Fatigue Response of New Graphite/Epoxy-Concrete Girder
Publication: Journal of Composites for Construction
Volume 7, Issue 1
Abstract
A new graphite/epoxy/concrete (G/E/C) cross section was developed and tested under fatigue loading with constant amplitude for one million cycles. The cross section consisted of a G/E box element, a G/E channel element, a concrete slab, and a concrete box formed by the walls of the G/E elements. Epoxy resin and vertical steel stirrups provided shear connection between G/E elements and the concrete slab. The results showed that the epoxy interface slipped after 150,000 cycles of fatigue loading. Softening of the girder continued for another 350,000 cycles of loading, after which the stiffness and strains stabilized. The failure testing of the girder after fatigue loading showed that the load and displacement capacities were only moderately reduced by fatigue loading.
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References
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 7 • Issue 1 • February 2003
Pages: 50 - 57
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: May 29, 2001
Accepted: Sep 12, 2001
Published online: Jan 15, 2003
Published in print: Feb 2003
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