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Information × Registration Number 0306U003036, 0105U001638 , R & D reports Title Study of primary rooms stability at the level 301-330 m and improvement of method of monitoring stability of the protective pillar. popup.stage_title Дослідження стійкості первісних камер поверха 301-330 м та удосконалення методу контроля стійкості охоронного цілика. Head Chistyakov Yevgeni Petrovich, Registration Date 25-01-2006 Organization State enterprise "Scientific-research mining institute" popup.description2 Studies are made for mine-geological conditions of rooms mining in the level 340-301 m. Here is completed analysis of existing methods of stability control, stability of mine workings is estimated. Water inflows to rooms at different stages of their mining are identified. Choice of methods of stability control for protective pillar is based: sound ranging (acoustic emission), water inflow measurements, mine surveyor observations, values of estimation criteria are defined. Product Description popup.authors popup.nrat_date 2020-04-02 Close