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Vol 151
Pages:
173-176
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Problems of developing deep deposits of rich KMA iron ores

Authors:
A. G. Protosenya1
Yu. N. Ogorodnikov2
O. V. Shpanskii3
V. I. Ochkurov4
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining University
  • 2 — G.V. Plekhanov Saint Petersburg Mining University
  • 3 — G.V. Plekhanov Saint Petersburg Mining University
  • 4 — G.V. Plekhanov Saint Petersburg Mining University
Date submitted:
2001-08-07
Date accepted:
2001-09-21
Date published:
2002-03-01

Abstract

On the example of Mikhailovsky and Yakovlevsky deposits the problems of development of rich iron ores of KMA related to their deep occurrence, taking into account difficult engineering-geological conditions of construction of underground mines and harmful consequences of ore mining by open pit for the natural environment are considered. The results of complex tests of physical-mechanical properties of loose rich ores, which have not been sufficiently studied yet, are presented. Forecast of land alienation and soil contamination caused by an increase in the volume of overburden during further exploitation of Mikhailovsky open pit is given. For the Yakovlevsky mine, the most effective layered systems of development of the ore body with stowing of the mined-out space were studied. The descending order of mining of blocks with the device on the top layer of protective overlap to prevent subsidence of the overlying strata with the formation of channels of hydraulic connection with the coal aquifer is recommended.

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References

  1. Чаплыгин Н.Н. Горная экология в исследованиях ИПКОНРАН / Н.Н.Чаплыгин, В.И.Паничев // Горный вестник. 1997. № 5.
  2. Технические решения по строительству рудника / Н.Н.Кадолба, В.М.Субботин, В.А.Нелаев и др. // Горный журнал. 1996. № 1-2.

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