- 1. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... of cracks in coal substance is shown. Originality. For the first time, a physical model for calculating the thickness of the surface nanolayer and its surface energy for coals of different grades of ...
- Created on 01 May 2024
- 2. Influence of the rock mass structure and the blasting technique on blast results in the Heliopolis quarry
- (Content №1 2024)
- ... of initiation, and the cracks caused by the waves of shock (back effects). Originality. The present work is concerned with the problem of the quality of rock blasting which will ultimately affect the ...
- Created on 29 February 2024
- 3. Assessment of coal mining impact on the geoecological transformation of the Emerald network ecosystem
- (Content №6 2023)
- ... carried out on the land surface along the mining of the coal bed with the recording of destructive changes in the landscape (falls, top-soil breaks, sufosis manifestations, cracks, lowering of the relief) ...
- Created on 23 December 2023
- 4. Research on an eco-safe filtration plant for wastewater treatment made of natural raw materials
- (Content №5 2023)
- ... and such treatment also reduces concentration of nitrates by 4 times from the initial level. Pollutants from wastewater are mechanically fixed in pockets (microcracks, cracks) of fallen leaves, formed ...
- Created on 27 October 2023
- 5. Selection and justification of drilling and blasting parameters using genetic algorithms
- (Content №4 2023)
- ... the number of microcracks (cr/sm2) in the quartz grains, which is present in uranium ore according to a linear law, and the output (in %) of oversized blocks during the destruction of uranium ore from ...
- Created on 28 August 2023
- 6. Study on explosion in different cross-sectional shape charge cavity in tensile stress field
- (Content №3 2023)
- ... cracks development in a solid medium during an explosion of explosive charge in charge cavity with longitudinal symmetrical incision and various cross-sectional shapes Methodology. Experimental methods ...
- Created on 27 June 2023
- 7. Energy efficient technologies for the mining industry
- (Content №6 2022)
- ... generator inlet. The destroyed rock takes on a fatigue character under repeated alternating effects of force impulses. Due to the development of a network of microcracks in the rock, the discontinuity ...
- Created on 25 December 2022
- 8. Impact of stress concentration on reliability of metal structure elements of gantry cranes
- (Content №3 2022)
- ... crane taking into account coefficients of intensity and concentration of stresses which allow defining speed of growth of cracks in dangerous stress zones of a metal structure. Originality. The existing ...
- Created on 29 June 2022
- 9. Assessment of sudden soil faults hazard when developing a coal seam
- (Content №1 2022)
- ... and high gas content in the soil; in this case, the breakthrough of methane into the development occurs only if the cracks formed in the soil of the workings reach the sources of gas release gas-bearing ...
- Created on 25 February 2022
- 10. Forecast changes in the geodynamic regime of geological environment during large-scale subsoil development
- (Content №6 2021)
- ... which makes it possible to study elements of cracks occurrence and faults in rocks in sufficient detail; - composition of strengthening solution from mining waste to increase stability of disturbed sections ...
- Created on 29 December 2021
- 11. Determination of stress concentration near the holes under dynamic loadings
- (Content №3 2021)
- ... fatigue cracks in isotropic and composite plates. IOP Conference Series: Materials Science and Engineering, 373(1), 012024. IOP Publishing. https://doi.org/10.1088/1757-899X/373/1/012024. 16. Hetnarski, ...
- Created on 23 June 2021
- 12. Mathematical modeling of power supply reliability at low voltage quality
- (Content №2 2021)
- ... A. (2020). Reasons for breaking of chemical bonds of gas molecules during movement of explosion products in cracks formed in rock mass. International Journal of Mining Science and Technology, 30(2), 265-269. ...
- Created on 29 April 2021
- 13. The method for determining the parameters of the diagrams of a truncated-wedge destruction of cylindrical samples of rocks
- (Content №1 2021)
- ... contact friction and allowing one, using the theory of slip lines, to calculate the limiting state of the material at the tip of cracks developing from the edges of the sample of the correct geometry, ...
- Created on 05 March 2021
- 14. The character of disruption of the rocks surface during rapid cooling
- (Contens №5 2020)
- ... and microcracks in the rocks during rapid cooling for their effective softening. Methodology. The solution of the problem of crack system development is based on the fact that, as a result of rapid ...
- Created on 30 October 2020
- 15. Evaluation of stability of sides of quarries and dumps on the basis of a risk-oriented approach
- (Contens №4 2020)
- ... bonds of gas molecules during movement of explosion products in cracks formed in rock mass. International Journal of Mining Science and Technology, 30(2), 265-269. 14. Pavlovich, A. A., Korshunov, ...
- Created on 30 August 2020
- 16. Using broadband signals for structural change detection in metal details
- (Contens №3 2020)
- ... V. (2011). Effect of closure of collinear cracks on the stress-strain state and the limiting equilibrium of bent shallow shells. Journal of Applied Mechanics and Technical Physics, 52(3), 464-470. https://doi.org/10.1134/S0021894411030175. ...
- Created on 02 July 2020
- 17. Evaluation of blast wave parameters within the near-explosion zone in the process of rock breaking with borehole charges
- (Contens №2 2020)
- ... 12. Nifadiev, V. I., Kovalenko, V. A., Raiymkulov, M. A., Komissarov, P. V., & Basakina, S. S. (2018). Gas-dynamic instability during blasting of a borehole charge dispersed by air gaps as a cause of the initial network of cracks in the rock. Vestnik Kyrgyzsko-Rossiiskogo Slavianskogo Univarsiteta, 18(4), 175-179. ...
- Created on 10 May 2020
- 18. Asymptotic method in two-dimensional problems of electroelasticity
- (Content №1 2020)
- ... with periodic interface cracks under magnetic or electric field. Eng. Fract. Mech., 84, 132-145. 3. Onopriienko, O., & Loboda, V. (2015). Electrical crack between dissimilar piezoelectric materials ...
- Created on 10 March 2020
- 19. Two-dimensional elastic theory methods for describing the stress state and the modes of elastic boring
- (Content №1 2020)
- ... (2014). An Engineer’s Guide to Mathematica. Chichester, UK: John Wiley and Sons. 10. Martynyak, R. M., & Serednytska, Kh. I. (2017).Contacting Thermoelasticity Problems for Interphase Cracks ...
- Created on 10 March 2020
- 20. Results of testing and modelling the “drilling rig with hydraulic vibrator ‒ rock” system
- (Content №1 2020)
- ... As a result of resonance processes in the system of “drilling rig with hydraulic vibrator ‒ rock” and the development of a network of micro-cracks, the rock discontinuity occurs at the stresses lower than ...
- Created on 10 March 2020