№63-02

Research of development system parameters at carrying out overburden works in conditions of Motronivsko – Annivsky placer deposit 

© B. Sobko¹, V. Kardash¹

¹Dnipro University of Technology, Dnipro, Ukraine

Coll.res.pap.nat.min.univ. 2020, 63:17-25

https://doi.org/10.33271/crpnmu/63.017

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ABSTRACT

The purpose of the research is scientific and technical substantiation of effective parameters of development system for the overburden rock development with different annual overburden volumes distribution and changes in the mining operations front length.

Research methods - theoretical and experimental; methods of statistical and system analysis; method of technical and economic analysis for selection of effective technological schemes of overburden works.

Research results. As a result of the work, the development system parameters analysis for the development of overburden rocks of the titanium-zirconium placer deposit at Motronіvsky GZK was carried out. A comparative technical and economic assessment of possible options for the development of mining operations with different productivity of overburden bucket-wheel complexes, taking into account changes in the mining operation front length. It is established that the reduction of the mining operation front length on the forward overburden bench to a decrease in the productivity of the rotor complex and there is a redistribution of annual overburden volumes, with a decrease in the forward and increase in the second overburden bench, which is above ore.

Scientific novelty. The pattern of development system parameters change and application of mining and transportation complexes of overburden development depending on overburden heights, length of fronts of overburden and mining works, necessary annual movements of mining work front is established.

Practical value. The performed researches allow us to choose a rational variant of mining works development taking into account necessity of planned extraction volumes performance, possible annual productivity of continuous action machines complexes, and taking into account possible distribution of overburden bench heights.

The expected technical and economic effect is expressed in the reduction of the overburden development cost due to the use of an effective overburden mining and technical complex.

Keywords: placer titanium-zirconium deposits, technological schemes, development system parameters, quarry field, working area of a quarry.

References:

1. Novozhilov, M. G. (Ed.). (1971). Tekhnologiya otkrytoy razrabotki mestorozhdeniy poleznykh iskopaemykh. Chast' І. Moskva: Nedra.
2. Sobko, B. Yu. (2008). Udoskonalennia tekhnolohii vidkrytoi rozrobky rozsypnykh tytano-tsyrkoniievykh rud. Dnepropetrovsk: NGU.