Study on the Migration Law of Overlying Strata on the Working Surface of Large Mining Height in Y.C.W Coal Mine

Figure 6

Variation of height of water flowing fractured zone with advancing distance of working face, including (a) 0, 10, 30, 70, 95, and 120 m and (b) 300 m and (c) stop mining line.

(a)

(b)

(c)