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Review of geomechanical problems of accumulation and reduction of mining industry wastes, and ways of their solution
(National Mining University, 2018-12-30)
Purpose. The identification of geomechanical problems of mining industry wastes accumulation and substantiation of the ways for their solution with the possibility of processing the watery technogenic feedstock by fine ...
Study on low-grade galena-barite ore beneficiation in Khuzdar, Balochistan, Pakistan
(National Mining University, 2019-03-30)
Purpose. Galena and barite are the principal minerals of lead and barium respectively. Both minerals are used extensively in industries because of their distinct properties. In complex poly metallic ores, it is always ...
Evaluation of volumetric strain quantities and types of volumetric strain curves under failure-deformation process of hard brittle rocks
(National Mining University, 2018-12-30)
Purpose. The aim of this work is to show whether or not a relationship exist among the different volumetric strain quantities and to assess also whether the volumetric quantities are related to the different types of ...
Choice and substantiation of stable crown shapes in deep-level iron ore mining
(National Mining University, 2018-12-30)
Purpose. The aim of the paper is to select and substantiate stable shapes of crown pillars through determining regularities of rock pressure impacts on their stability depending on the crown shapes, mining depths and iron ...
Geological features and marble production qualities of Western Turkey
(National Mining University, 2019-03-30)
Purpose. Isparta Angle occurs along the Mesozoic carbonate axis. Carbonated rocks forming the Taurus belt are continuous with allochthonous and autochthonous features. The rocks in the region are abnormally contacted with ...
Mechanism conversion process and timeliness of N2-ECBM
(National Mining University, 2018-12-30)
Purpose. Based on the technology by which methane drainage is strengthened under gas injection, to examine the process of gas injection and the mechanism of action.
Methods. Physical simulation experiment method, using ...
Mineral resources and national economic security: current features
(National Mining University, 2019-03-30)
Purpose is to estimate current mineral and raw material complex and its effect on national economic security basing upon determination and analysis of the integrated index.
Methods. Eleven countries of the world with the ...
Regularities of hydromechanical amber extraction from sandy deposits
(National Mining University, 2019-03-30)
Purpose is to analyze the efficiency of hydromechanical amber extraction from sandy deposits relying upon the determined regularities concerning the effect of parameters while carrying out a series of laboratory tests and ...
Evaluation of some ceramic properties of Gadabiu clay deposit (Kwali Area Council, Abuja, Nigeria)
(National Mining University, 2019-03-30)
Purpose. To evaluate some ceramic properties of Gadabiu clay deposit, Kwali Area Council, Abuja Nigeria.
Methods. Soil samples from the study area were subjected to various physical and mechanical tests such as; X-ray ...
Investigation of the dust formation process when hoisting the uranium ores with a bucket
(National Mining University, 2019-09-30)
Purpose. Determining the possible level of air dustiness during the bucket hoisting of uranium ores along the shaft “Holovnyi” of the mine “Novokostiantynivska”, SE “VostGOK”.
Methods. To determine the level of air ...