Volume 14, Issue 1
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Identifying sources of coal spontaneous heating in mine workings using aerogas control automatic systems
(National Mining University, 2020-03-30)Purpose. Substantiation of the possibility for expanding the modern Aerogas Control (AGC) systems functions when using them to identify the processes of spontaneous heating, spontaneous ignition of coal and gas contamination ... -
Influence of composite slope geometrical parameters on soft rock slope stability
(National Mining University, 2020-03-30)Purpose. To analyze the key parameters influencing the stability of a composite soft rock slope. Methods. Description of the key geometrical parameters of a composite slope and their influence on soft rock slope stability. ... -
Determining and determinable factors influencing the size of zone of land-use restriction
(National Mining University, 2020-03-30)Purpose. Identification and systematization of determining and determinable factors that affect the size of land use restriction zones to ensure both the legal component of land rights and the well-being of society as a ... -
Adaptive control of drilling by identifying parameters of object model under nonstationarity conditions
(National Mining University, 2020-03-30)Purpose. The research is intended to investigate and synthesize adaptive control over drilling by identifying parameters of an object model under non-stationarity conditions. Methods. Under conditions of rapidly changing ... -
Stability assessment of the slopes and side-hills with account of the excess pressure in the pore liquid
(National Mining University, 2020-03-30)Purpose. The strength criteria substantiation of water-saturated soils and mine rocks, which make it possible to obtain the analytical solutions necessary for determining the stability of water-flooded soil slopes and ... -
The octahedral concept and cubic triaxiality in assessment of secondary stress state
(National Mining University, 2020-03-30)Purpose. The opportunities offered by rock mechanics as a science are not fully and efficiently applied in the design and assessment of underground constructions performed in salt massifs, especially in the efficient design ... -
Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ... -
Origin of barite deposits in dolomite-limestone units, Gazipasa, Eastern of Antalya: geology, geochemistry, statistics, sulfur isotope composition
(National Mining University, 2020-03-30)Purpose. Gazipasa region is one of the most important barite mineralization of Turkey. To investigate the main origin properties of Gazipasa barite deposits, conditions of their genesis and occurrence. Methods. To ... -
Parameters determination of hydromechanization technologies for the dumps development as technogenic deposits
(National Mining University, 2020-03-30)Purpose. Determination and substantiation of the hydromechanization technologies parameters and the hydraulic transport operation modes for mining the technogenic deposits formed as a result of the enrichment waste storing ... -
Determining patterns of the geomechanical factors influence on the fastening system loading in the preparatory mine workings
(National Mining University, 2020-03-30)Purpose. Substantiation of calculating the rational parameters of reaction and yielding property of the fastening system in the preparatory mine workings. Methods. The stress-strain state analysis of the “massif – support” ... -
Experimental research into the effect of some operation factors and rock properties on the rate of penetration
(National Mining University, 2020-03-30)Purpose. The purpose of this research is to investigate the effect of weight on bit (WOB), rotary speed (RPM), and some rock properties on the rate of penetration (ROP). Methods. Four types of rock were collected from ... -
Solution of the problem to optimize two-stage allocation of the material flows
(National Mining University, 2020-03-30)Purpose is to elaborate innovative and computationally efficient algorithm to solve a problem of two-stage allocation of the resource occupying continuously the specified area as well as to demonstrate the behaviour of the ... -
Research into limits of gas-fired burners flame stabilization in the flue gas recirculation
(National Mining University, 2020-03-30)Purpose. Determining the flue gas recirculation effect on the verge of the gas-fired burners flame stabilization based on experimental industrial research. Methods. The studies were conducted on a circular heating furnace ... -
Use of the TOPSIS technique to choose the best supplier of quarry natural aggregate
(National Mining University, 2020-03-30)Purpose. All over the world, natural substance – the most consumed after water – is the aggregate. The aim of this paper is to select the best supplier of Quarry Natural Aggregate (QNA). Methods. Selection of the best ... -
Applied scientific and systemic problems of the related ore-dressing plants interaction in the event of decommissioning the massif that separates their quarries
(National Mining University, 2020-03-30)Purpose. Determining the possible and substantiating expedient alternate design and engineering decisions regarding the stage of spacial union of the adjacent quarries belonging to various owners by mining the rock pillar ...
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