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Article: Design formulations for non-welded and welded aluminium columns using Continuous Strength Method

TitleDesign formulations for non-welded and welded aluminium columns using Continuous Strength Method
Authors
Keywords0.2% proof stress
Aluminium structures
Buckling curves
Code predictions
Continuous strength method
Issue Date2011
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct
Citation
Engineering Structures, 2011, v. 33 n. 12, p. 3197-3207 How to Cite?
AbstractAluminium members are used in structural applications due to their high strength-to-weight ratio, corrosion resistance, attractive appearance, recyclability, ease of production and availability. Thin aluminium sections are susceptible to buckling at a relatively low stress and welding makes it even worse; the design stress i.e. 0.2% proof stress is almost halved in the vicinity of the heat affected zones (HAZs). Currently available design codes have their guidelines both for welded and non-welded aluminium columns, but the predictions for welded aluminium columns are often quite inconsistent. The current research exploits a newly developed strain based design approach the 'Continuous Strength Method' (CSM) to predict the behaviour of aluminium members with SHS and RHS cross-sections subjected to compression. A new design curve is proposed herein to predict the cross-sectional resistance in compression; this concept is further extended to propose a new Perry type buckling curve to predict the flexural buckling resistance of aluminium columns. A simplified technique is proposed to include the effect of heat affected zone (HAZ) in CSM formulations. The CSM predictions for aluminium columns are compared against those obtained using available guidelines proposed by the European, American and Australian/ New Zealand standards of aluminium structures. The CSM predictions for non-welded columns are in line with the code predictions, whilst the proposed simple technique for transversely welded columns seems to produce significantly improved predictions. © 2011 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/150602
ISSN
2015 Impact Factor: 1.893
2015 SCImago Journal Rankings: 1.813
ISI Accession Number ID
Funding AgencyGrant Number
The University of Hong Kong
Funding Information:

The work described in this paper was supported by the William M.W. Mong Engineering Research Fund provided by The University of Hong Kong.

References

 

DC FieldValueLanguage
dc.contributor.authorAshraf, Men_US
dc.contributor.authorYoung, Ben_US
dc.date.accessioned2012-06-26T06:06:04Z-
dc.date.available2012-06-26T06:06:04Z-
dc.date.issued2011en_US
dc.identifier.citationEngineering Structures, 2011, v. 33 n. 12, p. 3197-3207en_US
dc.identifier.issn0141-0296en_US
dc.identifier.urihttp://hdl.handle.net/10722/150602-
dc.description.abstractAluminium members are used in structural applications due to their high strength-to-weight ratio, corrosion resistance, attractive appearance, recyclability, ease of production and availability. Thin aluminium sections are susceptible to buckling at a relatively low stress and welding makes it even worse; the design stress i.e. 0.2% proof stress is almost halved in the vicinity of the heat affected zones (HAZs). Currently available design codes have their guidelines both for welded and non-welded aluminium columns, but the predictions for welded aluminium columns are often quite inconsistent. The current research exploits a newly developed strain based design approach the 'Continuous Strength Method' (CSM) to predict the behaviour of aluminium members with SHS and RHS cross-sections subjected to compression. A new design curve is proposed herein to predict the cross-sectional resistance in compression; this concept is further extended to propose a new Perry type buckling curve to predict the flexural buckling resistance of aluminium columns. A simplified technique is proposed to include the effect of heat affected zone (HAZ) in CSM formulations. The CSM predictions for aluminium columns are compared against those obtained using available guidelines proposed by the European, American and Australian/ New Zealand standards of aluminium structures. The CSM predictions for non-welded columns are in line with the code predictions, whilst the proposed simple technique for transversely welded columns seems to produce significantly improved predictions. © 2011 Elsevier Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstructen_US
dc.relation.ispartofEngineering Structuresen_US
dc.subject0.2% proof stressen_US
dc.subjectAluminium structuresen_US
dc.subjectBuckling curvesen_US
dc.subjectCode predictionsen_US
dc.subjectContinuous strength methoden_US
dc.titleDesign formulations for non-welded and welded aluminium columns using Continuous Strength Methoden_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.doi10.1016/j.engstruct.2011.07.027en_US
dc.identifier.scopuseid_2-s2.0-80053380717en_US
dc.identifier.hkuros209536-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80053380717&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume33en_US
dc.identifier.issue12en_US
dc.identifier.spage3197en_US
dc.identifier.epage3207en_US
dc.identifier.isiWOS:000297823200008-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYoung, B=7402192398en_US
dc.identifier.scopusauthoridAshraf, M=7201371795en_US
dc.identifier.citeulike9832204-

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