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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                   Corrosionresistanceeffectofcathodicinhibitorsinchlorideconcrete

                                                                                        1
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                               1
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                   LINXinyuan,MEIKanze,LIXiaozhen,SHUHaibin,WANGJianmin,LIUJunzhe
                          (1.SchoolofCivilandEnvironmentalEngineering,NingboUniversity,Ningbo315211,China;
                               2.ArchitecturalEngineeringInstitute,JinhuaPolytechnic,Jinhua321000,China)
                 Abstract:Inordertoinvestigatetheperformanceofcathodicinhibitorsinchlorideconcrete,therelation
                 shipbetweentheperformanceanddosageofdifferentcorrosioninhibitorswerestudiedusingthehalfcell
                 potentialmethod ,steelmasslossmethod,linearpolarizationmethod,ACimpedancespectroscopymeth
                 odandXrayphotoelectronspectroscopy (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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