摘要
本文利用潘北煤矿55个典型水样,选取Ca2+、Mg2+、Na++K+、HCO3-、Cl-、SO42-、碱度、总硬度、矿化度以及pH共10个判别指标,基于多元逐步Bayes判别分析理论,建立突水水源判别模型,并进行回判检验。结果表明:该模型的判对率高达98%,对矿井突水水源判别及防治水工作有一定的指导意义。
Based on the 55 typical water samples in Panbei coal mine,ten discriminative indexes( Ca2+、Mg2+、Na++K+、HCO3-、Cl-、SO42-、alkalinity、total hardness、TDS and pH) have been selected. Combine with multivariate stepwise Bayes discriminative analysis theory,the discriminative model of water-inrush has been established and verified. The result showed that the accuracy rate of the model was so high that it has a certain guiding significance for mine water-inrush discrimination and the work of water prevention and control.
引文
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