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Information × Registration Number 0201U003623, 0198U005341 , R & D reports Title To investigate and to elaborate technological and engineering solutions for creation of the new coal recovery process under built up territories, geomechanical justification of the new control principle by tight - strained state of the rock massif popup.stage_title Head Rakhutin V.S., Registration Date 02-04-2001 Organization National Mining University of Ukraine popup.description2 The coal recovery processes under built up territories are investigated, the recovery process of coal under built up territories with applying of hardening backfill and pneumatic curbing is created. The technological schemas of the coal mining recovering along the strike and revolt of seam under built up territories and also principles of control by tight - strained state of therock massif are designed,. The path of the heightening of mine workings strength is retrieved Product Description popup.authors popup.nrat_date 2020-04-02 Close