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Mining

The improvement of selective extraction of thick potash seams mined with room and pillar mining method

Authors:
Yu. G. Sirenko1
M. Yu. Brychkov2
E. R. Koval'skii3
  • 1 — Saint Petersburg State Mining Institute (Technical University)
  • 2 — Saint Petersburg State Mining Institute (Technical University)
  • 3 — Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2016-12-19
Date published:
2010-02-01

Abstract

Technological scheme of selective extraction of a complex thick potash seam on the basis of cutting machine «Bucyrus Model 25 M0» is proposed. Stable pillars’ width and room dimensions are calculated. Economical effect is also presented.

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