Experimental Study of Combined Effects of Fibers and Nanosilica on Mechanical Properties of Cemented Sand
Publication: Journal of Materials in Civil Engineering
Volume 28, Issue 6
Abstract
In this study, a series of laboratory tests were performed to investigate the effects of nanosilica and polyvinyl alcohol (PVA) fiber on the mechanical properties and durability of cemented sand. The cement contents were 2, 4, and 6% by weight of the dry sand, and specimens were cured for 7, 28, and 90 days. The fiber contents were 0.0, 0.3, 0.6, and 1% by weight of dry sand cement mixture, and the nanosilica contents were 0, 4, 8, and 12% by weight of cement. Unconfined compression strength (UCS) and resist chloride ion penetration (CIP) were assessed in this study. The results showed an optimum percentage for the nanosilica in which the behavior of fiber-reinforced cemented sand improves significantly.
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References
ASTM. (2012). “Standard test method for electrical indication of concrete’s ability to resist chloride ion penetration.” ASTM C1202-12, West Conshohocken, PA.
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Published In
Journal of Materials in Civil Engineering
Volume 28 • Issue 6 • June 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Feb 10, 2015
Accepted: Nov 2, 2015
Published online: Jan 7, 2016
Published in print: Jun 1, 2016
Discussion open until: Jun 7, 2016
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