【摘要】 矿山采场顶板冒落是地下矿山开采中常见的灾害.本文通过对影响采场顶板稳定性的因素分析,总结出其影响因素评价指标,应用简单的划分方法以及灰色关联度分析方法和人工神经网络方法,对地下矿山的采场顶板进行了安全等级的划分.更多还原

【Abstract】 Collapse of stope roof, is one of disasters occuring at underground mines. On the basis of analyzing factors which influence the stability of stope roof, the article sums up the related evaluating criterion, and carries out the stope roof safety classification of underground mines with application of the basic classifying method, artificial neural network, and analyzing method of grey relevance as well.更多还原