Mining of Mineral Deposits: Recent submissions
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Operational lifetime increase of the pumping equipment when pumping-out contaminated groundwater
(Dnipro University of Technology, 2021-03-31)Purpose. Solving the problem of increasing the pumping equipment operational lifetime when pumping-out contaminated groundwater in the iron-ore industry by extracting the hard, abrasive part, using magnetic filters based ... -
Nickel discretization and quality review in Gllavica mine, Kosovo
(Dnipro University of Technology, 2021-03-31)Purpose. Professional approach to mineral deposit evaluation and estimation of Ni is done by modeling the ore body presenting the interest zone to be exploited. Methods. With the intensive development of professional ... -
A study on the physical and mechanical properties of a granite outcrop for a quarry at Onikoko community, Oyo State, South-Western Nigeria
(Dnipro University of Technology, 2021-03-31)Purpose. To investigate the physical and mechanical properties of a granite outcrop for a quarry at Onikoko community in Oyo State, South-Western Nigeria. Methods. Samples of granite rock were collected from the outcrop ... -
Review of machine learning and deep learning application in mine microseismic event classification
(Dnipro University of Technology, 2021-03-31)Purpose. To put forward the concept of machine learning and deep learning approach in Mining Engineering in order to get high accuracy in separating mine microseismic (MS) event from non-useful events such as noise events ... -
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) ... -
Development and testing of an algorithm for calculating the load on support of mine workings
(Dnipro University of Technology, 2021-03-31)Purpose. The purpose is to develop the calculation methods for minimizing the load on the fastening system of the preparatory mine working in difficult mining and geological conditions of its maintenance. Methods. By ... -
Risk assessment of radionuclide contamination spreading while flooding coal mined-out rocks
(National Mining University, 2020-12-30)Purpose. To investigate pathways and concentrations of the most dangerous radionuclides entering the surface and groundwater in terms of hydrodynamic situation re-establishment in the zone of radiation-hazardous mine field ... -
Probabilistic calculation in terms of deformations of the formations consisting of compacted overburden of Quarternary rocks
(National Mining University, 2020-12-30)Purpose is to study the effect of a stress-strain state (SSS) of rock mass on statistical dispersion of deformability characteristics of the compacted overburden; to develop modeling methods of dispersion of random values ... -
Review of unconventional hydrocarbon resources: production technologies and opportunities for development
(National Mining University, 2020-12-30)Purpose. Study the state of modern technologies for the extraction of unconventional hydrocarbon resources and determine the prospects for their development. Methods. The method of qualitative and quantitative analysis ... -
Development of the landslide risk classification for natural and man-made slopes based on soil watering and deformation extent
(National Mining University, 2020-12-30)Purpose. To summarize and formalize the estimates of landslide risk levels based on the proposed classification of relevant environmental or man-made risks in the regions of Ukraine and local territories, including a ... -
Research into leaching of uranium from core samples in tubes using surfactants
(National Mining University, 2020-12-30)Purpose. Improving the efficiency of borehole uranium recovery in difficult mining-and-geological conditions through the development of a new technology based on the intensification of geotechnological processes of in-situ ... -
Substantiating velocity of amber buoying to the surface of sludge-like rock mass
(National Mining University, 2020-12-30)Purpose is to substantiate the parameters and factors in terms of which amber can be mined efficiently from sand deposits using hydromechanical method. Methods. Laboratory studies and full-scale experiments of amber-bearing ... -
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 ... -
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 ... -
Substantiation of the methodology for modeling and calculating the optimal operating modes of a tandem pumping installation when mining uranium
(National Mining University, 2020-12-30)Purpose. The purpose of the research is to develop a mathematical model of the jet pump (JP) working process and a calculation methodology for modeling, as well as to determine the optimal operating modes of a combined ... -
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 ... -
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 ... -
Design of bottom hole assemblies with two rock cutting tools for drilling wells of large diameter
(National Mining University, 2020-09-30)Purpose. A methodology development for calculating the bottom hole assemblies (BHA) with two rock cutting tools for drilling the wells of large-diameter with an ability to manage the trajectory. Methods. A mathematical ... -
Experimental characteristics for deformation properties of backfill mass
(National Mining University, 2020-09-30)Purpose. Determining the deformation properties of backfill mass used to preserve the continuity of the coal-rock stratum enclosing mine workings. Methods. To achieve the purpose set, laboratory studies have been performed ... -
Improving the technology of uranium mining under the conditions of high groundwater pressure
(National Mining University, 2020-09-30)Purpose. Substantiation of technological solutions for uranium mining by the method of In-Situ Leach Mining (ISL) under the conditions of the high groundwater pressure. Methods. Analysis of mining-and-geological conditions ...