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Study of Coal Burst Source Locations in the Velenje Colliery

Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva Street 12, Ljubljana SI-1000, Slovenia
Hydrogeology, Geotechnology, Ecology, Monitoring d.o.o., Zaloška Street 143, Ljubljana SI-1000, Slovenia
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Ivica Ristović
Energies 2016, 9(7), 507;
Received: 26 April 2016 / Revised: 31 May 2016 / Accepted: 24 June 2016 / Published: 30 June 2016
PDF [15678 KB, uploaded 30 June 2016]


The Velenje coal mine (VCM) is situated on the largest Slovenian coal deposit and in one of the thickest layers of coal known in the world. The thickness of the coal layer causes problems for the efficiency of extraction, since the majority of mining operations is within the coal layer. The selected longwall coal mining method with specific geometry, increasing depth of excavations, changes in stress state and naturally given geomechanical properties of rocks induce seismic events. Induced seismic events can be caused by caving processes, blasting or bursts of coal or the surrounding rock. For 2.5D visualization, data of excavations, ash content and calorific value of coal samples, hanging wall and footwall occurrence, subsidence of the surface and coal burst source locations were collected. Data and interpolation methods available in software package Surfer®12 were statistically analyzed and a Kriging (KRG) interpolation method was chosen. As a result 2.5D visualizations of coal bursts source locations with geomechanical properties of coal samples taken at different depth in the coal seam in the VCM were made with data-visualization packages Surfer®12 and Voxler®3. View Full-Text
Keywords: coal burst; mining-induced seismicity; rockburst; Velenje coal mine (VCM) coal burst; mining-induced seismicity; rockburst; Velenje coal mine (VCM)

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Vižintin, G.; Kocjančič, M.; Vulić, M. Study of Coal Burst Source Locations in the Velenje Colliery. Energies 2016, 9, 507.

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