在预计的位置发生2.6级矿震时，没有造成灾害，证明了厚硬顶板断裂引起的矿震是可以预测的。
When 2.6-level mine quake happens in the predicted areas, there is no disaster, which proves that the mine quake caused by the crack of the roof of the thick layer may be predicted.
基于相似材料模拟实验与现场矿压观测，本文分析了大面积剥离顶板的断裂与运动特点。
Based on a number of experiments on equivalent materials and field observation, the break and moving features of separative roof in a large area has been analyzed.
通过对现场观测和数值模拟分析，系统研究了断裂结构面对回采工作面矿压分布和顶板稳定性的影响。
By using field observation and numerical simulation method, the influence of fracture structure plane on the underground pressure and the roof stability of working face are systematically studied.
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