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Information × Registration Number 0221U101851, 0111U009666 , R & D reports Title Desing series of reinforsed concrete tubing for the construction of enhanced lining for repair of vertical shafts with a diameter of 6 m - 8 m and equipment to manufacture them popup.stage_title Head Lapko Oleksandr M., Registration Date 26-01-2021 Organization Separate subdivision "State Research Institute of Organization and Mechanization of Mine Construction" of the State Enterprise "Scientific and Technical Center" Coal Innovation " popup.description2  The subject of the research is the cast-in-place concrete tubes for bolting vertical shafts of circular cross-section and equipment for their production, rules of bolting with cast-in-place concrete tubes. The aim of the work is to increase the quality and reliability of the repair of the broken shafts with the reinforced-concrete tubes. Methods of investigation - empirical. According to the schedule of work for 2015 the rest edition of the normative document "Vertical shafts of coal mines. Rules of repair of the consolidation with the use of the zalizobetonnyh tyubbingov" and sent for review. Product Description popup.authors Volkov Volodymyr Yu. Gnezdilov Volodymyr G. Klimchuk Mykola V. Lisnichuk Mykola V. Lapko Olexandr M. Lebedeva Alla S. Pogorjelov Valery I. popup.nrat_date 2021-01-26 Close