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Keywords: waveform
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Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-002
... Upstream Oil & Gas site 2 peak particle velocity unfilled stope seismogram Reservoir Characterization backfilled stope ground motion ground velocity peak ground velocity frequency seismic wave dominant frequency amplitude geophone stope waveform gully seismic event...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-129
... experiments is shown in Fig. 1. Reservoir Characterization axial stress sandstone Kaiser effect rock sample frequency inflection point predominant frequency rock mass initial stress Upstream Oil & Gas acoustic emission specimen loading waveform ae signal waveform signal waveform...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-032
...Rock at Great Depth, Maury & Fourmaintraux (eds), © 1989Balkema, Rotterdam. ISBN 90 61919754 Characterization of acoustic emission waveforms produced by rock during mode I and mode II crack propagation Caracterisation de la forme des andes acoustiques produites par la roche pendant la fissuration...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-204
... seismometers have different frequency characteristics, dissimilarities are produced in waveforms at comparatively high frequency components, while there are also differences in absolute values. Recording is done by oscillographs activated by starters and paper speed is 10 cm/sec. Acceleration records...

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