Table 3 Calculation results of stress components testing for the original rock.
Testing points | Buried depth (m) | Elastic modulus (GPa) | Poisson’s ratio | Stress component (MPa) | |||||
|---|---|---|---|---|---|---|---|---|---|
σx | σy | σz | τxy | τyz | τzx | ||||
No.1 | 600 | 48.1 | 0.27 | 26.4 | 24.7 | 17.0 | 5.7 | -1.3 | 0.4 |
No.2 | 700 | 41.8 | 0.35 | 29.0 | 25.1 | 19.2 | 5.5 | -1.6 | -0.5 |
No.3 | 800 | 45.5 | 0.22 | 31.0 | 30.5 | 21.5 | 3.7 | 3.4 | 2.2 |
