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| Changes and Optimization of the Mining Methodin Dahongshan Iron Mine |
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Received:May 26, 2012
Revised:June 12, 2012
Accepted:June 13, 2012
Published Online:August 23, 2013
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| DOI： |
| KeyWord:point-pillar ; filling; mining method; pressure control; horizontal slicing |
| Author | Institution |
| ZHANG Hui |
Kunming University of Science and Technology |
| HUAN Bing-lian |
Kunming University of Science and Technology |
| WEI Yan-min |
Kunming University of Science and Technology |
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| Abstract: |
| In order to ensure the safety of the open-pit mining above the NO.Ⅰ copper belt in Dahongshan iron ore,the need for the existing sublevel stoping backfill method to make changes,based on the selection of mining methods to conduct a feasibility analysis, preferably the most suitable mining method for the mine actual——The upward horizontal slicing and filling method, and waste rock fill first,and then fill with classified tailings, finally the use of cement tailing paste filling, and can greatly save the production cost.Promotion of high value in the mines with similar mining conditions. |
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