Search
Now showing items 1-10 of 335
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 ...
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 ...
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 ...
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 ...
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. ...
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” ...
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 ...
Кінетика тріщини в ізотропній пластині змінної товщини
(Національний технічний університет «Дніпровська політехніка», 2020)
Дослідження впливу змінності товщини пластини з тріщиною на кінетику крихкого
руйнування.