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Measuring, achieving and promoting smoothness of Virginia's asphalt overlays.

File Language:
English


Details

  • Creators:
    McGhee, Kevin K
  • Corporate Creators:
  • Subject/TRT Terms:
  • Publication/ Report Number:
    VTRC 99-R19
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Virginia
  • Edition:
    Final report.May 1996May 1998.
  • Corporate Publisher:
    Virginia Transportation Research Council (VTRC)
  • Abstract:
    This study was initiated with the goal of identifying the predominant factors affecting the achievable smoothness of asphalt overlays. In addition, it chronicles the evolution of Virginia's innovative special provision for smoothness, which was developed specifically for maintenance-type resurfacing. It further provides a critical assessment of the non-traditional equipment and methods as used to administer this smoothness special provision. Finally, it includes a rational economic justification for the continued and expanded use of the pilot specification. Among the notable findings relating to achievable ride quality are the identified associations with functional classification, original surface roughness, and the use of the smoothness special provision. Issues that were not found to relate significantly to achieved smoothness include surface mix type, the use of additional structural layers, the use of milling, and time-of-day restrictions on construction activities (i.e., night paving). The dramatic increase in correlation between original and final surface ride quality when milling of the original surface was performed was another interesting finding, as were the additional costs and corresponding additional benefits associated with the use of the special provision.
  • Format:
    PDF
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:4188c08cef43525e8634f339a3d84abfec9fa56c65e7ba20693f8a3c56f1f34af8391de5f2f92cb5d36c45bc9c30f773ba08ef823d319b9c8f9da8b804cc60a9
  • Download URL:
  • File Type:
    Filetype[PDF - 688.69 KB ]
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