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目前,地下中深孔采矿的崩矿面,多属于垂直的和水平的,大量生产实践证明,上述崩矿面对于回采倾斜矿体和上下盘残矿,已不能完全满足崩矿技术要求。如能准确掌握和灵活运用各种斜面炮孔崩矿,则将对降低矿体贫化损失及减少采掘工程量、具有一定的价值。下面简述斜面炮孔在我局的具体应用:一、斜面炮孔地质图的作法要能合理的设计斜面炮孔和进行炮孔验收,就得先作出正确的欲崩矿体斜面炮孔地质图,具体作法是:1、首先,将硐室工程及支机点位置绘制在平面座标网格上(图一),通过支
At present, the collapsible surface of deep-hole underground mining is mostly vertical and horizontal. The mass production practice proves that the above-mentioned collapsible surface can not fully meet the technical requirements of collapsing for the mining of inclined orebodies and the upper and lower disc residual deposits. Accurately grasping and flexibly using various bevel blasthole operations will have some value in reducing the depletion loss and reducing the amount of excavation work. The following briefly describes the specific application of bevel hole in our bureau: First, the practice of bevel hole geological map to be able to design a reasonable bevel hole and blasthole acceptance, you have to make the right to be collapsible ore bevel hole geology Figure, the specific practices are: 1, first of all, the chamber project and the location of the branch plane drawn on the coordinate grid (Figure 1), through the branch