Parameter | Grey sand with silt | Red silt with sand | Brown sand with silt |
Volumetric water content (%) | 44.0 | 43.0 | 33.2 |
Bulk unit weight (kN/m3) | 18.0 | 17.9 | 18.0 |
Dry unit weight (kN/m3) | 13.7 | 13.7 | 14.7 |
Saturated permeability (m/s) | 3.5 × 10−8 | 5.6 × 10−10 | 4.2 × 10−6 |
Friction angle (˚) | 28.1 | 39.4 | 38.4 |
Apparent cohesion (kPa) | 2.4 | 2.2 | 1.6 |
Erodibility coefficient (m3/Ns) | 9.5 × 10−5 | 5.9 × 10−6 | - |
Critical shear stress (Pa) | 0.29 | 2.35 | - |