Establishment and Application of Bed-Separation Water Inrush Coefficient Method Considering Water Resistance of Fractured Rock Mass

Figure 11

Stress balance arch and its simplification based on some coal seam mining experiments. (a) Numerical simulation experiment of coal seam mining in Cuimu coal mine; (b) similar material simulation experiment of coal seam mining in Buerdong coal mine; (c) similar material simulation experiment of coal seam mining in Daliuta coal mine.

(a)

(b)

(c)