Behavior of PVA Fiber-Reinforced Cementitious Composites under Static and Impact Flexural Effects
Publication: Journal of Materials in Civil Engineering
Volume 25, Issue 10
Abstract
The effects of fiber volume fraction and matrix properties on the mechanical performance of 15-mm thick short cut PVA (polyvinyl alcohol) fiber-reinforced cementitious composites were investigated experimentally. Fiber volume ratios of mixtures varied between 0.5 and 2.0% by volume. Two different water to cement ratios () have been used (0.25 and 0.35) for matrix production. Test results have shown that both fiber content and matrix strength have significant effects on flexural behavior and impact resistance of these composites. The combined effect of and fiber volume fraction on impact resistance was more drastic compared with specific fracture energies of composites determined under static loads. Especially under the effects of impact loads, higher values of and increased PVA fiber content significantly improved the energy absorption capacity of these composites.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 25 • Issue 10 • October 2013
Pages: 1438 - 1445
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jan 31, 2012
Accepted: Sep 18, 2012
Published online: Sep 22, 2012
Discussion open until: Feb 22, 2013
Published in print: Oct 1, 2013
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