Torsional and flexural buckling of composite FRP columns with cruciform sections considering local instabilities

Naderian, H. R., Ronagh, H. R. and Azhari, M. (2011) Torsional and flexural buckling of composite FRP columns with cruciform sections considering local instabilities. Composite Structures, 93 10: 2575-2586. doi:10.1016/j.compstruct.2011.04.020


Author Naderian, H. R.
Ronagh, H. R.
Azhari, M.
Title Torsional and flexural buckling of composite FRP columns with cruciform sections considering local instabilities
Journal name Composite Structures   Check publisher's open access policy
ISSN 0263-8223
1879-1085
Publication date 2011-09-01
Sub-type Article (original research)
DOI 10.1016/j.compstruct.2011.04.020
Open Access Status Not Open Access
Volume 93
Issue 10
Start page 2575
End page 2586
Total pages 12
Place of publication Oxford, United Kingdom
Publisher Elsevier
Language eng
Abstract In this paper, a semi-analytical finite strip method is developed for the prediction of torsional and flexural buckling stresses of composite FRP columns under pure compression. Numerical finite strip results will be compared with those obtained from closed-form equations for doubly symmetric open thin-walled FRP sections. The accuracy of the proposed finite strip method in determining critical flexural and torsional stresses of FRP columns will be assessed. Among the composite FRP columns with doubly symmetric open sections, buckling behavior of stiffened and unstiffened FRP cruciform sections will be evaluated and case studies performed. The effect of material properties and longitudinal stiffeners applied at the end of the web-plate and flange-plate on buckling modes of composite FRP cruciform sections is also reviewed.
Keyword Torsional buckling
Flexural buckling
Semi-analytical finite strip method
Thin-walled
Cruciform sections
FRP composite columns
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2012 Collection
 
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