation on the non-linear behaviour and load-carrying capacity of CFRP-strengthened cold-formed steel lipped channel columns - in particular, one studies a total of 16 short and long fixed-ended columns. The fully non-linear numerical analyses are based on shell finite element models, carried out in the code ABAQUS, and adopt an elastic-plastic constitutive law to describe the steel material behaviour. The columns are strengthened with carbon fibre sheets (CFS) glued at different outer surface locations (web, flanges and/or lips) and having fibres oriented either longitudinally or transversally - since the aim of the study is to assess the influence of the CFS on the column structural response, bare steel specimens were also analyzed. The numerical results, which consist of non-linear equilibrium paths (applied load vs. axial shortening) and ultimate strength values (most of them associated with local-plate or distortional failure mechanisms), are subsequently compared with experimental values obtained earlier. Finally, on the basis of both the numerical and experimental results, some relevant conclusions are drawn concerning the CFS location and fibre orientation that are most effective to strengthen lipped channel steel columns exhibiting either local-plate or distortional collapses. © 2007 Taylor & Francis Group.
Persistent Identifierhttp://hdl.handle.net/10722/111676
References

 

DC FieldValueLanguage
dc.contributor.authorSilvestre, Nen_HK
dc.contributor.authorCamotim, Den_HK
dc.contributor.authorYoung, Ben_HK
dc.date.accessioned2010-09-26T02:59:09Z-
dc.date.available2010-09-26T02:59:09Z-
dc.date.issued2007en_HK
dc.identifier.citationProceedings Of The 3Rd International Conference On Steel And Composite Structures, Icscs07 - Steel And Composite Structures, 2007, p. 969-975en_HK
dc.identifier.urihttp://hdl.handle.net/10722/111676-
dc.description.abstractThis paper reports the results of a numerical investigation on the non-linear behaviour and load-carrying capacity of CFRP-strengthened cold-formed steel lipped channel columns - in particular, one studies a total of 16 short and long fixed-ended columns. The fully non-linear numerical analyses are based on shell finite element models, carried out in the code ABAQUS, and adopt an elastic-plastic constitutive law to describe the steel material behaviour. The columns are strengthened with carbon fibre sheets (CFS) glued at different outer surface locations (web, flanges and/or lips) and having fibres oriented either longitudinally or transversally - since the aim of the study is to assess the influence of the CFS on the column structural response, bare steel specimens were also analyzed. The numerical results, which consist of non-linear equilibrium paths (applied load vs. axial shortening) and ultimate strength values (most of them associated with local-plate or distortional failure mechanisms), are subsequently compared with experimental values obtained earlier. Finally, on the basis of both the numerical and experimental results, some relevant conclusions are drawn concerning the CFS location and fibre orientation that are most effective to strengthen lipped channel steel columns exhibiting either local-plate or distortional collapses. © 2007 Taylor & Francis Group.en_HK
dc.languageengen_HK
dc.relation.ispartofProceedings of the 3rd International Conference on Steel and Composite Structures, ICSCS07 - Steel and Composite Structuresen_HK
dc.titleNumerical analysis of the non-linear behaviour of CFRP-strengthened cold-formed steel columnsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailYoung, B:young@hku.hken_HK
dc.identifier.authorityYoung, B=rp00208en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-55549086862en_HK
dc.identifier.hkuros149296en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-55549086862&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage969en_HK
dc.identifier.epage975en_HK
dc.identifier.scopusauthoridSilvestre, N=6603834610en_HK
dc.identifier.scopusauthoridCamotim, D=7003404571en_HK
dc.identifier.scopusauthoridYoung, B=7402192398en_HK

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