Research Article
Influence of Fault on the Surrounding Rock Stability for a Mining Tunnel: Distance and Tectonic Stress
Table 2
Max stress and min stress in sprayed concrete layer under different cases.
| Distance | Middle point of left sidewall | Top point of crown | Middle point of right sidewall | σmax | σmin | σmax | σmin | σmax | σmin |
| No fault | 0.62 | 0.59 | −0.72 | −0.74 | 0.61 | 0.57 | 0.2 spans | −1.56 | −1.73 | 4.02 | 3.15 | −1.67 | −1.82 | 0.5 spans | −0.18 | −0.25 | 0.63 | 0.45 | −0.20 | −0.28 | 1.0 span | 0.40 | 0.38 | −0.37 | −0.45 | 0.40 | 0.39 |
|
|