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Determining local wetness conditions within the mined lands using GIS
(National Mining University, 2020-12-30)
Purpose. To provide methodologically determining local wetness conditions within Kryvbas mined lands taking into consideration the surface structure and using geoinformation technologies. Surface structure is the determinative ...
Analysis of current and voltage harmonics introduced by the drive systems of a bucket wheel excavator
(National Mining University, 2020-12-30)
Purpose. The quality of electricity is a problem of major interest, making it necessary to analyze the factors and causes that result in the worsening of the electric energy quality. An important aspect of electricity ...
Reservoir characteristics of the Miocene age formations at the Allas Dome, Hamrin Anticline, Northern Iraq
(National Mining University, 2020-12-30)
Purpose. This study evaluated the reservoir characteristics and determined the formation lithology of Dhiban, Euphrates, and Serikagni in the Hamrin wells (Hr-2 and Hr-9).
Methods. The well logs have used the gamma ray ...
Studying the heavy metals concentration in discharged water from the Trepça Mine and flotation, Kosovo
(National Mining University, 2020-12-30)
Purpose. The purpose of this study is to assess the concentration of heavy metals in industrial discharge water from the Trepça Mine in Stantërg and flotation, and their impact in polluting the urban environment.
Methods. ...
Research into balance of rocks and underground cavities formation in the coal mine flowsheet when mining thin seams
(National Mining University, 2020-12-30)
Purpose. Study the movement of waste rock flows in the coal mine technological system and determine the balance of rocks and underground cavities formation from the perspective of the current mining operations development ...
Surface mines composite slope deformation mechanisms and stress distribution
(National Mining University, 2020-12-30)
Methods. Description and interpretations of the mechanical and stress computational model for a waste dump loading in the formation of a composite slope on the basis of the theory of plasticity and elasticity. Numerical ...
On the methodology for considering scale effect of rock strength
(National Mining University, 2020-12-30)
Purpose is to improve a methodology for considering the influence of scale effect by transferring to the evaluation of rock strength immediately within the rock mass.
Methods. The research involves methods of critical ...
Dynamic analysis of well equipment to produce oil
(National Mining University, 2020-12-30)
Purpose is to study dynamics of a technological cycle of well oil production equipment to evaluate the forces acting on its structural components while operating. It is required to improve their reliability and durability ...
Microsoft paint imaging system – a photogrammetric approach to fragmentation measurement in rock and aggregate production
(National Mining University, 2020-09-30)
Purpose. To evaluate the fragment sizes of blasted material using Microsoft paint imaging system. It focuses on digital imaging fragmentation analysis of rocks and aggregates using the Microsoft paint, putting into ...
Underground mining method assessment using decision-making techniques in a fuzzy environment: case study, Trepça mine, Kosovo
(National Mining University, 2020-09-30)
Purpose. The purpose of this paper is to reevaluate the currently used underground mining method with the intention to verify if cut-and-fill stoping method is appropriate for deep future excavation mining levels > 800 m ...