Tytuł artykułuSeismicity and Rock Burst Hazard Assessment in Fault Zones: a Case Study
Tytuł czasopismaArchives of Mining Sciences
Słowa kluczowerockburst ; seismic events ; longwall panel ; underground mining
Wydział PANNauki o Ziemi
Archives of Mining Sciences (AMS) publish research results of wide interest in all fields of mining sciences which include: rock mechanics, mining engineering, mineral processing, geotechnical engineering and tunnelling, mining and engineering geology, minig geodesy and geophysics, ventilation systems, environmental protection in mining and economical aspects in mining.
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The coal exploitation in the Upper Silesia region (along the Vistula River) triggers the strata seismic
activity, characterized by very high energy, which can create mining damage of the surface objects, without
any noticeable damages in the underground mining structures. It is assumed that the appearance of the
high energy seismic events is the result of faults’ activation in the vicinity of the mining excavation. This
paper presents the analysis of a case study of one coal mine, where during exploitation of the longwall
panel no. 729, the high energy seismic events occurred in the faulty neighborhood. The authors had analyzed
the cause of the presented seismic events, described the methods of energy decreasing and applied
methods of prevention in the selected mining region. The analysis concluded that the cause of the high
energy seismic events, during the exploitation of the longwall panel no. 729 was the rapid displacements
on the fault surface. The fault’s movements arose in the overburden, about 250 m above the excavated
longwall panel, and they were strictly connected to the cracking of the thick sandstone layer.
WydawcaCommittee of Mining PAS
TypArtykuły / Articles