Перегляд Volume 11, Issue 3 по назві
Зараз показуються 8-14 з 14
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Research into the influence of technical factors on rocks deformation during reworking of ore deposits
(National Mining University, 2017-09-30)Purpose. The aim of this work is to establish the relation of rocks deformation during reworking of ore deposits to mining and technical conditions and factors of mineral production based on the processing of surveying ... -
Scale factors for conversion of forces on disc cutters for the main domestic and foreign methods
(National Mining University, 2017-09-30)Purpose. Disc cutter is an important tool which is used in tunneling to destroy the rock during excavation as it directly influences rock-breaking efficiency, advance rate and economy of a project. Thus, it is of critical ... -
Selection of environmentally safe open-pit technology for mining water-bearing deposits
(National Mining University, 2017-09-30)Purpose. Substantiation of environmentally acceptable technologies for surface mining of water-bearing placer deposits, taking into account the parameters of mining systems elements and areas damaged during mining of mineral ... -
Shielded development of bottom gas hydrates
(National Mining University, 2017-09-30)Purpose. The research aims to show the system features of the existing development methods, which create significant risks of investment in the production of methane gas hydrates, as well as to disclose a new way and ... -
Stability of the coal seam roof during the sudden collapse of lateral rocks
(National Mining University, 2017-09-30)Purpose. To study the effect of dangerous manifestations of rock pressure (in the form of sudden lateral rock collapse) on the state of the coal seam roof developed in difficult mining and geological conditions by various ... -
Substantiation of the method for constructing the diagram of the horizontal belt conveyor tightness
(National Mining University, 2017-09-30)Purpose. The method for constructing the diagram of the conveyor belt tightness, which satisfies the fundamental conditions of the mechanical system equilibrium and takes into account the influence of its centrifugal forces ... -
The effect of increasing the water content on rocks characteristics from Şuior, Romania
(National Mining University, 2017-09-30)Purpose. Generation of relative humidity fluctuations lead to a further decrease in the resistance of rocks, which involves the swift evacuation of groundwater from mining works. For andesitic rocks strongly hydrothermal ...