Research Article
A Slate Tunnel Stability Analysis considering the Influence of Anisotropic Bedding Properties
Table 2
Physicomechanical parameters of slate.
| Material | Dry density ρd (kg/m3) | Poisson’s ratio υ | Elastic modulus Es (GPa) | Cohesion c (MPa) | Friction angle φ (°) |
| Slate | 2771 | 0.27 | 78.23 | 7.394 | 11.96 |
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