Research Article
Flowchart of DEM Modeling Stability Analysis of Large Underground Powerhouse Caverns
Table 3
Physical and mechanical parameters of joints.
| | Joint set | Friction angle (degree) | Cohesion (MPa) | Normal stiffness (GPa/m) | Shear stiffness (GPa/m) |
| | 1 | 20 | 0.08 | 1 | 0.5 | | 2 | 25 | 0.08 | 1 | 0.5 | | 3 | 20 | 0.10 | 1 | 0.5 |
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