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Seismic stability of a concrete gravity dam having a lightweight profile

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    The developed model material and method of investigation make it possible to solve successfully problems of the nonlinear behavior of structures under dynamic and static loads on relatively small models.

  2. 2.

    The most “dangerous” zone in a seismic respect is the zone of the upper quarter of the dam within which failure of both the monolithic and block models occurred.

  3. 3.

    For the investigated compressed profile of dams with a limited number of horizontal joints their presence substantially reduces the bearing capacity of the dam. In the present investigations the safety factor decreased by a factor of about 2.8.

  4. 4.

    Strengthening of the upper third of the dam by reinforcement or stressed anchors makes it possible to double the bearing capacity of the structure.

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Literature cited

  1. S. A. Berezinskii and A. S. Pigalev, “Possible trend for improving gravity-dam designs on rock foundations,” Gidrotekh. Stroit., No. 5 (1976).

  2. N. P. Rozanov, G. M. Kaganov, and V. L. Cherayavskii, “Investigation of heavy materials for dynamic tests of models of hydraulic structures,” in: Trans. of the Joint Conf. on Hydr. Eng., No. 64, Dynamics of Hydraulic Structures [in Russian], Part II, Naukova Dumka, Kiev (1972).

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  3. B. M. Bakhtin et al., “Investigation of the seismic stability of hydraulic structures on models of ‘equivalent material,’” Tr. MGMI, Gidrotekh. Sooruzh., Moscow, No. 58 (1978).

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  4. P. I. Gordienko, G. É. Shablinskii, F. D. Konovalov, and A. P. Merkin, Inventor's Certificate 321497 (USSR) “Binding Material,” Byull. Izobret., No. 35 (1971).

  5. V. M. Lyatkher and I. V. Semenov, “Investigation of the seismic stability of a lightweight concrete gravity dam,” Gidrotekh. Stroit., No. 3 (1977).

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Authors
  1. B. M. Bakhtin
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  2. V. I. Dumenko
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Additional information

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 5, pp. 17–21, May, 1979.

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Bakhtin, B.M., Dumenko, V.I. Seismic stability of a concrete gravity dam having a lightweight profile. Hydrotechnical Construction 13, 445–450 (1979). https://doi.org/10.1007/BF02309318

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  • DOI: https://doi.org/10.1007/BF02309318

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