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Nonlinear criteria and the influence of the average principal stress on rocks destruction
(National Mining University, 2018-12-30)
Purpose. Consider possible series methods of Mohr-Coulomb nonlinear criterion that takes into account stresses in the plane of fracture. Investigate the influence of the average principal stress on rocks destruction when ...
Analysis of the efficiency of geomechanical model of mine working based on computational and field studies
(National Mining University, 2018-12-30)
Purpose is to substantiate the efficiency of geomechanical model of the mine working on the basis of qualitative and quantitative parameters of stress and strain state of the mine working and to compare the results of ...
Selection of accessing and development schemes for extracting reserves of ore body 2 in Irtysh deposit
(National Mining University, 2018-12-30)
Purpose. Justification and selection of a rational scheme for accessing the second ore body of the Irtysh deposit based on a technical and economic comparison of its adopted competitive options.
Methods. The main mining, ...
Experimental studies of the seam openings competence in different methods of protection under pitch and steep coal seams development
(National Mining University, 2018-12-30)
Purpose. Investigation of the seam openings competence in different methods of protection in complex mining and geological conditions of pitch and steep coal seams development of Donbas.
Methods. To achieve this purpose, ...