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Information × Registration Number 0308U001286, 0107U002421 , R & D reports Title Geomechanical basing and development of technical decisions on providing stability of safety pillar at working-out the level 301...330 m . Development of additions to standard certificates for drifts support of Zaporozhski iron-ore plant. popup.stage_title Геомеханічне обгрунтування та розробка технічних рішень по забезпеченню стійкості охоронного цілика при відпрацюванні поверху 301...330 м. Розробка доповнень до типових проектів кріплення виробок Запорізького ЗРК. Head Chistyakov Yevgeni Petrovich, Registration Date 29-01-2008 Organization State enterprise "Scientific-research mining institute" popup.description2 The study is made for mine-geological conditions at working-off rooms of the level 330. . .301m. The aim of work - ensuring stability of safety pillar and stoping rooms at working-off reserves of deposit "Glavnaja" under safety pillar. Here is done analysis of data on hydrogeological and sound-ranging observations and surveying measurements. There are developed certificates of supporting mine workings by monolith sets. Product Description popup.authors popup.nrat_date 2020-04-02 Close