Qi Qing, Chen Jinfeng, Qiu Shenqian. PRACTICE IN MINING BY LONGWALL CAVING WITH ARTIFICIAL BOTTOM PILLARSJ. CHINA MINING MAGAZINE, 1999, 8(6): 45-47.
    Citation: Qi Qing, Chen Jinfeng, Qiu Shenqian. PRACTICE IN MINING BY LONGWALL CAVING WITH ARTIFICIAL BOTTOM PILLARSJ. CHINA MINING MAGAZINE, 1999, 8(6): 45-47.

    PRACTICE IN MINING BY LONGWALL CAVING WITH ARTIFICIAL BOTTOM PILLARS

    • Based on analysing the shortcomings of traditional longwall caving,this paper presents a new stoping method-longwall caving with artificial bottom pillars.In this method,developed amount is decreased by 50%;labour in tensity is lightened;single adit development and single rise cutting are realized.Long term mining practice proved that the method is a good one for gentle inclined thin seam.
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