Research Article
A New Mining Scheme for Hanging-Wall Ore-Body during the Transition from Open Pit to Underground Mining: A Numerical Study
Table 3
Physical parameters of the ore-body.
| Parameter | Value |
| Density | 4150 kg/m3 | Young’s modulus | 25 Gpa | Poisson’s ratio | 0.27 | Joint cohesion (before/after failure) | 0.18 MPa/0 MPa | Joint tensile strength (before/after failure) | 0.1 MPa/0 MPa | Joint friction angle (before/after failure) | 32°/25° |
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