- 41. Contens 01 2020
- (Content №1 2020)
- ... А. А. Yurchenko, I. O. Luts, V. V. Kovbasa.Mathematical model of heat processes in terms of gas-saturated rock breaking by means of shearers and tunneling machines 18 ...
- Created on 11 March 2020
- 42. Mathematical model of heat processes in terms of gas-saturated rock breaking by means of shearers and tunneling machines
- (Content №1 2020)
- ... heat processes while breaking gas-saturated rock mass using shearers and tunneling machines. Methodology. To achieve the objective, methods of physical and mathematical modeling have been applied ...
- Created on 10 March 2020
- 43. Results of testing and modelling the “drilling rig with hydraulic vibrator ‒ rock” system
- (Content №1 2020)
- ... it due to periodic growth, separation and collapsing of cavitational pockets, the pressure shock oscillations are realized in drilling mud. They are transformed into longitudinal vibrations of rock-breaking ...
- Created on 10 March 2020
- 44. Management of reproduction of current assets of machine-building enterprises of Ukraine
- (Economy and Management)
- ... methods: canonical and discriminatory analysis ‒ in developing a conceptual approach to managing the reproduction of current assets of a machine-building enterprise; grouping ‒ while breaking down the ...
- Created on 23 August 2019
- 45. Determination of drilling and blasting parameters considering the stress-strain state of rock ores
- (Mining)
- ... energy intensity factor for breaking ores onto the inclined exposure which considers the exposure dip while correcting drilling and blasting parameters. There are also offered calculated numerical limits ...
- Created on 08 March 2019
- 46. Investigation into crown stability at underground leaching of uranium ores
- (Mining)
- ... state of the rock massif on the technology of breaking uranium ores. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 2, pp. 11‒16. 6. NIGRI GUVZ KNU, 2012. Instructions for determining ...
- Created on 26 December 2018
- 47. Identification of material parameters for numerical simulation of the behavior of rocks under true triaxial conditions
- (Solid State Physics, Mineral Processing)
- ... [Accessed 24 October 2017]. 15. Sergienko, L. V., Gladkaya, E. V. and Molodetskyi, A. V., 2015. Analysis of coal breaking mechanism under the conditions modelling stress-and-strain state ...
- Created on 29 October 2018
- 48. Efficiency of preparation of mountain mass at careers of building materials
- (Geotechnical and mining mechanical engineering, machine building)
- ... Institute of Geotechnical Mechanics, NAS of Ukraine, Dnipro, Ukraine, е-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Abstract: Purpose. To conduct an assessment of the effectiveness of rock breaking in a complex array ...
- Created on 27 August 2018
- 49. Expediency of application of the vertical concentrated charges to decrease losses of ore on a lying wall of deposits
- (Mining)
- ... The variant of caving system of ore and adjacent strata with downhole breaking of ore or combined by wells from drilling chambers and the vertical concentrated charges from a lying wall of a deposit is ...
- Created on 24 July 2017
- 50. Experimental study of the influence of crossing the disjunctive geological fault on thermal regime of underground gasifier
- (Mining)
- ... the impact of changes of the geological faults amplitude without breaking the continuity of coal seams and the temperature conditions of underground gasifier based on the experimental data during underground ...
- Created on 17 November 2016