Krzysztof Zakowski, Michal Narozny, Kazimierz Darowicki - Protection of bridges against stray current corrosion  (Vol X, No 1)

Vilnius Gediminas Technical UniversityRiga Technical UniversityTallinn University of TechnologyBaltic Road Association

 

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2015 Impact Factor: 0.519 ©2015 Thomson Reuters, 2015 Journal Citation Report®

ISSN 1822-427X print
ISSN 1822-4288 online
 

 

 
 

"The Baltic Journal of Road and Bridge Engineering"
Vilnius: Technika, 2015, Vol X, No 1, p. 11-16


Krzysztof Zakowski, Michal Narozny, Kazimierz Darowicki

Protection of bridges against stray current corrosion

DOI: 10.3846/bjrbe.2015.02
 
A case study of Siennicki Bridge stray current corrosion hazard is presented. A corrosion risk was caused by incorrectly designed tram line traction which goes over the bridge. No dielectric insulation between running rails and bridge steel construction was used. A variety of protection methods against stray currents are described. Characteristics of the endangered bridge were described. Impressed current cathodic protection system against stray currents was proposed and designed at the Department of Electrochemistry, Corrosion and Materials Engineering, Gdansk University of Technology. Coupon technique measurements and potential measurements were performed to verify the effectiveness of the protection system.
 
Keywords: Steel bridge, reinforced concrete, corrosion, stray current, cathodic protection.

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