Research Article
Research on the Hard-Rock Breaking Mechanism of Hydraulic Drilling Impact Tunneling
Figure 28
The 3rd principal stress peak-curves of nodes along sideline in models A, D, and E.
| (a) Node 13 |
| (b) Node 12 |
| (c) Node 11 |
| (d) Node 10 |
| (e) Node 9 |
| (f) Node 8 |