矿山井下开采过程中，最常发生的事故就是冒顶事故。
The roof falling accident is the most commonly occurring accidents in coal mines mining process.
分析了冒顶事故的发生原因和预兆，提出了预防措施。
The reason and forecast of roof falling are analyzed. And the preventive measures are provided.
本文以平邑石膏矿两次大的冒顶事故为资料背景，分析了矿柱、顶板系统的破坏机理。
With the two great roof-fall accident of Pingyi gypsum mine, this paper analyzes the stability of pillars and roof system and the mechanism of destruction of pillars and roof.
对煤矿冒顶事故发生的原因进行了详细的分析，提出了防止煤矿冒顶事故的具体防范措施，结果表明该措施是合理的。
This paper analyzes the roof leakage accidents at the end of fully-mechanized face in Wangcun Coal Mine, and advances some measures for preventing roof leakage.
冒顶事故对职工生命安全造成很大的危害，必须从加强科学管理、技术管理、质量管理、安全管理等方面采取措施加以预防。
The coping collapses threat the workers' lives. So it a must to take some measures to enhance the scientific management, technique management, quality management, safety management to prevent it.
通过对工作面端面冒顶原因及支护系统的分析得出，加大液压支架的流量可以加快移架速度，降低冒顶事故率，提高生产效率。
Analysing the roof-fall cause of end face and support system, an effective way to reduce roof fall sensitivity and improving production efficiency are pointed out.
对锚杆支护引起的一起冒顶事故进行了分析，指出了顺巷断层对锚杆(索)支护的影响，对同类巷道的支护选择具有一定的借鉴意义。
A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.
对锚杆支护引起的一起冒顶事故进行了分析，指出了顺巷断层对锚杆(索)支护的影响，对同类巷道的支护选择具有一定的借鉴意义。
A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.
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