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Article: Effects of elevated temperatures on bolted moment-connections between cold-formed steel members

TitleEffects of elevated temperatures on bolted moment-connections between cold-formed steel members
Authors
KeywordsBearing shear strength
Bolted moment-connections
Catenary action
Cold-formed steel
Elevated temperatures
Issue Date2007
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2007, v. 29 n. 10, p. 2419-2427 How to Cite?
AbstractExperimental investigations at ambient temperature into the behaviour of bolted moment-connections between cold-formed steel members have previously been described. Full-scale joint tests have demonstrated that the channel-sections being connected are susceptible to premature failure, the result of web buckling caused by the concentration of load transfer from the bolts. The results of tests on bolted lap joints have been used to propose design recommendations for the shear strength in bearing of the bolt-hole. For both types of test, the results of non-linear elasto-plastic finite element analyses have been shown to have good agreement. No consideration, however, has been given to the behaviour of such connections at elevated temperatures. This paper describes non-linear elasto-plastic finite element parametric studies into the effects of elevated temperatures on bolted moment-connections between cold-formed steel members. Two issues at elevated temperatures are investigated: •the reduced moment-capacity of the channel-sections at the joints•the reduced shear strength in bearing of the bolt-hole, which in fire will be required to resist catenary action. From the results of the parametric studies, simple design rules are proposed that will enable designers to take into account the effects of elevated temperatures. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71680
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLim, JBPen_HK
dc.contributor.authorYoung, Ben_HK
dc.date.accessioned2010-09-06T06:34:11Z-
dc.date.available2010-09-06T06:34:11Z-
dc.date.issued2007en_HK
dc.identifier.citationEngineering Structures, 2007, v. 29 n. 10, p. 2419-2427en_HK
dc.identifier.issn0141-0296en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71680-
dc.description.abstractExperimental investigations at ambient temperature into the behaviour of bolted moment-connections between cold-formed steel members have previously been described. Full-scale joint tests have demonstrated that the channel-sections being connected are susceptible to premature failure, the result of web buckling caused by the concentration of load transfer from the bolts. The results of tests on bolted lap joints have been used to propose design recommendations for the shear strength in bearing of the bolt-hole. For both types of test, the results of non-linear elasto-plastic finite element analyses have been shown to have good agreement. No consideration, however, has been given to the behaviour of such connections at elevated temperatures. This paper describes non-linear elasto-plastic finite element parametric studies into the effects of elevated temperatures on bolted moment-connections between cold-formed steel members. Two issues at elevated temperatures are investigated: •the reduced moment-capacity of the channel-sections at the joints•the reduced shear strength in bearing of the bolt-hole, which in fire will be required to resist catenary action. From the results of the parametric studies, simple design rules are proposed that will enable designers to take into account the effects of elevated temperatures. © 2006 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_HK
dc.relation.ispartofEngineering Structuresen_HK
dc.subjectBearing shear strengthen_HK
dc.subjectBolted moment-connectionsen_HK
dc.subjectCatenary actionen_HK
dc.subjectCold-formed steelen_HK
dc.subjectElevated temperaturesen_HK
dc.titleEffects of elevated temperatures on bolted moment-connections between cold-formed steel membersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-0296&volume=29&spage=2419&epage=2427&date=2007&atitle=Effects+of+Elevated+Temperatures+on+Bolted+Moment-connections+between+Cold-formed+Steel+Membersen_HK
dc.identifier.emailYoung, B:young@hku.hken_HK
dc.identifier.authorityYoung, B=rp00208en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.engstruct.2006.11.027en_HK
dc.identifier.scopuseid_2-s2.0-34548362044en_HK
dc.identifier.hkuros149263en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34548362044&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue10en_HK
dc.identifier.spage2419en_HK
dc.identifier.epage2427en_HK
dc.identifier.isiWOS:000249856300001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLim, JBP=7403452656en_HK
dc.identifier.scopusauthoridYoung, B=7402192398en_HK

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