借助于在平面上和深度上扩大生产露天矿山境界的方法,可以增加或维持矿山生产能力(表1)。乌克兰地区采选公司深露天铁矿具有代表性的特点是:在工程地质断面上具有松散的、弱含水的、在一系列情况下有变形趋势的坚硬的、中硬的和蚀变坚硬的(直到粘土质的)、以及裂隙发育的坚硬岩石;在风化带以下有相当大的构造应 Mining capacity can be increased or sustained by expanding the level of production of open pit mines both horizontally and in depth (Table 1). A representative company of mining companies in the deep region of Ukraine is the open-pit iron mine with loose, weak-water, hard, medium and hardened ( Until clayy) and hard rocks with fissures developed; there is considerable tectonics below the weathered belt