利用灰色关联度进行煤层底板突水危险性综合评价的研究与应用

煤层底板水害一直是困扰煤矿安全生产的重要问题之一,选择合理准确的评价方法对煤层底板突水危险性进行评价,对于指导煤矿安全生产有着重要意义。灰色关联度分析法以数据序列为研究对象,现实求各个方案与由最佳指标组成的理想方案的关联系数,再由关联系数得到关联度的方法。将灰色关联度分析法应用到煤层底板突水危险性评价中,建立评价单元与参考序列之间的灰色关联度矩阵,通过引入权重的方式,改进邓氏灰色关联度的计算方法,以保证得到的最终综合评价结果更为准确。

Research and Application of the Comprehensive Evaluation of Coal Floor Water Bursting by the Grey Relational Degree

Coal floor water bursting has been one of important problem in coal mine safety production. Therefore, choosing reasonable and accurate evaluation method to evaluate coal floor risk has great significance to guide the safe production of coal mine. The method of grey correlation analysis takes data sequence as the research object. And the first is to get the correlation coefficient of each scheme and the ideal scheme composed of the best indicators, then to get relational degree again by the correlation coefficient. In this paper, the method of grey relational degree analysis is applied to water bursting hazard evaluation and establishes grey correlation matrix between the evaluation unit and the reference sequence. Which improves the calculation method of Deng grey relational degree by introducing the weight and ensures the final comprehensive evaluation results more accurate.