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Electrolytic corrosion of water pipeline system in the remote distance from stray currents—Case study AITranslate

Krzysztof Zakowski​; Kazimierz Darowicki​; Juliusz Orlikowski​; Agata Jazdzewska​; Stefan Krakowiak​; Maciej Gruszka; Jacek Banas​;
Gdansk University of Technology; Gdansk University of Technology; Gdansk University of Technology; Gdansk University of Technology; Gdansk University of Technology;MPWIK S.A.(Municipal Waterworks in Cracow), Senatorska 1;AGH University of Science and Technology
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Publisher: Elsevier
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Abstract AITranslate

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 800/1000 m 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.

KeyWords AITranslate

Water pipeline Stray currents Straycurrent corrosion Electrolytic corrosion Cathodic protection Galvanic anode Corrosion diagnosis
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Basic Information:

DOI：https://doi.org/10.1016/j.cscm.2016.03.002

Chinese Library Classification Number:

Citation Information:

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 800/1000 m 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.

quote

GB/T 7714-2015 [1] Krzysztof Zakowski​, Kazimierz Darowicki​, Juliusz Orlikowski​, et al. Case Studies in Construction Materials, 2016(4). DOI:10.1016/j.cscm.2016.03.002.
MLA [1] Krzysztof Zakowski​, et al., Case Studies in Construction Materials, no. 4, 2016, https://doi.org/10.1016/j.cscm.2016.03.002.
APA [1] Krzysztof Zakowski​, Kazimierz Darowicki​, Juliusz Orlikowski​, Agata Jazdzewska​, Stefan Krakowiak​, Maciej Gruszka, & Jacek Banas​. (2016). Case Studies in Construction Materials(4). https://doi.org/10.1016/j.cscm.2016.03.002
IEEE [1] Krzysztof Zakowski​, Kazimierz Darowicki​, Juliusz Orlikowski​, Agata Jazdzewska​, Stefan Krakowiak​, Maciej Gruszka, and Jacek Banas​, Case Studies in Construction Materials, no. 4, 2016, doi: 10.1016/j.cscm.2016.03.002. keywords: {Water pipeline;Stray currents;Straycurrent corrosion;Electrolytic corrosion;Cathodic protection;Galvanic anode;Corrosion diagnosis}