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[期刊论文] 作者：Mark Christopher,Gauna Michael,,
来源：International Journal of Mining Science and Technology 年份：2016
Coal bursts involve the sudden,violent ejection of coal or rock into the mine workings. They are almost always accompanied by a loud noise,like an explosion,and...
[期刊论文] 作者：Mark Christopher,Gauna Michael,,
来源：International Journal of Mining Science and Technology 年份：2017
For decades, pillar recovery accounted for a quarter of all roof fall fatalities in underground coal mines.Studies showed that a miner on a pillar recovery sect...
[期刊论文] 作者：Gauna Michael,Mark Christopher,,
来源：International Journal of Mining Science and Technology 年份：2017
Underground coal mining in the U.S. is conducted in numerous regions where previous workings exist above and/or below an actively mined seam. Miners know that o...
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