Mining of Mineral Deposits: Recent submissions
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Certain aspects concerning the development of a functioning scheme of the auto-mated system to control energy flows of underground iron-ore enterprises
(National Mining University, 2020-09-30)Purpose is to develop a functioning scheme of ACS for energy flows in terms of invariability of electric power consumption as well as inversion of energy flows of mining enterprises in the current time of day to decrease ... -
Studying a correlation between characteristics of rock and their conditions
(National Mining University, 2020-09-30)Purpose is to determine dependences of velocities of elastic waves in isotropic rocks and anisotropic waves with orthotropic and transverse-isotropic symmetry upon pressure and depth to develop evaluation criteria and ... -
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. ... -
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 ... -
Choosing a camera for mine surveying of mining enterprise facilities using unmanned aerial vehicles
(National Mining University, 2020-12-30)Purpose. Choosing an effective method for performing the mine surveying of the objects at mining enterprise based on the implementation of practical and analytical work. Particular attention is focused on the use of modern ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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. ... -
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 ... -
Analysis of the stress deformed state of rocks around the haulage roadway of the Beskempir field (Kazakhstan)
(National Mining University, 2020-09-30)Purpose. To perform research and detailed analysis of the stress deformed state of rocks around the haulage roadway based on the numerical modeling with the purpose to select the rational type and design of the haulage ... -
Elaborating a scheme for mine methane capturing while developing coal gas seams
(National Mining University, 2020-09-30)Purpose is to substantiate and develop an efficient scheme of coalmine methane capture while preparing and developing gassy coal seams. Methods. Critical analysis of literature sources has been carried out; practice of ... -
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 monitoring as the best way of roadways support design validation in a long time period
(National Mining University, 2020-09-30)Purpose. The aim of this paper is to show the importance of geotechnical monitoring in assessing stability of an underground excavation. Every mining excavation is designed on the basis of limited geotechnical data and ... -
Features of legal support for the operation of small atypical Ukrainian coal mines under contractual conditions of a public-private partnership
(National Mining University, 2020-06-30)Purpose is to study and develop the economic and legal model of small atypical coal mines basing upon the analysis of the operations under contractual condition of public-private partnership as well as upon adequate ... -
Ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin
(National Mining University, 2020-06-30)Purpose. Determination of ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin based on the ecotopes floristic composition analysis of waste heaps reclaimed and ...