Improvement of the automated system of geomechanical monitoring and early prevention of dangerous geodynamic phenomena

The developed rockburst hazard deposits of apatite-nepheline ores of the Khibiny massif are characterized by complex geomechanical conditions. For geomechanical monitoring various systems are used (multi-frequency seismic, deformation, etc., recording in real time or discretely various parameters of changes in the stress-strain state of the developed deposits. Including the seismic acoustic rock pressure monitoring system «Prognoz-ADS» developed by the Mining Institute of the Far Eastern Branch of the Russian Academy of Sciences (MI FEB RAS, Khabarovsk). According to the «Prognoz-ADS» system installed in 2020 at the Rasvumchorrsky Mine, an analysis was carried out and a number of the formation patterns of acoustically active zones in places of stress concentration were revealed, allowing to characterize the geomechanical state of impact-prone areas in the rock mass. The MI FEB RAS is constantly working on the modernization and improvement of system components and software, taking into account the current regulatory documents of Rostechnadzor. The first results of seismic acoustic monitoring obtained at present according to the «Prognoz-ADS» system of the Rasvumchorrsky Mine determine a promising range of tasks for the modernization of system elements and its software. Further improvement of the geomechanical monitoring system will allow not only to increase the reliability of forecast criteria, but also to quickly and effectively control and manage geomechanical processes by unloading impact-prone sections of the rock mass at the Rasvumchorrsky Mine when identifying acoustically active zones.

Keywords: rockburst hazardous, technogenic seismicity, seismic acoustic monitoring, events location accuracy, system sensitivity, controlled change of rock mass properties.
For citation:

Rasskazov I.Yu., Fedotova Yu. V., Anikin P. A., Sidlyar A. V., Korchak P. A. Improvement of the automated system of geomechanical monitoring and early prevention of dangerous geodynamic phenomena. MIAB. Mining Inf. Anal. Bull. 2022;(12-1):106-121. [In Russ]. DOI: 10.25018/0236_1493_2022_121_0_106.

Acknowledgements:

The study was carried out using the resources of the Center for Collective Use of Scientific Equipment «Center for Processing and Storage of Scientific Data of the Far Eastern Branch of the Russian Academy of Sciences», funded by the Russian Federation represented by the Ministry of Science and Higher Education of the Russian Federation, project No. 075-15-2021-663.

Issue number: 12
Year: 2022
Page number: 106-121
ISBN: 0236-1493
UDK: 622.831.32
DOI: 10.25018/0236_1493_2022_121_0_106
Article receipt date: 25.03.2022
Date of review receipt: 11.08.2022
Date of the editorial board′s decision on the article′s publishing: 10.11.2022
About authors:

I.Yu. Rasskazov, Corresponding Member of Russian Academy of Sciences, Dr. Sci. (Eng.), Director, Khabarovsk Federal Research Center, Far Eastern Branch of Russian Academy of Sciences, 680000, Khabarovsk, Russia, e-mail: adm@igd.khv.ru, ORCID ID: 0000-0002-2215-6642,
Yu.V. Fedotova1, Cand. Sci. (Eng.), Leading Researcher, e-mail: fjulia@mail.ru, ORCID ID: 0000-0001-8008-9612,
P.A. Anikin1, Cand. Sci. (Eng.), Leading Researcher, e-mail: pav.anik@mail.ru, ORCID ID: 0000-0003-3694-6044,
A.V. Sidlyar1, Cand. Sci. (Eng.), Researcher, e-mail: alex-igd@mail.ru, ORCID ID: 0000-0002-9619-4334,
P.A. Korchak, Head of Service for Predicting and Prevention of Rock Bursts, Chief Engineer Office, Kirovsk Branch of Apatit JSC, 184250 Kirovsk, Russia, e-mail: pkorchak@phosagro.ru, ORCID ID: 0000-0002-8641-8971,
1 Mining Institute, Far Eastern Branch of Russian Academy of Sciences, 680000, Khabarovsk, Russia.

 

For contacts:

Yu.V. Fedotova, e-mail: fjulia@mail.ru.

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