Page 169 - 《水资源与水工程学报》2022年第2期
P. 169
!33 " ! 2 # & ' ( ) & * + , - Vol.33No.2
2022 $ 4 % JournalofWaterResources&WaterEngineering Apr.,2022
DOI:10.11705/j.issn.1672-643X.2022.02.22
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HIAJK:TV42 4 LMNOP:A LQRK:1672643X(2022)02016507
Corrosionresistanceeffectofcathodicinhibitorsinchlorideconcrete
1
1
1
1
1
2
LINXinyuan,MEIKanze,LIXiaozhen,SHUHaibin,WANGJianmin,LIUJunzhe
(1.SchoolofCivilandEnvironmentalEngineering,NingboUniversity,Ningbo315211,China;
2.ArchitecturalEngineeringInstitute,JinhuaPolytechnic,Jinhua321000,China)
Abstract:Inordertoinvestigatetheperformanceofcathodicinhibitorsinchlorideconcrete,therelation
shipbetweentheperformanceanddosageofdifferentcorrosioninhibitorswerestudiedusingthehalfcell
potentialmethod ,steelmasslossmethod,linearpolarizationmethod,ACimpedancespectroscopymeth
odandXrayphotoelectronspectroscopy (XPS).Theresultsshowthatinchlorideconcretemixedwith
cathodiccorrosioninhibitors (BTAandDMEA),thecorrosionofthesteelbarsweregreatlyreduced
comparedtothosewithoutcathodiccorrosioninhibitors.TheeffectofBTAwasbetterthanthatofDMEA
atthesamedosage.Accordingtotheresults,theperformanceofBTAwillbebetterwhenthedosageratio
ofchloridiontoBTAis1∶4 ,whereasthatofDMEAisoptimalwhenthedosageratioofchloridionto
DMEAisbetween1∶4and1∶2.
Keywords:reinforcedconcrete;cathodiccorrosioninhibitor;chloridion;X-rayphotoelectronspec
troscopy(XPS);corrosionresistanceperformance
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