A pavement performance prediction model is established and the corresponding maintenance analysis method, economic assessment and optimal analysis are researched in this paper. Nanjing Airport Freeway has only two years history data. The Markov prediction model that needs small amount of test data is adopted, and the concept transfer matrix of Markov model is determined by subjective experience. The improved excellent-inferior coefficient method is presented which simplifies the mathematical deduce of excellent-inferior coefficient method and utilizes fully the expert's knowledge, the error is reduced and the maintenance decision obtained is more reasonable. The computer aided maintenance decision system of Nanjing Airport Freeway Pavement Management has been developed. The system can perform intelligently to treat and analyze the maintenance and rehabilitation of pavement. The system establishes the databases of the freeway information, evaluates the pavement performance automatically and recommends the maintenance scheme using expert knowledge. The system has strong applicability and has been highly praised by peers.


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    Title :

    Pavement Management System for Nanjing Airport Freeway


    Contributors:
    Qian, Zhendong (author) / Huang, Wei (author) / Tan, Minghe (author) / Yang, Lifeng (author)

    Conference:

    Second International Conference on Transportation and Traffic Studies (ICTTS ) ; 2000 ; Beijing, China



    Publication date :

    2000-07-12




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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