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Experimental research on the performance of cemented filling with classified tailings in Miaoling Gold Mine
- English Author：
- No.1 Institute of Geological and Mineral Resources Survey，Henan Bureau of Geo-exploration ＆ Mineral Development&Key Laboratory of Au-Ag-Polymetallic Deposit Series and Deep-seated Metallogenic Prognosis of Henan Province|No.1 Institute of Geological and Mineral Resources Survey，Henan Bureau of Geo-exploration ＆ Mineral Development|No.1 Institute of Geology and Exploration,Henan Bureau of Geo-exploration ＆ Mineral Development|No.5 Institute of Geology and Exploration,Henan Bureau of Geo-exploration ＆ Mineral Development|School of Environmental Engineering and Chemistry,Luoyang Institute of Science and Technology
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Abstract:
In order to study the performance of cemented filling with classified tailings in Miaoling Gold Mine,the mineral composition,chemical composition,and grain gradation distribution were analyzed and the properties of the slump,subsidence performance,uniaxial compressive strength,press,and filter and L-shaped pipeline were tested in this paper.The experimental results show that the slurry of classified tailings has better uniaxial compressive strength,flow characteristics,and pumpability when the ratio of ash to sand is 1∶4 and the concentration of slurry is 70 %-74 % for the classified tailings in Miaoling Gold Mine,indicating that the tailings can be used for filling in mines.
Keywords:
classified tailings;cemented filling;slump;uniaxial compressive strength;flow characteristics;pumpability;Miaoling Gold Mine
