Table 1 Select geotechnical characteristics of the slope materials
Specimen No. | Terrain type | Average frictional resistance ( o ) | Average cohesion (kPa) | Average coefficient of permeability (cm/sec) |
|---|---|---|---|---|
Enugu Group 1 | sedimentary | 25 | 11 | 3 × 10−2 |
Enugu Group 2 | sedimentary | 13 | 10 | 1 × 10−4 |
Enugu Group 3 | sedimentary | 15 | 10 | 1 × 10−3 |
Enugu Group 4 | sedimentary | 25 | 16 | 2 × 10−4 |
Calabar Group 1 | Metamorphic | 18 | 20 | 4 × 10−4 |
Calabar Group 2 | Metamorphic | 16 | 25 | 3 × 10−4 |
Calabar Group 3 | Metamorphic | 18 | 25 | 1 × 10−5 |
Calabar Group 4 | Metamorphic | 18 | 40 | 2 × 10−5 |
Calabar Group 5 | Metamorphic | 18 | 40 | 3 × 10−4 |