Compression resistance of aluminium stub columns using Continuous Strength Method

Ashraf, Mahmud and Young, Ben 2010, Compression resistance of aluminium stub columns using Continuous Strength Method, in Proceedings of the 13th International Symposium on Tubular Structures, CRC Press, Boca Raton, Florida, pp. 257-263, doi: 10.1201/b10564-36.


Title Compression resistance of aluminium stub columns using Continuous Strength Method
Author(s) Ashraf, MahmudORCID iD for Ashraf, Mahmud orcid.org/0000-0002-5207-2407
Young, Ben
Conference name Tubular Structures. International Symposium (13th : 2010 : Hong Kong, China)
Conference location Hong Kong, China
Conference dates 15 - 17 Dec. 2010
Title of proceedings Proceedings of the 13th International Symposium on Tubular Structures
Editor(s) Young, Ben
Publication date 2010
Start page 257
End page 263
Total pages 7
Publisher CRC Press
Place of publication Boca Raton, Florida
Keyword(s) Science & Technology
Technology
Construction & Building Technology
Engineering, Civil
Engineering
ALLOY TUBULAR COLUMNS
DESIGN
MEMBERS
Summary Aluminium members are getting more popular in structural applications due to their high strength-to-weight ratio, corrosion resistance, attractive appearance, recyclability, ease of production and availability. The elastic modulus of aluminium, however, is only a third of ordinary steel, makes it vulnerable to excessive deflection. Thin sections are susceptible to local 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 Heat Affected Zones (HAZ). Currently available design Codes have their guidelines both for welded and non-welded aluminium columns, which seem to produce conservative predictions for aluminium cross-sections subjected to compression. The current research aims to exploit a newly developed strain based design approach 'Continuous Strength Method (CSM)' to predict the behaviour of aluminium tubular cross-sections subjected to compression. This paper also explores the applicability of CSM to include the effects of HAZ.
ISBN 9780415584739
Language eng
DOI 10.1201/b10564-36
Indigenous content off
HERDC Research category E1.1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30125168

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