Golik V. I., Razorenov Iu. I., Gabaraev O. Z., Karginov K. G. – North Caucasian Institute of Mining and Metallurgy,
Vladikavkaz, the Russian Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
The article is dedicated to rational schemes of developing ore deposits at large deposits with complex structure
for underground mining with the improvement of output ore quality and workplace safety. Critical analysis of patent literature
over the use of development schemes at deposits with the same conditions is fulfilled, together with physical modeling of
broken ore output conditions at equivalent materials. Complex criterion is formulated to estimate the variants of reserves
preparation for stoping with inclined descents, the essence of which reduces to representative and objective estimation
of required scope of development mining operations in providing required speed of mining depth increase, capacity of
mobile drilling and haulage equipment within a shift, regular aeration of stoping faces, and labour efficiency. Quantitative
assessment of level development variants is fulfilled with the optimization of distance between workings and the account
of support pressure at the stages of works development. Quantitative results of modeling broken ore output parameters
dependencies are introduced. For the conditions in question, optimal variants of development with inclined descents with
varied location towards ore deposits are recommended.

Key words: ore deposits; large deposits; mining development; level; inclined descent; ore output; working.

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