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Article: Design of cold-formed channels subjected to web crippling

TitleDesign of cold-formed channels subjected to web crippling
Authors
Issue Date2001
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.html
Citation
Journal Of Structural Engineering, 2001, v. 127 n. 10, p. 1137-1144 How to Cite?
AbstractA series of tests on cold-formed unlipped channels with comparatively stocky webs and subjected to web crippling is presented in this paper. The web slenderness values of the channels ranged from 15.3 to 45. The tests were conducted under the four loading conditions (End-One-Flange, Interior-One-Flange, End-Two-Flange, and Interior-Two-Flange) specified in the Australian/New Zealand and American specifications for cold-formed steel structures. The test strengths are compared with the design strengths obtained using the specifications. It is demonstrated that the design strengths predicted by the specifications are generally unconservative for unlipped channels. Test strengths as low as 43% of the design strengths were obtained. Hence, new web crippling design equations for unlipped channels are proposed in this paper. The proposed design equations are derived based on a simple plastic mechanism model, and the web crippling strength is obtained by dispersing the bearing load through the web. It is shown that the web crippling strengths predicted by the proposed design equations are generally conservative for unlipped channels with web slenderness values of less than or equal to 45. It is concluded that the proposed design equations for unlipped channels having stocky webs are reliable.
Persistent Identifierhttp://hdl.handle.net/10722/150194
ISSN
2015 Impact Factor: 1.7
2015 SCImago Journal Rankings: 1.431
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYoung, Ben_US
dc.contributor.authorHancock, GJen_US
dc.date.accessioned2012-06-26T06:02:08Z-
dc.date.available2012-06-26T06:02:08Z-
dc.date.issued2001en_US
dc.identifier.citationJournal Of Structural Engineering, 2001, v. 127 n. 10, p. 1137-1144en_US
dc.identifier.issn0733-9445en_US
dc.identifier.urihttp://hdl.handle.net/10722/150194-
dc.description.abstractA series of tests on cold-formed unlipped channels with comparatively stocky webs and subjected to web crippling is presented in this paper. The web slenderness values of the channels ranged from 15.3 to 45. The tests were conducted under the four loading conditions (End-One-Flange, Interior-One-Flange, End-Two-Flange, and Interior-Two-Flange) specified in the Australian/New Zealand and American specifications for cold-formed steel structures. The test strengths are compared with the design strengths obtained using the specifications. It is demonstrated that the design strengths predicted by the specifications are generally unconservative for unlipped channels. Test strengths as low as 43% of the design strengths were obtained. Hence, new web crippling design equations for unlipped channels are proposed in this paper. The proposed design equations are derived based on a simple plastic mechanism model, and the web crippling strength is obtained by dispersing the bearing load through the web. It is shown that the web crippling strengths predicted by the proposed design equations are generally conservative for unlipped channels with web slenderness values of less than or equal to 45. It is concluded that the proposed design equations for unlipped channels having stocky webs are reliable.en_US
dc.languageengen_US
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/st.htmlen_US
dc.relation.ispartofJournal of Structural Engineeringen_US
dc.titleDesign of cold-formed channels subjected to web cripplingen_US
dc.typeArticleen_US
dc.identifier.emailYoung, B:young@hku.hken_US
dc.identifier.authorityYoung, B=rp00208en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1061/(ASCE)0733-9445(2001)127:10(1137)en_US
dc.identifier.scopuseid_2-s2.0-0035482304en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035482304&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume127en_US
dc.identifier.issue10en_US
dc.identifier.spage1137en_US
dc.identifier.epage1144en_US
dc.identifier.isiWOS:000171171200003-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.scopusauthoridHancock, GJ=7102177062en_US

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