Justification of the rational parameters of chambers of the third stage extraction while underground iron ore mining

Zubko, S.S.ZubkoKononenko, M.M.KononenkoPetlovanyi, M.M.Petlovanyi2019-10-182019-10-182015http://ir.nmu.org.ua/handle/123456789/154315The width of stope chamber of third stage mining in contact with week rocks of hanging wall is justified. The calculation technique of mining methods with backfilling is improved.ukstress-strain statechamber of third stage miningweek rocks of hanging walltechnique of mining methodsJustification of the rational parameters of chambers of the third stage extraction while underground iron ore miningArticle622.014.2