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Information × Registration Number 0207U000144, 0106U005618 , R & D reports Title Development of the special technologies of working off reserves in coal pillars popup.stage_title Head Hodyrev Eugeny Dmitrovich, Registration Date 11-01-2007 Organization Ukrainian State Resеаrch and Design Institute of Mining Gеology, Rock Mechaniеs and Serveying popup.description2 The work contains technical provisions to determine stress field non-uniformities that arise during establishing coal pillars, taking into account ratio of mine workings, and calculation methods for maximum pillar widths and their inherent stresses. Optimal parameters of heading-and-stall method are determined to provide for efficient auger operation. Worked out are typical partial developments of safety pillars and determined are basic principles for auger operational control. Product Description popup.authors popup.nrat_date 2020-04-02 Close