Mining of Mineral Deposits: Recent submissions
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Mitigation of the environmental risks resulting from diesel vehicle operation at the mining industry enterprises
(National Mining University, 2020-06-30)Purpose is to predict potentially hazardous effects of diesel vehicles of mining enterprises on the environment and to minimize the environmental risks caused by these impacts by modifying motor fuels with special ... -
Substantiation and process design to manufacture polymer-concrete transfer cases for mining machines
(National Mining University, 2020-06-30)Purpose. To determine efficient polymer-concrete composition and to develop a process design to use the material to manufacture transfer cases for mining machines operating under very heavy conditions to improve their ... -
Research into the process of storage and recycling technogenic phosphogypsum placers
(National Mining University, 2020-06-30)Purpose. Study of technogenic placers storage conditions using the example of phosphogypsum dumps at PJSC “Rivneazot” by determining the rocks sorption properties, distribution and concentration of elements, as well as ... -
Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls
(National Mining University, 2020-06-30)Purpose. To substantiate changes in stress-strain state of rock mass in the process of long-pillar mining with the help of double-unit longwalls while evaluating stress of a mine field in terms of Lvivvuhillia SE mine. Methods. ... -
Prediction of tunnel boring machine penetration rate using ant colony optimization, bee colony optimization and the particle swarm optimization, case study: Sabzkooh water conveyance tunnel
(National Mining University, 2020-06-30)Purpose. The purpose of this study is to use a novel approach to estimate the tunnel boring machine (TBM) penetration rate in diverse ground conditions. Methods. The methods used in this study include ant colony optimization ... -
Modeling of the lifting of a heat transfer agent in a geothermal well of a gas condensate deposit
(National Mining University, 2020-06-30)Purpose is to develop mathematical model of nonisothermal inflow and lifting of the recovered gaseous mixture (i.e. geothermal fluid) of a well taking into consideration dynamic coefficient of heat transfer and thermal ... -
Substantiation of the intensified dump reclamation in the process of field development
(National Mining University, 2020-06-30)Purpose is to substantiate intensification of dozer dump reclamation in the process of open pit-mining. Methods. Analysis of methods intended to intensify reclamation activities in the context of open-pit mineral extraction ... -
Geostatistical analysis of the nickel source in Gllavica mine, Kosovo
(National Mining University, 2020-06-30)Purpose. Geological research character and real quality assessment of Nickel source based on the geostatistical survey analysis and comparing the block quality grade results by assessing present mining condition of nickel ... -
Stability of the overworked slightly metamorphosed massif around mine working
(National Mining University, 2020-06-30)Purpose. The study of mechanisms of the overworked slightly metamorphosed massif stability around mine working using the example of laminal rocks in the Western Donbas (Ukraine). Methods. The analysis of the overworking ... -
Improvement of safety management system at the mining enterprises of Ukraine
(National Mining University, 2020-06-30)Purpose. Search for ways and their analysis to improve the safety of mining operations at coal mines in case of inadequate perception of risks or deliberate violation of occupational safety. Methods. An integrated approach ... -
Mineral raw material disintegration mechanisms in ball mills and distribution of grinding energy between sequential stages
(National Mining University, 2020-06-30)Purpose. To study the mechanism of mineral raw material particles destruction, the rational distribution of grinding energy between successive grinding stages in ball mills, and the development of engineering methods for ... -
Rock slope stability analysis using shear strength reduction technique (SSRT) – case histories
(National Mining University, 2020-06-30)Purpose. This study aims to evaluate the slope stability of open pit comprising massive and jointed rock mass. Methods. Mohr-Coulomb yield function (MC) with shear strength reduction technique (SSRT) are incorporated in ... -
Cradle-to-gate life cycle assessment of the production of separated mix of rare earth oxides based on Australian production route
(National Mining University, 2020-06-30)Purpose. Life cycle assessment (LCA) to investigate environmental impact resulting from the production of separated mixture of rare earth oxides (REO) mined in Australia. Methods. Analytical study of the literature reviews ... -
Identifying sources of coal spontaneous heating in mine workings using aerogas control automatic systems
(National Mining University, 2020-03-30)Purpose. Substantiation of the possibility for expanding the modern Aerogas Control (AGC) systems functions when using them to identify the processes of spontaneous heating, spontaneous ignition of coal and gas contamination ... -
Influence of composite slope geometrical parameters on soft rock slope stability
(National Mining University, 2020-03-30)Purpose. To analyze the key parameters influencing the stability of a composite soft rock slope. Methods. Description of the key geometrical parameters of a composite slope and their influence on soft rock slope stability. ... -
Determining and determinable factors influencing the size of zone of land-use restriction
(National Mining University, 2020-03-30)Purpose. Identification and systematization of determining and determinable factors that affect the size of land use restriction zones to ensure both the legal component of land rights and the well-being of society as a ... -
Adaptive control of drilling by identifying parameters of object model under nonstationarity conditions
(National Mining University, 2020-03-30)Purpose. The research is intended to investigate and synthesize adaptive control over drilling by identifying parameters of an object model under non-stationarity conditions. Methods. Under conditions of rapidly changing ... -
Stability assessment of the slopes and side-hills with account of the excess pressure in the pore liquid
(National Mining University, 2020-03-30)Purpose. The strength criteria substantiation of water-saturated soils and mine rocks, which make it possible to obtain the analytical solutions necessary for determining the stability of water-flooded soil slopes and ... -
The octahedral concept and cubic triaxiality in assessment of secondary stress state
(National Mining University, 2020-03-30)Purpose. The opportunities offered by rock mechanics as a science are not fully and efficiently applied in the design and assessment of underground constructions performed in salt massifs, especially in the efficient design ... -
Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ...