- 41. Automation research performance impact of drilling equipment construction pace openings
- (Mining)
- Authors: A.N. Royenko, Dr. Sci. (Tech.), Professor, State Higher Educational Institution “National Mining University”, Professor of the Department of Construction, Geotechnics and Geomechanics, ...
- Created on 05 November 2015
- 42. Deformation of enclosing rocks near mine workings depending on factors affecting
- (Mining)
- Authors: V.F. Demin, Dr. Sci. (Tech.), Professor, Karaganda State Technical University, Professor of the Mining Department, Karaganda, Kazakhstan. N.А. Nemova, Cand. Sci. (Tech.), Associate ...
- Created on 05 November 2015
- 43. The new composite designs for mine tunnel support
- (Mining)
- ... of design concepts. Justification of the effectiveness and feasibility of the use of the created mine tunnel support in underground workings during opening of a deposit. Methodology. A complex of ...
- Created on 05 November 2015
- 44. Simulation for fracture bysmooth particle hydrodynamics code
- (Geotechnical and mining mechanical engineering, machine building)
- ... “Construction of the foundations of the theory of stability of the mine opening”, Uspekhi Mekhaniki, Vol. 4, pp. 93–128. Гузь А.Н. Построение основ теории устойчивости горных выработок / А.Н. ...
- Created on 29 March 2015
- 45. Formulation of high-inhibitor drilling mud composition for well completion
- (Geotechnical and mining mechanical engineering, machine building)
- ... drilling and preservation of filtration properties of reservoir rocks. The fluids that provide high-quality primary opening of productive layers by drilling wells can be successfully used during well workover. ...
- Created on 14 January 2015
- 46. The study of dynamics of development of deformation processes and crack formation in the rock massif around the working which is supported under a longwall
- (Mining)
- ... №1(30). – С. 299–304. Malysheva, N.N. and Sakhno, I.G. (2012), “Efficiency improvement of a mine opening protection through active stressing of protective facilities”, Visti Donetskoho Hirnychoho ...
- Created on 14 January 2015
- 47. Estimation of geomechanical parameters of the “pair workings-pillar-working face” system
- (Mining)
- ... that compression stress in the pillar from the side of coal-cutting working under the conditions of advancing face heading behind longwall opening reaches the value of σу=2,5γН. Practical value. The ...
- Created on 11 May 2014
- 48. Mathematical model of mine vertical opening stability
- (Mining)
- ... the stability of the equilibrium state of the bottom of stope in vertical opening located in kimberlite rock taking into account the equilibrium of the infinite space of the cavity under the load at a ...
- Created on 16 April 2013
- 49. Research of productivity of drilling tools when driving main crosscut of horizon of the second stage of opening
- (Mining)
- ... productivity of drilling tools which allows providing required speed of mine working driving increases as far as duration of building of horizon of the second stage of opening reduces, thus the drilling ...
- Created on 05 January 2013
- 50. Technological parameters and circuits of development at final stage of opening of deposits of rocky building materials
- (Mining)
- ... technological circuits of their development and opening with use of mobile (mobile) crushers have been considered. A substantiation of circuits in concordance with industrial and economic criteria (duration ...
- Created on 25 December 2012