Research Article
Research on the Reasonable Coal Pillar Width and Surrounding Rock Supporting Optimization of Gob-Side Entry under Inclined Seam Condition
Figure 8
The second invariant of deviatoric stress curve by top slab surrounding rock monitoring line. (a) 1# monitoring line. (b) 2# monitoring line. (c) 3# monitoring line.
| (a) |
| (b) |
| (c) |