Research Article
Discussions on the Complete Strain Energy Characteristics of Deep Granite and Assessment of Rockburst Tendency
Table 2
Rockburst tendency under different confining pressures.
| | Confining pressure (MPa) | Linear strain energy density | Rockburst grades | Peak strain energy density | Rockburst grades | Maximal strain energy density | Rockburst grades |
| | 5 | 7.0E + 04 | Weak | 9.31E + 04 | Weak | 1.04E + 05 | Medium | | 10 | 8.2E + 04 | Weak | 1.02E + 05 | Medium | 1.14E + 05 | Medium | | 20 | 9.6E + 04 | Weak | 1.18E + 05 | Medium | 1.32E + 05 | Medium | | 30 | 1.2E + 05 | Medium | 1.34E + 05 | Medium | 1.49E + 05 | Medium | | 40 | 1.31E + 05 | Medium | 1.56E + 05 | Medium | 1.74E + 05 | Medium |
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