摘要
Theeffectofflyashandearlystrengthagentonresistanceofconcretetothecyclicsulfateenvironmentwasstudied.Concretespecimensmadewithordinaryportlandcementorordinaryportlandcementincorporatingflyashwiththereplacementof10%or20%,or1%earlystrengthagentandflyashwiththereplacementof20%,weremadeandsubjectedto250cyclesofexposuretothecyclicsulfateenvironment.Concretepropertiesincludinglossofmass,chlorideiondiffusioncoefficient,compressivestrengthandflexuralstrengthweremeasured.MicrostructureandchemicalcomponentofsamplesweredeterminedbymeansofX-raydiffraction,scanningelectronmicroscopyandenergydispersivespectroscopy.Theexperimentalresultsindicatedthateffectofflyashonthecyclicsulfateresistanceofconcreteswasmostlydependentontheamountofflyash.Earlystrengthagentimprovedperformancesofconcretewith20%flyashexposedtocyclicsulfateenvironment.
出版日期
2010年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
