Polar Division of «Norilsk Nickel» MMC (Norilsk, Russia):

Galaov R. B., Head of Mining and Geological Department

National Mineral Resources University (Saint Petersburg, Russia):

Zvezdkin V. A., Leading Researcher, Candidate of Engineering Sciences, e-mail: zvezdkin@spmi.ru
Shabarov A. N., Director of Science Center of Geomechanics and Problems of Mining, Doctor of Engineering Sciences

This article gives the results of researches of stress condition of intrusion of block structure of deep mines of Talnakh ore cluster. The analysis of stress condition of near-rupture areas of tectonic blocks is given, depending on the change of mining and technical situation in intrusion. There was considered the mechanism of displacement and deformation of tectonic blocks. There was stated the correlation connection between parameters of stress condition of near-rupture areas of blocks and grade of their underworking. There was defined the hazard level of tectonically stressed areas, depending on stoping location, concerning the surface of the fault plane of tectonic disturbance. There was developed the complex of organization measures on bringing of tectonically stressed areas into the safe condition, on the basis of formation of relieve slot by well-drilling and decompaction of tectonic blocks. There were developed the technological parameters of big diameter wells and drilling and blasting operations.

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