OVERVIEW OF COMBINED UNDERGROUND MINING SYSTEMS FOR ORE DEPOSITS

Abstract

The article considers the experience of designing and
using combined underground mining systems of ore deposits. The use of combined systems in the practice of
mining enterprises covers all the conditions of occurrence of ore bodies in terms of power and angle of incidence. The extracted ores are characterized, as a rule, by
a rather high value and / or strategic orientation of their
further use. The main reasons for the transition to combined underground mining technologies are also very
diverse and, most often, interrelated. These are: increase
in production efficiency due to improved extraction rates
and reserves mining intensity; management of the geomechanical state of the massif; reduction in production
costs; environmental and safety considerations, primarily related to the conditions of water cut in deposits and
to the tendency of ores to spontaneously ignite; and utilizing the maximum possible volume of mining waste in
subsoil cavitations.