为了确定煤与瓦斯突出敏感指标及其临界值,防止敏感指标临界值的过大过小导致突出现象的发生。选取平煤九矿作为实验地,运用“三率”法对其进行定量分析,确定钻孔瓦斯涌出初速度q和钻屑量指标S为突出敏感指标,并确定了预测敏感指标的临界值。实践表明,该预测敏感指标能有效地解决突出指标的难题,对指导现场安全生产具有一定的意义。 In order to determine the sensitive index of coal and gas outburst and its critical value, preventing the critical value of sensitive index from becoming too large and too small leads to the occurrence of prominent phenomenon. Select Pingmei 9 as an experimental ground, the use of “three rate ” method for quantitative analysis of its determination of drilling gas gushing rate q and drill cuttings index S as a prominent sensitive index, and to determine the threshold of sensitive indicators value. Practice shows that the forecasting sensitive index can effectively solve the difficult problem of highlighting the index, which is of certain significance for directing on-site production safety.