【摘要】 从煤与瓦斯突出发生机理以及煤矿防突工作经验出发,筛选煤与瓦斯突出预警指标,运用层次分析法确定各预警指标权重系数,基于可拓学理论构建出煤与瓦斯突出预警模型。应用该预警模型对谢桥煤矿1361(3)运输巷掘进工作面进行了煤与瓦斯突出的量化预警和突出风险等级划分。结果表明,采用层次-可拓预警模型的预警结果与工作面现场实际相符合。更多还原

【Abstract】 Based on the mechanism of coal and gas outburst and the working experience of coal mine prevention, the indexes of coal and gas outburst are selected. The weight coefficient of each warning index is determined by the analytic hierarchy process,and the coal and gas outburst warning model is constructed based on the extension theory. In this paper, the quantitative early warning of coal and gas outburst and the classification of outburst risk of coal and gas outburst were carried out in 1361(3)transportation roadway driving working face of Xiqiao Coal Mine. The results showed that the early-warning results of the hierarchical-extension warning model were in line with the actual situation of the working face.更多还原