Probabilistic seismic hazard evaluation in underground mines |
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| Authors: | Ewa G?Owacka |
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| Institution: | (1) Centro de Investigación Cientifica y de Educación Superior de Ensenada (CICESE), Apdo., Postal 2732, 22830 Ensenada, Baja California, Mexico |
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| Abstract: | Stress concentrations produced by rock deformation due to extraction in underground mines induce seismicity that can take the shape of violent and quite dangerous rockbursts.The hazard evaluation presented in this paper is based on a Bayesian probabilistic synthesis of information determined from mining situations during excavation, with previous and present data from microseismicity and seismoacustics.The method proposed in this study is an example of  time-dependent on-line seismic hazard evaluation. All results presented were obtained retrospectiely for different underground coal mines in Poland and Czechoslovakia.On leave from Institute of Geophysics, Polish Academy of Sciences 01-452 Warszawa, ul. Ksiecia Janusza 64, Poland. |
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| Keywords: | Induced seismicity time-dependent seismic hazard rockburst coal mines Poland Czechoslovakia |
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