Research Article
Research on the Overtopping-Induced Breaching Mechanism of Tailings Dam and Its Numerical Simulation
Table 2
Calculation parameters of tailings dam breaching process.
| | Tailings density (kg/m3) | Dam height (m) | Crest width (m) | Inflow (m3/s) | Dam length (m) | Upstream slope ratio | Reservoir storage (m3) | Manning’ coefficient | d50 (mm) | Porosity | Cohesion (kPa) | tan φ | Upstream water level (m) | Downstream water level (m) |
| | 2080 | 20 | 15 | 1.7 × 10−3 | 15 | 0.1 | 3.25 × 103 | 0.020 | 0.168 | 0.47 | 13.3 | 0.56 | 19.9 | 0 |
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