Research Article
Finite Element Optimised Back Analysis of In Situ Stress Field and Stability Analysis of Shaft Wall in the Underground Gas Storage
Table 5
Hole rock tensile fracture analysis results in UGS.
| | Well | Maximum principal stress/MPa | Vertical stress/MPa | Minimum principal stress/MPa | Pore pressure/MPa | Tensile stress/MPa | Tensile strength /MPa | Tensile fracture factor /% |
| | UGS6 | | | | 12.00 | 0.95 | 4.97 | 0.191 | | UGS7 | | | | 12.00 | 0.93 | 4.84 | 0.192 | | UGS8 | | | | 12.00 | 0.99 | 4.92 | 0.201 | | UGS9 | | | | 12.00 | 0.92 | 4.94 | 0.186 | | UGS10 | | | | 12.00 | 0.98 | 4.95 | 0.198 |
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