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Journal of Mining Sciences

2015 year, number 2

Heat Effect in Mechanical Excitation of Seismic Waves

Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090 Russia
Keywords: temperature monitoring, seismo-thermal effect, heating velocity, dissipation, vibration source, vibrational impact, sweep signal, frequency-energy characteristic


The authors analyze seismo-thermal effect (STE) that is the internal heating of ground under the action of external vibration and impulse mechanical oscillation within a frequency range from units to hundred of hertz. It is found the STE has some general features such as “fatigue,” relaxation and freezing. The article reports long-term temperature monitoring under a platform of a periodically actuated vibration source. The empirical relationship for the level of STE and the depth below the vibration source platform is offered, and the interconnection of the STE level and the vibration power is shown.