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Sensors 2017, 17(12), 2912; https://doi.org/10.3390/s17122912

A Novel Concrete-Based Sensor for Detection of Ice and Water on Roads and Bridges

Department of Civil and Environmental Engineering, University of Wisconsin, Milwaukee, 3200 N Cramer St, Milwaukee, WI 53211, USA
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Author to whom correspondence should be addressed.
Received: 13 November 2017 / Revised: 6 December 2017 / Accepted: 12 December 2017 / Published: 14 December 2017
(This article belongs to the Section Physical Sensors)
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Abstract

Hundreds of people are killed or injured annually in the United States in accidents related to ice formation on roadways and bridge decks. In this paper, a novel embedded sensor system is proposed for the detection of black ice as well as wet, dry, and frozen pavement conditions on roads, runways, and bridges. The proposed sensor works by detecting changes in electrical resistance between two sets of stainless steel poles embedded in the concrete sensor to assess surface and near-surface conditions. A preliminary decision algorithm is developed that utilizes sensor outputs indicating resistance changes and surface temperature. The sensor consists of a 102-mm-diameter, 38-mm-high, concrete cylinder. Laboratory results indicate that the proposed sensor can effectively detect surface ice and wet conditions even in the presence of deicing chlorides and rubber residue. This sensor can further distinguish black ice from ice that may exist within concrete pores. View Full-Text
Keywords: concrete; black ice; safety; ice detection; bridge decks; pavements; electrical resistance concrete; black ice; safety; ice detection; bridge decks; pavements; electrical resistance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Tabatabai, H.; Aljuboori, M. A Novel Concrete-Based Sensor for Detection of Ice and Water on Roads and Bridges. Sensors 2017, 17, 2912.

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