【摘要】 在复杂岩体内用深孔爆破成井法掘进井筒 ,既可解决施工安全问题 ,又能加快施工进度 ,缩短工期。本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践更多还原

【Abstract】 Shaft sinking through longhole blasting in complicated rock mass can assure safety in operation and speed up progress of construction and shorten work period as well.This paper briefly introduced the practice of longhole blast shaft forming method for blind shaft sinking in Tongshan Copper Mine.更多还原