Research Article
Research on the Hard-Rock Breaking Mechanism of Hydraulic Drilling Impact Tunneling
Figure 13
The 3rd principal stress peak-curves of nodes along the diagonal in models A, B, and C.
(a) Node 28 |
(b) Node 27 |
(c) Node 26 |
(d) Node 25 |
(e) Node 24 |
(f) Node 23 |
(g) Node 22 |
(h) Node 21 |
(i) Node 20 |