Excavation of barrier pillars during mining of ore fields by caving systems
Authors:
Abstract
In the development of horizontal or declining ore deposits to improve the conditions of ventilation, prevent the penetration of water and gases, localization of cave-ins and other purposes it is sometimes necessary to leave barrier pillars that divide the ore body into separate fields. In case of significant ore reserves, these pillars are sometimes extracted after mining of adjacent fields...
Область исследования:
(Archived) Without section
Similar articles
Investigation of bearing pressure at different order of block excavation in a floor (for conditions of mining of lower horizons of Kirovsky mine of Apatit Combine)
1969 N. Z. Galaev, G. G. Milekhin
Experience of inter-chamber pillar mining after consolidation of the primary chambers' backfill
1969 Yu. L. Minaev, A. V. Karpunin, A. G. Vasiliev