Strain-Rate Sensitivity of a Pultruded E-Glass/Polyester Composite
Publication: Journal of Composites for Construction
Volume 13, Issue 6
Abstract
Structural analysis of composite structures subjected to dynamic loads requires detailed knowledge of the mechanical behavior of component materials under high strain-rates. This paper presents the results of tests to investigate the tensile dynamic behavior of a pultruded E-glass/polyester composite used in a steel-less blast protection barrier. The described activity is part of the Security of Airport Structures research project, focusing on structural protection of airport infrastructures against disruptive action. Modified Hopkinson bars and hydropneumatic machine devices were used to conduct strain-rate controlled tensile failure tests on glass fiber-reinforced polymer specimens. The results are discussed and then implemented within a viscoplasticity constitutive model and a strain-rate-dependent failure criterion in order to simulate the exhibited mechanical behavior.
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Acknowledgments
The writers are grateful to AMRA and the UNSPECIFIEDEuropean Commission for their financial support of the activities. The writers would also like to thank Matteo Dotta, Daniele Forni, and Samuel Antonietti of the University of Applied Sciences of Southern Switzerland for their precious collaboration in carrying out laboratory tests.
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 13 • Issue 6 • December 2009
Pages: 558 - 564
Copyright
© 2009 ASCE.
History
Received: Sep 24, 2008
Accepted: Mar 6, 2009
Published online: Nov 13, 2009
Published in print: Dec 2009
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