Over the last several years Colorado asphalt pavements have experienced early deterioration and premature pavement failures. The study evaluated the product, Gilsonite. Gilsonite is a naturally occurring solid hydrocarbon and is currently being marketed as a asphalt modifier. Gilsonite is a modifier which is intended to increase the stability of the pavement and help resist rutting often found on today's pavements. Following the 3-year evaluation, the data indicates the addition of Gilsonite, although it does appear to reduce or retard rutting, tends to harden the pavement creating a pavement structure which is more susceptible to premature cracking. The cracks appeared at a much faster rate and the cracks tended to deteriorate quicker and to a greater extent in the Gilsonite section.


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    Title :

    Gilsonite, an Asphalt Modifier


    Contributors:

    Publication date :

    1992


    Size :

    38 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English