2017
DOI: 10.1515/amsc-2017-0050
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Determination of Elastic Parameters of Near-Surface Layers Over Subsidence Trough Development During Longwall Exploitation

Abstract: Seismic and geodetic studies were carried out before, during, and after underground exploitation of a coal bed in Katowice -Kleofas Coal Mine, located in the Upper Silesia Coal Basin, Poland. Development of a subsidence trough was completed approximately 3 months after passage of a longwall exploitation in the coal seam. This was the time required for the subsidence trough to appear on the surface, which was confirmed by levelling measurements. Sharp changes in the elastic parameters were observed on each prof… Show more

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