摘要
本文根据机械化放顶煤工作面特点,对顶煤放出规律进行了研究,在此基础上利用计算机模拟提出了顶煤放出的最佳放出步距。
On the basis of characteristic of sublevel caving workface, the law of drawing roofcoal has been studied. At the same time, suitable step distance of drawing roofcoal is derived by computer simulation.
关键词
采煤
放顶煤
步距
机械化
law of drawing roof coal
step distance
computer simulation
