pure and applied geophysics

, Volume 136, Issue 1, pp 29–47 | Cite as

The dynamics of rupture in porous media

  • Wojciech Stopiński
  • Aleksandr V. Ponomaryov
  • Vladimir Loś
Article

Abstract

This paper presents a laboratory investigation of electric resistivity parameter for samples subject to loading in automatic press of “INOVA” type. The procedure of automatic quasi-continuous measurements of resistivity is briefly outlined. The distribution of mini-electrodes within the sample is described. Also shown is the manner in which reliability can be improved by increasing the repetition of resistivity measurements (every 7–16 s).

Key words

Rock resistivity measurements laboratory experiments on fracturing rockburst and earthquake precursors mechanical-dynamical phenomena porous media monitoring of stress field changes 

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Copyright information

© Birkhäuser Verlag 1991

Authors and Affiliations

  • Wojciech Stopiński
    • 1
  • Aleksandr V. Ponomaryov
    • 2
  • Vladimir Loś
    • 2
  1. 1.Institute of GeophysicsPolish Academy of SciencesWarsawPoland
  2. 2.Institute of the Earth PhysicsUSSR Academy of SciencesMoscowUSSR

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