Now showing items 27-46 of 133

    • New Classification of Ore Deposits Mining Methods 

      Kononenko, Maksym; Khomenko, Oleh; Astafiev, Denys (2017)
      The analysis of advantages and disadvantages of the existing classifications of mining method by the way of stoping space supporting in the course of extraction of ores is executed. The new classification of mining methods ...
    • Phenomenon of underground working encapsulation: identification, modeling and appliance 

      Khomenko, O.; Kononenko, M. (2017)
      Purpose. To substantiate principles of rock pressure usage during underground mining of deposits. The methodology. Establishment of zonal structuring indices of massif around mine workings with help of industrial, laboratory ...
    • PRINCIPLES OF ROCK PRESSURE ENERGY USAGE DURING UNDERGROUND MINING OF DEPOSITS 

      Khomenko, O. Ye; Sudakov, А. К; Malanchuk, Z. R; Malanchuk, Ye. Z (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 ...
    • Problematics and perspectives of preparing specialists for the enterprises of nuclear-and-fuel complex 

      Khomenko, O. Ye.; Vorobev, A. E.; Lyashenko, V. I. (Vesnik AUNG, 2018)
      Purpose. To open problematics and to propose ways of development of production, scientific and educational spheres that providing nuclear-and- fuel power industry of Ukraine. Methods. The current state of uranium, zirconium ...
    • Problems and perspectives of preparing specialists for the enterprises of nuclear fuel complex of Ukraine 

      Khomenko, Oleg Evgen'evich; Khomenko, O. E.; Khomenko, O.; Хоменко, Олег Евгеньевич; Хоменко, О. Е.; Vorobev, Aleksander Egorovich; Vorobev, A. E.; Vorobev, A.; Воробьев, Александр Егорович; Воробьев, А. Е.; Lyashenko, Vasilii Ivanovich; Lyashenko, V. I.; Lyashenko, V.; Ляшенко, Василий Иванович; Ляшенко, В. И.; Ляшенко, В. (Publishing company «World of science» \ Издательство «Мир науки», 2018)
      Abstract. Purpose: To open problematics and to propose ways of development of production, scientific and educational spheres that providing nuclear-and-fuel power industry of Ukraine. Methods: The current state of uranium, ...
    • Process pattern of heterogeneous gas hydrate deposits dissociation 

      Bоndаrenkо, V.I; Sаi, K.S (National Mining University, 2018-04)
      Purpose. Justification of the effective dissociation process parameters of heterogeneous gas hydrate deposits and elaboration of their classification according to the thermal energy consumption. Methodology. The ...
    • Rational use and protection of subsurface resources in the underground mining of ore deposits in conditions of technogenesis 

      Khomenko, O. E.; Lyashenko, V. I. (2019)
      The basic scientific and practical results of rational use and protection of subsoil under underground mining of ore deposits in the conditions of technogenesis are based on reliable geological and surveying and geomechanical ...
    • Rationalization of deep boreholes drilling in the conditions of PJSC “Zaporizskyi iron-ore plant” 

      Khomenko, O.; Kononenko, M.; Dronov, A. (2018)
      Purpose. To develop effective approach to determination of parameters of deep boreholes location which would consider stress of the ore massif in the course of layers breaking. Methods. It has been established that energy ...
    • Research an adaptation process of the system «Rock and coal massif–underground gasgenerator» on stand setting 

      Falshtynskyi, V.S; Dychkovskyi, R.O; Lozynskyi, V.G; Saik, P (Instytut Gospodarki Surowcami miniralnymi i energiją Polskiej akademii nauk, 2012-02)
      gasification, coal seam, rock and coal massif, gasgenerator, stand setting.
    • Resource-saving technologies for ore extraction at great depths 

