DESIGN AND APPLICATION OF CEMENTED FILLING WITH ROD MILL HIGH-DENSITY LIMESTONE SLURRY THROUGH PIPES BY GRAVITY FLOW IN JIANDE COPPER MINE

This paper introduces the design, technological process, techno-economic indexes and achived primary effectiveness in using the cemented filling with rod mill high-density limestone slurry through pipe by gravity flow during No. 2 ore deposit mining in Jiande Copper Mine- Using the filling method, surface railway, railway stations,densely poptllated area and scenic spot in Qiandao Lack shore were protected.