现在北乌拉尔铝矿床开采深度低于380米时,常发生微冲击和冲击地压之类的动压现象。北乌拉尔铝矿的主要采矿方法为:分层崩落法、胶结充填第一期矿房的房式法和房柱法。由于房柱法能够采用自行技术,保证了最高的劳动生产率和最大的开采量,故采用房柱法开采的矿石量占开采矿石总量的50～60％。 Now that the mining depth of the Northern Urals' aluminum deposit is less than 380 meters, dynamic pressure such as micro-impact and rock burst often occurs. The main mining methods for the northern Ural aluminum mines are the chamber-floor method and the column-and-column method for the first stage of the cemetery with cementation and caving. Since the method of house-and-column method can use its own technology to ensure the highest labor productivity and the largest amount of exploitation, the amount of ore mined by the method of column and pillar accounts for 50 to 60% of the total amount of ore mined.