马坑铁矿一期东区空区处理方案探讨

Treatment Scheme of Goaf in Eastern Area of Period-I in Makeng Iron Mine

马坑铁矿一期东区采用空场采矿法,浅眼落矿,空区暴露总面积为2.83万m2,总体积为74.7万m3。根据已形成的空区特点及废渣回填部分空区、封闭处理空区的成功经验,就马坑铁矿矿山采用"充填"、"封闭"相结合的空区处理方法进行探讨。

Eastern area of Pcriod-I in Makeng iron mine adopted the open stoping mining method, and the total area of the goals covers 28 300 me , and the total volume reaches 747 000 m^3. Based on characteristic of goafs and successful experience of closing down goals and waste filling in eastern area of Period-I in Makeng iron mine, the penman discussed the handling way of goafs of combining filling and closing down which used in Makeng iron mine.