Volume 10, Issue 2
Sfoglia per
Immissioni Recenti
-
Improving state regulation of sustainable development of fuel and energy resources in Ukraine
(National Mining University, 2016-06-30)Purpose. Rationale for sustainable development of fuel and energy resources in Ukraine for the period up to 2030 taking into account improvement of public rental policy, balanced growth of GDP, stimulation of technical and ... -
Application of shock blasting mode in mine roadway construction
(National Mining University, 2016-06-30)Purpose. Working out measures providing safe application of a shock blasting mode while driving workings in outburst-prone coal seams. Methods. Conveying of shock blasting at the mine workings on the coal mines of Ukraine ... -
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. ... -
Organization of dumping stations with combined transport types in iron ore deposits mining
(National Mining University, 2016-06-30)Purpose. To develop the methodology for selecting appropriate type of open-pit transport in conditions of mining sinking to the maximum depth of opencast mining. Methods. Comprise determining costs for maintenance of ... -
Studying a crack initiation in terms of elastic oscillations in stress strain rock mass
(National Mining University, 2016-06-30)Purpose. Deriving the criterion of a crack (joint) initiating under simultaneous effect of the rock stress state and elastic oscillations generated by an external source is the research purpose. Determining the quantitative ... -
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 ... -
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 ... -
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 ... -
Modeling of bearing massif condition during chamber mining of ore deposits
(National Mining University, 2016-06-30)Purpose. To examine rock mass stress changes in hanging wall and footwall rocks of the deposit during mining of primary and secondary stoping chambers. Methods. Analytical research into stress-strain state around stoping ... -
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 ... -
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 ... -
Mathematical modeling of hydraulic mining from placer deposits of minerals
(National Mining University, 2016-06-30)Purpose. To analyze the process of hydraulic borehole mining of minerals. To define the main problems of hydraulic borehole mining. To create a mathematical model that will describe the process of hydraulic borehole mining ... -
Applying noncantilevered support of mechanized complexes for developing flat seams
(National Mining University, 2016-06-30)Purpose. Substantiation of applying additional load-bearing structure of powered support near the face onto the bench formed within the seam by the cutter-loader actuating element, which allows to increase efficiency of ... -
Tendencies of coal industry development in Ukraine
(National Mining University, 2016-06-30)Purpose. Analysis of the current state and prospects of Ukraine coal industry development until 2020. Methods. Complex analysis of data regarding mine productivity, coal reserves, mine funds as well as coal consumption ...
RSS 1.0