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The problem of water permeability in dam geology

Le probleme de la permeabilite a l'eau dans la geologie des barrages

  • 26e Congrès Géologique International Paris, France, 7–17.07.1980
  • 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 several decades packer tests (LUGEON) have been used as the most important method to check the water permeability of rock masses at dam sites. The report deals with technical difficulties frequently observed during the performance of the test and with possible interpretations of the results. Special attention is paid to deformation and erosion phenomena and to the effects of long-term tests. Furthermore, the importance of packer tests for the assessment of water losses, of foundation water pressures and erosion will be discussed.

Résumé

Depuis plusieurs décades on a utilisé des essais de charge (LUGEON) comme la plus importante méthode pour tester la perméabilité à l'eau des massifs rocheux sur les sites de barrage. Cet article traite des difficultés techniques fréquemment observées durant la mise en œuvre des essais et des interprétations possibles des résultats. On a porté une attention spéciale aux phénomènes de déformation et d'érosion et aux effets des tests à long terme. En outre, on discutera de l'importance des tests de charge pour l'évaluation des pertes en eau, des sous pressions et de l'érosion.

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Authors and Affiliations

  1. Department of Engineering Geology and Hydrogeology, Aachen Technical University, Aachen, Germany

    Heitfeld K. H. & Krapp L.

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  1. Heitfeld K. H.
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  2. Krapp L.
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Heitfeld, K.H., Krapp, L. The problem of water permeability in dam geology. Bulletin of the International Association of Engineering Geology 23, 79–83 (1981). https://doi.org/10.1007/BF02594730

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