United States Department of Transportation
i
Optimal usage of de-icing chemicals when scraping ice.
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2003-11-01
[PDF-2.49 MB]
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Edition:Final report.
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Abstract:One of the challenges that faces the winter maintainer is how much chemical to
apply to the road under given conditions. Insufficient chemical can lead to the road
surface becoming slick, and the road thus becoming unsafe. In all likelihood, additional
applications will have to be made, requiring additional effort and use of resources.
However, too much chemical can also be bad. While an excess of chemical will ensure
(in most circumstances) that a safe road condition is achieved, it may also result in a
substantial waste of chemical (with associated costs for this waste) and in ancillary
damage to the road itself and to the surrounding environment. Ideally, one should apply
what might be termed the “goldilocks” amount of chemical to the road: Not too much,
and not too little, but just right.
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