A Supporting Design Method When Longwall FaceStrides across and Passes through a Roadway

Figure 15

Contact force between granular coal and cross-cut with working face advancing. (a) 0 m. (b) 16 m. (c) 32 m. (d) 48 m. (e) 64 m. (f) 80 m. (g) 84 m. (h) 88 m. (i) 92 m. (j) 96 m. (k) 100 m.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)