Although Accelerated Pavement Testing (APT) is often done with specific objectives, valuable pavement performance data is generated over the long-term that may be used to investigate pavement behaviour in general and calibrate mechanistic-empirical design models. This paper presents a study on subgrade permanent deformation based on the data generated from a series of Heavy Vehicle Simulator (HVS) tests done at the Richmond Field Station in California. The total subgrade deflection was found to be a better indicator of subgrade permanent deformation than the commonly accepted subgrade vertical strain. A mechanistic-empirical subgrade deformation model was also calibrated successfully for a range of subgrade permanent deformation levels from 1 to 21 mm. The subgrade permanent deformation was found to increase rapidly at subgrade deflection levels above 800 micron.


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    Titel :

    A Mechanistic-Empirical Subgrade Design Model Based on Heavy Vehicle Simulator Test Results


    Beteiligte:
    Theyse, H. L. (Autor:in) / Hoover, T. P. (Autor:in) / Harvey, J. T. (Autor:in) / Monismith, C. L. (Autor:in) / Coetzee, N. F. (Autor:in)

    Kongress:

    GeoShanghai International Conference 2006 ; 2006 ; Shanghai, China


    Erschienen in:

    Erscheinungsdatum :

    2006-05-11




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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