Test result clears,roadway caving method possesses adventages of simple technology,high efficiency and safety,it finds out a good method for mining high gas steeply indined middle coal seams.

• 试验结果表明,巷道放顶煤采煤法具有工艺简单、效率高、安全性好等优点,为高瓦斯急倾斜煤层找到了一种有效的开采方法。