In this work, we present a study of heat transfer through the different layers of a frequency modulated pavement structure. Solving the heat equation for the different layers obtained the temperature and the heat flux density of each layer (from the wearing course to the base layer) of the structure. The expression of the equivalent thermal impedance of the wearing course in crushed plastic bag waste and sugar cane residue, found by thermal electrical analogy, allowed to study the diagrams of Bode, its phase and his portrayal of Nyquist. These studies are carried out in the illumination zone and in the shaded zone.
In this article, we propose a study of heat transfer through a flexible pavement, the wearing course of which is composed of bitumen modified with sugar cane fibers (bagasse). The expressions for temperature and heat flux density are obtained from the heat equation established by Fourrier. The influence of extrinsic parameters such as the convective and radiative heat exchange coefficient on pavement deformations are presented in order to quantify the thermal behavior of the bituminous mixture under lighting and shade.
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