Application of Artificial Concrete-bottom and Concrete-lane in the Thin Vein of Gold Mine;
人工假底假巷在中薄脉金矿中的应用
Technologies of pillar recovery used in mining operation in Hongtoushan Copper Mine are reviewed,especially in the technology,manual false bottom,is introduced detailedly and the feasibility of the technology application in the mine is demonstrated in combination of real examples.