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TRANSFORMATION OF THE GEODYNAMIC HAZARD MANIFESTATION FORMS IN MINING AREAS

Andrian Batugin

Abstract

The problems of geodynamic safety assurance in mining are common for many countries with developed mining industries. Considerable results have been achieved in Russia in solving rockburst problem, yet in the last decades this problem is transforming into man-triggered seismicity problem. Induced earthquakes in areas where mines had been flooded, seismic activity in previously safe regions, re-activation of tectonic faults, violent man-triggered earthquakes in open pit operations have been registered. As a matter of fact, a number of mining regions with technogenic seismicity have emerged in Russia, where geodynamic events not only cause financial or physical damage, but also negatively affect the environment, bring about social tension, impose additinal risk for hazardous industrial operations. Manifestation of seismic events at the sites of closed mines, seismic activization of geodynamically hazardous zones including those located at a significant distance from mining activities, anthropogenic earthquake in the vicinity of a large coal pit - all of the above in Kuzbass - are considered in this paper. In this context the centrepiece in geodynamic safety assurance and prevention of geodynamic hazards is geodynamic zoning. Advanced geodynamic monitoring of the rock massif and the earth's surface is required when mining in geodynamically unsafe areas or planning for the re-use of mine workings.

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DOI resolver: doi.org/10.5593/sgem2019/1.3/s03.091

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