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Article: Structural performance of cold-formed steel column bases with bolted moment connections

TitleStructural performance of cold-formed steel column bases with bolted moment connections
Authors
KeywordsFinite element modelling
Bolted moment connections
Column bases
Section failure under combined bending and shear
Issue Date2005
Citation
Steel and Composite Structures, 2005, v. 5, n. 4, p. 289-304 How to Cite?
AbstractThis paper presents a thorough investigation into the structural performance of cold-formed steel column bases using double lipped C sections with bolted moment connections. A total of four column base tests with different connection configurations were carried out, and it was found that section failure under combined bending and shear was always critical. Moreover, the proposed column bases were demonstrated to be structurally efficient attaining moment resistances close to those of the connected sections. In order to examine the structural behaviour of the column base connections, a finite element model was established using shell and spring elements to model the sections and the bolted fastenings respectively. Both material and geometrical non-linearities were incorporated, and comparison between the test and the numerical results was presented in details. The design rules originally developed for bolted moment connections between lapped Z sections were adopted and re-formulated for the design of column base connections after careful calibration against the test data. Comparison on co-existing moments and shear forces at the critical cross-sections of the column bases was fully presented. It was shown that the proposed design and analysis method was structurally adequate to predict the failure loads under combined bending and shear for column bases with similar connection configurations.
Persistent Identifierhttp://hdl.handle.net/10722/206251
ISSN
2015 Impact Factor: 1.796
2015 SCImago Journal Rankings: 0.561

 

DC FieldValueLanguage
dc.contributor.authorChung, K. F.-
dc.contributor.authorYu, W. K.-
dc.contributor.authorWang, Aaron J.-
dc.date.accessioned2014-10-22T01:25:31Z-
dc.date.available2014-10-22T01:25:31Z-
dc.date.issued2005-
dc.identifier.citationSteel and Composite Structures, 2005, v. 5, n. 4, p. 289-304-
dc.identifier.issn1229-9367-
dc.identifier.urihttp://hdl.handle.net/10722/206251-
dc.description.abstractThis paper presents a thorough investigation into the structural performance of cold-formed steel column bases using double lipped C sections with bolted moment connections. A total of four column base tests with different connection configurations were carried out, and it was found that section failure under combined bending and shear was always critical. Moreover, the proposed column bases were demonstrated to be structurally efficient attaining moment resistances close to those of the connected sections. In order to examine the structural behaviour of the column base connections, a finite element model was established using shell and spring elements to model the sections and the bolted fastenings respectively. Both material and geometrical non-linearities were incorporated, and comparison between the test and the numerical results was presented in details. The design rules originally developed for bolted moment connections between lapped Z sections were adopted and re-formulated for the design of column base connections after careful calibration against the test data. Comparison on co-existing moments and shear forces at the critical cross-sections of the column bases was fully presented. It was shown that the proposed design and analysis method was structurally adequate to predict the failure loads under combined bending and shear for column bases with similar connection configurations.-
dc.languageeng-
dc.relation.ispartofSteel and Composite Structures-
dc.subjectFinite element modelling-
dc.subjectBolted moment connections-
dc.subjectColumn bases-
dc.subjectSection failure under combined bending and shear-
dc.titleStructural performance of cold-formed steel column bases with bolted moment connections-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-23244463770-
dc.identifier.volume5-
dc.identifier.issue4-
dc.identifier.spage289-
dc.identifier.epage304-

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