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Research into phosphate mineral composition and waste phosphorite ore
(Dnipro University of Technology, 2021-03-31)
Purpose. Theoretical and experimental studies of chemical and mineral composition and the structure peculiarities of phosphorites
from Ukrainian deposits to define the degree of their suitability for other industries.
Methods. ...
Numerical analysis of reducing tunneling effect on viaduct piles foundation by jet grouted wall
(Dnipro University of Technology, 2021-03-31)
Purpose. The target of this study is divided into two parts. The first part is concerned with capability of numerical model to
simulate the tunneling process. The second part is related to studying the interaction mechanism ...
Hazards identification and risk analysis in surface mines of Pakistan using fault tree analysis technique
(Dnipro University of Technology, 2021-03-31)
Purpose. Technology has advanced significantly but still mining industry faces a higher number of accidents. The purpose
of the research is to identify the common hazards and associated risk which are the root causes of ...
Openwork scheduling for steep-grade iron-ore deposits with the help of near-vertical layers
(Dnipro University of Technology, 2021-03-31)
Purpose is to develop efficient scheduling to excavate steep-grade iron-ore deposits using near-vertical layers relying upon
production practices by an open pit of Poltava Mining-and-Processing Integrated Works (MPIW).
Methods. ...
Management of land reclamation quality for agricultural use in opencast mining
(Dnipro University of Technology, 2021-03-31)
Purpose. Theoretical substantiation of principles and development of recommendations for the choice of technological variant to
form the quality of lands of technogenic origin, which would ensure rational spending of funds ...
Analyzing a denitration process in the context of underground well uranium leaching
(Dnipro University of Technology, 2021-03-31)
Purpose is to increase a sorbent denitration degree in the context of underground uranium leaching while optimizing reagent
concentration as well as a degree of the solution activation on the basis of laboratory ...
Mathematical model to optimize drilling-and-blasting operations in the process of open-pit hard rock mining
(Dnipro University of Technology, 2021-06-30)
Purpose is to determine a function of the reduced expenditures connected with drilling-and-blasting operations, loading and
hauling operations, and rock fragmentation depending upon the cost of machine-shift of the applied ...
Mathematical modelling of thermal stresses within the borehole walls in terms of plasma action
(Dnipro University of Technology, 2021-06-30)
Purpose is the development of a mathematical model to study and describe thermal processes within the borehole wall in
terms of plasma-based rock breaking.
Methods. The following has been applied: theoretical analysis ...
Evaluation of exploiting barite, the critical raw material in Slovakia, and benefits of its mining
(Dnipro University of Technology, 2021-06-30)
Purpose. There are several deposits of critical raw materials in the Slovak Republic, but currently only one is mined. This is
a barite deposit in Spiš, which shows an ever-lower volume of exploited raw material year-on-year. ...
Research on the coupling effect of the composite slope geometrical parameters
(Dnipro University of Technology, 2021-06-30)
Purpose. To analyze the coupling effect between composite slope geometrical parameters.
Methods. The slope angle and excavation depth are coupled with load which is waste dump in this case. Several models
were created ...