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- Publisher Website: 10.1016/j.engstruct.2011.07.027
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Article: Design formulations for non-welded and welded aluminium columns using Continuous Strength Method
Title | Design formulations for non-welded and welded aluminium columns using Continuous Strength Method | ||||
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Authors | |||||
Keywords | 0.2% proof stress Aluminium structures Buckling curves Code predictions Continuous strength method | ||||
Issue Date | 2011 | ||||
Publisher | Pergamon. 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? | ||||
Abstract | Aluminium 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 Identifier | http://hdl.handle.net/10722/150602 | ||||
ISSN | 2023 Impact Factor: 5.6 2023 SCImago Journal Rankings: 1.661 | ||||
ISI Accession Number ID |
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 Field | Value | Language |
---|---|---|
dc.contributor.author | Ashraf, M | en_US |
dc.contributor.author | Young, B | en_US |
dc.date.accessioned | 2012-06-26T06:06:04Z | - |
dc.date.available | 2012-06-26T06:06:04Z | - |
dc.date.issued | 2011 | en_US |
dc.identifier.citation | Engineering Structures, 2011, v. 33 n. 12, p. 3197-3207 | en_US |
dc.identifier.issn | 0141-0296 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/150602 | - |
dc.description.abstract | Aluminium 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.language | eng | en_US |
dc.publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/engstruct | en_US |
dc.relation.ispartof | Engineering Structures | en_US |
dc.subject | 0.2% proof stress | en_US |
dc.subject | Aluminium structures | en_US |
dc.subject | Buckling curves | en_US |
dc.subject | Code predictions | en_US |
dc.subject | Continuous strength method | en_US |
dc.title | Design formulations for non-welded and welded aluminium columns using Continuous Strength Method | en_US |
dc.type | Article | en_US |
dc.identifier.email | Young, B: young@hku.hk | en_US |
dc.identifier.authority | Young, B=rp00208 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/j.engstruct.2011.07.027 | en_US |
dc.identifier.scopus | eid_2-s2.0-80053380717 | en_US |
dc.identifier.hkuros | 209536 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-80053380717&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 33 | en_US |
dc.identifier.issue | 12 | en_US |
dc.identifier.spage | 3197 | en_US |
dc.identifier.epage | 3207 | en_US |
dc.identifier.isi | WOS:000297823200008 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Young, B=7402192398 | en_US |
dc.identifier.scopusauthorid | Ashraf, M=7201371795 | en_US |
dc.identifier.citeulike | 9832204 | - |
dc.identifier.issnl | 0141-0296 | - |