Geomechanical Monitoring of Open-Pit Bottom Reserves of Mir Mine, Alrosa: Results
V. D. BARYSHNIKOV1, A. S. FEDYANIN2, E. K. PUL'2, D. V. BARYSHNIKOV1
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
2Alrosa, Molodezhnyi per. 3, Mirny, 678174 Republic of Sakha (Yakutia), Russia
Keywords: предохранительный целик, рудная потолочина, геомеханический мониторинг, водоносный комплекс, осадка, сдвижение, деформация, реперная станция, профильная линия, safety pillar, ore crown pillar, geomechanical monitoring, aquifer, subsidence, movement, deformation, plug point, profile
Abstract
The authors propose methods and means to monitor deformation and subsidence of ore crown under mining of open-pit bottom reserves by room-and-pillar system with solidifying backfill in Mir Mine, Alrosa. The article describes layout and data of geomechanical monitoring. The mechanism of ore subsidence at the lower boundary of the safety pillar is determined.
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