Analysis of receiving antenna configurations in geophone network of Prognoz-ADS system

An important direction of improving Prognoz-ADS geomechanical monitoring system is to enhance accuracy of location of seismoacoustic events. This will increase reliability of predictive estimates in monitoring potentially hazardous areas in rock mass. One of the aspects of achieving this goal is to design an observation network of signal receivers to be the most effective within a specific monitoring site. Another top-priority task is to develop a criterion for the accuracy of location with regard to rock mass heterogeneity based on the quality and quantity of elements included in the observation network. The integrated analysis of all these factors will allow more accurate information about the sources of seismoacoustic signals and can help indirectly assess anisotropy of rock mass by creating a sound-wave propagation velocity model. The article discusses and compares various network configurations, their characteristics and the related problems and solutions. The estimated factors are the mean square error, sensitivity of receivers, their number and arrangement. The research used the dedicated program with generation of artificial data, 3D visualization and statistical calculations.

Keywords: geomechanical monitoring, anisotropic environment, location accuracy, velocity model, seismic and acoustic monitoring, geodynamics, tectonic structure, ground control.
For citation:

Konstantinov A. V., Lomov M. A., Tereshkin A. A., Rasskazov M. I., Tsoi D. I. Analysis of receiving antenna configurations in geophone network of Prognoz-ADS system. MIAB. Mining Inf. Anal. Bull. 2021;(5—2):93—102. [In Russ]. DOI: 10.25018/0236_1493_2021_52_0_93.

Acknowledgements:
Issue number: 5
Year: 2021
Page number: 93-102
ISBN: 0236-1493
UDK: 622.011:539.3
DOI: 10.25018/0236_1493_2021_52_0_93
Article receipt date: 27.01.2021
Date of review receipt: 26.03.2021
Date of the editorial board′s decision on the article′s publishing: 10.04.2021
About authors:

Konstantinov A. V.1, researcher, e-mail: alex-sdt@yandex.ru
Lomov M. A.1, junior researcher;
Tereshkin A. A.1, researcher;
Rasskazov M. I.1, researcher;
Tsoi D. I.1, researcher;
1 Mining Institute of Far Eastern Branch of the Russian Academy of Sciences — a separate division of the Federal Khabarovsk research center, Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, Russia.

 

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