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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Original Russian Text © V.S. Averbakh, A.V. Lebedev, A.P. Maryshev, V.I. Talanov, 2009, published in Akusticheskiĭ Zhurnal, 2009, Vol. 55, No. 2, pp. 208–215.
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Averbakh, V.S., Lebedev, A.V., Maryshev, A.P. et al. Observation of slow dynamics effects in nonconsolidated media under in situ conditions. Acoust. Phys. 55, 211–217 (2009). https://doi.org/10.1134/S1063771009020109
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DOI: https://doi.org/10.1134/S1063771009020109