Criteria for system assessment of changes in natural and technological systems in subsurface use

Authors: Alenichev V. M.

Mining mining is accompanied by hazardous natural processes and phenomena in geospace. Mineral mining operations intersect zones with significantly different contents, textures and physical and mechanical characteristics of mineral, and hydrogeological and engineering properties of rock mass, which deviate from the average values taken as the source data in the design and substantiation of the internal structure of Geotechnology. For the comparative assessment of changes in natural and technological systems in subsurface use in different periods of time, it is necessary to undertake the comparative analysis of changes in it in the previous time periods. An integrated dimensionless additive indicator is justified for characterizing the actual change in the condition of the system as compared with the previous stage or a reference standard. When deviation is 4–5 %, the changes are considered as insignificant and the current condition of the system is assumed as stable. With deviations by more than 20%, the changes in the mining and technological system are significant and new engineering solutions are required: a project development for modernization, finalization, abandonment or closure of mine, or its re-equipment. If the value of the indicator is in the range of 5–20 %, the options that stabilize the functioning of the natural and technological system are justified by a decision-maker.

Keywords: mining and technological system, condition, deviation, integrated additive indicator, algorithm, change estimation.
For citation:

Alenichev V. M. Criteria for system assessment of changes in natural and technological systems in subsurface use. MIAB. Mining Inf. Anal. Bull. 2021;(5—1):207—216. [In Russ]. DOI: 10.25018/0236_1493_2021_51_0_207.

Acknowledgements:

The study is carried out under State Contract No. AAAA-A19-119020790024-7.

Issue number: 5
Year: 2021
Page number: 207-216
ISBN: 0236-1493
UDK: 622.271.45:519
DOI: 10.25018/0236_1493_2021_51_0_207
Article receipt date: 15.12.2020
Date of review receipt: 18.02.2021
Date of the editorial board′s decision on the article′s publishing: 10.04.2021
About authors:

Alenichev V. M., Dr. Sci. (Eng.), Professor, Chief Researcher, alenichev@igduran.ru, Institute of Mining of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg. Russia.

For contacts:
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