文章摘要信息 关键词 ： 岩浆侵入；瓦斯赋存；煤质；煤层；淮北矿区 [gap=1374]Keywords : magmatic intrusion；gas occurrence；coal quality；coal seam；Huaibei mining area
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The paper studied the typical coal roadway roof structure of Huaibei Coal mine, especially studied the physical and chemical characteristics of weak intercalated seam by the lab rock block experiment and theory analysis.
本文利用实验室岩块实验和理论分析,系统研究了淮北矿区典型煤层巷道的顶板结构,着重研究了软弱夹层的物理特性与化学特性。
参考来源 - 淮北矿区煤巷围岩稳定性分类与支护对策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
通过淮北闸河矿区的工程实践，介绍了在适宜的水文地质条件下，利用爆破方法提高岩溶含水系统中水井出水量的方法。
By way of the engineering practice in Zhahe mining area, the method raising the well capacity in the karst containing water system under the suitable hydrogeology condition was introduced.
淮北临涣矿区的冲积层由三个隔水层和四个含水层组成。
The alluvial of Linhuan mine area in Huaibei consists of tour aquifers with three water resisting layers.
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