Highway engineers must conduct pavement evaluations before making rehabilitation decisions. Deflection tests performed at a uniform spacing are often used for structural evaluation purposes. The spacing between adjacent tests is often determined empirically. For pavements with large variability, more tests are needed. Variability is usually measured by the coefficient of variation ( CV). Several methods of determining test spacing were reviewed. A new method is proposed to calculate the test spacing based on the equivalent coefficient of variation ( CVe), which considers not only the variance but also the autocorrelation among the pavement responses. The new parameter CVe is more sensitive to test spacing than is the CV.


    Access

    Download

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Determination of Test Spacing in Pavement Evaluation


    Additional title:

    Transportation Research Record: Journal of the Transportation Research Board


    Contributors:
    Chou, Y. J. (author) / Zou, Yunyi (author)


    Publication date :

    2002-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    Ship model spacing determination and spacing control method for ship tracking model test

    ZHAO QIAOSHENG / ZU YONGHENG / WANG ZHIPENG et al. | European Patent Office | 2024

    Free access


    Effect of Aggregate Spacing on Skid Resistance of Asphalt Pavement

    Fwa, T. F. / Choo, Y. S. / Liu, Y. | British Library Online Contents | 2003