The landslip above mined-out area is a rock-moving type in underground mining.
采空区上覆山体的滑坡是地下开采过程中又一种岩石移动类型。
2
Combined with the treatment example of some expressway tunnel crossing mined-out region, the paper analyzed and evaluated its treatment effects.
以某高速公路隧道穿越煤矿采空区的处治为实例，对该工程的处治效果予以分析并评价。
3
Safety hidden trouble and main harm brought by mined-out areas are analyzed, and main methods and means used in detecting mined-out areas currently are summarized.