简介：ThefatigueflexuralperformanceofRCbeamsattackedbysaltspraywasstudied.Atestingmethodinvolvingelectroosmosis,electricalacceleratedcorrosionandsaltspraywasproposed.Thiscorrosionprocessmethodeffectivelysimulatesreal-worldsaltsprayandfatigueloadingexertedbyRCcomponentsonseabridges.FourRCbeamsthathavedifferentstressamplitudesweretested.ItisfoundthatdeteriorationbycorrosionandfatigueloadingreducesthefatiguelifeoftheRCanddecreasestheabilityofdeformation.Thefatiguelifeanddeflectionabilitycouldbereducedbyincreasingthestressamplitudeandthecorrosiondurationtime.Thetestresultdemonstratesthatthisexperimentalmethodcancouplecorrosiondeteriorationandfatigueloadingreasonably.ThisproceduremaybeappliedtoevaluatethefatiguelifeandconcretedurabilityofRCcomponentslocatedinanaturalsaltsprayenvironment.