Research Article

Predicting Overburden-Induced Failure Height of Large Mining Face in Shallow Coal Seam Based on Half-Plane Theory

Figure 9

Characteristics of shear stress in overlying strata. (a) 10 m, (b) 15 m, (c) 20 m. (The abscissa is the height, and the ordinate is the shear stress).
(a)
(b)
(c)