Research Article
Method and Mechanism of Dump Overlying the Bedrock with Large Dip Angle in Opencast Mine
Table 1
Parameters of rock mechanics.
| | | ρ (g/cm3) | c (KPa) | φ (°) | E (GPa) | ν |
| | Dump | 1.99 | 25.6 | 22.4 | 0.0017 | 0.39 | | Mudstone | 2.23 | 154.4 | 28.5 | 0.1210 | 0.31 | | Sandstone | 2.3 | 361.5 | 27.1 | 0.1950 | 0.22 | | Bedrock | 2.29 | 122 | 29.6 | 0.20 | 0.25 |
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