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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, ...
Influence of composite slope geometrical parameters on soft rock slope stability
(National Mining University, 2020-03-30)
Purpose. To analyze the key parameters influencing the stability of a composite soft rock slope.
Methods. Description of the key geometrical parameters of a composite slope and their influence on soft rock slope stability. ...
Parameters determination of hydromechanization technologies for the dumps development as technogenic deposits
(National Mining University, 2020-03-30)
Purpose. Determination and substantiation of the hydromechanization technologies parameters and the hydraulic transport operation modes for mining the technogenic deposits formed as a result of the enrichment waste storing ...
Determining patterns of the geomechanical factors influence on the fastening system loading in the preparatory mine workings
(National Mining University, 2020-03-30)
Purpose. Substantiation of calculating the rational parameters of reaction and yielding property of the fastening system in the preparatory mine workings.
Methods. The stress-strain state analysis of the “massif – support” ...
Determining and determinable factors influencing the size of zone of land-use restriction
(National Mining University, 2020-03-30)
Purpose. Identification and systematization of determining and determinable factors that affect the size of land use restriction zones to ensure both the legal component of land rights and the well-being of society as a ...
Identifying sources of coal spontaneous heating in mine workings using aerogas control automatic systems
(National Mining University, 2020-03-30)
Purpose. Substantiation of the possibility for expanding the modern Aerogas Control (AGC) systems functions when using them to identify the processes of spontaneous heating, spontaneous ignition of coal and gas contamination ...
Mineral raw material disintegration mechanisms in ball mills and distribution of grinding energy between sequential stages
(National Mining University, 2020-06-30)
Purpose. To study the mechanism of mineral raw material particles destruction, the rational distribution of grinding energy between successive grinding stages in ball mills, and the development of engineering methods for ...
Stability assessment of the slopes and side-hills with account of the excess pressure in the pore liquid
(National Mining University, 2020-03-30)
Purpose. The strength criteria substantiation of water-saturated soils and mine rocks, which make it possible to obtain the analytical solutions necessary for determining the stability of water-flooded soil slopes and ...
Substantiation and process design to manufacture polymer-concrete transfer cases for mining machines
(National Mining University, 2020-06-30)
Purpose. To determine efficient polymer-concrete composition and to develop a process design to use the material to manufacture transfer cases for mining machines operating under very heavy conditions to improve their ...
Rock slope stability analysis using shear strength reduction technique (SSRT) – case histories
(National Mining University, 2020-06-30)
Purpose. This study aims to evaluate the slope stability of open pit comprising massive and jointed rock mass.
Methods. Mohr-Coulomb yield function (MC) with shear strength reduction technique (SSRT) are incorporated in ...