Observation of slow dynamics effects in nonconsolidated media under in situ conditions |
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| Authors: | V S Averbakh A V Lebedev A P Maryshev and V I Talanov |
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| Institution: | (1) Institute of Applied Physics, Russian Academy of Sciences, ul. Unl’yanova 46, Nizhni Novgorod, 603950, Russia |
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| Abstract: | Reactions of an unconsolidated medium to a strong impact action are considered. A character of medium relaxation was controlled based on changes in the phase velocity of a trial Rayleigh wave. The analysis of the R-wave dispersion and its dependence on the distance to the source allowed for estimating the dimensions of a space region where the impact action was revealed. Seismoacoustic measurements showed that the time dependence of the R-wave is logarithmic. |
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