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.
Yu. G. Sirenko, M. Yu. Brychkov, E. R. Koval'skii (2010) The improvement of selective extraction of thick potash seams mined with room and pillar mining method. Journal of Mining Institute. Vol 186. p. 79.