Two finite-element (FE) models for evaluating the lateral buckling loads of simply supported single- and two-span continuous unstiffened and carbon-fibre-reinforced plastic (CFRP) strip stiffened pultruded glass-reinforced plastic (GRP) wide-flange (WF) beams are presented. Eigenvalue analyses of the FE models are used to calculate the lateral buckling loads of unstiffened and CFRP stiffened beams. The effects of varying the stiffener geometry (thickness, width, etc.) and stiffener arrangement (CFRP strips bonded to bottom flange, top flange, etc.) on the critical buckling loads are quantified. It is shown that stiffeners increase the buckling loads of single-span beams more than two-span continuous beams and that only bonding CFRP strips to the top flange is a near-optimal stiffener arrangement.
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September 2009
Research Article|
September 01 2009
Lateral buckling of CFRP-stiffened pultruded GRP beams
G. J. Turvey, MSc, PhD, DIC, CEng, MICE, MIStructE;
G. J. Turvey, MSc, PhD, DIC, CEng, MICE, MIStructE
Senior Lecturer
Engineering Department, Lancaster University, UK
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W. Wei, MS, PhD
W. Wei, MS, PhD
Professor
School of Civil Engineering and Architecture, Wuhan University of Technology, PR China
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Publisher: Emerald Publishing
Revision Received:
May 16 2008
Accepted:
December 26 2008
Online ISSN: 1755-0785
Print ISSN: 1755-0777
© 2009 Thomas Telford Ltd
2009
Proceedings of the Institution of Civil Engineers - Engineering and Computational Mechanics (2009) 162 (3): 145–153.
Article history
Revision Received:
May 16 2008
Accepted:
December 26 2008
Citation
Turvey GJ, Wei W (2009), "Lateral buckling of CFRP-stiffened pultruded GRP beams". Proceedings of the Institution of Civil Engineers - Engineering and Computational Mechanics, Vol. 162 No. 3 pp. 145–153, doi: https://doi.org/10.1680/eacm.2009.162.3.145
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