Electrical Deicing Utilizing Carbon Fiber Tape for Asphalt Approach and Crosswalk Phase I – Literature Review
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2016-06-30
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Edition:Literature Review, up to Dec. 2015
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Abstract:The purpose of this study is to provide a comprehensive literature review of electrical deicing technology for possible application in asphalt approach and crosswalks. A thorough review of existing and emerging deicing technology for snow/ice melting was conducted. Particularly, the carbon fiber tape (CFT) deicing technology and its recent applications was summarized. The operation cost of such system was reviewed and compared with that of a hydronic system. Finally, current state of the practice of intersection/crosswalk winter maintenance was surveyed among state DOT’s. The intersection/crosswalk winter maintenance procedure adopted by the Central Region Maintenance & Operation (M&O) of the State of Alaska Department of Transportation and Public Facilities (AK DOT&PF) was described, and the annual winter M&O cost per intersection was estimated. It was found that the annual energy cost of the CFT deicing technology is about the average annual M&O cost of current practice. In addition, an automatic electrical deicing system will bring the benefits such as minimized delay time and improved safety for pedestrian and vehicular traffic in an urban application. As AK DOT&PF maintains a quite large inventory of intersections/ crosswalks within Anchorage, we think an electrical deicing system such as the CFT system is well worthy of consideration and the investment, and would recommend such technology be tested in Asphalt pavement to verify its suitability for application in intersection/crosswalk winter maintenance.
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