Research Article

Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study

Figure 10

Suppressing effect of different filling body heights on the expansion of the plastic zone and the amount of the horizontal bulge of each coal pillar.
(a) Proportion of the elastic area with different filling heights
(b) Suppression of the filling body on plastic zone expansion
(c) Suppression of the filling body on the horizontal bulge