Research Article
Analysis of Failure Mechanism of Roadway Surrounding Rock under Thick Coal Seam Strong Mining Disturbance
Table 3
Stress distribution curve-fitting parameters.
| | Mining distance (m) | B1 | B2 | B3 | B4 | C | R2 |
| | 30 | 2.35 × 10−4 | −1.4 × 10−2 | 0.233 | −0.628 | 4.197 | 0.936 | | 50 | 2.66 × 10−4 | −1.6 × 10−2 | 0.273 | −0.857 | 5.149 | 0.928 | | 70 | 1.6 × 10−8 | −5.19 × 10−4 | -3.34 × 10−2 | 0.582 | 5.41 | 0.973 | | 90 | 5.56 × 10−5 | −3.08 × 10−3 | 4.28 × 10−2 | −1.70 × 10−2 | 5.971 | 0.957 |
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