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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 ...
Development of composition of cementing slurry for fastening of low-cemented rocks
(Dnipro University of Technology, 2021-06-30)
Purpose. Improving the producing capacity and ensuring the stable operation of gas wells that develop unstable, lowcemented
reservoirs by preventing the sand entry from the reservoir by means of creating the cement stone ...
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 ...
Quality evaluation and loss estimation at gravel quarries around the Qena Governorate, Egypt: A case study
(Dnipro University of Technology, 2021-06-30)
Purpose. In recent years in Egypt there has been a significant increase in the demand for building materials, particularly
gravel which is employed in buildings, the base layer for road construction, and other industries. ...
Northeastern part of the Bilanivske ferruginousquartzite quarry: Risks of mining allotment
(Dnipro University of Technology, 2021-09-30)
Purpose. Substantiation of the managerial decisions to minimize the risks of mining the Bilanivske ferruginous quartzite
quarry on its northeastern margin.
Methods. The legislative, methodological, cartographic and ...
The ways to enhance durability and bearing capacity of the open gear drum mills
(Dnipro University of Technology, 2021-09-30)
Purpose is substantiating ways to enhance durability and bearing capacity of open gears of ore-pulverizing drum mills as
well as efficiency of engineering solutions concerning the increase in their unit power at the expense ...
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 ...
Risk criteria classification and the evaluation of blasting operations in open pit mines by using the FDANP method
(Dnipro University of Technology, 2021-06-30)
Purpose. Mineral projects are heavily influenced by risk factors. By providing evidence-based information and analysis to
make informed decisions about how to choose between options, a risk assessment can be made.
Methods. ...
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 ...