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STUDYING THE POSSIBILITY OF USING RED-BROWN CLAY FOR RECLAMATION OF COAL WASTE DUMPS
(2018)The coal mining industry, as the source of the main fuel resource and the main energy resource, has particular importance for Ukraine. The largest coal regions of Ukraine include Donetsk, ... -
Substantiating operational parameters of load- haul-dumpers in the context of irregular-shaped underground mine workings
(2018)Objective of the paper is to substantiate scientifically parameters and design of energy-efficient transportation and operational schedules for ore masses transfer by means of new-generation load-haul-dumpers ... -
SUBSTANTIATING A MECHANISM TO INCREASE THERMAL RESOURCE OF WATER-BEARING LEVELS AT THE EXPENSE OF UNDERGROUND COAL COMBUSTION
(2018)Objective is to study a mechanism increasing thermal resource of water-bearing levels at the expense of underground coal combustion. -
Substantiating parameters of stratification cavities formation in the roof rocks during underground coal gasification
(National Mining University, 2016-03-30)Purpose. Underground coal gasification, as a complex and technically difficult process, should be supported in many aspects by computer simulations or analytical calculations of rock mass behavior. However, little is known ... -
Substantiating rational parameters of a method for shrinkage ore stoping while developing thin- vein steeply inclined deposits
(2018)Objective of the paper is to substantiate rational ore-stoping technique while using small wells in the context of thin-vein steeply inclined deposit mining. The technique is based upon the ... -
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 and process design to manufacture polymer-concrete transfer cases for mining machines
(National Mining University, 2020-06-30)Purpose. To determine efficient polymer-concrete composition and to develop a process design to use the material to manufacture transfer cases for mining machines operating under very heavy conditions to improve their ... -
Substantiation into parameters of the conveyor transport system in the main cargo flow at the mine under conditions of mining works intensification
(Видавництво НТУ ДП, 2020)Purpose. Substantiation of parameters of the conveyor transport system of the main cargo flow of the mine in the conditions of intensification of mining works, which are determined by the actual cargo flow in the coalfaces ... -
SUBSTANTIATION INTO PRACTICAL APPLICATION OF THE BIOMASS GASIFICATION TECHNOLOGY
(2018)Consumption of energy resources in the nearest time will provoke their rapid rise, accompanied by their gradual exhaustion. This situation requires a search of internal reserves based on renewable energy. ... -
Substantiation of cable bolts parameters for supporting mine workings in conditions of laminated rocks
(National Mining University, 2016-03-30)Purpose. The development of approaches to the substantiation of the cable bolts installation parameters for the mine workings supporting in conditions of laminated rocks, taking into account the geometric parameters of the ... -
Substantiation of chamber parameters under combined open-cast and underground mining of graphite ore deposits
(London : Taylor & Francis Group, 2011)The move from open-cast to combined mining method of developing Zavalyevsky deposit of graphite is considered in the paper. The selection of chamber dimension satisfying conditions of long-term stability is one of the ... -
Substantiation of constructive elements for mining C 42 coal seam in the “samara” mine pjsc “dtek pavlogradugol”
(Видавництво НТУ ДП, 2020)The purpose is to substantiate the structural elements of the development system during the mining the C 42 coal seam in the conditions of the Samara mine due to the introduction of modern mining equipment. ... -
SUBSTANTIATION OF ELECTROMECHANICAL PARAMETERS OF THE CONVEYOR BELT FOR MINING INDUSTRY
(2018)Development and study of the electric drive control system for reducing the impact of disturbing factors in the electromechanical system and improving the energy parameters. -
Substantiation of environmental and resource-saving technologies for void filling under underground ore mining
(2020)The object of research is the technology and technical means to clear the voids during the underground mining of ores in the disturbed arrays. One of the most problematic places is the filling of man-made voids that affect ... -
Substantiation of environmental and resource-saving technologies for void filling under underground ore mining
(2020)The object of research is the technology and technical means to clear the voids during the underground mining of ores in the disturbed arrays. One of the most problematic places is the filling of man-made voids that affect ... -
SUBSTANTIATION OF MUD PREPARATION TECHNOLOGY
(2018)To study the advantages of hydrodynamic cavitation, to calculate the frequency of cavitation oscillations by the device parameters, to obtain a formula for determining the dispersion time of the material, and to study ... -
Substantiation of parameters of mine working drivage with blasting technique and cleaning charges in advance cutting holes
(2020)Drilling and blasting operations (D&B) are the most difficult and laborious operations in the process of mineral extraction, requiring permanent development and upgrading of methods and equipment. The aim of the study is ...