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由于综放开采的特殊性,使综放开采工作面的瓦斯涌出强度大大增加,致使“分源法”中的某些“源”的计算公式及预测参数的取值范围适应性减小,预测精度降低。为了增加“分源法”的适应性,对阳泉五矿综放开采工作面瓦斯资料进行总结,对影响邻近层瓦斯涌出量预测参数进行分析,提出了适合综放开采工作面邻近层瓦斯涌出量预测方法,取得了较满意的拟合结果。
Due to the particularity of fully mechanized top coal caving, the gas emission intensity of fully mechanized top coal caving mining face greatly increases, resulting in the calculation formula of some “source” in “sub-source method ” and the range of predictive parameters Reducing the accuracy and reducing the prediction accuracy. In order to increase the adaptability of “sub-source method”, the gas data of the fully mechanized top coal caving mining face in Yangquan Mine are summarized, and the prediction parameters of gas emission in adjacent layers are analyzed. Gas emission prediction method, obtained a more satisfactory fitting results.