- 1. Efficiency and seismic safety of constructing underground structures in complex rock masses
- (Content №6 2023)
- ... contour boreholes and along the entire cross-section of working face. Based on corrected drilling and blasting operations (DBO), experimental explosions were carried out in workings. It was established ...
- Created on 23 December 2023
- 2. Assessment of sudden soil faults hazard when developing a coal seam
- (Content №1 2022)
- ... layers (interlayers) of coal. Originality. A predictive indicator of the hazard of the occurrence of SFSS in the working face is proposed, a dimensionless criterion which is the product of dimensionless ...
- Created on 25 February 2022
- 3. Effect of geological and technological parameters on the convergence in a stope
- (Content №6 2021)
- ... https://doi.org/10.1007/s40789-020-00390-5. 7. Guojun, Z., Quansheng, L., Yong, Z., & Feng, D. (2021). Failure characteristics of roof in working face end based on stress evolution of goaf. Geomechanics ...
- Created on 29 December 2021
- 4. Leveling of pressure flow of radial ventilator in mine ventilation system
- (Contens №6 2019)
- ... fully-mechanized working face. Advanced Powder Technology, 29(2), 230-244. https://doi.org/10.1016/j.apt.2017.11.007. 10. Liu, H.-H., Cheng, C.-H., Hsueh, K.-L., & Hong, C.-W. (2017). Modeling ...
- Created on 23 December 2019
- 5. Approximate analytical model of rock thermal cyclical disintegration under convective cooling
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... rock disintegration during drilling. The studies carried out confirmed the possibility of control of the temperature mode on the working face and thermal softening of the rock by changing the flow rate ...
- Created on 19 August 2019
- 6. Impact of flexibility of support on gear mesh dynamics
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... of reducing vibroactivity of existing mills due to lubrication and increasing hardness of working face of gear teeth are defined. Originality. Methods for defining resonance range of gear mesh which ...
- Created on 19 August 2019
- 7. Geo-energetics of Ukrainian crystalline shield
- (Mining)
- ... analiza. In Napryazhennoe sostoyanie zemnoy kory (p. 50). 10. Dreus, A. Yu., & Lysenko, K. Ye. (2016). Сomputer simulation of fluid mechanics and heat transfer processes at the working face ...
- Created on 13 June 2019
- 8. Drilling fluid circulation rate influence on the contact temperature during borehole drilling
- (Mining)
- ... area. The proposed mathematical model of the process is found to be adequate; it allows predicting the temperature mode on the working face of borehole in the course of drilling. The findings of the research ...
- Created on 11 March 2018
- 9. Optimization of parameters of overworked mining gallery support while carrying out long-wall face workings
- (Mining)
- ... benchmark changes of the stress strain state of frame and bolt fastening elements of dismantling drift when approaching a working face. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 1, pp. 22–26. ...
- Created on 11 January 2018
- 10. Failure mechanism analysis on hanging arch roof caving at end of underground coal working face
- (Mining)
- ... of the roof in the curved triangle area at the end of an underground coal working face. Methodology. Using mechanical analysis, we obtain the theoretical maximum roof hanging arch distance in the ...
- Created on 21 May 2017
- 11. Displacement of undermining rock mass above the moving longwall
- (Mining)
- ... spatial displacement of the rock mass at different distances from the working face. The spatial coordinates of the survey points were determined for each series of the observations. Findings.According ...
- Created on 16 March 2017
- 12. Analytical determination of co-ordinates of distinguished points of the Earth surface depression over broken workings
- (Mining)
- ... points of ground depression as to the working face are determined based upon the observations; their statistical analysis is provided. Findings.The usage of exponential, logistic or tangent hyperbolic ...
- Created on 16 March 2017
- 13. Computer simulation of fluid mechanics and heat transfer processes at the working face of borehole rock
- (Mining)
- ... Dnipropetrovsk National University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Abstract: Purpose. The numerical study of the drill mud flow speeds field at the working face of a borehole. Substantiation ...
- Created on 17 November 2016
- 14. Regulated drives influense on coal flow and energy efficiency of mine conveyor transport system
- (Electrical complexes and systems)
- ... the flow of working faces and for simulation. Findings. The method of determining the probability density of traffic flows in the nodes of mine conveyor network using speed control of conveyor belts ...
- Created on 30 October 2015
- 15. Estimation of geomechanical parameters of the “pair workings-pillar-working face” system
- (Mining)
- Authors: A.N. Shashenko, Dr. Sci. (Tech.), Professor, State Higher Educational Institution “National Mining University”, Head of the Department of Construction and Geomechanics, Vice-Rector for International ...
- Created on 11 May 2014
- 16. Determination and analysis of the acceptable benchmark changes of the stress strain state of frame and anchor fastening elements of dismantling drift when approaching a working face
- (Mining)
- ... to the requirements of the timbering standard. We have modeled step by step approaching of the working face. The computational experiment has been carried out in four stages at different distances from ...
- Created on 21 March 2014
- 17. Prediction of spacing of primary roof caving of hard roof at development of gently dipping anthracite beds in deep mines
- (Mining)
- ... space. This will contribute in development of activities aiming localization of the rock subsidence and ensuring of the stable operation of the working face without emergency stops under these conditions. ...
- Created on 17 October 2013
- 18. Adaptive optimization of processing cycle and parameters of working face breaking mode by means of heading machine of selective action by resource criterion
- (Mining)
- Authors: O.Ye. Shabaev, A.K. Semenchenko, N.V. Khitsenko Mathematical model and approach of adaptive optimization of processing cycle and parameters of working face breaking ...
- Created on 26 December 2012
- 19. Research of influence of borehole length when use a drill and fire system of driving on behavior of gas-dynamic processes in the coalface of working
- (Mining)
- Authors: Krukovska V.V., Krukovskyi O.P., Vynohradov Yu.O. Numerical modeling of process of coal and methane outburst in a working face of single opening, what is driving ...
- Created on 21 December 2012
- 20. About the feasibility of optimization of longwall length during development of deeply buried thin antracitic strata
- (Mining)
- ... considered. The actual load on the working face was analyzed. The necessity of limiting the length of working face because of the specific behavior of rock pressure is substantiated. References: ...
- Created on 21 November 2012