论文部分内容阅读
东北部某露天矿对在矿体与围岩接触带使用隔离层的爆破崩矿进行了工业试验和推行了合理的工艺方案。矿体为急倾斜矿带,水平厚度2～25米。矿石和围岩属坚硬和中硬,特点是强度大
An open pit in the northeast of the ore body and the surrounding rock contact zone of the use of the separation of the blasting collapse of industrial tests and the implementation of a reasonable process plan. Ore body is a steep mining belt, the horizontal thickness of 2 ~ 25 meters. Ore and rock are hard and hard, characterized by strength