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断层型矿震成因机理及预测方法研究
Cause and mechanism of mine’s fault-type earthquake and its forecast
【摘要】 介绍了抚顺煤田矿震的主要特征,用弹性回弹理论对断层型矿震的成因机理进行了深入分析,认为断层蠕动效应导致断层内部应力集中,最终使脆性和弹性岩体破裂、回弹、震动,形成了矿震。最后提出3种有效的预测该类矿震的方法。
【Abstract】 Main properties of Fushun coalmine earthquake are discussed.The cause and mechanism of mine’s fault-type earthquake are analyzed by means of Elastic Spring-back Theory.The analysis shows the reason for mine’s fault-type earthquake: the effect of fault peristalsis causes concentration of fault’s inner stresses that gives rise to break,spring-back and vibration of brittle and elastic rock bodies.Finally,3 kinds of methods for forecasting mine’s fault-type earthquake are recommended.
【关键词】 断层型矿震;
弹性回弹理论;
断层蠕动效应;
【Key words】 mine’s fault-type earthquake; elastic spring-back theory; effect of fault peristalsis;
【Key words】 mine’s fault-type earthquake; elastic spring-back theory; effect of fault peristalsis;
- 【文献出处】 矿业工程 ,Mining Engineering , 编辑部邮箱 ,2007年03期
- 【分类号】TD32
- 【被引频次】8
- 【下载频次】177