Table 2 Model parameters
Slab | Weak layer | |||||
|---|---|---|---|---|---|---|
Parameter | Exp_01 | Exp_02 | Exp_03 | Exp_01 | Exp_02 | Exp_03 |
Density ρ (kg m−3) | 279 | 255 | 159 | 100 | 100 | 100 |
Young’s modulus E (MPa) | 12 | 8.5 | 2 | 1 | 1 | 1 |
Poisson’s ratio ν | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
Thickness D (cm) | 70 | 75 | 26 | 7.5 | 15 | 1 |
Initial consolidation pressure \(p_0^{{\mathrm{ini}}}\) (kPa) | 93 | 75 | 24 | 11 | 22 | 4 |
Tension/compression ratio β | 0.05 | 0.05 | 0.05 | 0.2 | 0.2 | 0.2 |
Friction coefficient M | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Hardening factor ξ | 30 | 30 | 30 | 0.25 | 0.07 | 0.05 |
Softening factor α | — | — | — | 15 | 250 | 5 |
