冲击地压的预测方法--qsf999的安全生产小屋

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冲击地压的预测方法 | 2011-9-26 10:19:00

冲击地压的预测方法

    目前，冲击地压的预测方法主要有以下几种：
    （1）钻屑法。钻屑法是通过在煤体中打小直径（42^50～）钻孔，根据排出的煤粉量及其变化规律以及钻孔过程中的动力现象鉴别冲击危险的一种方法，目前在我国应用较普遍。钻屑法是我国《煤矿安全规程》规定采用的冲击危险程度监测和解危措施效果检验的主要方法。
    （2）声发射和微震监测方法。声发射监测的过程主要是对冲击地压前兆信息的统计，冲击危险的判别依据是能率、事件频度及其变化规律，单个声发射事件的幅度、延续时间、频率等参数作为判别冲击危险的参考指标。
    （3）综合指数法。综合指数法是在进行采掘工作前，首先分析影响冲击地压发生的主要地质和开采技术因素，在此基础上确定各个因素对冲击地压的影响程度及其冲击危险指数，然后综合评定冲击地压危险状态的一种区域预测方法。

By:qsf999 | 阅读全文 | 回复(16) | 引用通告 | 编辑

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Re:在漫画中识别身边的违章 | 2016-10-18 4:41:36

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Re:在漫画中识别身边的违章 | 2016-10-14 17:52:19

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Re:在漫画中识别身边的违章 | 2016-10-12 19:47:00

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原创 | 2016-9-30 16:01:55

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原创 | 2016-9-28 21:18:36

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原创 | 2016-9-6 21:44:20

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