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    Establishing and testing detection methods for anti-icing and deicing chemicals using spectral data

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    Author
    Fulton, Gabriel
    Chair
    Belz, Nathan
    Committee
    Meyer, Franz
    Stuefer, Svetlana
    Keyword
    roads
    snow and ice control
    Alaska
    ice prevention and control
    chlorides
    spectra
    Metadata
    Show full item record
    URI
    http://hdl.handle.net/11122/10619
    Abstract
    Snow and ice accumulation on pavement reduce roadway surface friction and consequently result in diminished vehicle maneuverability, slower travel speeds, reduced roadway capacity, and increased crash risk. Though the use of chlorides and other freeze-inhibiting substances have been shown to reduce these negative factors, methods to quantify and analyze snow and ice remediation methods as well as the imposed loss of material are needed to allow state and municipal agencies to better allocate winter maintenance resources and funding. The use and application of chlorides, sand, and their related mixtures have proven to be highly effective for controlling or removing the development of ice on the roadway surface. However, if the amount of salt in solution becomes too dilute, then it no longer retains the capacity to control the development of, or to melt, ice on the roadway and may prove to be more detrimental by allowing the previously melted material to refreeze with a smoother (i.e., more slippery) surface state. The goal of this project was to determine to what extent winter roadway surfaces can be analyzed using spectrometry to determine the longevity and coverage of various types of applications. Using a systematically paired analysis of changes in spectrometric curves as solution concentrations change, relationships were generated which detected change in deicing and anti-icing compounds reliably in a lab setting. Field results were less reliable, suggesting that further comparisons and a more in-depth spectral library are needed.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 2019
    Date
    2019-08
    Type
    Thesis
    Collections
    Engineering

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