Research Article
Design Method for Specific Charge in Deep Mining considering Influence of In Situ Stress
Table 3
Correction coefficients for specific charge under different stress conditions.
| Blasting zone | Zone I | Zone II | Zone III | Zone IV | Zone V |
| Stress-to-strength ratio, | 0.297 | 0.329 | 0.348 | 0.244 | 0.242 | Lateral stress coefficient, | 0.325 | 0.345 | 0.277 | 0.396 | 0.371 | Correction coefficient for specific charge, | −0.291 | −0.300 | −0.243 | −0.276 | −0.275 |
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