Research Article
Numerical Simulation Study of the Strata Movement Rule of Deep Mining with the Super-Thick and Weak Cementation Overburden: A Case Study in China
Figure 22
Plastic zone distribution after mining the third working face (working face 2203). (a) Model 1. (b) Model 2. (c) Model 3. (d) Model 4.
| (a) |
| (b) |
| (c) |
| (d) |