There are some questions exist in top-coal caving face like gas accumulation and high cost for treatment.
煤矿井下综放采煤工作面存在瓦斯积聚、治理费用昂贵问题。
With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
经过优化的三机配套方案后，新矿集团的各生产矿井的短壁综放工作面均实现了高产，取得了较好的经济效益。
The paper introduces type choose and working resistance determining of powered support and its application in longwall with top-coal caving face of xiagou mine.
介绍了下沟煤矿综放开采支架选型与工作阻力的确定以及支架的适应性。
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