Location and shear parameters | Ajalli Sandstones (AS) (60 - 90 cm depth) | Upper Coal Measures (UCM) (60 - 90cm depth) | Lower Coal Measures (LCM) (60 - 90 cm depth) |
Location | Ankpa | Dekina | Owukpa |
Φ | 37.20˚ | 22.36˚ | 19.23 |
C (KN/m2) | 24.22 | 74.52 | 110.34 |
Shear strength, S, value (KN/m2) |
196.23 |
314.74 |
321.72 |