无底柱分段崩落法悬顶发生原因及处理措施

Briefly discussed of causes and treatment measures of hanging arch in sublevel caving method

结合矿山实际调研情况,分析了造成无底柱分段崩落法矿山发生悬顶的原因,并从自然冒顶法、正面压顶法、扩孔处理法等方面,提出了具体的处理措施,有利于保障矿山安全正常生产。

Combining with the actual research situation of mine,this paper analyzed the causes of bottomless column sub-collapse method suspension roof,and put forward specific treatment measures from the natural capping method,frontal pressure top method,pore expansion treatment method and other aspects,conducive to ensure the safe and normal production in mines.