Research Article
A Control Method of Rock Burst for Dynamic Roadway Floor in Deep Mining Mine
Table 1
Results of geostress measurement.
| No. | Monitoring station | Depth (m) | Vertical principal stress (σv/MPa) | Maximum horizontal principal stress (σH/MPa) | Minimum horizontal principal stress (σH/MPa) | Maximum horizontal principal stress direction |
| 1 | First station | 1040 | 27.67 | 51.17 | 27.11 | N22.3°E | 2 | Second station | 964 | 25.55 | 49.57 | 27.59 | N31.2°E | 3 | Third station | 967 | 25.64 | 49.74 | 26.15 | N25.5°E | 4 | Fourth station | 982 | 26.10 | 50.9 | 26.88 | N20.1°E | 5 | Fifth station | 1034 | 27.30 | 49.4 | 26.75 | N35.7°E |
|
|