Research Article
Evaluation of Rock Burst Propensity and Rock Burst Mechanism in Deep Phosphate Mines: A Case Study of Sujiapo Phosphate Mine, Hubei Province, China
Table 2
Table of results of rockburst propensity discrimination.
| | Rocky sample | Number | B value method | Deformation brittleness criterion | Barton jurisprudence | Energy law jurisprudence | | Inclination | | Inclination | | Inclination | | Inclination |
| | Phosphorite | KY-1 | 14.28 | (Violently) strong | 4.26 | Weak | 4.93 | Medium | 6.54 | Not | | KY-4 | 17.37 | Medium | 5.84 | Medium | 5.60 | Weak | 14.07 | Weak |
| | Upper dolomite | D-1 | 31.70 | Weak | 7.45 | Powerful | 8.82 | Weak | 20.67 | Medium | | D-2 | 57.94 | Not | 6.67 | Medium | 16.12 | Not | 37.82 | Medium |
| | Potash-bearing shale | d-1 | 26.27 | Medium | 4.72 | Weak | 9.60 | Weak | 18.65 | Weak | | d-4 | 28.79 | Weak | 3.78 | Weak | 10.52 | Not | 22.52 | Medium |
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