Перегляд Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018) за датою
Зараз показуються 21-40 з 41
-
Development of a three-parameter model of the shoe brake contact interaction with the drum in mine hoisting machine
(2018)For safe operation of mine hoisting machines (MHM) in the mining industry, it is necessary to provide high constructive reliability of brake systems, in particular, brake systems based on the block brake. ... -
Physical simulation of integrated protective structures
(2018)An effective way of protecting development workings by integrated rock wall structures is considered. The necessity of improving this method and its experimental verification is substantiated. Integrated ... -
Selective underground mining of complex structured ore bodies of Kryvyi Rih Iron Ore Basin
(2018)Selective mining of complex structured ore bodies will enable increased iron content in the mined ore mass in underground mining at Kryvyi Rih iron ore basin applying the existing mining systems. ... -
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 ... -
Recommended and experimental values of the earth surface shift troughs parameters when conducting the stope works
(2018)The correspondence of angular and linear parameters of the undermined rocks displacement and the crustal movement to their values determined according to the normative document has been established. ... -
Hereditary model of loose mined rock layer deformation in disintegrators
(2018)The objective of this work is to substantiate the hereditary character of the stresses and deformations accumulation in loose mined rock during the disintegrators working surfaces convergence. It is ... -
Improving the process of coal extraction based on the parameter optimization of mining equipment
(2018)The aim of this paper is to develop and validate methods of choosing the means of the mining face mechanization. This paper analyses existing methods of optimizing processes in mining. It was established ... -
Integrated analysis of geofiltrational parameters in the context of underground coal gasification relying upon calculations and modeling
(2018)Objective of the paper is to substantiate and implement the integrated approach aimed at the studies of filtration and mass-transfer processes within roof rocks of coal seams in the context ... -
Investigation of the influence of polyelectrolytes hydrodynamic properties on the hydrate formation process
(2018)One of the most perspective non-traditional sources of hydrocarbon raw materials and energy is gas hydrates (GH), which stimulates their large-scale study in many laboratories and scientific ... -
A concept to use energy of air flows of technogenic area of mining enterprises
(2018)Topical issues concerning the possibilities of effective energy generation on the basis of Ukrainian mining enterprises have been highlighted. Attention is drawn to one of the most challenging tendencies of ... -
Productive flows control in coal mines under the condition of diversification of production
(2018)The objective of the work consists in methodical bases of concept development for control by productive flows in coal mines with the use of cost-effective mechanisms. These mechanisms would provide ... -
Interaction of deformation-strength characteristics of the support load-bearing elements in the preparatory workings
(2018)The objective of this work is to study the relationship of the deformation-strength characteristics of the fastening system with its displacement value. The tendencies of influence are divided ... -
Maintenance of reusable mine workings during the augering mining of coal seams
(2018)The augering mining of thin and very thin coal seams has been proposed for using the efficiency of this task, related to the stability of reusable mine workings. The interrelation has been established ... -
Technological aspects of technogenic disturbance liquidation in the areas of coal-gas deposits development
(2018)The objective of this work is to develop the technological measures for liquidation of technogenic disturbances that have arisen within the residential areas. Based on the results of geophysical studies, ... -
Self-regulating roof-bolting with the rock pressure energy use
(2018)The perspective of discovery of zonal disintegration phenomenon of rocks around underground mine workings is analyzed. The methodological stages for research of this phenomenon are shown. The physics ... -
A modern vision of simulation modelling in mining and near mining activity
(2018)The paper represents the creation of the software simulation system, which reproduce the basic processes of mining and near production. It presents the consideration of such systems for both ... -
Influence of man-made edaphotopes of the spoil heap on biota
(2018)The aim of the work is to investigate the influence of man- made edaphotopes of colliery spoil heap on biota by bioindication method. The physicochemical properties of edaphotopes were investigated: ... -
Analysis of pressure difference changes in respirator filters while dusting
(2018)Objective is to determine the relation between pressure difference of a filter and parameters of a filtering layer to lengthen the protection period. The study involved elements of system ... -
Rheology effect determination of the heterogeneous rock massif on the stress-strain state of the breakage face geomechanical system
(2018)The purpose of this study is to determine the nature of influence of the rheological properties of the rocks on the results of computational experiments simulating the mine workings contour condition during the ... -
Ecological aspects of managing the stressed- deformed state of the mountain massif during the development of multiple coal layers
(2018)The ecological consequences of long-term development of coal deposits for the components of the environment, buildings, communications and infrastructure facilities have been analysed. The stress-deformed ...