The existence of a shear slip zone is proved, and the overlying strata are divided into different zones according to the rules of strata movement and characteristics of rock failure.
证实了剪切滑移区的存在，并按覆岩运动规律与破坏特征对围岩进行了分区。
The paper approached the subject of the application of draw theory which utilizes the movement rule of caved rock to control ore-drawing under overlying rock.
本文就利用崩落矿石移动规律进行覆盖岩下放矿控制这一放矿理论的应用课题进行了探讨。
In the local or global movement of rock mass under mining, overlying strata play a key role. The overlying strata movement is a complicated space-time process and has time-dependent feature.
上覆岩层对采动岩体活动全部或局部起决定性作用，上覆岩层运动是一个复杂的时空过程，具有时效性。
During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.
在长壁工作面通过的过程中，地面垂直钻孔可能随岩层移动而发生破坏。
During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.
在长壁工作面通过的过程中，地面垂直钻孔可能随岩层移动而发生破坏。
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