Stability Analysis of “Support-Surrounding Rock” System for Fully Mechanized Longwall Mining in Steeply Dipping Coal Seams

Figure 9

Interaction between the support and surrounding rock. (a) Subsidence + reverse rotation. (b) Subsidence + forward rotation. (c) Subsidence + reverse rotation + lift off. (d) Subsidence + forward rotation + lift off.

(a)

(b)

(c)

(d)