Research Article
Dynamic Response Simulation of Lining Structure for Tunnel Portal Section under Seismic Load
Table 1
Mechanical parameters of materials.
| Parameters | Rock | Lining |
| Deformation modulus (GPa) | 3.0 | 28.0 | Poisson ratio | 0.30 | 0.17 | Cohesion force (MPa) | 0.5 | 1.8 | Internal friction angle (°) | 35.0 | 40.0 | Tensile strength (MPa) | 1.0 | 1.27 | Compressive strength (MPa) | 20.0 | 11.9 |
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