Analysis of trends in truck fleet mix and the relative productivity and operational characteristics of the five- and six-axle tractor-semitrailers (3-S2 and 3-S3) are presented. Marked increases in the use of 3-S3 at the expense of the 3-S2 are observed. The percentage of 3-S2 in the heavy truck fleet dropped from about 70 % in 1991 to about 50 % in 1994, while the percentage of 3-S3 increased from 9 % and 20 % over the same period. These changes could be explained by: better operating efficiency measured by the potential pavement damage per unit payload; flexible payload handling capability; and higher productivity indicated by the potential payload capacity actually utilised. Current trends in fleet mix changes suggest that the rate of increase in the percentage of' 3-S3 in the truck fleet is likely to be maintained in the next few years. Possible implications for trucks operations under North American Free Trade Agreement is that the 3-S3 offers a clear productivity advantage over the 3-S2 and therefore suitable for long haul operations.


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    Titel :

    Utilisation of five- and six-axle tractor semitrailers in western Canada


    Weitere Titelangaben:

    Gebrauchsfähigkeit von fünf- und sechsachsigen Sattelkraftfahrzeugen in Westkanada


    Beteiligte:
    Fekpe, E.S.K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1997


    Format / Umfang :

    9 Seiten, 4 Bilder, 2 Tabellen, 3 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Utilization of five- and six-axle tractor semitrailers in western Canada

    Fekpe,E.S. / National Res.Council,Centre for Surface Transportation Technol.,CA | Kraftfahrwesen | 1997


    Fifth-wheel mountings on tractor semitrailers

    Horine, M.C. | Engineering Index Backfile | 1948


    Computer Aided Accident Reconstruction of Tractor-Semitrailers

    Martinez,J.E. / Wallingford,J.G. / Verifact Corp.,San Antonio,Texas,US et al. | Kraftfahrwesen | 1985


    FIFTH-WHEEL MOUNTINGS ON TRACTOR SEMITRAILERS

    HORINE, MERRILL C. | SAE Technical Papers | 1948


    Computer Aided Accident Reconstruction of Tractor-Semitrailers

    Martinez, J. Ed. / Wallingford, Jerry G. | SAE Technical Papers | 1985