- 41. Technology of Ecological Safety Improvement During Iron-Ore Underground Mining
- (Monographs 2014)
- ... the iron-ore mine and surrounding areas. They propose the technology of ore chambers breaking by emulsion explosives that allows cutting cost of ore production and decreasing volume of harmful substances ...
- Created on 14 November 2014
- 42. Economic aspects of change-over to tnt-free explosives for the purposes of ore underground mining in Kryvyi rih basin
- (Economy and management)
- ... methods: the method of the critical analysis and synthesis of theoretical studies; system approach; method of economic and mathematical modeling. Findings. We have proved that the cost of breaking ...
- Created on 23 September 2014
- 43. Study of the mechanism of the directed destruction of rock by non-explosive destroying mixtures
- (Mining)
- ... Mining Administration. Originality. For the first time, the method of directed rock breaking by non-explosive destroying mixtures was proposed. Physics of the process and its parameters was studied. ...
- Created on 24 December 2013
- 44. Simulation of the geomechanical processes in the block of the rock massif containing steep ore deposit excavation
- (Mining)
- ... improve the efficiency of blasthole charges. Practical value. We can improve the efficiency of blasthole charges during breaking ground, reduce the consumption of explosives and blasting agents, improve ...
- Created on 24 December 2013
- 45. Laboratory research of influence of face area dimensions on the state of uranium ore layers being broken
- (Mining)
- ... enlarging of the face area of the stope during simulation of the process of breaking of ore layers have been obtained. The mathematical relations of destruction progress in the massif model have been determined ...
- Created on 16 April 2013
- 46. Theory of calculation of concrete-filled-steel-tube (CFST) of mining support
- (Mining)
- ... // Бетон и железобетон. – 2008. – № 2. – С. 22–25. Krishan, A.L., Zaikin, A.I. and Kupfer, M.S. (2008), “Determination of the Breaking Load of Compressed Guncrete Elements”, Beton i zhelezobeton, no.2, ...
- Created on 16 April 2013
- 47. Influence of rock massif stress-strain state on uranium ore breaking technology
- (Mining)
- ... “VostGOK”, Chief Engineer, Krivoy Rog, Ukraine Abstract: Purpose. To study the influence of the stress-strain state of rock on the technology of uranium ore breaking and improve the drilling ...
- Created on 16 April 2013
- 48. 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
- 49. Reducing of ore dilution by layer-by-layer breaking and draving
- (Mining)
- Authors: V.O. Kalinichenko, O.Ya. Khivrenko, M.V. Peretiatko The article is devoted to basic principles of forming of plain ore mass stream and using of this phenomenon ...
- Created on 26 December 2012
- 50. Reducing of ore losses on bottom layer of flat dipping deposit
- (Mining)
- ... ring of hole and breaking layer-by-layer. For extracting stock of bottom layer prism dipping ore stream are used. ...
- Created on 25 December 2012