According to simulation results, along with working face being advanced, the failure processes and features, and weighting of overlying strata, were analyzed.
并根据模拟结果，分析了随着工作面采动和推进，上覆岩层的破断过程、特征与来压特点。
Influences of overlying strata failure height of different exploitation methods, programs and geography terms are analyzed.
分析了不同开采方法及开采程序、不同地质条件对覆岩破坏高度的影响。
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。
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