Listar Mining of Mineral Deposits por fecha de publicación
Mostrando ítems 1-20 de 354
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Recommended practice for using resource-saving technologies and tools for fine classification of uranium ores by size and refuse dehydration
(National Mining University, 2016-03-30)Purpose. Developing recommendations for the creation and application of resource-saving technologies and tools for fine classification and dehydration of uranium ore refuse for the purpose of its recycling, which is important ... -
Research into parameters characterizing the process of withdrawing clay-mud formations from bore hole vuggy zones
(National Mining University, 2016-03-30)Purpose. Substantiating technological parameters of the device for processing vuggy zone in the bore hole, based on the obtained dependences describing formation and withdrawal of clay-mud agglomerates and their influence ... -
Industrial research into massif zonal fragmentation around mine workings
(National Mining University, 2016-03-30)Purpose. The main purpose of the work is identification of massif zonal fragmentation around mine workings by means of industrial methods of research. Methods. Research into processes of massif zonal fragmentation around ... -
Implementing FLAC3D model for simulating deformation mechanism of steel frame support set by actual profile
(National Mining University, 2016-03-30)Purpose. The problem of simulating steel frame irreversible deformation and displacement remains unsolved. The purpose of this research was to develop a new approach to simulation of frame yield support. Methods. We used ... -
Concept of the journal “Mining of Mineral Deposits” Of the National Mining University”
(National Mining University, 2016-03-30)This article describes the present concept of the journal “Mining of Mineral Deposits”. The introduction features information about the Underground Mining Department where the journal was created. It also focuses on a short ... -
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 ... -
Technological, economic and ecological aspects of selective coal mining from ultra-thin seams in conditions of Ukraine
(National Mining University, 2016-03-30)Purpose. At present one of the topical problems associated with coal seams mining is the issue of induced wall-rock coal-cutting with stone, which results in coal getting clogged with refuse stone and turning into the rock ... -
Efficiency of energy resource production while optimizing parameters of socio-economic balance
(National Mining University, 2016-03-30)Purpose. Definition of the standardized index of energy resource generation efficiency in changing socio-economic conditions considering the development of the technological basis of the modern mining industry. Methods. ... -
Assessment of environmental and technical risks in the process of mining on the basis of numerical simulation of geofiltration
(National Mining Uniersity, 2016-03-30)Purpose. Substantiation of environmentally acceptable and technically safe operational mining schemes in the context of disturbed hydrogeological and geomechanical conditions by means of developing adapted filtrational ... -
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 ... -
Research into stress-strain state of reinforced marginal massif of extraction mine working by combined anchoring system
(National Mining University, 2016-03-30)Purpose. Justification of conditions for reusal of extraction mine working by maintaining system parameters of resin-grouted and rope roof bolts. Methods. Wide range of investigation of stress-strain state of coal-bearing ... -
Multi-purpose sorbent production by coal ash recycling
(National Mining University, 2016-03-30)Purpose. The main purpose of the work is to increase adsorption capacity of the carbon-containing sorbent. Methods. Adsorption and filtration processes were studied with the aid of chemical and physical methods, plotting ... -
Increasing stability of underground mine workings by forming new geotechnical properties of adjoining layers via roller compaction
(2016-03-30)Purpose. To create a model reproducing the process of forming geotechnical properties of the rock massif adjoining circuit of underground excavation by roller compaction method incorporating hardening and creating the zone ... -
Destruction of rocks by the non-explosive depleting compounds during mining
(National Mining University, 2016-03-30)Purpose. Justification of the possibility of non-explosive coherent rocks destruction while carrying out stratal underground mine workings on the basis of the set of dependencies describing changes in physical and mechanical ... -
State analysis of overworked and underworked parting between contiguous seams and during their simultaneous top-down mining
(National Mining University, 2016-06-30)Purpose. Investigating conditions of conducting and maintaining excavation works during mining of seam . Evaluating probability of parting rocks stability loss in terms of top-down mining of two contiguous seams in a ... -
Influence of watering filled-up rock massif on geomechanical stability of the cyclic and progressive technology line
(National Mining University, 2016-06-30)Purpose. Comprehensive assessment of the fill slope stability for cyclical-and-continuous technology (CCT) conveyors applied to rocks of stripping at Pervomaiskiy quarry of PJSC “Severnyi GOK” to justify effective ... -
Prediction of contamination level of the atmosphere at influence zone of iron-ore mine
(National Mining University, 2016-06-30)Purpose. The main purpose of the work is estimating and predicting ecological state of the atmosphere air on the territory of iron-ore mine. Methods. Laboratory research and biological estimation of the atmosphere state ... -
Technological characteristics of the device for bore hole cleaning
(National Mining University, 2016-06-30)Purpose. Rationale for structural and technological parameters of the device for processing the bore hole vuggy zone departing from the set dependences of active jets formation while streamlining the blade element. Methods. ... -
Development and analysis of computational model of geomechanical system “layered massif – working support”
(National Mining University, 2016-06-30)Purpose. Substantiating the method for forecasting rock pressure manifestation in the system “layered massif – working support” on the basis of displacement patterns detection at any arbitrary point of the preparatory ... -
Influence of configuration chambers on the formation of stress in multi-modulus mass
(National Mining University, 2016-06-30)Purpose. Detecting unstable areas in the filling mass taking into account configuration of the adjacent mineable chambers to improve its formation. Methods. The research into stress state of multi-modulus mass consisting ...