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Article: Design of cold-formed stainless steel tubular joints at elevated temperatures

TitleDesign of cold-formed stainless steel tubular joints at elevated temperatures
Authors
KeywordsCold-formed stainless steels
Elevated temperature
High strength
Rectangular hollow sections
Square hollow sections
Issue Date2012
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2012, v. 35, p. 188-202 How to Cite?
AbstractThis paper describes the numerical investigation of cold-formed stainless steel tubular T-joints, X-joints and X-joints with chord preload at elevated temperatures. A series of finite element analysis was performed on stainless steel tubular joints. The tubular T- and X-joints were welded from cold-formed square and rectangular hollow sections as brace and chord members. The material properties of high strength stainless steel (duplex and high strength austenitic) and normal strength stainless steel (AISI 304) at elevated temperatures were carefully incorporated in the finite element models. An extensive numerical study of 450 specimens consists of 20 T-joints, 10 X-joints and 20 X-joints with chord preload at different temperatures ranged from 22 to 870 °C was conducted. The joint strengths, failure modes and load-deformation curves of stainless steel tubular joints at elevated temperatures were obtained from the finite element analysis. The numerical results were compared with the design strengths calculated from the existing design rules for stainless steel tubular joints at normal room temperature (ambient temperature) by using the material properties of stainless steel tubes at elevated temperatures. In the calculation of the joint strengths, the reduced material property of 0.2% proof stress was used due to the deterioration of material at elevated temperatures. Furthermore, design equations for cold-formed stainless steel tubular T- and X-joints at elevated temperatures are proposed by introducing a temperature factor (ξ T). A reliability analysis was performed to assess the existing and proposed design equations. © 2011 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/150639
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFeng, Ren_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:06:22Z-
dc.date.available2012-06-26T06:06:22Z-
dc.date.issued2012en_US
dc.identifier.citationEngineering Structures, 2012, v. 35, p. 188-202en_US
dc.identifier.issn0141-0296en_US
dc.identifier.urihttp://hdl.handle.net/10722/150639-
dc.description.abstractThis paper describes the numerical investigation of cold-formed stainless steel tubular T-joints, X-joints and X-joints with chord preload at elevated temperatures. A series of finite element analysis was performed on stainless steel tubular joints. The tubular T- and X-joints were welded from cold-formed square and rectangular hollow sections as brace and chord members. The material properties of high strength stainless steel (duplex and high strength austenitic) and normal strength stainless steel (AISI 304) at elevated temperatures were carefully incorporated in the finite element models. An extensive numerical study of 450 specimens consists of 20 T-joints, 10 X-joints and 20 X-joints with chord preload at different temperatures ranged from 22 to 870 °C was conducted. The joint strengths, failure modes and load-deformation curves of stainless steel tubular joints at elevated temperatures were obtained from the finite element analysis. The numerical results were compared with the design strengths calculated from the existing design rules for stainless steel tubular joints at normal room temperature (ambient temperature) by using the material properties of stainless steel tubes at elevated temperatures. In the calculation of the joint strengths, the reduced material property of 0.2% proof stress was used due to the deterioration of material at elevated temperatures. Furthermore, design equations for cold-formed stainless steel tubular T- and X-joints at elevated temperatures are proposed by introducing a temperature factor (ξ T). A reliability analysis was performed to assess the existing and proposed design equations. © 2011 Elsevier Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_US
dc.relation.ispartofEngineering Structuresen_US
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in <Journal title>. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, [VOL#, ISSUE#, (DATE)] DOI#-
dc.subjectCold-formed stainless steelsen_US
dc.subjectElevated temperatureen_US
dc.subjectHigh strengthen_US
dc.subjectRectangular hollow sectionsen_US
dc.subjectSquare hollow sectionsen_US
dc.titleDesign of cold-formed stainless steel tubular joints at elevated temperaturesen_US
dc.typeArticleen_US
dc.identifier.emailFeng, R: fengran8@hku.hken_US
dc.identifier.emailYoung, B: young@hku.hk-
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.engstruct.2011.10.029en_US
dc.identifier.scopuseid_2-s2.0-84855429663en_US
dc.identifier.hkuros202393-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84855429663&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume35en_US
dc.identifier.spage188en_US
dc.identifier.epage202en_US
dc.identifier.isiWOS:000301217300019-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.scopusauthoridFeng, R=36138673300en_US
dc.identifier.citeulike10234588-

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