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Evaluate the contribution of the mixture components on the longevity and performance of FC-5 : [summary].
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  • Abstract:
    At its most basic, an asphalt mixture is asphalt

    binder and crushed stone aggregate. This

    seemingly simple mixture is very complex; method

    of preparation and application, additives, and

    aggregate type all influence the quality and

    durability of paved surfaces. Of course, what

    is in the mixture is important, but so is what

    “isn’t” there — the mixture’s air voids. Typical

    asphalt pavements contain 4–7% air voids. An open

    graded friction course (OGFC) mixture is a surface

    mixture with 18-20% voids. OGFC is known for its

    safety and driving comfort benefits due to better

    splash and spray and runoff performance.

    In this project, Rutgers University researchers

    examined a Florida Department of Transportation

    (FDOT) OGFC called FC-5. FDOT had observed

    damage to some roadways paved with FC-5 and

    contracted with the researchers to examine FC-5

    components to understand their contribution to

    FC-5’s performance.

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