Table 3 Shear properties between materials used.
Geotextile mass per unit area (g/m2) | 80 | 200 | 300 | |||
|---|---|---|---|---|---|---|
Shear strength index | Cohesive (kpa) | Friction angle (°) | Cohesive (kpa) | Friction angle (°) | Cohesive (kpa) | Friction angle (°) |
Geosynthetics and metal plate | 0 | 11.61 | 0 | 12.21 | 0 | 13.84 |
Geosynthetics and geosynthetics | 0 | 16.79 | 0 | 18.22 | 0 | 22.51 |
Geosynthetics and graphite tailing | 0 | 23.48 | 1.36 | 26.23 | 2.27 | 27.02 |