【摘要】 利用FLAC方法对石人沟铁矿露天转地下开采南区房间矿柱稳定性进行了研究,并对地下开采采场房间矿柱进行了优化,为安全高效的回采地下矿产资源提供了保证。更多还原

【Abstract】 The paper studies stability of middle room pillars in southern room at Shi Rengou iron Mine in transition from surface to underground by the use of the method of FLAC and optimizing the size of middle pillar of underground room to provide assurance of the underground mineral resources safely.更多还原