简介:Thepermeabilityoflightweightaggregateconcretewasstudied.Someeffortsweretakentoincreasetheresistanceoflightweightaggregateconcrete(LC)towaterpenetrationbyusingthemineraladmixturesofflyash,granulatedblastfurnaceslagorsilicafume.Acceleratedchloridepenetrabilitytestandliquidatmospherepressmethodwereusedtostudytheanti-permeabilityoflightweightaggregateconcrete.Theexperimentalresultsshowthatflyash,granulatedblastfurnaceslagandsilicafumecandecreasethepermeabilityoflightweightaggregateconcrete,buttheeffectofgranulatedblastfurnaceslagispoor.AccordingtotheSEMandporestructureanalyzingresults,aninterfaceself-reinforcingeffectmodelwaspresentedandthereinforcedmechanismofmineralmixtureonLCwasdiscussedaccordingtothemodeldescribedbyauthors.