Fracturing of the Soft Rock Surrounding a Roadway Subjected to Mining at Kouzidong Coal Mine

Figure 14

The distribution of C value at various borehole depths: (a) borehole #1 at station #2; (b) borehole #2 at station #2; (c) borehole #3 at station #2; (d) borehole #4 at station #2; (e) borehole #5 at station #2; (f) borehole #6 at station #2; (g) borehole #7 at station #2.

(a)

(b)

(c)

(d)

(e)

(f)

(g)