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Controlling stress state of a hoisting shaft frame in the context of specific freezing process
(National Mining University, 2018-12-30)
Purpose is to obtain regularities of a stress state of such multilayer system as neighbourhood rock mass – frozen soil – hoisting shaft frame in the process of numerical analysis to control a frame state with the selection ...
Application features of the surface laser scanning technology when solving the main tasks of surveying support for reclamation
(National Mining University, 2019-09-30)
Purpose. Study of the effectiveness of topographical survey methods when solving the main tasks of surveying support for the disturbed lands reclamation.
Methods. Comparative analysis of the topographical survey results, ...
Method for calculation of drilling-and-blasting operations parameters for emulsion explosives
(National Mining University, 2019-09-30)
Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well ...
Transportation of concentration and leaching tailings in underground mining of metal deposits
(National Mining University, 2019-06-30)
Purpose. The article aims to substantiate efficient parameters of resource-saving technological processes ensuring optimal environmental and economic indices of concrete mixtures transportation under the force mode and ...
Statutory and regulatory requirements in the process of mineral mining in Ukraine. Review and analysis
(National Mining University, 2019-06-30)
Purpose. Compliance of statutory and regulatory requirements as for mineral mining, made while subsurface using, mines inspectorating, bringing to responsibility, and creating prerequisites for providing legal guarantees ...
Numerical modelling of the effect of temperature variation on stope stability in Bushveld Igneous Complex
(National Mining University, 2019-06-30)
Purpose. This paper presents the result of the research carried out on the effect of increasing temperature and stresses with depth of mining on the stability of stope within the Bushveld Igneous Complex (BIC), where the ...
Assurance of guaranteed atmosphere air quality for a point emission source
(National Mining University, 2019-06-30)
Purpose. To solve the task of assessing the components of the guaranteed atmosphere air quality PMPj, PMP depending the maximum pollutant concentrations for a point source of emissions at the stage of designing in various ...
Non-destructive testing of rock bolt fastening as an element of monitoring the state of mine workings
(National Mining University, 2019-03-30)
Purpose. To substantiate the informative parameter, to develop the method and equipment for non-destructive testing (NDT) of rock bolt fastening, as an element of geomechanical monitoring of the mine workings state.
Methods. ...
Effects of elevated temperature on physical and mechanical properties of carbonate rocks in South-Southern Nigeria
(National Mining University, 2018-12-30)
Purpose. Limestone and marble are carbonate rocks with several structural and engineering applications. The physical and mechanical properties of the rocks are fundamental as they determine their suitability for various ...
Selecting a variant to allocate a plant producing shotcrete while implementing method of “wet” pneumatic concrete placing in Orlovskaia mine
(National Mining University, 2019-09-30)
Purpose. Mining and geological conditions are complicated due to the decreased level of mining within deposits of West Kazakhstan. It results in significant increase in the amount of metal framed support which cannot always ...