The effects of altering the spacing between tandem and triple axles on commercial vehicles have been investigated using an elastic multi-layer pavement model. A mathematical analysis was made of the influence of axle spacing on critical conditions in the bituminous layers and subgrades of a number of flexible pavements. A range of wheel loads typical of British commercial vehicle practice was employed. Damage to the pavement structure increases as the spacing between individual axles of multiple units is reduced, with the effects becoming more marked at spacings less than about 1.25 metres.


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    Title :

    Influence of Axle Spacing on Flexible Pavement Damage


    Contributors:

    Publication date :

    1984


    Size :

    42 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English