| Studied clay samples | ||
C1 | C2 | C3 | |
Particle size distribution (%) | |||
Clay: (<0.002 mm) | 22.2 | 23.8 | 28.9 |
Silt: (0.002 - 0.02 mm) | 14.7 | 24.4 | 28.2 |
Sand: (0.02 - 2 mm) | 63.1 | 51.8 | 42.9 |
Gravel: (>2 mm) | 0.0 | 0.0 | 0.0 |
Atterberg limits (%) | |||
Liquid limit (WL) | 63.4 | 60.7 | 57.6 |
Plastic limit (WP) | 32.4 | 32.7 | 30.4 |
Plastic index (IP) | 31.0 | 28.0 | 27.2 |