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Material properties used in the model_
| Material properties | Symbol | Unit | Soft clay | Stone columns | Gravel filling |
|---|---|---|---|---|---|
| Initial void ratio | eo | - | 0.7 | 0.8 | 0.6 |
| Unit weight | γ | kN/m3 | 16 | 22.5 | 18 |
| Overconsolidation ratio | OCR | - | 1 | 1 | 1 |
| Lateral earth pressure coefficient at rest | Ko | - | 1 | 0.2175 | 0.1473 |
| Poisson's ratio | v | - | 0.4 | 0.18 | 0.25 |
| Stiffness modulus for unloading/reloading | Eur | MPa | 13.02 | 210 | 180 |
| Stiffness modulus for primary loading | E50 | MPa | 1.86 | 90 | 35 |
| Oedometric modulus | Eoed | MPa | 5.56 | 60 | 45 |
| Power for stress-level dependency | m | - | 0.5 | 0.6 | 0.6 |
| Cohesion | c | kPa | 40 | 4 | 7 |
| Friction angle | ∅ | ° | 5 | 48 | 40 |
| Dilation angle | ψ | ° | 0 | 18 | 10 |
| Failure ratio | Rf | - | 0.9 | 0.9 | 0.9 |
| Layer thickness | z | m | 30 | 10 | 1 |