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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 ...
Analytical platform to provide competitiveness of ore-mining machinery manufacturing
(National Mining University, 2020-09-30)
Purpose is to develop analytical platform providing competitiveness of ore-mining machinery manufacturing.
Methods. The analytical platform combines five modular blocks. It involves determination of an area of optimum ...
Scaled-up laboratory research into dry magnetic separation of the Zhezdinsky concentrating mill tailings in Kazakhstan
(National Mining University, 2020-09-30)
Purpose. Development of the rational technology for processing manganese-bearing tailings of the Zhezdinsky concentrating mill in the Republic of Kazakhstan aimed to obtaining manganese concentrate for smelting the ...
Quantifying the release of acidity and metals arising from drainage of acid sulfate soils in the Kelantan Plains, Malaysia
(National Mining University, 2020-09-30)
Purpose. This paper discusses the release of acidity and toxic metals from acid sulfate soils in the Kelantan plains due to the oxidation of pyrite.
Methods. A study was conducted in the field and laboratory using leaching ...
Application of the Radial Basis Function interpolation method in selected reservoirs of the Croatian part of the Pannonian Basin System
(National Mining University, 2020-09-30)
Purpose. The use of interpolation methods of mapping Radial Basis Function (RBF) on reservoir data from one field in Croatian part of Pannonian Basin System (CPBS).
Methods. The RBF method (with five single basic mathematical ...
Effect of heat shock on graphitization of Donbass anthracite
(National Mining University, 2020-09-30)
Purpose. The aim is to conduct experimental research into graphitization process of anthracites from the Donbass basin using shock heating, which is characteristic of furnaces with electrothermal fluidized bed.
Methods. ...
Safety barrier of electrical equipment for environments with a potential explosion in underground coal mines
(National Mining University, 2020-09-30)
Purpose. Electrical equipment for explosion-threatening environments in mines at risk of explosion communicates with the external environment through intrinsic safety barriers that limit the values of currents to values ...