Ruts and corrugations are types of pavement distresses that appear as depressions in the surface layer, caused by the plastic deformation of any of the layers that make up the pavement structure.
References
National Highway Institute; Highway Materials Engineering: asphalt materials and paving mixtures; Course N 12123, 1990.
Roberts, Freddy y otros; Hot mix asphalt materials, mixture design and construction, II ed.; National Asphalt Pavement Association, 1996.
