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Development of index based pavement performance models for pavement management system (PMS) of LADOTD : tech summary.
  • Published Date:
    2009-03-01
  • Language:
    English
Filetype[PDF-153.60 KB]


Details:
  • Publication/ Report Number:
  • Resource Type:
  • Geographical Coverage:
  • OCLC Number:
    712598869
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance ; NTL-HIGHWAY/ROAD TRANSPORTATION-Design ;
  • Abstract:
    A research study was initiated by the Louisiana Department of Transportation and Development (LADOTD) in conjunction with the

    Federal Highway Administration (FHWA) to evaluate the overall performance and eff ectiveness of LADOTD’s Pavement Management

    System (PMS). The study was divided into two phases. The fi rst phase focused on the assessment of the state-of-the-practice of

    LADOTD’s PMS regarding accessibility, PMS reports, reference location systems, and distress indices. Part of the assessment was

    conducted through the analysis of the responses of all district engineers to specially designed survey questionnaires and personnel

    interviews. The details of fi rst phase of the study can be found in the LTRC Report No. 430. This report (LTRC Report No. 460) focuses

    on the second phase of the study, which includes a review and update of both pavement performance and treatment models. During

    the second phase, a comprehensive evaluation and analysis of the pavement performance and treatment models were conducted

    using LADOTD pavement distress data and historical data. Statistical analyses were used to generate the model for pavement

    condition prediction and treatment performance evaluation. It should be noted that most existing LADOTD pavement performance

    models were developed using the initial few years of distress data, which tends to either underpredict or overpredict the pavement

    condition. Pavement performance models based on the available 10 years were developed to

    enhance the predicting capabilities of LADOTD’s PMS section.

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