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Current requirements imposed on the contact of gravity and buttress dams with rock foundations

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    The traditional principles of joining concrete dams to rock foundations based on only the concept of shear without consideration of the possibility of other forms of deformation and failure of the foundation do not ensure complete reliability of the structure and sometimes lead to a negative effect.

  2. 2.

    When designing dams it is necessary to examine both shear along weakened surfaces and rotation with rupture of the rock under the upstream face and crushing of the rock foundation (concrete) in the region of the downstream face and on the basis of the results of these calculation to designate measures for joining gravity and buttress dams to the rock foundations.

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Literature cited

  1. Yu. A. Fishman, “State of stress of rock foundations of concrete gravity dams,” Gidrotekh. Stroit., No. 3 (1975).

  2. Yu. A. Fishman, “Calculations of the stability and strength of rock foundations of concrete gravity dams,” Gidrotekh. Stroit., No. 5 (1976).

  3. SNiP II-16-76. Foundations of Hydraulic Structures [in Russian].

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  5. E. M. Dranitsyn, P. P. Mirgorodskii, and A. L. Mozhevitinov, “Effect of inhomogeneties of the deformation characteristics of a foundation on the state of stress of a gravity dam,” in: Collection of Scientific Papers of the Leningrad Polytechnic Institute “Finite-Element Method and Structural Mechanics” [in Russian] (1974).

  6. M. M. Grishin et al., Concrete Dams on Rock Foundations [in Russian], Stroiizdat, Moscow (1975).

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  9. I. A. Konstantinov, “Stresses in the contact zone of high concrete dams,” Tr. Leningr. Politekh. Inst., No. 257 (1965).

  10. Yu. A. Fishman, “Development of rock mechanics and investigations of rock foundations of hydraulic structures in the USSR,” Tr. Gidroproekta, No. 33 (1974).

  11. W. Ter Minassion, F. Sabarly, and P. Zande, “Comment proteger les barrage-voutes contre la pression,” IX Congress des Grands Barrages, Istanbul (1967).

  12. D. D. Sapegin et al., “Investigations of the static work of a rock foundation of a concrete gravity dam,” Izv. VNIIG,124 (1978).

  13. L. N. Pavlovskaya, “Method of substantiating the possibility of dispensing with the construction of a grout curtain in the rock foundation of a concrete dam,” Izv. VNIIG,117 (1977).

  14. F. Lacy and G. Van Schoick, “TVA concrete gravity dams: uplift observations and remedial measures,” IX Congress on Large Dams, Istanbul (1967).

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Authors
  1. Yu. A. Fishman
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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 11, pp. 12–16, November, 1980.

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Fishman, Y.A. Current requirements imposed on the contact of gravity and buttress dams with rock foundations. Hydrotechnical Construction 14, 1120–1125 (1980). https://doi.org/10.1007/BF02307988

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  • DOI: https://doi.org/10.1007/BF02307988

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