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特殊空间结构条件下微震活动规律研究 被引量:3

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摘要 宽沟煤矿采掘布置形成了W1143工作面特殊的空间结构。为了分析特殊空间结构覆岩活动特征,建立了矿井微震监测台站进行覆岩活动监测。监测结果表明,特殊空间结构条件下,覆岩产生的微震事件呈先增加,后减少,最终趋于稳定的特点;覆岩释放的能量和频次与岩层活动剧烈程度呈正相关性,覆岩活动越频繁,释放的能量越大,产生的微震事件越多。矿井建立的ARAMIS M/E微震监测系统在揭示覆岩活动规律及监测、预警冲击地压危险中起到了关键作用。
出处 《中国煤炭》 北大核心 2014年第S1期92-95,共4页 China Coal
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