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通过对汝箕沟煤矿二12 煤层地质条件与煤岩层物理力学性质分析 ,根据我国综放开采技术发展现状 ,认为该煤层采用综放开采是可行的 ,指出采取有效措施防止工作面瓦斯超限和提高煤炭回收率是该矿综放开采成功的关键。
Based on the analysis of the geological conditions and the physical and mechanical properties of No.212 seam in Rujigou Coal Mine and according to the development of fully mechanized top coal caving technology in China, it is feasible to adopt fully mechanized top coal caving mining. It is pointed out that effective measures should be taken to prevent gas overrun Improving coal recovery rate is the key to the success of fully mechanized top coal caving in this mine.