Перегляд Volume 14, Issue 4 по назві
Зараз показуються 6-16 з 16
-
On the methodology for considering scale effect of rock strength
(National Mining University, 2020-12-30)Purpose is to improve a methodology for considering the influence of scale effect by transferring to the evaluation of rock strength immediately within the rock mass. Methods. The research involves methods of critical ... -
Probabilistic calculation in terms of deformations of the formations consisting of compacted overburden of Quarternary rocks
(National Mining University, 2020-12-30)Purpose is to study the effect of a stress-strain state (SSS) of rock mass on statistical dispersion of deformability characteristics of the compacted overburden; to develop modeling methods of dispersion of random values ... -
Research into balance of rocks and underground cavities formation in the coal mine flowsheet when mining thin seams
(National Mining University, 2020-12-30)Purpose. Study the movement of waste rock flows in the coal mine technological system and determine the balance of rocks and underground cavities formation from the perspective of the current mining operations development ... -
Research into leaching of uranium from core samples in tubes using surfactants
(National Mining University, 2020-12-30)Purpose. Improving the efficiency of borehole uranium recovery in difficult mining-and-geological conditions through the development of a new technology based on the intensification of geotechnological processes of in-situ ... -
Reservoir characteristics of the Miocene age formations at the Allas Dome, Hamrin Anticline, Northern Iraq
(National Mining University, 2020-12-30)Purpose. This study evaluated the reservoir characteristics and determined the formation lithology of Dhiban, Euphrates, and Serikagni in the Hamrin wells (Hr-2 and Hr-9). Methods. The well logs have used the gamma ray ... -
Review of unconventional hydrocarbon resources: production technologies and opportunities for development
(National Mining University, 2020-12-30)Purpose. Study the state of modern technologies for the extraction of unconventional hydrocarbon resources and determine the prospects for their development. Methods. The method of qualitative and quantitative analysis ... -
Risk assessment of radionuclide contamination spreading while flooding coal mined-out rocks
(National Mining University, 2020-12-30)Purpose. To investigate pathways and concentrations of the most dangerous radionuclides entering the surface and groundwater in terms of hydrodynamic situation re-establishment in the zone of radiation-hazardous mine field ... -
Studying the heavy metals concentration in discharged water from the Trepça Mine and flotation, Kosovo
(National Mining University, 2020-12-30)Purpose. The purpose of this study is to assess the concentration of heavy metals in industrial discharge water from the Trepça Mine in Stantërg and flotation, and their impact in polluting the urban environment. Methods. ... -
Substantiating velocity of amber buoying to the surface of sludge-like rock mass
(National Mining University, 2020-12-30)Purpose is to substantiate the parameters and factors in terms of which amber can be mined efficiently from sand deposits using hydromechanical method. Methods. Laboratory studies and full-scale experiments of amber-bearing ... -
Substantiation of the methodology for modeling and calculating the optimal operating modes of a tandem pumping installation when mining uranium
(National Mining University, 2020-12-30)Purpose. The purpose of the research is to develop a mathematical model of the jet pump (JP) working process and a calculation methodology for modeling, as well as to determine the optimal operating modes of a combined ... -
Surface mines composite slope deformation mechanisms and stress distribution
(National Mining University, 2020-12-30)Methods. Description and interpretations of the mechanical and stress computational model for a waste dump loading in the formation of a composite slope on the basis of the theory of plasticity and elasticity. Numerical ...