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Electrolytic corrosion of water pipeline system in the remote distance from stray currents– case study
Abstract
Case study of corrosion failure of urban water supply system caused by the harmful effects of stray currents was presented. The failure occurred at a site distant from the sources of these currents namely the tramway and railway traction systems. Diagnosis revealed the stray currents flow to pipeline over a remote distance of 800 ÷ 1,000 meters from the point of failure. At the point of failure stray currents flowed from the pipeline to the ground through external insulation defects, causing the process of electrolytic corrosion of the metal. Long distance between the affected section of the pipeline and the sources of stray currents excludes the typical protection against stray currents in the form of electrical polarized drainage. Corrosion protection at this point can be achieved by using the earthing electrodes made of magnesium, which will also provide cathodic current protection as galvanic anode.
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Authors (7)
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Maciej Gruszka dr inż.
- . .
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Jacek Banas
- . .
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
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Case Studies in Construction Materials
no. 4,
pages 116 - 124,
ISSN: 2214-5095 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Żakowski K., Darowicki K., Orlikowski J., Jażdżewska A., Krakowiak S., Gruszka M., Banas J.: Electrolytic corrosion of water pipeline system in the remote distance from stray currents– case study// Case Studies in Construction Materials. -Vol. 4., (2016), s.116-124
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.cscm.2016.03.002
- Verified by:
- Gdańsk University of Technology
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