Structural elements and material parameters
| Structural element | Element type | Model type | Unit weight, γ: kN/m3 | Elasticity modulus, E: kN/m2 | Poisson’s ratio, ν |
|---|---|---|---|---|---|
| Segment (35 cm) | Three-dimensional solid | Isotropic–elastic | 25.0 | 30.00 × 106 | 0.15 |
| Grout (20 cm) | Two-dimensional plane strain | Isotropic–elastic | 22.5 | 10.00 × 106 | 0.30 |
| TBM | Two-dimensional plane strain | Isotropic–elastic | 78.0 | 25.00 × 107 | 0.20 |
| Shotcrete (15 cm) | Two-dimensional plane strain | Isotropic–elastic | 24.0 | 30.00 × 106 | 0.18 |
| Rock bolt (Ø28) | One-dimensional embedded truss | Isotropic–elastic | 78.0 | 21.00 × 107 | 0.15 |
| Structural element | Element type | Model type | Unit weight, | Elasticity modulus, | Poisson’s ratio, |
|---|---|---|---|---|---|
| Segment (35 cm) | Three-dimensional solid | Isotropic–elastic | 25.0 | 30.00 × 106 | 0.15 |
| Grout (20 cm) | Two-dimensional plane strain | Isotropic–elastic | 22.5 | 10.00 × 106 | 0.30 |
| TBM | Two-dimensional plane strain | Isotropic–elastic | 78.0 | 25.00 × 107 | 0.20 |
| Shotcrete (15 cm) | Two-dimensional plane strain | Isotropic–elastic | 24.0 | 30.00 × 106 | 0.18 |
| Rock bolt (Ø28) | One-dimensional embedded truss | Isotropic–elastic | 78.0 | 21.00 × 107 | 0.15 |
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