Overview of long-term, multiple pavement type, tire/road noise study
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Overview of long-term, multiple pavement type, tire/road noise study

Filetype[PDF-49.90 KB]

  • English

  • Details:

    • Alternative Title:
      NOISE-CON 2001
    • Resource Type:
    • Geographical Coverage:
    • Abstract:
      The Volpe Center Acoustics Facility, in support of the California Department of

      Transportation (Caltrans), has begun a five-year study to assess several types of pavement for

      the purpose of noise abatement. On Highway 138 in Southern California (a desert area about

      20 miles west of Lancaster), a 6.4-kilometer (4-mi) stretch of roadway has been chosen as the

      site for pavement overlays. A preliminary measurement program determined that the existing

      pavement on this roadway was highly irregular and in need of repair. As such, this stretch of

      Highway 138 will first be treated with a leveling course in order to have uniform base

      pavement, after which 4 or 5 different types of pavement will be overlaid in long sections, the

      shortest being 0.4 km (0.25 mi). The leveling course will be dense-graded asphalt concrete

      (DGAC), and the pavement types for the overlays are expected to include open-graded

      asphalt concrete (OGAC) with varying depths, rubberized asphalt concrete (RAC), and

      bonded wearing course (BWC). The overlay sections are referred to as the test sections.

      Two sections of the uniform base will remain untouched without any overlays; these sections

      are referred to as the reference sections.

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