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Mining under the early metal in the context of Kartamysh ore occurrence of Ukrainian Donbas
(Dnipro University of Technology, 2021-09-30)
Purpose is to identify process engineering of mining under the Late Bronze age (18th-13th centuries BCE) in the context of
copper deposits in the Eastern Ukraine. Among other things, it concerns analysis of manufacturing ...
Reliability and maintainability of scraper conveyor used in coal mining in the Jiu Valley
(Dnipro University of Technology, 2021-09-30)
Purpose. The aim of the study is to determine and analyse causes of faults in the operation of TR-7A scraper conveyor and
to estimate the required time for their remediation and select the methods of their prevention and ...
Analytical modeling of mine water rebound: Three case studies in closed hard-coal mines in Germany
(Dnipro University of Technology, 2021-09-30)
Purpose. In this paper we present and validate an analytical model of water inflow and rising level in a flooded mine and
examine the model robustness and sensitivity to variations of input data considering the examples ...
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 ...
Potential utilization of quartz sand and kaolin from tin mine tailings for whiteware
(Dnipro University of Technology, 2021-09-30)
Purpose. To do experimental research into the potential utilization of residual quartz-based sands and kaolin from the tin
mine tailings in Bangka Belitung Province, Indonesia.
Methods. Process of raw materials beneficiation ...
Analyzing changes in a leach solution oxygenation in the process of uranium ore borehole mining
(Dnipro University of Technology, 2021-09-30)
Purpose is to increase uranium content in a PR solution while developing a technique varying oxidation-reduction potential
of a leach solution with its oxygenation and identify changes in the oxygenation depending upon ...
Study and evaluation of the stability of underground mining method used in shallow-dip vein deposits hosted in poor quality rock
(Dnipro University of Technology, 2021-09-30)
Purpose. This article proposes to analyze and determine the mining design for shallow-dip deposits hosted in poor quality rock.
Methods. We used the UBC tool to find the optimal exploitation method, the Rock mass rating ...
Application of grout slurries with the Defecate addition for effective well cementing
(Dnipro University of Technology, 2021-03-31)
Purpose. Research and substantiating the expediency of cement mix formulations of grout slurries with different Defecate
additive content and their effective use when cementing the reservoirs prone to absorption of the ...
Modelling the influence of gaseous products of explosive detonation on the processes of crack treatment while rock blasting
(Dnipro University of Technology, 2021-09-30)
Purpose is mathematical modeling of fracturing as well as influence of gaseous products of explosive detonation on the
changes in rock strength.
Methods. Mathematical model, using foundations of Griffith theory, has been ...
Early assessment of seismic hazard in terms of Voronezh massif-Moscow Depression contact
(Dnipro University of Technology, 2021-09-30)
Purpose is to develop a system approach for early assessment of areas being of high seismic hazard and characterizing by
low stability of rock mass relative to external loads.
Methods. Well cores have been assessed down ...