Research Article
Influencing Factors’ Analysis of Disturbance Degree of Key Stratum Based on the Response Surface Method
Table 4
Response surface calculation results.
| Scheme number | Input | Output | Mining height (M) | Buried depth (D) | Interlayer spacing (H) | KSDD (φ) (soft) | KSDD (φ) (medium) | KSDD (φ) (hard) |
| 1 | 1 | 700 | 40 | 7.152 | 4.421 | 1.286 | 2 | 3 | 700 | 20 | 8.175 | 5.054 | 1.470 | 3 | 1 | 300 | 40 | 7.106 | 4.393 | 1.278 | 4 | 3 | 300 | 60 | 7.117 | 4.400 | 1.280 | 5 | 3 | 500 | 40 | 7.246 | 4.479 | 1.303 | 6 | 5 | 500 | 60 | 7.200 | 4.451 | 1.295 | 7 | 3 | 500 | 40 | 7.246 | 4.479 | 1.303 | 8 | 1 | 500 | 20 | 7.306 | 4.517 | 1.314 | 9 | 3 | 700 | 60 | 7.179 | 4.438 | 1.291 | 10 | 3 | 500 | 40 | 7.246 | 4.479 | 1.303 | 11 | 1 | 500 | 60 | 7.097 | 4.387 | 1.276 | 12 | 5 | 500 | 20 | 8.426 | 5.209 | 1.515 | 13 | 5 | 700 | 40 | 7.493 | 4.632 | 1.347 | 14 | 3 | 500 | 40 | 7.246 | 4.479 | 1.303 | 15 | 5 | 300 | 40 | 7.246 | 4.479 | 1.303 | 16 | 3 | 500 | 40 | 7.246 | 4.479 | 1.303 | 17 | 3 | 300 | 20 | 7.506 | 4.640 | 1.350 |
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