      Khomenko, O. E.; Liashenko, V. I. (Izvestiya vysshikh uchebnykh zavedenii. Gornyi zhurnal, 2018)
      Introduction. Underground mining of ore deposits is characterized by deterioration of mining and geological and mining conditions, increased requirements for environmental protection and subsurface resourses protection, ...
    • Revisiting the research of coal gasification proces 

      Saik, P; Lozynskyi, V; Falshtynskyi, V; Demydov, M (Донецький національний технічний університет, 2017)
      The paper presents the last studies of the underground coal gasification process intensification by determining the concentration of combustible producer gases (CO, H2, CH4), depending on the temperature of reducing zone ...
    • Revisiting the underground gasification of coal reserves from contiguous seams 

      Saik, P.B; Dychkovskyi, R.O; Lozynskyi, V.H; Malanchuk, Z.R; Malanchuk, Ye.Z (Національний гірничий університет, 2016)
      Purpose. Substantiating of contiguous coal seams coefficient during application of borehole underground coal gasification technology based on dependences of interstratial rocks subsidence on gasification duration. Methodology. ...
    • Safe development of the decorative jaspilites in the energetically disturbed massifs 

      Khomenko, O. E.; Kononenko, M. N. (Occupational Safety in Industry, 2018)
      Investigations were conducted in the field of the development of the decorative jaspilites in the energetically disturbed zones of massifs based on the results of the analysis of the rock pressure energy manifestation ...
    • Safe mining of granites at the manganese ore deposits of Ukraine 

      Khomenko, O. E.; Kononenko, M. N.; Lyashenko, V. I. (Occupational Safety in Industry, 2019)
      The main scientific and practical results of safety improvement of the granite development at the manganese ore deposits of Ukraine in energetically fractured zones of rock massifs are described based on the example of the ...
    • Safety improving of mine preparation works at the ore mines 

      Khomenko, O. E.; Kononenko, M. N.; Lyashenko, V. I. (Occupational Safety in Industry, 2018)
      Main scientific and practical results of safety improving of mine preparation works at the ore mines are given taking into account the geoenergy of the underground mining of ore deposits by revealing the physical essence ...
    • Some economic indicators of coal mining from thin seams 

      Dychkovskyi, R; Avdiushchenko, A; Lozynskyi, V (Trans Tech Publications, 2017)
      The method of investment attraction evaluation for the implementation of mining equipment was substantiated. Discounted financial results were taking into account. Pros and cons of chosen method were analyzed. The practical ...
    • Stress-strain state of the mine massif around the chambers of the second stage of mining 

      Kononenko, M. N.; Petlyovany, M. V.; Zubko, S. A. (Geotechnical mechanics, 2014)
      A stress-strain state of the rock mass around the chambers of the second stage of mining was analyzed with the help of thermodynamic method. This study is the question of the day as the ore reserves in the chambers of the ...
    • Study of Methods and Development of Technological Scheme for Heat Removal from Rock Waste Dump 

      Saik, Pavlo (Trans Tech Publications, 2017-11)
      The aim of this paper is to study the methods and develop technological scheme for thermal energy removal from coal mine rock waste dumps. The prospects of renewable energy sources development in Ukraine are analyzed. A ...
    • STUDY OF THE FORMATION MECHANISM OF GAS HYDRATES OF METHANE IN THE PRESENCE OF SURFACE-ACTIVE SUBSTANCES 

      Bondarenko, V; Svietkina, O; Sai, K (2017)
      Досліджено вплив поверхнево-активних речовин на механізм утворення газових гідратів метану. Визначено значення критичної концентрації міцелоутворення (ККМ) розчинів дібутілфенола, обробленого окисом етилену (ДБ), а також ...
    • Systematization of the hard rock non-metallic mineral deposits for improvement of their mining technologies 

      Cherniaiev, O.V (Національний гірничий університет, 2017-10)
      Purpose. Systematization and allocation of basic non-metallic deposits of magmatic and metamorphic genesis for carrying out works on improvement and introduction of eco- and resource-saving technologies taking into ...