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    STP1031

    The Influence of Pavement Evenness and Macrotexture on Fuel Consumption

    Published: 0


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    Abstract

    In order to estimate the influence of evenness and macrotexture of the paved roads on fuel consumption of vehicles, three practical tests have been made: in the laboratory, with a vibrator bench to simulate unevenness; on a track to test the extreme values of the macrotexture of pavements; and on open roads with both unevenness and macrotexture. Pavement characteristics have been recorded with usual apparatus for road engineers. The effects have been expressed as extra fuel consumption, versus a completely smooth and even pavement. Both unevenness and macrotexture show a measurable extra fuel consumption. But the growing laws are not linear, and a compromise can be found for evenness according to maintenance cost and for macrotexture according to safety when wet.

    Keywords:

    evenness, fuel consumption, macrotexture, practical test, road pavement, simulation, test track


    Author Information:

    Laganier, R
    Civil engineers, LCPC, Bougenais,

    Lucas, J
    Civil engineers, LCPC, Bougenais,


    Committee/Subcommittee: E17.51

    DOI: 10.1520/STP23381S