Determining areas in an inclined coal seam floor prone to water-inrush by micro-seismic monitoring

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当采矿在限制含水土层上面被执行时,煤缝接地板的失败深度是必须被记住的一重要考虑。决定地板失败深度是为预言地板的抵抗水的能力的必要前提。我们使用了一种高精确的微地震的监视技术克服从域大小可得到的数据的有限数量。一块煤缝接地板的失败深度,一块特别使倾向的煤缝接地板,可以被监视地板的连续、动态失败更精确地估计。监视结果在 workface 运输车道(更低的 crossheading ) 附近显示煤缝接地板的失败深度更深并且失败范围与回来航线(上面的 crossheading ) 附近的煤缝接地板相比在这里是更宽
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