Research Article
Subsidence Control Design Method and Application to Backfill-Strip Mining Technology
Table 7
The extreme values of surface movement and deformation after mining in each scheme.
| | Mining scheme | Subsidence (mm) | Tilt deformation (mm/m) | Curvature deformation (mm/m2) | Horizontal movement (mm) | Horizontal deformation (mm/m) |
| | Backfilling mining | 653 | 2.5 | 0.02 | 184 | −1.8/1.1 | | Backfill-strip mining | 754 | 2.5 | 0.03 | 232 | −1.8/1.3 | | Strip mining | 667 | 2.6 | 0.02 | 207 | −1.8/1.2 | | Caving mining | 1573 | 5.3 | 0.03 | 450 | −2.5/2.3 |
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