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Protection of steel members of headworks from corrosion

Shikhaliev, Yu. Z. / Poletaev, L. N.

Conclusions Corrosion of the inside surfaces of pressure conduits leads to substantial head losses and to wear of these structures. During design and operation of these expensive objects, it is necessary to take measures to protect them from corrosion.The inside surface of pressure conduits and surge towers can be successfully protected by means of cathodic protection. The following protective current densities are recommended: 2.75–3.5 mA/$ dm^{2} $ for the power conduits and 2.25–3.0 to 3.25–4.0 mA/$ dm^{2} $ for surge towers.Tests of cathodic protection on actual objects of headworks show the possibility of its periodic connection.

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Protection of steel members of headworks from corrosion

Shikhaliev, Yu. Z. / Poletaev, L. N.

Conclusions Corrosion of the inside surfaces of pressure conduits leads to substantial head losses and to wear of these structures. During design and operation of these expensive objects, it is necessary to take measures to protect them from corrosion.The inside surface of pressure conduits and surge towers can be successfully protected by means of cathodic protection. The following protective current densities are recommended: 2.75–3.5 mA/$ dm^{2} $ for the power conduits and 2.25–3.0 to 3.25–4.0 mA/$ dm^{2} $ for surge towers.Tests of cathodic protection on actual objects of headworks show the possibility of its periodic connection.

Protection of steel members of headworks from corrosion

Shikhaliev, Yu. Z. / Poletaev, L. N.

Conclusions Corrosion of the inside surfaces of pressure conduits leads to substantial head losses and to wear of these structures. During design and operation of these expensive objects, it is necessary to take measures to protect them from corrosion.The inside surface of pressure conduits and surge towers can be successfully protected by means of cathodic protection. The following protective current densities are recommended: 2.75–3.5 mA/$ dm^{2} $ for the power conduits and 2.25–3.0 to 3.25–4.0 mA/$ dm^{2} $ for surge towers.Tests of cathodic protection on actual objects of headworks show the possibility of its periodic connection.

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Title:

Protection of steel members of headworks from corrosion

Contributors:

Shikhaliev, Yu. Z. (author) / Poletaev, L. N. (author)

Published in:

Hydrotechnical Construction ; 26

Publication date:

1992

ISSN:

DOI:

https://doi.org/10.1007/BF01545048

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Wasserbau , Zeitschrift

Classification:

BKL: 56.30 Wasserbau
Local classification TIB: 770/6550/8000

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