Determining the Seepage Stability of Fractured Coal Rock in the Karst Collapse Pillar

Figure 8

The seepage states of stability of fractured coal. (a) n = 0.1; n = 0.2. (b) n = 0.3; n = 0.4. (c) n = 0.5; n = 0.6. (d) n = 0.7; n = 0.8. (e) n = 0.9; n = 1.0.

(a)

(b)

(c)

(d)

(e)