Browsing Volume 12, Issue 1 by Title
Now showing items 5-14 of 14
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Hydro and geomechanical stability assessment of the bund wall bottom slope of the Dniprovsk tailing dump
(National Mining University, 2018-03-30)Purpose. The objective is to assess the stability of bund wall components of a hydro-technical structure under the conditions of a tailing dump which hydrodynamic mode has been disrupted during operation. The specified ... -
Improving the efficiency of blasting operations in mines with the help of emulsion explosives
(National Mining University, 2018-03-30)Purpose. To improve the efficiency of blasting operations in mines taking into consideration the upgrading of equipment used to charge blastholes as well as application of high-productive mining equipment of new ... -
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region
(National Mining University, 2018-03-30)Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area ... -
On the identification of Ti-Ta-Nb-oxides in “wiikites” from Karelia
(National Mining University, 2018-03-30)Purpose. With respect to the nature of Ti-Ta-Nb-oxides, which are included in the mineral associations that have historically gone by the now outdated name of “wiikites”, there is no unanimity of opinion. The main difficulty ... -
Optimization of molybdenite flotation using response surface method
(National Mining University, 2018-03-30)Purpose. The paper is aimed to study the molybdenite flotation from a low-grade uranium ore containing 0.2% of Mo. Methods. Three control parameters including frother (MIBC) dosage, collector (gasoline) dosage and pH, ... -
Selecting the method of gas hydrate deposits development in terms of the regularities of their formation
(National Mining University, 2018-03-30)Purpose. To establish and show regularities of gas hydrates fields distribution in the World Ocean for the development of flow diagrams of methane extraction depending on genetic structures and the composition of the host ... -
Simulation of the support-enclosing rock mass interaction for deep mining
(National Mining University, 2018-03-30)Purpose. To develop analytical model for a support-enclosing rock interaction to determine parameters for operational stability of deep mine workings while decreasing metal consumption and increasing efficient use of ... -
Software application in mining engineering
(National Mining University, 2018-03-30)Purpose. The main purpose is solving transportation problems using some methods of transportation modeling by linear programming. Linear programming has already demonstrated its value as an aid to making decisions in mining, ... -
Strength and strain quantities under brittle compression process of hard rocks
(National Mining University, 2018-03-30)Purpose. To examine the relationships between strength properties and strain quantities associated with the brittle compression process of hard brittle rocks. Methods. The data used in this paper were obtained from ... -
Sustainable development of Ukrainian iron and steel industry enterprises in regards to the bulk manufacturing waste recycling efficiency improvement
(National Mining University, 2018-03-30)Purpose. Identify the tendency of sustainable development of Ukrainian iron and steel industry enterprises regarding the raising of the bulk manufacturing waste recycling efficiency. Methods. To achieve this purpose, a ...