Finite-Element Formulations for the Spatial Static Response of Steel Beams Bonded to a GFRP Plate
Publication: Journal of Engineering Mechanics
Volume 141, Issue 4
Abstract
This study develops four finite elements (FEs) for the analysis of wide-flange steel beams reinforced with a glass fiber–reinforced polymer (GFRP) plate bonded together via an adhesive layer. The formulations treat each of the steel beams and GFRP plates as Vlasov-Gjelsvik thin-walled beams. Two elements are based on shear-deformable kinematics, whereas the other two are based on non-shear-deformable kinematics. The formulations capture the longitudinal-flexural and lateral-torsional responses of the system. Results are then compared with three-dimensional FE analysis solutions based on a current computer program, and the importance of incorporating shear-deformation effects is illustrated, particularly when predicting predominantly torsional responses. The formulation is used to investigate the interaction effect of the shear modulus of the adhesive layer and the length of the GFRP plate.
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Acknowledgments
The authors gratefully acknowledge financial support from the Vietnamese government through a full scholarship to the first author. Additional support from the Natural Sciences and Engineering Council (NSERC) of Canada to the second author is gratefully acknowledged.
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Published In
Journal of Engineering Mechanics
Volume 141 • Issue 4 • April 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jan 21, 2014
Accepted: Aug 8, 2014
Published online: Sep 10, 2014
Published in print: Apr 1, 2015
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