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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 ...
Research into influence of drilling-and-blasting operations on the stability of the Kusmuryn open-pit sides in the Republic of Kazakhstan
(Dnipro University of Technology, 2021-09-30)
Purpose. Research into influence of drilling-and-blasting operations on the nature of deformation in near-side masses of the
design open-pit contours and assessing the seismic impact of blasting operations, which are the ...
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 ...
Development and testing of an algorithm for calculating the load on support of mine workings
(Dnipro University of Technology, 2021-03-31)
Purpose. The purpose is to develop the calculation methods for minimizing the load on the fastening system of the preparatory
mine working in difficult mining and geological conditions of its maintenance.
Methods. By ...
Operational lifetime increase of the pumping equipment when pumping-out contaminated groundwater
(Dnipro University of Technology, 2021-03-31)
Purpose. Solving the problem of increasing the pumping equipment operational lifetime when pumping-out contaminated
groundwater in the iron-ore industry by extracting the hard, abrasive part, using magnetic filters based ...
Nickel discretization and quality review in Gllavica mine, Kosovo
(Dnipro University of Technology, 2021-03-31)
Purpose. Professional approach to mineral deposit evaluation and estimation of Ni is done by modeling the ore body presenting
the interest zone to be exploited.
Methods. With the intensive development of professional ...