- 21. Risk-forming dynamic processes in units of mine hoists of vertical shafts
- (Geotechnical and mining mechanical engineering, machine building)
- ... 16. Pukach, P. Ya., Kuzio, I. V., Nytrebych, Z. M. and Il’kiv, V. S., 2018. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft. Naukovyi Visnyk ...
- Created on 29 October 2018
- 22. Simplified plugging material
- (Mining)
- ... drive and special console, defining the extreme parameters of stone tightness while bending was carried on according to DSTU BV.2.7-86-99 on special equipment for testing the line objects to stretch while ...
- Created on 27 August 2018
- 23. Determining the qualitative composition of the equivalent material for simulation of Kryvyi Rih iron ore basin rocks
- (Mining)
- ... Kycenko, V., Lebedynecj, I. and Pedorych, I., 2016. Analytical study of the bending of isotropic plates, inhomogeneous in thickness. Eastern-European Journal of Enterprise Technologies, 4(7(82)), ...
- Created on 27 August 2018
- 24. Investigation of stress-strain state of packet node connection in spatial vibration shakers
- (Geotechnical and mining mechanical engineering, machine building)
- ... Additionally, to take into account the impact of the force reproduced by the node on the elastic deformations of the unit considering that a particular tape unit undergoes bending in two planes, as well ...
- Created on 03 July 2018
- 25. The effect of stiffness of shoe brake elements on the distribution of contact pressures
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... rigidity of the brake beam and to determine the dependence of the contact pressures distribution nature on the ratio of the brake lining transverse rigidity to the brake beam bending stiffness. Methodology. The ...
- Created on 16 May 2018
- 26. Content
- (Contents №1 2018)
- ... V. S. Il’kiv. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft 68 Power Supply Technology ...
- Created on 15 March 2018
- 27. Asymptotic method for investigating resonant regimes of nonlinear bending vibrations of elastic shaft
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: P.Ya. Pukach, Doctor of Technical Sciences, Associate Professor, Lviv Polytechnic National University, Professor of the Department of Higher Mathematics, Lviv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it., ...
- Created on 11 March 2018
- 28. Modeling of stress-strain state of fractured rock mass nearby of conjugated workings
- (Mining)
- ... O. V., Timchenko, S. E. and Karmanova, L. V., 2016. Canonical polynomials in the problem of the bending of a circular plate of variable thickness. In: Proceedings of the XII International Conference ...
- Created on 11 March 2018
- 29. Experimental estimation of load-carrying capacity of circular, square and rectangular CFTS columns
- (Geotechnical and mining mechanical engineering, machine building)
- ... and bending and designing load-carrying elements for industrial facilities. References 1. Takamasa Yamamoto, Jun Kawaguchi, Shosuke Morino and Sachio Koike, 2013. Experimental study on the effect ...
- Created on 11 January 2018
- 30. Analytical methods for determining the effect of the dynamic process on the nonlinear flexural vibrations and the strength of compressed shaft
- (Geotechnical and mining mechanical engineering, machine building)
- ... 8. Pukach, P. Ya., 2016. Investigation of bending vibrations in Voigt-Kelvin bars with regard for nonlinear resistance forces. Journal of Mathematical Sciences, 215(1), pp. 71‒78. ...
- Created on 17 November 2017
- 31. Calculation of distance between elastic-rigid centralizers of casing
- (Mining)
- ... to determine the distance between the centralizers and allowable gap have been determined on the basis of the solution of the problem of rod bending on the elastic-rigid supports. With the increase in ...
- Created on 17 November 2017
- 32. The stress state of heavy loaded open gearing with incomplete tooth contact
- (Geotechnical and mining mechanical engineering, machine building)
- ... Abstract: Purpose. Development of a design procedure of tooth bending durability upon incomplete tooth contact by a finite element method and its application for research of a stress state of ...
- Created on 04 August 2016
- 33. The research of the torsional vibrations of the screw in terms of impulsive force impacts
- (Geotechnical and mining mechanical engineering, machine building)
- ... 2012. – № 4 (68). – С. 141−154. Hevko, I.B. (2012), “Mathematical model of nonlinear bending vibrations of auger”, Visnyk TNTU, no. 4 (68), pp. 141−154. ...
- Created on 04 February 2016
- 34. Fatigue strength of oilwell tubings screwed joints in wells curvelinear sections
- (Mining)
- ... of statistical information about oilwell tubings operation. The method of analysis of oilwell tubings intense-deformed state was developed. This method allows assessing bending stress values and time behavior ...
- Created on 04 February 2016
- 35. Waste rock sprayed concrete mixtures for coal mines workings support
- (Mining)
- ... concrete mixtures based on waste rock and their highest physical and mechanical properties were determined. Active mineral admixtures that can improve strength on compression and bending of sprayed concrete ...
- Created on 30 October 2015
- 36. The equivalent number of stress cycles in view of fatigue calculation of tumbling mill gear
- (Geotechnical and mining mechanical engineering, machine building)
- ... value of working contact stress and working bending stress for the tooth can be increased by 1.20 and 1.26 times respectively, during the bending and contact endurance analysis. Originality. The regularities ...
- Created on 29 March 2015
- 37. INFLUENCE OF LOCAL BURRS OF RAILS ON BRAKING BY DEVICES WITH LIMITED FRICTION MOMENT ON WHEEL
- (Geotechnical and mining mechanical engineering, machine building)
- ... step of rail joint, subsidence of two ends of rails and local bending of track rail under a wheel. ...
- Created on 01 October 2014
- 38. Theory of calculation of concrete-filled-steel-tube (CFST) of mining support
- (Mining)
- ... of concrete-filled-steel-tube (CFST) of the first limit state being loaded by normal force and bending moment. To establish the laws of the joint work of steel pipe and hardening concrete mix. Methodology. ...
- Created on 16 April 2013
- 39. Laboratory research of deformation characteristics of fibrous concrete made of rigid and winding polymer reinforcing fiber
- (Mining)
- ... performed by the standard scheme of beam test for tensile bending. In order to obtain additional data about the nature of deformation of samples during loading, two pieces of glass were set into each sample. ...
- Created on 05 January 2013
- 40. Laboratory studies of the possibility of the shotcrete support recovery using PVA emulsion
- (Mining)
- ... Geomechanics, Dnipropetrovsk, Ukraine Annotation: The article presents the results of laboratory tests of shotcrete specimens on tensile bending. Prototypes are pre-destructed and recovered ...
- Created on 21 November 2012