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Title: EVALUATION OF GROUT CURTAIN PARAMETERS OF PALCMANSKA MASA DAM FOUNDATION
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EVALUATION OF GROUT CURTAIN PARAMETERS OF PALCMANSKA MASA DAM FOUNDATION
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1314-2704
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English
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19
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1.2
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Statistics analyses confirm that the most common reason of dam failures and accidents is overflow and seepage. The issue of seepage is related to the reliability of the sealing elements in the body and the foundation of the dams. So far, 290 dams have been built in Slovakia, of which 50 are included in the ICOLD register. Most of them have a grout curtain in the foundation. Many of these dams were designed between 1950 and 1980. Lugeon or Jahde's water pressure test criterion was applied to optimize the parameters of grout curtain in this period. Knowledge of the grout curtain optimization criteria has improved over time. Some of the best known are the criteria of Heitfeld, published by Kutzner, C. [1], the criteria of Houlsby A. C. [2] and also the criteria of Verfl, J. [3]. The aim of this paper is the re-evaluation of the grout curtain depth of the concrete gravity dam Palcmanska Masa. The solution is based on the results of the water pressure tests in the dam foundation and the specific parameters of the existing grout curtain. The optimum depth of the grout curtain was calculated in selected profiles using FEM, with respect to the geological conditions. The FEM results are confronted with the existing depth of the grout curtain and also with the criteria of Lugeon, Houlsby and Verfl.
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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223-230
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30 June - 6 July, 2019
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website
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cdrom
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5074
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grout curtain; water pressure test; FEM
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