Research Article
Explicit Dynamic DDA Method considering Dynamic Contact Force
Table 1
Mechanical parameters of rock and joints.
| | Materials | Density (kg/m3) | Young’s modulus (GPa) | Poisson’s ratio | Friction angle (°) | Cohesion (MPa) | Tensile strength (MPa) |
| | Rock | 2850 | 5 | 0.29 | — | — | — | | Joints | — | — | — | 35 | 0.4 | 0 |
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