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dc.contributor.authorRomero, M. L.
dc.contributor.authorAlbero, Vicente
dc.contributor.authorEspinós, Ana
dc.contributor.authorHospitaler, Antonio
dc.contributor.authorPons, David
dc.contributor.authorPortolés Flaj, Jose Manuel
dc.contributor.authorIbáñez Usach, Carmen
dc.date.accessioned2017-05-02T18:46:16Z
dc.date.available2017-05-02T18:46:16Z
dc.date.issued2016
dc.identifier.citationROMERO, Manuel L., et al. Circular concrete‐filled dual steel columns with ultrahigh‐strength concrete. Steel Construction, 2016, vol. 9, no 4, p. 323-330.ca_CA
dc.identifier.issn1867-0520
dc.identifier.issn1867-0539
dc.identifier.urihttp://hdl.handle.net/10234/167388
dc.description.abstractThis paper presents the results of an experimental campaign in which the buckling resistance of 12 concrete-filled dual steel columns was ascertained. Whereas some papers in the literature describe investigations into concentrically loaded stub columns with such typology, no investigations of slender columns have been found to date. The tests presented in this paper are the preliminary results of an extensive experimental campaign (28 tests) that analysed the effects of two parameters: strength of concrete (normal- and ultrahigh-strength concrete) and the ratio between the thicknesses of the inner and outer steel tubes. A numerical model was also developed and validated, which helps further investigations. The buckling load of the specimens at room temperature is analysed in terms of the strength of the concrete and the appropriate distribution of the steel in the composite column. By maintaining the same total area of steel, two combinations were initially studied: ”thick outer tube–thin inner tube“ and ”thin outer tube–thick inner tube“. Finally, a discussion about the Eurocode 4 simplified method for composite columns, applied to these innovative specimens, is presented and shows unreliable results. Therefore, further tests would be needed to assess accurately the Eurocode 4 simplified method.ca_CA
dc.description.sponsorShipThe authors would like to express their sincere gratitude to the Spanish Ministry of Economy & Competitivity through project BIA2012-33144 and to the European Community for the FEDER funds.ca_CA
dc.format.extent8 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherErnst und Sohn: OnlineOpenca_CA
dc.publisherWiley-VCH Verlagca_CA
dc.relation.isPartOfSteel Construction, 2016, vol. 9, núm. 4ca_CA
dc.rights© Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin · Steel Construction 9 (2016), No. 4ca_CA
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/*
dc.subjectConcrete-filled steel columnca_CA
dc.subjectUltrahigh-strength concreteca_CA
dc.subjectInnovative cross-sectionsca_CA
dc.subjectExperimental campaignca_CA
dc.subjectNumerical modelca_CA
dc.titleCircular concrete-filled dual steel columns with ultrahigh-strength concreteca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1002/stco.201610038
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccessca_CA
dc.relation.publisherVersionhttp://onlinelibrary.wiley.com/doi/10.1002/stco.201610038/fullca_CA


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