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Analysis of the interaction of a concrete dam and nonhomogeneous joint-block rock foundation

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  • At the Construction Projects of the Five-Year Plan
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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    The current level of development of engineering geology and rock mechanics makes possible developing geomechanical models of real rock foundations with a high degree of detail.

  2. 2.

    The organization of cyclic calculations of the dam-foundation system by the finite element method with a high degree of detail of the calculation scheme permits determining its stress-strain state with consideration of the characteristics of its structure and state and properties of the materials in the dam and foundation and processes of local fracture in individual segments of the region. In this connection the detail of schematization of the foundation acquires special importance.

  3. 3.

    The given data indicate the opportuneness and need to change from traditional methods of analyzing the interaction of a dam and rock foundation schematized as a continuous homogeneous, inhomogeneous, or regular block model to cyclic calculations by the finite element method with representation of rock foundations in the form of inhomogeneous joint-block media.

  4. 4.

    A series of cyclic calculations with different indices of the deformation and strength properties of the foundation rocks, taking into account their possible errors when developing a geomechanical model, or engineering measures (sealing joints, grouting, etc.), will enable designers to make optimal design decisions.

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Literature cited

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Authors
  1. S. B. Ukhov
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  2. V. V. Semenov
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  3. P. B. Kotov
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  4. N. N. Shevarina
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Additional information

Translated from Gidrotechnicheskoe Stroitel’stvo, No. 9, pp. 27–32, September, 1978.

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Ukhov, S.B., Semenov, V.V., Kotov, P.B. et al. Analysis of the interaction of a concrete dam and nonhomogeneous joint-block rock foundation. Hydrotechnical Construction 12, 898–906 (1978). https://doi.org/10.1007/BF02322087

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  • DOI: https://doi.org/10.1007/BF02322087

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