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Preliminary assessment of roadheaders efficiency based on empirical methods and index of equivalent rock strength
(National Mining University, 2019-09-30)
Purpose. The choice of a proper roadheader is a critically important step in planning of a project or some of its stages. Nowadays various manufacturers produce numerous models of these vehicles, hence it is unreasonable ...
Predicting remaining lifetime of drill pipes basing upon the fatigue crack kinetics within a pre-critical period
(National Mining University, 2019-09-30)
Purpose is to determine regularities of the development of corrosive fatigue cracks in terms of high-strength drill pipes.
Methods. Basing upon the approaches of the material failure mechanics, the crack has been characterized ...
Typomorphic characteristics of apatite morphology of carbonate-bearing variations of complex ores in the context of Kovdor deposit
(National Mining University, 2019-09-30)
Purpose. A comprehensive analysis of apatite morphology in carbonate-bearing variations of complex ores in the context of Kovdor deposit as an important typomorphic characteristic of a mineral being of high genetic and ...
Overview of technologies for constructing the facilities at the Dniester pumped storage power station
(National Mining University, 2019-09-30)
Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineerin ...
Improving rock classification in terms of explosivity
(National Mining University, 2019-09-30)
Purpose. To improve rock classification in terms of explosivity relying upon the detailed analysis of characteristics of rating classifications available in the Russian Federation and in the world.
Methods. Complex approach ...