Table 1.

The physical and mechanical parameters of soil in the embankment

Name of soilUnit weight of saturated soil, γ (kN m−3)Effective cohesion, c′ (kPa)Effective angle of internal friction, φ′ (°)φbPermeability coefficient of saturated soil, kas (m s−1)Porosity of soil
Gravel soil21.4035.212.51 × 10−30.3
Sandy clay soil17.617.218.3101 × 10−50.45