基于空隙量守恒的覆岩裂隙带发育高度模型

黄丹^1,^2,³(

),陈何^1,³,郑志杰^1,³

Model of the Height of Overburden Fracture Zone Based on Void Conservation

Dan HUANG^1,^2,³(

),He CHEN^1,³,Zhijie ZHENG^1,³

图3. 垮落体边界与水平面夹角 $α$ 的最小值

Fig.3. Minimum value of angle $α$ between the collapse body boundary and horizontal plane