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Experimental research on the haulage drifts stability in steeply dipping seams
(Dnipro University of Technology, 2021-12-30)
Purpose. Substantiation of the conditions for haulage drifts stability using different protection methods in steeply dipping
seams based on a set of experimental studies.
Methods. To achieve the purpose set, mine ...
Analysis of blasted rocks fragmentation using digital image processing (Case study: Limestone quarry of Obajana Cement Company)
(Dnipro University of Technology, 2021-12-30)
Purpose. Blasting is an important aspect of mining activities in which fragmentation is the key component that determines
its efficiency. Fragmentation is the first result of blasting, and is directly related to the costs ...
Prediction of the number of consumed disc cutters of tunnel boring machine using intelligent methods
(Dnipro University of Technology, 2021-12-30)
Purpose. Disc cutters are the main cutting tools for the Tunnel Boring Machines (TBMs). Prediction of the number of consumed
disc cutters of TBMs is one of the most significant factors in the tunneling projects. Choosing ...
Geomechanics substantiation of pillars development parameters in case of combined mining the contiguous steep ore bodies
(Dnipro University of Technology, 2021-03-31)
Purpose. Determining the actual dimensions of the protecting and crown pillars of ore bodies by seismic survey and
assessing the possibility of rock mass collapse and fracturing at the lower levels of the Zhairemskoye ...
Mineralogical characterization and evaluation of chromite ore in Grevena and Kozani Vourinos massif, Western Macedonia, Greece
(Dnipro University of Technology, 2021-03-31)
Purpose. Chromite samples from Aetoraches mine area in the southern part of the Vourinos complex in Western Macedonia,
Greece were examined from mineralogical-geochemical perspective.
Methods. Χ-ray Diffraction (XRD) ...
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 ...
Research into rock mass geomechanical situation in the zone of stope operations influence at the 10th Anniversary of Kazakhstan’s Independence mine
(Dnipro University of Technology, 2021-03-31)
Purpose. Predicting the stress-strain state (SSS) of the rock mass in the zone of stope operations influence using the selfcaving
mining system and the calculation of the load-bearing capacity of mine workings support at ...
Дослідження динаміки розвитку гірничих робіт при розробці пологих родовищ
(Видавництво НТУ "ДП", 2021)
Результати дослідження полягають у визначенні динаміки розвитку гірничих робіт при
розробці пологих родовищ корисних копалин. Для вирішення цієї технологічної задачі рекомендується весь період розробки родовища розділити ...
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. ...
Analyzing mechanics of rock breaking under conditions of hydromechanical drilling
(Dnipro University of Technology, 2021-09-30)
Purpose is to substantiate design factors and technological parameters of next-generation facilities of hydromechanical
drilling basing upon the determined features of interaction between breaking pellets and rock ...