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Effects of pavement surface texture on noise and frictional characteristics.

File Language:
English


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  • Edition:
    Final report.
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  • Abstract:
    An experimental modification of the transverse groove

    surface texture of a section of an urban interstate highway was

    performed by the Iowa Department of Transportation. Transverse

    groove texturing is a design feature required by the Federal

    Highway Administration to reduce skidding under wet pavement

    conditions. Adjacent residents claimed the texturing was the

    cause of especially annoying tonal characteristics within the

    traffic noise. A research proposal to modify the existing

    texture pattern by surface grinding and to study the noise and

    friction effects was approved for funding by the Iowa Highway

    Research Board. Results in the form of a comparison between

    traffic noise before modification and traffic noise immediately

    after and 15 months after modification indicate that the change

    in surface texture has lowered overall traffic noise levels by

    reducing a high frequency component of the traffic noise

    spectrum. Friction testing data show reduced capacity of the

    roadway to inhibit wet pavement skidding as a result of the

    surface modification.

  • Format:
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    urn:sha-512:3cb4261304a362f7421e8b03bf2b90afe6da8889353ee4351f919fa35eb3d0fd5c8b943aa9d0b59fed13673eb7fa408d3445fa458ef9305f41c12403c4bccd43
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    Filetype[PDF - 1.30 MB ]
File Language:
English
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