羊渠河矿突出危险性预测指标△h2临界值的确定
Critical Value Determination of Coal and Gas Outburst Risk Prediction Index △h2 in Yangquhe Coal Mine
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摘要: 煤与瓦斯突出预测预报是防突的一个重要方面,介绍了理论分析和实验室条件下,工作面煤与瓦斯突出预测指标△h2临界值的确定方法和结果。通过在现场的实际应用,显示了该方法在提高掘进速度、减少不必要的防突措施上的优越性。Abstract: The forecast of coal and gas outburst is an important aspect of outburst prevention.The paper introduces the determination method and the result of coal and gas outburst risk prediction index △h2 in working face with theoretical analysis and laboratory conditions.The practical application in the field shows the superiority of this method in improving the driving speed and reducing unnecessary outburst prevention measures.
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