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Seismo-acoustic events, so-called ''detonations'', which had been measured in underground experiments in a bituminous coal seam in the Ruhr district, were analysed particularly with respect to focus parameters. It was found that the seismo-acoustic events result in all probability from shear fractures. The structures of the seismograms could be explained by regarding the seam as a wave conductor satisfactorily. The possibilities of position fixing were investigated with concern to future measurements. (ERA citation 09:008657)
Seismo-acoustic events, so-called ''detonations'', which had been measured in underground experiments in a bituminous coal seam in the Ruhr district, were analysed particularly with respect to focus parameters. It was found that the seismo-acoustic events result in all probability from shear fractures. The structures of the seismograms could be explained by regarding the seam as a wave conductor satisfactorily. The possibilities of position fixing were investigated with concern to future measurements. (ERA citation 09:008657)
Investigations of Seismoacoustic Events in a Bituminous Coal Seam of the Ruhr District
D. Stoll (author)
1982
106 pages
Report
No indication
English
Geology & Geophysics , Mineral Industries , Coal Seams , Black Coal , Coal Mining , Data Acquisition , Data Processing , Detonations , Federal Republic of Germany , Reviews , Rock Bursts , Seismic Events , Seismographs , Signals , Stresses , Underground Mining , Underground Space , Foreign technology , ERDA/580203 , ERDA/012000
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