Physical modeling of seismic source generation in failure of fault asperities |
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| Authors: | V V Ruzhich S G Psakhie E N Chernykh E V Shilko E A Levina E I Ponomareva |
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| Institution: | 1.Institute of the Earth’s Crust, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia;2.Institute of Strength Physics and Materials Science, Siberian Branch,Russian Academy of Sciences,Tomsk,Russia;3.National Research Tomsk State University,Tomsk,Russia;4.National Research Tomsk Polytechnic University,Tomsk,Russia |
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| Abstract: | A series of full-scale experiments was performed to study the influence of impact loads on the parameters of seismic vibrations initiated in variable friction. The study was conducted on a test setup Tribo which is a movable concrete slab modeling an allochthon on a rough plane of the Angara fault segment in Baikal region. Contact interactions of asperities in the slip zone were recorded using strain and load measuring equipment and four seismic stations Baykal-7HR widely used for recording earthquakes. The proposed physical modeling method and obtained results can be of interest for the development of new physical models of differently scaled sources of seismic energy dissipation in tectonic faults and can be useful for seismological studies, related data interpretation, and improvement of extended forecast of rock bursts and earthquakes. |
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