Research Article
Evolution of Characteristics of the Zone of Rock Loosening with Cross-Sectional Area
Figure 11
Distribution of the stress under different cross-sectional areas.
| (a) 15 m2 |
| (b) 20 m2 |
| (c) 25 m2 |
| (d) 30 m2 |
| (a) 15 m2 |
| (b) 20 m2 |
| (c) 25 m2 |
| (d) 30 m2 |