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Conference Paper: Design of cold-formed lean duplex stainless steel concentrically loaded compression members

TitleDesign of cold-formed lean duplex stainless steel concentrically loaded compression members
Authors
Issue Date2011
PublisherICSAS11.
Citation
The 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 39-50 How to Cite?
AbstractThis paper describes a test program on cold-formed lean duplex stainless steel columns compressed between pinned ends. In this study, one square hollow section and two rectangular hollow sections were tested at different column lengths. The material properties were obtained from tensile coupon tests and stub column tests. The test specimens were cold-rolled from flat strips of lean duplex stainless steel (EN 1.4162). Initial overall geometric imperfections of the column specimens were measured prior to testing. The column specimens were concentrically loaded between pinned ends. The ultimate loads and the failure modes of each column are presented. The test strengths of the specimens were compared with the design strengths predicted by the American Specification, Australian/New Zealand Standard and European Code for stainless steel structures. Generally, the specifications are able to predict the strengths of the tested columns. The European Code provides the most conservative predictions, while the American Specification provides conservative predictions when the design strengths calculated using the material properties from tensile coupon tests. The design approach of using full cross-section area and material properties obtained by stub column tests for all classes of sections including slender sections was recommended. This recommended design approach does not require section classification and calculation of effective area. The design strengths calculated using the recommended design approach are generally more accurate than those using the current design rules.
DescriptionKeynote Paper
Persistent Identifierhttp://hdl.handle.net/10722/165770
ISBN

 

DC FieldValueLanguage
dc.contributor.authorHuang, Yen_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-09-20T08:23:08Z-
dc.date.available2012-09-20T08:23:08Z-
dc.date.issued2011en_US
dc.identifier.citationThe 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 39-50en_US
dc.identifier.isbn978-981-08-9247-0-
dc.identifier.urihttp://hdl.handle.net/10722/165770-
dc.descriptionKeynote Paper-
dc.description.abstractThis paper describes a test program on cold-formed lean duplex stainless steel columns compressed between pinned ends. In this study, one square hollow section and two rectangular hollow sections were tested at different column lengths. The material properties were obtained from tensile coupon tests and stub column tests. The test specimens were cold-rolled from flat strips of lean duplex stainless steel (EN 1.4162). Initial overall geometric imperfections of the column specimens were measured prior to testing. The column specimens were concentrically loaded between pinned ends. The ultimate loads and the failure modes of each column are presented. The test strengths of the specimens were compared with the design strengths predicted by the American Specification, Australian/New Zealand Standard and European Code for stainless steel structures. Generally, the specifications are able to predict the strengths of the tested columns. The European Code provides the most conservative predictions, while the American Specification provides conservative predictions when the design strengths calculated using the material properties from tensile coupon tests. The design approach of using full cross-section area and material properties obtained by stub column tests for all classes of sections including slender sections was recommended. This recommended design approach does not require section classification and calculation of effective area. The design strengths calculated using the recommended design approach are generally more accurate than those using the current design rules.-
dc.languageengen_US
dc.publisherICSAS11.-
dc.relation.ispartofProceedings of the 7th International Conference on Steel and Aluminium Structures, ICSAS 2011en_US
dc.titleDesign of cold-formed lean duplex stainless steel concentrically loaded compression membersen_US
dc.typeConference_Paperen_US
dc.identifier.emailHuang, Y: h0795530@HKUSUC.hku.hken_US
dc.identifier.emailYoung, B: young@hku.hk-
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.3850/978-981-08-9247-0_rp005-icsas11-
dc.identifier.hkuros209559en_US
dc.identifier.spage39en_US
dc.identifier.epage50en_US
dc.description.otherThe 7th International Conference on Steel and Aluminium Structures (ICSAS 2011), Sarawak, Malaysia, 13-15 July 2011. In Proceedings of the 7th ICSAS, 2011, p. 39-50-

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