VCR采矿法(大直径垂直深孔球形药包崩矿后退式采矿法)自七十年代出现,于1975年在加拿大首次试验获得成功后,相继在全世界一些国家和矿山获得了广泛应用,它的成功之处在于方法安全、高效、成本低,因此受到了采矿界的普遍重视。 VCR法的原理建立在球形药包爆破,以倒漏斗崩矿的理论基础上,主要特点是:自采场上部布置、排列并钻凿下向式大直径深孔,采用高威力、高密度、高爆速、低感度炸药,以球形药包自下而上将矿体分层崩落至下部预留空间,崩落矿石由出 VCR Mining Law (Large Diameter Vertical Deep Spherical Pellets Reheater Mining) Since its emergence in the 1970s and its success in Canada in its first pilot in 1975, it has been widely used in several countries and mines worldwide The success of this approach is that it is a method that is safe, efficient and low cost and therefore has received the general attention of the mining community. The principle of the VCR method is based on the theory of spherical pellet blasting and inverted hopper collapse and collapse. The main features of the VCR method are: arranging and drilling downward large-diameter deep holes from the upper part of the stope, adopting high-power, high-density, High detonation velocity, low sensitivity explosives to spherical kits bottom-up ore body will be layered to the lower part of the reservation space, the ore from the out