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Conference Paper: Experimental Investigation of Concrete-filled Double Skin Tubular Stub Columns with Ferritic Stainless Steel Outer Tubes

TitleExperimental Investigation of Concrete-filled Double Skin Tubular Stub Columns with Ferritic Stainless Steel Outer Tubes
Authors
Issue Date2017
PublisherWilhelm Ernst und Sohn.
Citation
The 8th European Conference on Steel and Composite Structures, Copenhagen, Denmark, 13-15 September 2017. In ce/papers, 2017, v. 1 n. 2-3, p. 2070-2079 How to Cite?
AbstractAn experimental investigation of concrete-filled double skin tubular (CFDST) stub columns with ferritic stainless steel outer tubes and carbon steel inner tubes is presented in this paper. A total of 14 tests was carried out to study the axial compressive behaviour and strengths of CFDST specimens. The outer tubes were cold-formed from ferritic stainless steel material (grade 1.4003) into rectangular hollow sections (RHS) with depth-to-thickness ratios ranging from 26.1 to 42.1, while the inner tubes were cold-formed from carbon steel (grade S235) into square hollow sections (SHS) with width-to-thickness ratios ranging from 7.5 to 13.5. The gaps between the outer and inner tubes were filled by concrete with three different nominal cylinder strengths of 40, 80 and 120 MPa. The columns had different lengths so that the length-to-depth ratio remained at a constant value of 2.5. The CFDST specimens were subjected to uniform axial compression. The column strengths, load-axial strain relationships and failure modes were evaluated in this paper. The test strengths were then compared with the strengths calculated from the existing design codes, where the guidance given in European Code, Australian Standard and two American Specifications for concrete-filled columns were used. It is shown that current design rules provide conservative predictions for the resistance of CFDST stub columns with ferritic stainless steel outer tubes.
Persistent Identifierhttp://hdl.handle.net/10722/250125
ISSN

 

DC FieldValueLanguage
dc.contributor.authorWang, F-
dc.contributor.authorYoung, B-
dc.contributor.authorGardner, L-
dc.date.accessioned2017-12-20T09:21:06Z-
dc.date.available2017-12-20T09:21:06Z-
dc.date.issued2017-
dc.identifier.citationThe 8th European Conference on Steel and Composite Structures, Copenhagen, Denmark, 13-15 September 2017. In ce/papers, 2017, v. 1 n. 2-3, p. 2070-2079-
dc.identifier.issn2509-7075-
dc.identifier.urihttp://hdl.handle.net/10722/250125-
dc.description.abstractAn experimental investigation of concrete-filled double skin tubular (CFDST) stub columns with ferritic stainless steel outer tubes and carbon steel inner tubes is presented in this paper. A total of 14 tests was carried out to study the axial compressive behaviour and strengths of CFDST specimens. The outer tubes were cold-formed from ferritic stainless steel material (grade 1.4003) into rectangular hollow sections (RHS) with depth-to-thickness ratios ranging from 26.1 to 42.1, while the inner tubes were cold-formed from carbon steel (grade S235) into square hollow sections (SHS) with width-to-thickness ratios ranging from 7.5 to 13.5. The gaps between the outer and inner tubes were filled by concrete with three different nominal cylinder strengths of 40, 80 and 120 MPa. The columns had different lengths so that the length-to-depth ratio remained at a constant value of 2.5. The CFDST specimens were subjected to uniform axial compression. The column strengths, load-axial strain relationships and failure modes were evaluated in this paper. The test strengths were then compared with the strengths calculated from the existing design codes, where the guidance given in European Code, Australian Standard and two American Specifications for concrete-filled columns were used. It is shown that current design rules provide conservative predictions for the resistance of CFDST stub columns with ferritic stainless steel outer tubes.-
dc.languageeng-
dc.publisherWilhelm Ernst und Sohn.-
dc.relation.ispartofce/papers-
dc.titleExperimental Investigation of Concrete-filled Double Skin Tubular Stub Columns with Ferritic Stainless Steel Outer Tubes-
dc.typeConference_Paper-
dc.identifier.emailYoung, B: young@hku.hk-
dc.identifier.authorityYoung, B=rp00208-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/cepa.252-
dc.identifier.hkuros283691-
dc.identifier.volume1-
dc.identifier.issue2-3-
dc.identifier.spage2070-
dc.identifier.epage2079-
dc.publisher.placeGermany-

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