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Development of methods and specifications for the use of inertial profilers and the international roughness index for newly constructed pavement.

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English


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  • Creators:
    Harris, Dwayne
  • Corporate Creators:
    Purdue University. Joint Transportation Research Program
  • Corporate Contributors:
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA/IN/JTRP-2013/09
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Indiana
  • Corporate Publisher:
    Purdue University. Joint Transportation Research Program
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance ; NTL-HIGHWAY/ROAD TRANSPORTATION-Design
  • Abstract:
    The Indiana Department of Transportation (INDOT) is currently utilizing a profilograph and the profile index for measuring smoothness

    assurance for newly constructed pavements. However, there are benefits to implementing a new IRI based smoothness specification

    utilizing road profiles measured using inertial profilers. Technological advancements have improved the quality of road profiles

    measured using inertial profilers; furthermore, utilizing inertial profilers allows smoothness data to be collected much more quickly and

    efficiently than the methodology currently utilized by INDOT. Pavement smoothness quantified using International Roughness Index (IRI)

    calculated using profiles provided by inertial profiles is better correlated to user response than what is currently being utilized by INDOT.

    Furthermore, INDOT currently utilizes IRI to monitor the pavement smoothness throughout the remaining life of the pavement.

    Consequently, Utilizing IRI for measuring the smoothness of newly constructed pavements allows seamless monitoring of pavement

    smoothness from cradle to grave. This study presents an IRI based draft smoothness specification for newly constructed pavements

    utilizing profiles provide by inertial profilers. The process developing a draft specification included developing pay factor tables,

    developing the methodology for calculating the smoothness bonus, developing methodology for locating areas of localized roughness,

    and developing inertial profiler certification procedures.

  • Format:
    PDF
  • Funding:
    SPR-3300
  • Collection(s):
  • Main Document Checksum:
    urn:sha256:e8e8d48a99ec86535c675bc37cc9b9722e86171eb4a67bf8a73601f0e2eb50d8
  • Download URL:
  • File Type:
    Filetype[PDF - 17.52 MB ]
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