Effect of Thickness of Gravel Base and Asphalt Pavement on Road Deformation

Table 5

Vertical deformation for the asphalt pavement thickness of 20 cm.

Thickness of the gravel base (cm)	First class	Second class	Third class	Fourth class
20	6.977	7.263	7.051	5.924
40	6.894	7.247	7.016	5.895
60	6.781	7.114	6.915	5.882