Specificity of Iron Ore Mining in Gornaya Shoria
A. A. EREMENKO1,2, V. N. FILIPPOV1, S. M. NIKITENKO3, E. A. KHRISTOLYUBOV4
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
2Gorbachev Kuzbass State Technical University, ul. Vesennyaya 28, Kemerovo, 650000 Russia
3Institue of Coal, Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Sovetskii pr. 18, Kemerovo, 650000 Russia
4Gornaya Shoria Division, EVRAZRUDA, ul. Lenina 21, Tashtagol, 652970 Russia
Keywords: руда, участок, геодинамические явления, горная порода, технология, система разработки, шахта, себестоимость, конкурентноспособность, ore, area, geodynamic event, rock, technology, mining system, mine, cost, competitve ability
Abstract
The complicated geology and geomechanics in Tashtagol, Sheregesh and Kaz mines induce geodynamic events during transition to deeper level mining. Mining advance from the higher stress concentration areas from the hanging wall of a fault towards the lower stress concentration areas contributes to the reduction in rockburst hazard. The use of the self-propelled equipment allows higher volume of preparatory driving per 1000 t of ore production by 10-20% as compared with the portable equipment. The mechanism of rock mass movements in deeper level stoping is revealed. High mining depth and high strength of enclosing rocks are favorable for starting extraction of ore reserves left in pillars. The combination of these factors and the efficient mining system design enable mining of blind ore bodies without backfill and allows extraction of ore reserves from pillars under the rivers and ground surface infrastructure.
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