Block forced caving with continuous pillarless ore extraction (Zapolyarny mine, Norilsk Combine)
Abstract
The Norilsk polymetallic deposit is developed by underground mining in difficult mining and geological conditions. The ore deposit is located in the permafrost zone, has intensively developed fracturing, a thick cover of overlying rocks and is characterized by the release of methane into underground workings from coal seams underlying the ore deposit. At the Zapolyarny mine (formerly named No. 7/9) disseminated ores were mined using a chamber-and-pillar system with ore storages or with breaking from sublevel drifts. These systems were abandoned because they did not provide safe working conditions for miners and stability of inter-chamber pillars.
Область исследования:
Mining
Funding:
None
Similar articles
On the propagation of stress waves during explosion in hard rocks
1960 A. N. Khanukaev, I. F. Vanyagin, V. M. Gogolev, V. G. Myrkin
Modeling of chamber development by the method of equivalent materials with the use of a dynamometric base
1960 N. Z. Galaev
On the application of models in research in the field of development of ore deposits
1960 P. I. Gorodetskii