The Coulostatic Method for Evaluating Corrosion in Reinforced Concrete

Authors

Yong tao ZHAO, Qingdao Branch of Luoyang Ship Material Research Institute, Qingdao 266071, China;
Jian hua WU, Qingdao Branch of Luoyang Ship Material Research Institute, Qingdao 266071, China;
Chang-jiu ZHAO, Dept. of Chem. of Hunan Univ. Changsha 410082, China

Abstract

In the present paper, the application of the coulostatic method to the corrosion of steel in concrete was reviewed. By comparing with other electrochemical techniques, the results obtained in the previous work reveal that the coulostatic method is an interesting alternative to the usual procedures for estimation of corrosion rate, and is better than them in some respects. The main advantages are as follows. The signal to be used can be instantaneous and as small as desired, so the electrode is minimally perturted during the measuring process. In addition, it is as rapid and quantitative, and at least as reliable due to the lower risk of the electrode being perturted. All of those factors are shown that the coulostatic method may be a good tool to assess the corrosion information of steel in concrete, however it still has some difficulties to apply in_situ. Furthermore, some suggestions on developing were also put forword.

DOI Link

https://doi.org/10.61558/2993-074X.3266

Publication Date

2001-08-28

Online Available Date

2001-08-28

Revised Date

2001-08-28

Received Date

2001-08-28

Recommended Citation

Yong tao ZHAO, Jian hua WU, Chang-jiu ZHAO. The Coulostatic Method for Evaluating Corrosion in Reinforced Concrete[J]. Journal of Electrochemistry, 2001 , 7(3): Article 18.
DOI: 10.61558/2993-074X.3266
Available at: https://jelectrochem.xmu.edu.cn/journal/vol7/iss3/18

References

[1]　GewertzMW ,etal.CauseandRepairofDeteriorationtoaCaliforniaBridgeDuetoCorrosionofReinforcingSteelinMarineEnvironment,Bulletion,No.182,HighwayResearchBoard,CalifoniaUSA ,1958.

[2]　DawsonJL .CorrosionofReinforcingSteelsinConcreteConstruction[M ].Chichester:EllisHorwook,1983.

[3]　DawsonJL .Corrosion’78NACEHouston.1978.125.

[4]　GonzalezJA ,etal.Errorsintheelectrochemicalevaluationofverysmallcorrosionrates_II.Otherelectro chemicaltechniquesappliedtocorrosionofsteelinconcrete[J].CorrosionScience,1985,25(7):519.

[5]　MatsuokaK ,etal.CorrosionRatesofSteelinConcrete.ASTMSTP 1065.1990.

[6]　MillardS ,etal.InternationalInternationSymposiumNon_DestructiveTestinginCivilEnqineering(NDTCE),1995.121.

[7]　ZhaoYongtao,etal.Corrosionofreinforcingsteelsinconcreteconstructionanditsevaluation[J].SichuanChemicalIndustryandCorrosionControl,1999,2(6):24.

[8]　RodriguezP ,etal.Methodforstudyingcorrosioninreinforcedconcrete[J].MagazineofConcreteResearch,1994,46(167):81.

[9]　BarkerGC .InTrans.Symp.ElectrodeProc.[M].Philelphia,1959(YeagerE .Ed.),NewYork:Wiley,1961

[10]　KannoK ,etal.Anapplicationofcoulostaticmethodforrapidevaluationofmetalcorrosionrateinsolution.[J].J.Electrochem.Soc.,1978,125:1389.

[11]　KannoK ,etal.Tafelslopedeterminationofcorrosionreactionbythecoulostaticmethod[J].CorrosionSci ence,1980,20:1059.

[12]　HongDinghai.CorrosionandCorrosionProtectionofSteelinConcrete[M ].Beijing:ChineseRailwayIn dustryPress,1998.

[13]　ElsenerB ,etal.Galvanostaticpuslemeasurements,Rapidon_sitecorrosionmonitoring,Proc.ofInter.Conf.onCorrosionandCorrosionProtectionofSteelinConcrete[C].ED .bySwamyRN ,Univ.ofSheffied,UK ,1994.236.

[14]　NewtonCJ ,etal.Agalvanostaticpulsetechniqueforinvestigationofsteelcorrosioninconcrete[J].Corro sionScience,1988,28(11):1051.

[15]　ZhaoYongtao,etal.Monitoringofcorrosionbehaviorsoftherebarimmersedinsimulatedporesolutionsofconcretebythecoulostaticmethod[J].DevelopmentandApplicationofMaterials,2000,15(1):25.

[16]　RodriguezP ,etal.Useofthecoulostaticmethodformeasuringcorrosionratesofembeddedmetalincon crete[J].MagazineofConcreteResearch,1994,46(167):91.

[17]　GlassGK ,etal.Theanalysisofpotentiostatictransientsappliedtothecorrosionofsteelinconcrete[J].CorrosionScience,1997,39(9):1657.

[18]　GlassGK ,etal.Anassessmentofthecoulostaticmethodappliedtothecorrosionofsteelinconcrete[J].CorrosionScience,1995,37(4):597.

[19]　HassaneinAM .Theuseofsmallelectrochemicalperturbationstoassessthecorrosionofsteelinconcrete[J].NDT&EInternational,1998,31(4):265.

[20]　GlassGK ,etal.Obtainingimpedanceinformationonthesteel_concreteinterface[J].Corrosion,1998,54(11):887.

[21]　ZhaoChangjiu.TheCoulostaticTechnologyanditsApplicationinCorrosionMeasurement[M ].Beijing:NationalDefenseIndustryPress,1995.

[22]　AlvarezR ,etal.FrequencyDomainTransfomandtheCoulostaticTechnique.Corrosion’98NACE ,Hous ton:1998.No.308