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Acoustic emission during different-type inter-block movements

  • Geomechanics
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Journal of Mining Science Aims and scope

Abstract

The article reports the lab experimentation on seismic/acoustic emission during different-type inter-block movements of rock mass. The fact that co-seismic displacement under induced earthquakes occurs along the existing interfaces is the basis for relatively simple tests on a slip-model plant. Using different materials as fracture fillers allowed modeling entire range of probable deformation modes. The deformation modes are conditionally grouped as creep or steady-state slip, unsteady-state slip and regular discontinuous slip or stick-slip. The authors show that statistics of acoustic emission during slip is described using the Gutenberg–Richter law. The strongest “representative” events under shearing occur quasiregularly, with probability much higher than follows from G–R law. The functional relation is found between the acoustic emission energy and the shear velocity.

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Authors and Affiliations

  1. Institute of Dynamics of Geopsheres, Russian Academy of Sciences, Leninskii pr. 38, Bld. 1, Moscow, 119334, Russia

    G. G. Kocharyan & A. A. Ostapchuk

  2. Moscow Physico-Technical University, Institutskii per. 9, Dolgoprudny, 141700, Russia

    G. G. Kocharyan

Authors
  1. G. G. Kocharyan
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  2. A. A. Ostapchuk
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Correspondence to G. G. Kocharyan.

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Original Russian Text © G.G. Kocharyan, A.A. Ostapchuk, 2015, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2015, No. 1, pp. 3–13.

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Kocharyan, G.G., Ostapchuk, A.A. Acoustic emission during different-type inter-block movements. J Min Sci 51, 1–9 (2015). https://doi.org/10.1134/S1062739115010019

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