冒顶事故是指矿井采掘时,通风道坍塌所产生的事故,是矿井采掘工作面生产过程中经常发生的。在西欧及日本一些采掘技术较发达的国家也常见到。
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.
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