The present invention relates to a radial tyre (1) intended to be fitted to a heavy-duty vehicle of the civil engineering construction plant type and, more particularly, to the tread (2) thereof. According to the invention, such a tyre is characterized by a tread surface siping extent TL at least equal to 3 m/m2, a number of cycles to rupture NR of the elastomeric compound of the tread, at least present in the bottom of the cuts (21), at least equal to 60000 cycles and a ratio C, which is the ratio between the number of cycles to rupture NR of the elastomeric compound and the tread siping extent TL, at least equal to 20000 cycles/(m/m


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    Title :

    Tyre tread for a heavy civil-engineering vehicle


    Contributors:

    Publication date :

    2019-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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