Study on Deformation Characteristics of Extended Highway in Operation Period

Table 1

Basic material parameters of subgrade soil.

Maximum dry density (g/cm^3)	Liquid limit (%)	Plastic limit (%)	Plasticity index	Optimum water content (%)	Cohesion (kPa)	Internal friction angle (°)
1.76	36.96	18.20	8.7	17.03	4.59	31