Research Article
Geological Core Ground Reorientation Technology Application on In Situ Stress Measurement of an Over-Kilometer-Deep Shaft
Table 4
Comparison of the results of stress relief method and AE method.
| | Depth | σH (MPa) | σh (MPa) | σv (MPa) | | Stress relief | AE | Deviation | Stress relief | AE | Deviation | Stress relief | AE | Deviation |
| | 655 | 28.25 | 23.16 | 0.18 | 8.99 | 8.88 | 0.01 | 6.70 | 17.16 | 0.61 | | 756 | 27.76 | 23.99 | 0.14 | 12.35 | 9.73 | 0.21 | 10.81 | 19.81 | 0.45 | | 765 | 28.57 | 24.06 | 0.16 | 10.80 | 9.81 | 0.09 | 11.15 | 20.04 | 0.44 | | 958 | 32.38 | 25.65 | 0.21 | 14.32 | 11.43 | 0.20 | 31.42 | 25.10 | 0.20 |
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