Performance of an Anti-Icing Epoxy Overlay on Asphalt Surfaces
Publication: Journal of Performance of Constructed Facilities
Volume 27, Issue 6
Abstract
This paper summarizes the evaluation of a thin-bonded epoxy overlay placed on an asphalt-wearing surface in an effort to increase skid resistance, decrease wear of the bridge deck, reduce the development of bonded snow and ice during winter conditions, and provide a safe drivable surface. The uniqueness of this study is the installation of a polymer-based overlay with anti-icing/antiskid properties on an asphalt-wearing surface. This thin-bonded epoxy overlay was examined based on mean texture depth, surface friction, bond strength, ability to stop chloride intrusion, anti-icing properties, traffic safety, and cost. Mean texture depth and friction testing produced a durable wearing surface with good traction. Bond strength test results demonstrated that the asphalt layer will fail prior to the epoxy overlay. Chloride content of the concrete bridge deck decreased with the use of the thin-bonded overlay. The anti-icing property of the overlay is effective when precharged with deicing chemicals but seems ineffective with excess moisture present on the overlay surface. A reduction in crashes has been observed after one winter season; however, further study is required.
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References
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 27 • Issue 6 • December 2013
Pages: 836 - 840
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Aug 14, 2011
Accepted: Jun 5, 2012
Published online: Aug 8, 2012
Published in print: Dec 1, 2013
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