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Corrosion Test about Interference of Cathodic Protection Systems in Marine Concrete Structure

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Abstract:

When unprotected structures are nearby to CP systems, interference problems between unprotected and protected structures may be occurred. The stray current interference can accelerate the corrosion of nearby structures. During a recent few decades the protection technologies against stray current induced corrosion have been significantly improved and a number of techniques have been developed. However, there is very limited information in marine environments. In this study, cathodic protection systems installed both the ICCP with Ti-mesh anode and the SACP with zinc anode has been adopted to verify the current influence through laboratory experiment. CP potential and current have been investigated, moreover, 4 hour depolarization test has been involved to reveal the effectiveness of cathodic protection.

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Advanced Materials Research IV View Preview

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Periodical:

Advanced Materials Research (Volume 894)

Pages:

129-133

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.894.129

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Online since:

February 2014

Authors:

Jin A Jeong

Keywords:

Corrosion, Interference, Metal, Resistance, Stray Current, Zinc

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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