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Journal of Mining Sciences

2015 year, number 4

Stress Redistribution in Deep Open Pit Mine Zhelezny at Kovdor Iron Ore Deposit

A. A. KOZYREV, I. E. SEMENOVA, V. V. RYBIN, I. M. AVETISYAN
Mining Institute, Kola Science Center, Russian Academy of Sciences, ul. Fersmana 24, Apatity, 184209 Russia
Keywords: геомеханика, напряженное состояние, устойчивость бортов карьеров, математическое моделирование, разработка месторождений полезных ископаемых открытым способом, geomechanics, stress state, pit wall stability, mathematical modeling, open pit mineral mining method

Abstract

The full-scale measurements of initial stresses and numerical modeling of stresses in rock mass enclosing deep open pit mine Zhelezny under planning at Kovdor Mining-and-Processing Integrated Works are presented in the article. The authors have located hazardous areas in pit wall rock mass and validated stability conditions for pit walls with vertical benches.