目前,克里沃罗格矿区的大多数铁矿已采掘到800米和更深处。伴随地下大爆破产生的地震一直扩散到距震心很远的地表,因此工业和民用建筑均受到了地震波的危害。用凿岩爆破法在地下300米深处开采富矿的 Currently, most of the iron ore mines in the Krivoy Rug mine have been excavated to 800 meters and beyond. The earthquakes that accompany the underground blasting have spread to the earth’s surface far away from the earthquake center, so both industrial and civil buildings are endangered by seismic waves. Mining rock-blasting at a depth of 300 meters deep underground