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Yu. V. Fedotova
Yu. V. Fedotova
senior research assistant, Ph.D.
Mining Institute of the Kola Research Center RAS
senior research assistant, Ph.D.
Mining Institute of the Kola Research Center RAS

Articles

Innovation in designing of mining plants
  • Date submitted
    2011-10-09
  • Date accepted
    2011-12-13
  • Date published
    2012-04-01

Safety problems of mining operations in high-stress hard rock massif

Article preview

Intensive development of large-scale deposits in high-stressed rock masses results in sharp activation of mining-induced processes in the earth depths and the surface thus initiates increasing of seismic activity in the mining area and hazard of rockbursts and mining-induced earthquakes. As reliable spatial-temporal prediction of dynamic events in the mines is problematic in the current state of methodology and geomechanical experiment technique, therefore, it is required to assess risks of  these events which scale determines corresponding preventive measures.

How to cite: Kozyrev A.A., Panin V.I., Fedotova Y.V. Safety problems of mining operations in high-stress hard rock massif // Journal of Mining Institute. 2012. Vol. 198. p. 150.
Present-day problems of geomechanics, mining practice and innovation technologies in mining engineering
  • Date submitted
    2011-09-01
  • Date accepted
    2011-11-11
  • Date published
    2012-03-01

Deep open pit walls design using rock mass stress-strained state

Article preview

One of the main deep open pit mining problems is the wall stability for a long time. It is obvious that the basic area of stress concentration in deep pits is the lower  edges of pit  walls. We have been studying the possibility of reducing stress concentrations like these by means of the alteration of the open pit bottom part configuration. To do this, there was considered  the  shape with a smooth passage from walls to the bottom of the pit (by widening the berms in the lower part) instead of trapezoid shape. Calculations were carried out  for deep open pits with a flat and rounded bottom across and along the strike of the ore body.

How to cite: Reshetnyak S.P., Fedotova Y.V., Savchenko S.N. Deep open pit walls design using rock mass stress-strained state // Journal of Mining Institute. 2012. Vol. 197. p. 169.
Problems in geodynamic and ecological safety in the exploration of fields of oil and das, their storage and transporta
  • Date submitted
    2009-10-19
  • Date accepted
    2009-12-17
  • Date published
    2010-04-01

Systematization of factors to be considered in mine abandonment design

Article preview

Subsoil is not just a source of mineral resources; it also serves as a burial site of industrial and domestic wastes, a storage place for oil and gas, and an environment for constructing underground facilities and creating preservations and nature sanctuaries. Subsoil area development is intensified and diversified with each passing year, exerting great influence on ecological systems and all their components. Special attention should be paid to terrain as upper facet of lithosphere, submitted to maximal impact of anthropogenic processes. Activation and emergence of natural and anthropogenic processes causes changes manifested in various combinations of negative events. Most important events include deformations of rock mass and land surface: exhaustion and pollution of ground and surface water, waterflooding and swamping of tapped sites, soil dehydration and salinization, air pollution, land site withdrawal from commercial circulation etc.

How to cite: Reshetnyak S.P., Fedotova Y.V., Doroshenko V.V. Systematization of factors to be considered in mine abandonment design // Journal of Mining Institute. 2010. Vol. 188. p. 221-224.