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Analysis for Relative Methane Emission Gradient when Mining Coal Seam Clusters in Xinjian Coal Mine
Author(s): 
Pages: 7-9
Year: Issue:  2
Journal: SAFETY IN COAL MINES

Keyword:  煤层群瓦斯梯度加权统计回归分析;
Abstract: 针对复杂生产矿井开采瓦斯涌出不均衡的特点,基于加权统计和回归分析方法建立了相对瓦斯涌出量梯度的计算公式.根据新建煤矿历年瓦斯涌出量实测数据,经线性回归得出全矿井及分煤层瓦斯涌出量梯度计算式,所有计算式决定系数R2>0.99,具有较高的拟合度,为瓦斯涌出量提供了科学依据.
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