Research Article
Research on the Hard-Rock Breaking Mechanism of Hydraulic Drilling Impact Tunneling
Figure 7
The Von Mises equivalent stress contours of model A at different time.
(a) The 0.003th s |
(b) The 0.203th s |
(c) The 0.403th s |
(d) The 0.603th s |
(e) The 0.803th s |