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Vol 167 No 2
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Research article
Mining. Ecology

Justification of parameters of extraction of sylvinite ores from pillars with application of auger excavation

V. I. Shabun1
Yu. G. Sirenko2
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 2 — G.V. Plekhanov Saint Petersburg Mining Institute
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On the example of the Starobino deposit, the criteria determining the choice of development systems and possible ways to increase potash recovery are considered. Various schemes for extraction of sylvinite from the pillars using drill-and-screw technology were proposed. A methodology of geomechanical substantiation of parameters of extraction of targets is developed. The results of evaluation of stress-strain state of the targets and the host massif for characteristic time moments of existence of the excavated spaces outlining the targets are presented.

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