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Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls
(National Mining University, 2020-06-30)
Purpose. To substantiate changes in stress-strain state of rock mass in the process of long-pillar mining with the help of double-unit longwalls while evaluating stress of a mine field in terms of Lvivvuhillia SE mine.
Methods. ...
Risk assessment of radionuclide contamination spreading while flooding coal mined-out rocks
(National Mining University, 2020-12-30)
Purpose. To investigate pathways and concentrations of the most dangerous radionuclides entering the surface and groundwater in terms of hydrodynamic situation re-establishment in the zone of radiation-hazardous mine field ...
On the possibilities to apply indices of industrial coal-rank classification to determine hazardous characteristics of workable beds
(Dnipro University of Technology, 2021-06-30)
Purpose is to identify behaviour of the graded indices as well as their correspondence to grades, groups, and subgroups of
similar coal metamorphic degrees to determine hazardous characteristics of workable beds while ...
Technical and technological aspects of the coal mine closure based on the geomechanical component assessment
(Dnipro University of Technology, 2021-09-30)
Purpose. Development of a comprehensive methodology for assessing the state of mine workings based on the analysis of their
contour displacement patterns when solving the problem of minimizing the risks during the closure ...