Surrounding Rock Movement of Steeply Dipping Coal Seam Using Backfill Mining

Figure 19

Surrounding rock movement and deformation of each mining stages. (a) 10 m. (b) 20 m. (c) 26 m. (d) 30 m. (e) 36 m. (f) 40 m.

(a)

(b)

(c)

(d)

(e)

(f)