Abstract
AbstractThis 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 s...
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