Table 3 Tunnel lining and relevant parameters.
Part | Model | Density (kN/m3) | Elastic modulus (GPa) | Poisson’s ratio | Tensile strength (MPa) | Compressive strength (MPa) |
|---|---|---|---|---|---|---|
Segment | Concrete plastic damage model | 24.3 | 36.0 | 0.2 | 2.04 | 27.5 |
Pile | Linear elasticity | 25.0 | 24.0 | 0.2 | 1.43 | 14.3 |
Concrete support | Linear elasticity | 25.0 | 5.0 | 0.2 | 1.43 | 14.3 |
Bolts | Ideal elastic–plastic | 27.0 | 200 | 0.2 | 400 | 400 |
Reinforcement bar | Ideal elastic–plastic | 27.0 | 200 | 0.2 | 335 | 335 |
Steel support | Ideal elastic–plastic | 27.0 | 66.7 | 0.2 | 235 | 235 |
