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Article

Mining-Induced Seismicity during Development Works in Coalbeds in the Context of Forecasts of Geomechanical Conditions

Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Cracow, Poland
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Academic Editor: Waldemar Korzeniowski
Energies 2021, 14(20), 6675; https://doi.org/10.3390/en14206675
Received: 7 September 2021 / Revised: 30 September 2021 / Accepted: 7 October 2021 / Published: 14 October 2021
(This article belongs to the Special Issue Geomechanics for Energy)
Mining-induced seismicity in the area of development works and proper mining operations is one of the major determinants of the rockburst hazard level in underground mines. Rockburst hazard assessment in Polish collieries is performed by a variety of mining and geophysical methods, including seismic and seismoacoustic techniques, borehole surveys, small diameter drilling, rock strata profiling and analyses of geomechanical properties of rocks, geological structure and geological mining conditions. In the case of zones particularly exposed to potential hazards, it is recommended that analytical or numerical forecasts of the state of stress in the vicinity of workings should be used already at the stage of planning of mining operations. This study summarises the comparative analysis of seismic test data and analytical forecasts of the state of stress in five selected headings in one of the burst-prone collieries within the Upper Silesia Coal Basin in Poland (USCB). As regards the seismic data, duly defined quantitative indicators and energy criteria of the registered seismic activity are recalled in the assessment of rockburst hazard level during the roadheading operations. Analytical simulations utilise a developed geomechanical model and stress–strain relationships stemming from the principles of elastic media mechanics. From the standpoint of mining engineering practice, interpretation of results obtained by the two methods reveals how effective analytical models will be in prognosticating or verification of rockburst hazard conditions. View Full-Text
Keywords: rockburst hazard; mining-induced seismicity; rock mechanics; analytical modelling rockburst hazard; mining-induced seismicity; rock mechanics; analytical modelling
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MDPI and ACS Style

Chlebowski, D.; Burtan, Z. Mining-Induced Seismicity during Development Works in Coalbeds in the Context of Forecasts of Geomechanical Conditions. Energies 2021, 14, 6675. https://doi.org/10.3390/en14206675

AMA Style

Chlebowski D, Burtan Z. Mining-Induced Seismicity during Development Works in Coalbeds in the Context of Forecasts of Geomechanical Conditions. Energies. 2021; 14(20):6675. https://doi.org/10.3390/en14206675

Chicago/Turabian Style

Chlebowski, Dariusz, and Zbigniew Burtan. 2021. "Mining-Induced Seismicity during Development Works in Coalbeds in the Context of Forecasts of Geomechanical Conditions" Energies 14, no. 20: 6675. https://doi.org/10.3390/en14206675

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