Research Article
A Practical Nonprobabilistic Reliability Assessment Method on Key Strata Shear Failure in Longwall Mining
Table 1
HI triaxial strain testing result.
| Principal stress type | Value (MPa) | Azimuthal angle (°) | Dip angle (°) | Vertical stress (MPa) |
| | 17.5 | 220 | −9 | 12 | | 13.7 | −55 | 29 | | 9.6 | 146 | 58 |
|
|