- 21. Effect of geological and technological parameters on the convergence in a stope
- (Content №6 2021)
- ... position relative to the coal seam along the length of the extraction column based on the results of numerical experiments and forecast probable zones of rigid settlement of the powered support units according ...
- Created on 29 December 2021
- 22. Formation mechanisms of maximal loads on cutters and cutting heads of coal mining machines
- (Content №5 2021)
- ... mode and by geometry of cutters on the impact loads in various scenarios of cuttersolid inclusion interaction. Methodology. Mathematical simulation, statistical analysis Findings. Fracture of coal seams ...
- Created on 29 October 2021
- 23. Tectonic factors of impurity elements accumulation at the Shubarkol coal deposit (Kazakhstan)
- (Content №5 2021)
- ... rocks enriched with impurity elements and the conditions needed for its leaching and transportation to the coal seam were analyzed. It was found that the coals in individual samples have average concentrations ...
- Created on 29 October 2021
- 24. New methods for preventing crumbling and collapse of the borehole walls
- (Content №4 2021)
- Authors: I.I.Chudyk, orcid.org/0000-0002-7402-6962, Ivano-Frankivsk National Technical University of Oil and Gas, Ivano-Frankivsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Ya.M.Femiak, orcid.org/0000-0003-4445-6731, ...
- Created on 23 August 2021
- 25. Substantiating the optimal type of mine working fastening based on mathematical modeling of the stress condition of underground structures
- (Content №3 2021)
- ... of extraction of thin coal seams in Ukraine. Technical, Technological and Economic Aspects of Thin-Seams Coal Mining International Mining Forum 2007, 129-132. https://doi.org/10.1201/noe0415436700.ch16. ...
- Created on 23 June 2021
- 26. Automation of the control process by the shearer drum in terms of coal seam hypsometry
- (Content №3 2021)
- ... Purpose. To develop a method for synthesizing a fuzzy automatic control system for a shearer drum in terms of coal seam hypsometry basing on the information criterion of the beginning of rock cutting-off ...
- Created on 23 June 2021
- 27. Predicting changes in the sulfur content during steam coal preparation and the level of sulfur dioxide emissions when its combustion
- (Content №2 2021)
- ... sulfur in coal seams in the mines of Ukraine. Coal of Ukraine, (1), 10-12. Retrieved from http://masters.donntu.org/2009/feht/semkovskiy/library/article9.htm. 8. Calkins, W.H. (1994). The chemical forms ...
- Created on 29 April 2021
- 28. Geological and mining-engineering peculiarities of implementation of hydromechanical drilling principles
- (Content №1 2021)
- ... (2014). Underground hydraulic mining of thin sub-layer as protective coal seam in coal mines. International Journal of Rock Mechanics and Mining Sciences, (67), 145-154. https://doi.org/10.1016/j.ijrmms.2014.01.014. ...
- Created on 05 March 2021
- 29. Modeling of the earth’s surface subsidence during its undermining by stoping in coal mines
- (Content №6 2020)
- ... process of mine closing down are substantiated. Practical value. The work develops hardware and software to provide efficient modeling of the earths surface subsidence while mining coal seams and to reduce ...
- Created on 22 December 2020
- 30. Peculiarities of mining the protecting pillar in the laminal massif of soft rocks
- (Contens №5 2020)
- ... c6 coal seam up to 18–20 m, when contacting the thick siltstone. It was found that the calculated compressive resistance is by 4.2 times higher than the value of acting sy and, according to this factor, ...
- Created on 30 October 2020
- 31. Anomaly of the natural constant electric field of large magnitude in technogenically disturbed layers of anthracite
- (Contens №5 2020)
- ... by wet conservation method, developing coal seams of A1-grade anthracite. Repeated (control) measurements made two months later confirmed the presence of this anomaly. The author’s interpretation of the ...
- Created on 30 October 2020
- 32. Assessment of the individual risk of fatal injury to coal mine workers during collapses
- (Contens №4 2020)
- ... geophysical methods for protection and maintenance of mine workings at development of a coal seam of the Barentsburg field. Findings. The work demonstrates the relationship between the key statistical ...
- Created on 30 August 2020
- 33. Efficiency of underground gas generator in consideration of the reverse mode
- (Contens №4 2020)
- ... reverse of blowing mixture supply have been obtained with the consideration of mining and geological conditions of the occurrence of coal seam c6 of Solenivska site of Donets coalfield. Parameters of the ...
- Created on 30 August 2020
- 34. Predictability of a small-amplitude disturbance of coal seams in Western Donbas
- (Contens №4 2020)
- ... of Pershotravenske Mine Office (MO). The abovementioned helped to develop the statistical distribution of the values. Zonality of the small-amplitude disturbances of coal seams has been determined for ...
- Created on 30 August 2020
- 35. Forecast of methane emission from the undermined coalrock massif
- (Contens №4 2020)
- ... within coal seams. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (1), 31-35. 14. Lukinov, V. V., & Chernorai, A. M. (2017). Forecasting the static methane potential of coal mines. ...
- Created on 30 August 2020
- 36. Physical and chemical transformations in gas coal samples influenced by the weak magnetic field
- (Contens №6 2019)
- ... rocks. Geotechnical mechanics, 33, 3-7. 3. Bulat, А. F., Skipochka, S. I., & Palamarchuk, Т. А. (2010). Methane generation in coal seams. Monograph. Dnipropetrovsk: Lira Ltd. 4. Verkhovna ...
- Created on 23 December 2019
- 37. The development of technological solutions on mining and processing brown coal to improve its quality
- (Contens №6 2019)
- ... & Lozynskyi, V. (2014). Some aspects of technological processes control of an in-situ gasifier during coal seam gasification. Progressive Technologies of Coal, Coalbed Methane, and Ores Mining, ...
- Created on 23 December 2019
- 38. Contens 05 2019
- (Contens №5 2019)
- ... V.F.Diomin, E.R.Khalikova, T.V.Diomina, V.V.Zhurov.Studying coal seam bedding tectonic breach impact on supporting parameters of mine workings with roof bolting 16 ...
- Created on 10 November 2019
- 39. Technological, lithological and economic aspects of data geometrization in coal mining
- (Mining)
- ... of the coal reserves at the site of a DTEK company mine. References. 1. Lozynskyi, V., Dychkovskyi, R., Saik, P., & Falshtynskyi, V. (2018). Coal Seam Gasification in Faulting Zones (Heat ...
- Created on 26 October 2019
- 40. Studying coal seam bedding tectonic breach impact on supporting parameters of mine workings with roof bolting
- (Mining)
- ... layers. Numerical simulation for determining the load on working supports, for assessing the state of unstable roof spans that are in the zones of influence of disturbed (weakened) zones of coal seams ...
- Created on 26 October 2019