Research Article
Deformation and Failure Law of Roadway along Goaf and Reserve Width of Section Coal Pillar
Figure 5
Plastic zone distribution in coal pillars with different widths and surrounding rock along goaf when the workface was advanced 50 m.
(a) 6 m coal pillar |
(b) 7 m coal pillar |
(c) 8 m coal pillar |
(d) 9 m coal pillar |
(e) 10 m coal pillar |