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Experience in using string systems as horizontal displacement meters during observations of deformations of hydraulic structures at the Sayano-Shushenskoe hydroelectric station

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    The systems of elongated triangles located at elevations 413, 467, and 344 m do not give reliable results, as a consequence of which they cannot be used as horizontal displacement meters.

  2. 2.

    The displacements of the ends of the adits recorded from the NET readings are a consequence of measurement errors.

  3. 3.

    The use of string systems as horizontal displacement meters of hydraulic structures can be used only with their complete protection from airflows, which is practically impossible to do.

  4. 4.

    The use of 3-m invar bars, used as meters of the small sides of the NET, for determining deformations of concrete and bank adits is possible.

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References

  1. Program of On-Site Geodetic Observations of Deformations of the Main Structures of the Sayano-Shushenskoe Hydrostation [in Russian], Lengidroproekt, Leningrad (1975).

  2. I. I. Sadovskii, “One of the methods of calculating a traverse run without measuring adjoining angles,”Geod. Kartogr., No. 1 (1974).

  3. Technical Reports on the Results of On-Site Geodetic Observations of Deformations of the Main Structures of the Sayano-Shushenskoe Hydrostation [in Russian], Gidroproekt, Leningrad (1985–1995).

  4. High-Precision Geodetic Measurements for Construction and Installation of the Large Serpukhov Accelerator [in Russian], Nedra, Moscow (1968).

  5. Technical Report on the State of the Hydraulic Structures and Foundation of the Sayano-Shushenskoe Hydrostation [in Russian], Sayano-Shushenskoe Hydrostation (1996).

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Authors
  1. N. I. Stefanenko
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Additional information

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 9, pp. 52–54, September, 1998.

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Stefanenko, N.I. Experience in using string systems as horizontal displacement meters during observations of deformations of hydraulic structures at the Sayano-Shushenskoe hydroelectric station. Hydrotechnical Construction 32, 532–535 (1998). https://doi.org/10.1007/BF02443672

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  • DOI: https://doi.org/10.1007/BF02443672

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