АНАЛИЗ РЕЗУЛЬТАТОВ СЕЙСМОАКУСТИЧЕСКОГО МОНИТОРИНГА МАССИВА  НИКОЛАЕВСКОГО РУДНИКА ПО ДАННЫМ АВТОМАТИЗИРОВАННОЙ СИСТЕМЫ КОНТРОЛЯ ГОРНОГО ДАВЛЕНИЯ

Mikhail A. Lomov

doi:10.25635/2313-1586.2026.01.057

Authors

Mikhail A. Lomov

DOI:

https://doi.org/10.25635/2313-1586.2026.01.057

Keywords:

geomechanics, rock pressure, state of stress, rock bursts, prediction, methods, control

Abstract

In conditions of depletion of mineral reserves at shallow depths, the global mining industry is forced to move to the development of deep-lying deposits. The main challenge to safety at deep horizons is the growth of geodynamic activity. Despite technological progress, the problem of sudden dynamic manifestations of rock pressure remains unresolved, requiring a transition from static assessments to real-time risk analysis.
The purpose of this work is to increase the safety of underground mining at the Nikolaevsky field through a detailed interpretation of data from the automated rock pressure monitoring system "Prognoz-ADS". In April 2025, the first stage of the observation network of 20 sensors was launched, covering horizons 348-446 m and the active fault zone TN-3. The article presents the results of the analysis of 967 acoustic events recorded in the period from April to December 2025. Special attention is paid to the study of a large rock impact with an energy of 71 kJ that occurred in the OPB block at the intersection of tectonic faults. The dynamics of acoustic emis-sions were compared with the volumes of mining operations in the Vostok-1 and Kharkiv ore zones, as well as with the regional seismic situation within a radius of 500 km, including the Sea of Japan.
The study has established that the distribution of events in time has a wave-like character. Statistical analysis showed a weak correlation of in-mines events with regional natural seismicity. At the same time, a stable relationship with man-made factors was revealed: peaks of acoustic activity correlate with changes in the intensity of mining operations. It has been confirmed that most of the events are concentrated in zones of geological heterogeneities. The data obtained indicate the effectiveness of the implemented system for detecting potential impact hazards and substantiate the need for further expansion of the geophone network.

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