Table 5 Comparison of measured and regression values of in-situ stress.
Depth (m) | \({\sigma _X}\)(MPa) | \({\sigma _Y}\)(MPa) | \({\sigma _Z}\)(MPa) | \({\tau _{xy}}\)(MPa) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Measured | Regression | Relative error (%) | Measured values | Regression values | Relative error (%) | Measured values | Regression values | Relative error (%) | Measured values | Regression values | Relative error (%) | ||
545.00 | 14.82 | 13.59 | 8.2 | 13.36 | 12.67 | 5.1 | 14.42 | 14.60 | 1.3 | 3.43 | 3.53 | 2.9 | |
668.30 | 15.56 | 15.60 | 0.3 | 14.28 | 14.31 | 0.2 | 17.68 | 17.74 | 0.3 | 3.00 | 3.28 | 9.2 | |
732.50 | 16.15 | 16.70 | 3.4 | 14.95 | 15.25 | 2.0 | 19.38 | 19.34 | 0.2 | 2.81 | 3.14 | 11.8 | |
741.20 | 16.84 | 16.85 | 0.1 | 15.44 | 15.38 | 0.4 | 19.62 | 19.55 | 0.3 | 3.30 | 3.12 | 5.4 | |
756.71 | 15.86 | 17.12 | 7.9 | 15.86 | 15.61 | 1.6 | 20.02 | 19.94 | 0.4 | 3.25 | 3.09 | 4.9 | |
760.60 | 18.04 | 17.18 | 4.7 | 15.10 | 15.67 | 3.8 | 20.11 | 20.05 | 0.3 | 3.31 | 3.08 | 6.9 | |
