Interior car noise created by textured pavement surfaces : final report.
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Interior car noise created by textured pavement surfaces : final report.

Filetype[PDF-1.25 MB]


  • English
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    • Creators:
      Noble, David F
    • Corporate Creators:
      Virginia Highway & Transportation Research Council
    • Subject/TRT Terms:
    • Publication/ Report Number:
      VHTRC 76-R17
    • Resource Type:
      Tech Report
    • Geographical Coverage:
      Virginia
    • Corporate Publisher:
      Virginia Transportation Research Council (VTRC)
    • Abstract:
      Because of widespread concern about the effect of textured pavement surfaces on interior car noise, sound pressure levels (SPL) were measured inside a test vehicle as it traversed 21 pavements with various textures. A linear regression analysis run on the dBA values and the predicted stopping distance numbers (PSDN) for the same pavements showed no correlation between them. It was concluded that noise is directly proportional to the degree of protuberance and to the angularity of the protruding particles, and inversely proportional, to the spacing of longitudinal grooves. From the aspect of annoyance, most of the textures studied did not generate such different intensities of noise as to be perceivable to the occupants of the vehicle. Based on limited data, it appears that transverse grooves tend to created some pure tones in the high frequency range most easily sensed by humans.
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