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Improving the accuracy of predicting the hazard of the earth’s surface failure formation during underground mining of mineral deposits
(Dnipro University of Technology, 2021-12-30)
Purpose. Development of a new approach to improving the accuracy of predicting situations in which the earth’s surface
failures occur as a result of undermining a rock mass during the development of mineral deposits.
Methods. ...
Optimization study of blasting operations in Roşia Poieni open pit mine, Romania
(Dnipro University of Technology, 2021-12-30)
Purpose. Drilling-blasting technology is one of the simplest and most often used techniques in open pit mining. This allows
the excavation of a large volume of rock and useful mineral substance. The operation of blasting ...
A resource efficient and environmentally safe charge structure for mining in an open-pit
(Dnipro University of Technology, 2021-12-30)
Purpose. The purpose is to reduce mineral losses during the explosive destruction of rocks and environmental pollution by
harmful gases and fine particulate matter.
Methods. To achieve the objectives of the study, methods ...
Petrographic characteristics in the central part of Kosovo
(Dnipro University of Technology, 2021-12-30)
Purpose. This paper aims to provide complete identification of rock types in the Drenas region by detailed description of all
types of the rocks found. The authors intended to determine interruption or continuity of all ...
Identifying the efficiency decrease factor of motors working under power harmornic in 660V electric mining grids
(Dnipro University of Technology, 2021-12-30)
Purpose. Identify the motors efficiency decrease factor corresponding to various values of load-carrying ratio.
Methods. Basing on the onsite measurements of power harmonic in 660V low voltage (LV) grids in Vietnam ...
Granulometric composition research of mine rocks as a material for backfilling the mined-out area in coal mines
(Dnipro University of Technology, 2021-12-30)
Purpose. Determination of the granulometric characteristics and loosening coefficient of mine rocks formed during stope
operations from undercutting the bottom rocks as a potential backfill material based on a set of mine ...
Optimizing the separation characteristics of the waterinjection hydrocyclone using mathematical modelling
(Dnipro University of Technology, 2021-12-30)
Purpose. Although the hydrocyclone separator has many advantages, it still has some limitations which decrease its separation
efficiency in many mineral processing applications because of fine particles which are miss ...