Most load-zoned roads in Texas are still posted with a gross vehicle weight (GVW) limit of 58,420 lbs, corresponding to the legal load limit at the time these roads were designed and built. Since the load from a vehicle is transmitted to the pavement through its axles, establishing load limits based on axle load and axle configuration is a more rational approach than the one presently used. Realizing the need for a better methodology of load-zoning pavements, the Texas Department of Transportation funded a project to develop a procedure for evaluating load restrictions on the basis of axle load and axle configuration. This report documents the development of the load-zoning analysis procedure. Research efforts conducted at the Texas Transportation Institute led to the development of the Program for Load-Zoning Analysis (PLZA) that pavement engineers may use to evaluate the need for load restrictions and to determine, as appropriate, the single and tandem axle load limits based on a user-prescribed reliability level.


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    Titel :

    Development of an Analysis Procedure for Load-Zoning Pavements


    Beteiligte:
    E. G. Fernando (Autor:in) / W. Liu (Autor:in)

    Erscheinungsdatum :

    2001


    Format / Umfang :

    98 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Analysis Procedure for Load-Zoning Pavements

    Fernando, Emmanuel / Liu, Wenting / Leidy, Joe | Transportation Research Record | 2003




    Development of Guidelines for Posting Load Limits on Pavements

    E. G. Fernando / D. R. Luhr / H. N. Saxena | NTIS | 1985