Conclusions
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1.
At present there are no grounds to expect reaching a limit state for the powerhouse of the Kama hydrostation in the near future.
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2.
The small effectiveness of the grout curtain is noted. Grouting works should continue.
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3.
Serious hydrogeological investigations are needed for explaining the cause of the anomalously low heads of ground-waters on the right bank (lower than the lower pool).
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4.
The correctness of the decision about disconnecting the vertical drainage is confirmed. Its operation increases water exchange between horizons and can accelerate dissolution of gypsum.
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Literature cited
L. Lukner and V. M. Shestakov, Modeling of Groundwater Flow [in Russian], Nedra, Moscow (1976).
G. K. Mamenko, “The Kama dam on the Kama River,” in: Geology and Dams [in Russian], Vol. 5, Énergiya, Moscow, (1967).
Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 7, pp. 39–42, July, 1990.
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Shestopal, A.O., Sinyavskaya, A.A. & Kushlin, V.V. Investigation of the seepage regime in the foundation of the kama hydroelectric station on a three-dimensional model. Hydrotechnical Construction 24, 475–479 (1990). https://doi.org/10.1007/BF01435429
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DOI: https://doi.org/10.1007/BF01435429