CAJ | 학술논문

针对九仗沟金矿矿体倾角陡、厚度变化大、脉外工程量大、下盘围岩破碎的特点,通过技术经济比较,选择分段空场法进行开采,采用分段采准,连续回采工艺;分段上向扇形中深孔连续落矿,装岩机出矿,工业试验取得了良好的效果,技术经济指标良好,为该矿的安全高效开采提供了保障.
침대구장구금광광체경각두、후도변화대、맥외공정량대、하반위암파쇄적특점,통과기술경제비교,선택분단공장법진행개채,채용분단채준,련속회채공예;분단상향선형중심공련속락광,장암궤출광,공업시험취득료량호적효과,기술경제지표량호,위해광적안전고효개채제공료보장.
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