Research Article
A New Mining Scheme for Hanging-Wall Ore-Body during the Transition from Open Pit to Underground Mining: A Numerical Study
Table 1
Rock joint and block number information in the six models.
| Model index | Dip angle α of (degree) | Joint spacing of , (m) | Block number |
| J1 | 50 | 5.0, 3.8 | 3116 | J2 | 70 | 5.0, 4.7 | 3090 | J3 | 90 | 5.0, 5.0 | 3077 | J4 | 110 | 5.0, 4.7 | 3089 | J5 | 130 | 5.0, 3.8 | 3099 | J6 | 150 | 5.0, 2.5 | 3120 |
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