巨厚红层下厚煤层露头区开采防水煤柱留设

Safety in Coal Mines(2020)

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Abstract
为了探究东滩煤矿规划设计的七采区巨厚侏罗系红层下山西组厚煤层露头区开采防水煤柱留设问题,选择典型的露头区附近6个钻孔围成的区域进行了系统分析,绘制了侏罗系厚度和3上煤层顶板到侏罗系红层底部间距等值线.在此基础上,建立了典型3上煤层开采的工程地质剖面图,采用类比分析和相关规范以典型钻孔为例对巨厚红层下开采厚煤层防水煤岩柱留设进行了探讨.
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