Article | REF: C7300 V1

Types of road damages, causes and diagnosis

Authors: Thomas SIMONNOT, Fouad BOUYAHBAR

Publication date: May 10, 2021 | Lire en français

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    5. Diagnosis

    When a pavement is in a state of disrepair, or when it is necessary to verify its compatibility with specific traffic conditions, a geotechnical diagnosis should be carried out (mission G5 according to standard NF P 94-500).

    Several means of investigation can be used, but the diagnosis is generally carried out according to the following methodology.

    5.1 Data to be collected

    The pavement survey should provide an overview of the situation and the following parameters:

    • traffic ;

    • visual surface condition (visible damage);

    • pavement deformability (deflections) ;

    • the thicknesses of the layers...

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