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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 ...
Improvement of safety management system at the mining enterprises of Ukraine
(National Mining University, 2020-06-30)
Purpose. Search for ways and their analysis to improve the safety of mining operations at coal mines in case of inadequate perception of risks or deliberate violation of occupational safety.
Methods. An integrated approach ...
Geostatistical analysis of the nickel source in Gllavica mine, Kosovo
(National Mining University, 2020-06-30)
Purpose. Geological research character and real quality assessment of Nickel source based on the geostatistical survey analysis and comparing the block quality grade results by assessing present mining condition of nickel ...
Origin of barite deposits in dolomite-limestone units, Gazipasa, Eastern of Antalya: geology, geochemistry, statistics, sulfur isotope composition
(National Mining University, 2020-03-30)
Purpose. Gazipasa region is one of the most important barite mineralization of Turkey. To investigate the main origin
properties of Gazipasa barite deposits, conditions of their genesis and occurrence.
Methods. To ...
Features of legal support for the operation of small atypical Ukrainian coal mines under contractual conditions of a public-private partnership
(National Mining University, 2020-06-30)
Purpose is to study and develop the economic and legal model of small atypical coal mines basing upon the analysis of the operations under contractual condition of public-private partnership as well as upon adequate ...
Modeling of the lifting of a heat transfer agent in a geothermal well of a gas condensate deposit
(National Mining University, 2020-06-30)
Purpose is to develop mathematical model of nonisothermal inflow and lifting of the recovered gaseous mixture (i.e. geothermal fluid) of a well taking into consideration dynamic coefficient of heat transfer and thermal ...
Stability of the overworked slightly metamorphosed massif around mine working
(National Mining University, 2020-06-30)
Purpose. The study of mechanisms of the overworked slightly metamorphosed massif stability around mine working using the example of laminal rocks in the Western Donbas (Ukraine).
Methods. The analysis of the overworking ...