The main objective of this work is to determine the behaviour of a paved road reinforced with geosynthetics placed at the bottom of the road foundation. The subgrade is of cohesive soil which is shown to benefit from the interposition of geosynthetics.
Analysis presented in this paper demonstrates that the friction developed between the geosynthetic and the granular soil in the foundation layer considerably reduces.the shear stress between the geosynthetics and the subsoil. This effect seems to give increased life to the pavement.
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