Browsing Кафедра гірничої інженерії та освіти by Title
Now showing items 48-67 of 264
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Kinetic features of the dissociation process of gas hydrate deposits
(2019)The research is aimed at revealing the theoretical features of the kinetics of the process of dissociation of natural gas hydrates, the accounting of which is useful in designing technologies for their development. The ... -
Laboratory research of zonal structuring of massif around mine workings
(2016)Objective is research of zonal structuring of massif around mine workings. The main methods of research conducting are following: equivalent, optic-polarization and electri-cally conductive materials. Boundaries of zones ... -
Mathematic simulation for the rock mass destruction by blasting
(2021)Modeling of rock mass destruction by explosion allowed to obtain mathematical models of the formation of crushing zones, intensive grinding and crack formation, which are formed around the charging cavity in the rock mass ... -
Mathematical Model of Rockmass Behaviour in Underground Coal Gasification
(Національний Гірничий Університет, 2010-04-22)Mechanism of rockmass behaviour in underground coal gasification is in a great extent alike to the processes which accompany the wallface coal extracting in mining. Therefore it is necessary to conduct research of the ... -
Mine Experimental Research of the Power Options of Mechanized Fastening Sections Based on Lithological Structure Coefficient
(Instytut Gospodarki Surowcami miniralnymi i energiją Polskiej akademii nauk, 2016)The results of simulation systems of the rock-mass using the new mathematical approaches and modern information software are introduced. The contacts of rock mass strata are presented as the curves in the simulation ... -
Mine Field Preparation and Coal Mining in Western Donbas: Energy Security of Ukraine—A Case Study
(MDPI (Basel, Switzerland), Energies 2022, 15, 4653., 2022-06)Ukrainian electricity production sector is in a critical situation. It is necessary to increase the coal production to ensure the continuity of electricity production. In this paper, an analysis of coal mining in western ... -
Modern Conceptualization of the Most Important Chemical Reactions Taking Place during Underground Coal Gasification
(National Mining University, 2015) -
New approach to the design of mining operations
(2019)Analysis of the production development scenarios is proposed for strategic activity planning; criteria to make decisions under the uncertainty conditions as well as decision-making trees for day-to-day management are ... -
New technologies and technical means of fixing mine workings using geo-energy
(2020)The main scientific and practical results of the development and implementation of new technologies and equipment for mining using geo-energy, allowing the use of the maximum amount of energy generated in the safety capsule ... -
NEW THEORY OF ROCK MASSIF FRAGMENTATION BY USING EXPLOSION ENERGY
(2020)The hypotheses of the explosive action and the theory of calculating the values of the zones' radiuses of contortion and cracks formation around the charging cavity have been analyzed for developing the theory of the rock ... -
On the formation of a mine-based energy resource complex
(2020)The paper represents the analysis, which has helped to determine tendencies of the formation of energy resource complex based on the available mining facilities. The approach helps prolong operating life of the mine with ... -
On the formation of a mine-based energy resource complex
(2020)The paper represents the analysis, which has helped to determine tendencies of the formation of energy resource complex based on the available mining facilities. The approach helps prolong operating life of the mine with ... -
Organization of production activities of a regional coal-mining complex
(2021)Objective is to propose a new approach to investment allocation in the group of coal-mining enterprises. Methods. To solve the specified objective, a complex approach has been applied including assessment of enterprise ... -
Peculiarities of geological and thermobaric conditions for the gas hydrate deposits occurence in the Black Sea and the prospects for their development
(2019)The actuality has been revealed of the necessity to attract the gas hydrate deposits of the Black Sea into industrial development as an alternative to traditional gas fields. This should be preceded by the identification ... -
Peculiarities of the underground mining of high-grade iron ores in anomalous geological conditions
(2019)This paper is dedicated to research into the geological peculiarities, shape of the ore body and the occurrence of the host rocks in the hanging wall of the Pivdenno-Bilozerske deposit , as well as their influence on the ... -
Physicochemical mechanism of structure formation and strengthening in the backfill massif when filling underground cavities
(2020)The strength and microstructural properties of the backfill massif have been studied and assessed when filling underground cavities that pose a threat of mine rocks collapsing in the process of mining mineral deposits. It ... -
Predicting the producing well stability in the place of its curving at the underground coal seams gasification
(2019)The relevant issues have been studied of ensuring the stability of producing wells in the place of their curving when uncovering the mining extracted area for the underground gas generator operation. It is emphasized that ... -
Preliminary assessment of the content of valuable components in coal mine waste dumps
(Dnipro University of Technology, 2020) -
PRINCIPLES OF ROCK PRESSURE ENERGY USAGE DURING UNDERGROUND MINING OF DEPOSITS
(Національний гірничий університет, 2017-04)Purpose. To substantiate principles of rock pressure usage during underground mining of deposits. Methodology. Zonal structuring indices of massif around mine workings were established with help of industrial, laboratory ...