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Information × Registration Number 0302U007193, 0102U005448 , R & D reports Title Working out of the effective protective shelf design for doing out the rock pillar at the level of 1380 m in the shaf t of "Lenina" mine popup.stage_title Розробити ефективну конструкцію захисного похилого помосту для ліквідації породного цілика у стовбурі ш. "Леніна" на вiдмітці 1380 м Head Zadorozny Alexey Mychaylovich, Registration Date 16-08-2002 Organization Krivoy Rog technical University popup.description2 One has accomplished a choice of the scheme, carried out reliabillity calculations, worked out the construction for "Lenina" shaft ovelapping to remove the rock atter finishing its sinking. These measurements gave a possibility to shorten the idle time of the main ore extracting shaft on the 1380 m level for the 10 days to reduce prime cost of the capital mining operations and to improve their safety Product Description popup.authors popup.nrat_date 2020-04-02 Close