Efficiency estimation procedure of transition processes in hybrid open pit/ underground mining of metal ore deposits

Within the framework of a new methodological approach, consisting in the study of transition processes with the phased technological development of a geotechnical system of a mine, the first steps have been taken to form a methodology for the evaluation of effectiveness of transition processes in the sequential flowchart of hybrid open pit/underground mining of deep-seated ore deposits. The method of integrated qualitative and quantitative analysis of the conditions and factors of initiation and evolution of transition processes is described, including collection, generalization and interpretation of data based on the expert estimate and theoretical analysis. The method is proposed for the structural and functional system analysis of a geotechnical system of a mine during the transition period, based on the study into properties of its subsystems and elements, with regard to their correlation and interdependence. This method allows predicting the main parameters and technical and economic performance that determine effectiveness of transition processes. The procedure is developed for determining the main technical and economic indices and integrated criteria of effectiveness of transition processes in hybrid open pit/underground mining, including economic, social and ecological orientation of the mine production development. The methodology of efficiency evaluation of transition process is a set of the proposed analytical methods and estimation procedures.

Keywords: deep-seated deposit, hybrid open pit/underground mining, geotechnical system, transition process, transition zone, methodology, underground geotechnology, accessing, stoping.
For citation:

Sokolov I. V., Antipin Yu. G., Nikitin I. V. Efficiency estimation procedure of transition processes in hybrid open pit/underground mining of metal ore deposits. MIAB. Mining Inf. Anal. Bull. 2021;(5—1):77—87. [In Russ]. DOI: 10.25018/0236_1493_2021_51_0_77.

Acknowledgements:

The study was carried out under State Contract No. 075-00581-19-00, Topic No. 0405-2019-0005.

Issue number: 5
Year: 2021
Page number: 77-87
ISBN: 0236-1493
UDK: 622.272.06
DOI: 10.25018/0236_1493_2021_51_0_77
Article receipt date: 25.12.2020
Date of review receipt: 22.03.2021
Date of the editorial board′s decision on the article′s publishing: 10.04.2021
About authors:

Sokolov I. V.1, Dr. Sci. (Eng.), full member of the Academy of mining sciences, director;
Antipin Yu. G.1, Cand. Sci. (Eng.), head of the laboratory of underground geotechnology;
Nikitin I. V.1, research worker of the laboratory of underground geotechnology;
1 Institute of Mining of the Ural branch of Russian Academy of Sciences (IM UB RAS), Ekaterinburg, Russia.

 

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