Development of pavement performance models by combining experimental and field data

J. A. Prozzi, Samer Madanat

    Research output: Contribution to journalArticle

    Abstract

    The objective of this paper is to demonstrate the development of pavement performance models by combining experimental and field data. A two step approach was used. In the first step a riding quality model based on serviceability consideration is developed. The data set of the American Association of State Highways Officials (AASHO) Road Test is used to this effect. Due to the experimental nature of the AASHO Road Test data set, some of the estimated parameters of the model may be biased when the model is to be applied to predict performance in the field. In the second step, the original model parameters are reestimated by applying joint estimation with the incorporation of field data set. This data set was collected through the Minnesota Road Research Project (MnRoad). The final model is referred to as the joint model, and it can be used to predict the performance of in-service pavement sections. Joint estimation allowed for the full potential of both data sources to be exploited. First, the effect of variables not available in the first data source were identified and quantified. Further, the parameter estimates had lower variance because multiple data sources were pooled, and biases in the parameters of the experimental model were corrected. Finally, different measurements of the same property were incorporated by using a measurement error model. Thus, the methodology proposed in this paper makes optimum use of available data and yields models of improved statistical properties compared with techniques such as ordinary least squares.

    Original languageEnglish (US)
    Pages (from-to)9-22
    Number of pages14
    JournalJournal of Infrastructure Systems
    Volume10
    Issue number1
    DOIs
    StatePublished - Mar 1 2004

    Fingerprint

    pavement
    Pavements
    performance
    road
    Riding qualities
    Measurement errors
    research project
    methodology
    parameter
    trend

    Keywords

    • Data analysis
    • Deterioration
    • Experimentation
    • Models
    • Pavement
    • Performace evaluation
    • Predictions

    ASJC Scopus subject areas

    • Transportation
    • Ocean Engineering
    • Water Science and Technology

    Cite this

    Development of pavement performance models by combining experimental and field data. / Prozzi, J. A.; Madanat, Samer.

    In: Journal of Infrastructure Systems, Vol. 10, No. 1, 01.03.2004, p. 9-22.

    Research output: Contribution to journalArticle

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