Table 4 Material modeling information
From: Sustainable rural infrastructure: guidelines for roadside slope excavation
Soil type | USCS grouping | Cohesion (kPa) | Friction angle (°) | Unit weight, γ (kN/m3) |
|---|---|---|---|---|
Coarse-grained soil | GW, SW, GP, SP | 0 | 37 | 20 |
Coarse-grained soil with non-plastic fines | SC, SM-SC, SM, GM | 5 | 34 | 19.5 |
Coarse-grained soil with plastic fines | SC, GC | 7.5 | 31 | 19.5 |
Silt | ML, MH | 16.5 | 25 | 17.5 |
Low plasticity clay | CL | 19.5 | 23 | 17.5 |
High plasticity clay | CH | 21 | 18 | 16 |