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Scientific and technical fundamentals for explosive destruction of the mass composed of rocks with different hardness
(National Mining University, 2017-06-30)
Purpose. To develop the technology for explosive destruction of solid inclusions in the mass of rocks with different hardness on the basis of established correlations between changes in the radius of hard streaks fragmenting, ...
Study of massif stress-strain state while mining the series of flat strata
(National Mining University, 2017-03-30)
Purpose. To determine the effect of rock overworking and underworking on massif stress-strain state while extracting the series of flat coal seams.
Methods. Mining, geological and technical conditions; current approaches ...
Results of research into amber mining by hydromechanical method
(National Mining University, 2017-03-30)
Purpose. To specify parameters of the relationship between sandy rock and vibrohydraulic intensifier as well as to justify the use of hydromechanical method to intensify amber extraction.
Methods. The basic laws of surface ...
Modeling the drainage facilities operation at the prospective construction site on the Dnipro floodland
(National Mining University, 2017-06-30)
Purpose. To carry out predictive assessment of the hydrodynamic regime at the prospective construction site on the Dnipro floodland in order to choose an expedient drainage system and substantiate the drainage parameters ...
Computational model for evaluating the state of geomechanical systems during computing experiments
(National Mining University, 2017-03-30)
Purpose. To create a model allowing integration of the diverse features identified for the rock massif behavior by differentiation of various theories and real phenomena into a single information-analytical flow.
Methods. ...
Research of rock pressure manifestations in rocks of parting during descending and simultaneous mining of C9 and C10Top coal seams
(National Mining University, 2017-03-30)
Purpose. To estimate the probability of interstratal rocks stability loss during simultaneous mining of two seams in series in the descending order.
Methods. Methods of a computing experiment and mine observations were ...
Technological safety of sustainable development of coal enterprises
(National Mining University, 2017-06-30)
Purpose. Substantiation of conceptual base of searching the ways of threats prevention to sustainable development of coal enterprises in the presence of multidirectional vectors of economic pressure of the external ...
Mathematical modeling of unsteady water filtration into anchored mine opening
(National Mining University, 2017-06-30)
Purpose. To develop a mathematical model of the interrelated processes of coal-rock mass deformation and water filtration in the disturbed area to study the change in the value of water inflow into the mine working de-pending ...
Formation peculiarities of physical and chemical composition of highly mineralized edge water
(National Mining University, 2017-03-30)
Purpose. To study the formation peculiarities of the physical and chemical composition of highly mineralized edge waters in oil and gas fields.
Methods. The correlation relationships between the macroions of the edge water ...
The rate of deformation development in the rock massif on the basis of surveying monitoring on the earth surface
(National Mining University, 2017-03-30)
Purpose. Basing on the instrumental surveying measurement, to determine the rate of tensile strain displacements in the rock mass, and to use the obtained data for controlling rock pressure and ensuring job safety.
Methods. ...