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单掺砂状钢渣混凝土的抗压强度试验研究.docx

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单掺砂状钢渣混凝土的抗压强度试验研究 Abstract Inrecentyears,theuseofsteelslagasasubstitutefortraditionalaggregatesinconcretehasgainedwidespreadattentionduetoitssustainableadvantages.However,theapplicationofsteelslaginconcreteproductionisstilllimitedduetoitsinherentlowstrengthcharacteristics.Inthisstudy,weinvestigatethecompressivestrengthperformanceofsand-basedsteelslagconcretewithdifferentsteelslagcontentratios. Thestudywasconductedontencylindersofmixturewithdifferentratiosofsandandsteelslag,rangingfrom0%to100%ofsteelslagcontent.Theresultsshowedthatthecompressivestrengthofthemixtureimprovedwithincreasingsteelslagcontentuntilacriticalpercentageof60%,wherethestrengththendecreasedgradually.Overall,thecompressivestrengthoftheconcretemixturecontainingsandandsteelslagwereimprovedcomparedtothecontrolmixturewithoutsteelslag. Introduction Concrete,duetoitswideavailability,goodworkability,andeasyavailabilityisoneofthemostcommonlyusedbuildingmaterialsforconstruction.However,Environmentalandsocialconcernsaboutthequalityoflifehaveledtorecentresearchintosustainablealternativesorreplacementsfortraditionalcomponentsofconcrete.Onesuchmaterialissteelslag,whichisabyproductofsteelmanufacturingprocess. Steelslagisgeneratedinlargequantitiesworldwideandhasbeenusedasaggregatesinconcreteduetoitssimilarphysicalpropertiestoconventionalaggregates.Steelslagisalsoabundantandhasadvantagessuchashighdensity,betterabrasionresistance,andlowerpermeability,whichmakesitasustainablealternativeforconcrete.However,theinherentlowstrengthandpotentialtogeneratealkalisbetweentheslagandcementpaste,whichcanaffecttheconcreteperformance,arethemainlimitationsofsteelslagasaggregatesinconcrete. Incorporatingsteelslagintoabasicmixtureofsandandcementcanproducesand-basedsteelslagconcretemixes(SBSSC).However,theoptimalproportionofsteelslagforimprovingthecompressivestrengthoftheconcreteneedstobeinvestigated.Therefore,themainobjectiveofthisstudywastoanalyzetheeffectofincorporatingsteelslaginasand-basedconcretemixonthecompressivestrengthofth