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hui cai xiang dao jue jin guo yan rong xian luo zhu shi gong ji shu
Author(s): 
Pages: 39-40,47
Year: Issue:  9
Journal: Coal

Keyword:  快速掘进陷落柱施工方法;
Abstract: 以凤凰山煤矿9号煤 IX1226巷掘进通过两个陷落柱为例,针对陷落柱的特性,介绍其施工方案及工艺流程,着重对陷落柱前方煤层位置的探测方法、巷道的支护形式进行了分析,总结了施工质量控制要求、施工过程存在的问题及解决办法。本施工方法具有工艺简单、掘进效率高和安全性有保障等优点,对煤巷通过陷落柱提供了安全有效的支护经验。
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