Research Article
Discussions on the Complete Strain Energy Characteristics of Deep Granite and Assessment of Rockburst Tendency
Table 1
The testing data and linear elastic strain energy.
| Confining pressure (MPa) | Elasticity modulus (GPa) | Poisson’s ratio | Initial crack stress (MPa) | Strain energy density (J·m3) |
| 5.0 | 60.30 | 0.21 | 93.50 | 7.16E + 04 | 5.0 | 59.97 | 0.19 | 95.71 | 6.78E + 04 | 5.0 | 61.16 | 0.21 | 110.47 | 7.07E + 04 | 10.0 | 76.13 | 0.21 | 128.02 | 7.82E + 04 | 10.0 | 74.56 | 0.23 | 137.19 | 8.83E + 04 | 10.0 | 79.92 | 0.20 | 128.48 | 7.89E + 04 | 20.0 | 85.27 | 0.23 | 138.71 | 9.35E + 04 | 20.0 | 82.76 | 0.22 | 145.85 | 1.03E + 05 | 20.0 | 78.01 | 0.23 | 164.03 | 9.10E + 04 | 30.0 | 80.94 | 0.21 | 174.23 | 1.26E + 05 | 30.0 | 91.86 | 0.23 | 194.00 | 1.12E + 05 | 30.0 | 87.12 | 0.22 | 208.83 | 1.19E + 05 | 40.0 | 86.24 | 0.24 | 214.94 | 1.20E + 05 | 40.0 | 87.60 | 0.22 | 191.46 | 1.34E + 05 | 40.0 | 83.90 | 0.23 | 249.61 | 1.39E + 05 |
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