Research Article
Research on Mining-Induced Stress Distribution of Extrathick Coal Seams Based on Electromagnetic Wave CT Technology
Figure 10
Electromagnetic CT image of station II and station III. (a) No. 2 cross-hole. (b) No. 3 cross-hole. (c) No. 4 cross-hole. (d) No. 5 cross-hole.
(a) |
(b) |
(c) |
(d) |