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Article: Numerical studies on shear connectors in push-out tests under elevated temperatures

TitleNumerical studies on shear connectors in push-out tests under elevated temperatures
Authors
KeywordsThermal analysis
Finite element modelling
Shear connector
Structural fire engineering
Issue Date2011
Citation
Structural Engineering and Mechanics, 2011, v. 39, n. 3, p. 317-338 How to Cite?
AbstractThree-dimensional thermal and mechanical coupled finite element models are proposed to study the structural behaviours of shear connectors under fire. Concrete slabs, steel beams and shear connectors are modelled with eight-noded solid elements, and profiled steel deckings are modelled with eight-noded shell elements. Thermal, mechanical and geometrical nonlinearities are incorporated into the models. With the proper incorporation of thermal and mechanical contacts among steel beams, shear connectors, steel deckings and concrete slabs, both of the models are verified to be accurate after the validation against a series of push-out tests in the room temperature or under the standard fire. Various thermal and mechanical responses are also extracted and observed in details from the results of the numerical analyses, which gives a better understanding of the structural behavior of shear connectors under elevated temperatures.
Persistent Identifierhttp://hdl.handle.net/10722/206256
ISSN
2015 Impact Factor: 1.021
2015 SCImago Journal Rankings: 0.450

 

DC FieldValueLanguage
dc.contributor.authorWang, Aaron J.-
dc.date.accessioned2014-10-22T01:25:31Z-
dc.date.available2014-10-22T01:25:31Z-
dc.date.issued2011-
dc.identifier.citationStructural Engineering and Mechanics, 2011, v. 39, n. 3, p. 317-338-
dc.identifier.issn1225-4568-
dc.identifier.urihttp://hdl.handle.net/10722/206256-
dc.description.abstractThree-dimensional thermal and mechanical coupled finite element models are proposed to study the structural behaviours of shear connectors under fire. Concrete slabs, steel beams and shear connectors are modelled with eight-noded solid elements, and profiled steel deckings are modelled with eight-noded shell elements. Thermal, mechanical and geometrical nonlinearities are incorporated into the models. With the proper incorporation of thermal and mechanical contacts among steel beams, shear connectors, steel deckings and concrete slabs, both of the models are verified to be accurate after the validation against a series of push-out tests in the room temperature or under the standard fire. Various thermal and mechanical responses are also extracted and observed in details from the results of the numerical analyses, which gives a better understanding of the structural behavior of shear connectors under elevated temperatures.-
dc.languageeng-
dc.relation.ispartofStructural Engineering and Mechanics-
dc.subjectThermal analysis-
dc.subjectFinite element modelling-
dc.subjectShear connector-
dc.subjectStructural fire engineering-
dc.titleNumerical studies on shear connectors in push-out tests under elevated temperatures-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-79960207671-
dc.identifier.volume39-
dc.identifier.issue3-
dc.identifier.spage317-
dc.identifier.epage338-

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