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Hydraulic tests of pipes embedded in tunnels or concrete masses

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  • Construction During the Five-Year Plan
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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    It is suggested to extend the requirement of SNiP concerning the conduction of hydraulic tests of steel penstocks to penstocks embedded in rock or concrete.

  2. 2.

    Embedded penstocks should be tested after concreting. It is necessary to examine the steel shell from the inside immediately after emptying.

  3. 3.

    It is recommended to use a test pressure not less than the design pressure.

  4. 4.

    It is necessary to find a grouting method that does not disturb the soundness of the penstock shell.

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Literature cited

  1. A. M. Shor, “Full-scale strength tests of penstock outlets of the Nurek hydroelectric stations,” Gidrotekh. Stroit., No. 1 (1975).

  2. Richtlinien für die Erstellung von stählernen Druckrohrlietungen für Wasserkraftanlager. Verlinigung Deutscher Elektrizitätswerke (VDEWeV). Ausgabe, Frankfurt am Main (1958).

  3. H. Zuger, “Druckschactpanzerung und Verteilleitung des Kopswerks,” Österreichische Zeitschrift für Elektrizitätswirtschaft,23, No. 7 (1970).

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Authors
  1. A. R. Freishist
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  2. Ya. G. Chobanis
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  3. A. M. Shor
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Additional information

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 6, pp. 12–14, June, 1979.

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Freishist, A.R., Chobanis, Y.G. & Shor, A.M. Hydraulic tests of pipes embedded in tunnels or concrete masses. Hydrotechnical Construction 13, 543–546 (1979). https://doi.org/10.1007/BF02305238

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  • DOI: https://doi.org/10.1007/BF02305238

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