小屯煤矿2#煤层突出预测敏感指标及临界值确定

为提高煤与瓦斯突出危险性预测的准确性，针对小屯矿2#煤层的实际情况，通过实验室考察敏感指标的现场跟踪，采用数理分析方法，最终确定了采掘工作面煤与瓦斯突出的预测预报敏感指标及其临界值，提高了预测预报效果，缩小防突技术措施的范围，降低防突工作成本。

Research on Outburst Prediction SensitiveIndicators and Determination the Critical Value of No.2 Coal Seam of Xiaotun Coal Mine

In order to improve the accuracy of outburst prediction, according to the actual situations of no.2 coal seam of xiaotun coal mine,the mathematical analysis method is adopted to determine the prediction and forecast sensitive indicators and the critical value of coal and gas outburst in tunnelling face by laboratory investigation and sensitive indicators of the track.The research results show that,the prediction effects are improved,the range of outburst prevention technique measures are reduced and the cost of outburst prevention is reduced as well.