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Establishing conditions of equilibrium of landslides in dam reservoirs by means of the geoacoustic (rock noise) method

Determination de l'etat equilibre des glissements dans des reservoirs de barrages par la methode geoacoustique

  • IAEG Symposium “Engineering Geological Problems in Hydrotechnical Contruction”, Tbilisi (USSR), 12–19 September 1979
  • Problems Related to Mass Movements in Contruction and Operation of Dams and Seservoirs Panel Report
  • Published:
Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur Aims and scope Submit manuscript

Summary

For determination of the equilibrium state of landslides the geoacoustic (rock noise) method was used. The landslides in the reservoirs of Šance Dam (Czechoslovakia) and Tablachaca Dam (Peru) were used for pilot studies. The results show that the geoacoustic method is suitable for detecting the transition from stable to unstable state almost immediately during the change of the state. By determining the equilibrium state, the true values of data influencing the back calculation of shear strength on the known slip surface can be established.

Résumé

Pour déterminer les conditions de l'équilibre des glissements nous avons utilisé la méthode géoacoustique. Les glissements dans les réservoirs des barrages de Šance (Tchéchoslovaquie) et de Tablachaca (Pérou) ont été vérifiés par cette méthode. Les résultats ont montré qu'on peut déterminer par la méthode géoacoustique le moment du dépassement de la limite entre la position stable et instable, presqu'immédiatement au moment de ce changement. De cette façon on peut déterminer les valeurs réelles des conditions limites pour des calculs rétrogrades de la résistance au cisaillement sur la surface connue.

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References

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Authors and Affiliations

  1. c/o Geotest n. p., Gottwaldova 203 b, CS 70900, Ostrava, Czechoslovakia

    Novosad S. dipl. Ing. CSc

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  1. Novosad S. dipl. Ing. CSc
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Novosad, S. Establishing conditions of equilibrium of landslides in dam reservoirs by means of the geoacoustic (rock noise) method. Bulletin of the International Association of Engineering Geology 20, 138–144 (1979). https://doi.org/10.1007/BF02591265

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  • DOI: https://doi.org/10.1007/BF02591265

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