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再生陶瓷粗骨料混凝土碳化后力学性能试验研究.docx

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再生陶瓷粗骨料混凝土碳化后力学性能试验研究 Title:ExperimentalStudyonMechanicalPropertiesofRecycledCeramicCoarseAggregateConcreteafterCarbonation Abstract: Recycledceramiccoarseaggregateconcrete(RCCAC)hasgainedsignificantattentionasasustainableandeco-friendlyconstructionmaterial.However,itsmechanicalpropertiesaftercarbonationarestillnotwellunderstood.ThisresearchaimstoinvestigatethemechanicalpropertiesofRCCACaftercarbonationthroughaseriesoflaboratoryexperiments.ThestudyinvolvesthepreparationofRCCACspecimenswithdifferentwater-to-cementratios,carbonationprocesses,andsubsequenttestingtoevaluatetheircompressivestrength,flexuralstrength,anddryingshrinkage.TheresultsindicatethatthecarbonationprocesshasasignificantinfluenceonthemechanicalpropertiesofRCCAC,leadingtobothpositiveandnegativeeffects.ThefindingsofthisresearchcontributetotheunderstandingofRCCACbehavioraftercarbonationandprovidevaluableinsightsforitspracticalapplicationintheconstructionindustry. Keywords:recycledceramiccoarseaggregate,concrete,carbonation,mechanicalproperties Introduction: Theever-increasingdemandforconstructionmaterialshasledtothedepletionofnaturalresourceswhilegeneratingsubstantialamountsofwastematerials.Inrecentyears,therehasbeenagrowinginterestindevelopingsustainableconstructionmaterialstomitigateenvironmentalimpacts.Recycledceramiccoarseaggregateconcrete(RCCAC)isonesuchmaterialthatutilizeswasteceramicsasareplacementfornaturalcoarseaggregate.RCCACoffersseveraladvantages,includingreducedenvironmentalfootprintandefficientwastemanagement.However,thereislimitedknowledgeregardingthecarbonationeffectonRCCAC'smechanicalproperties.Carbonationisachemicalprocessthatoccursovertime,leadingtothereactionbetweencarbondioxideintheatmosphereandhydratedcementpasteinconcrete.ThisresearchaimstofilltheexistingknowledgegapbyinvestigatingthemechanicalpropertiesofRCCACaftercarbonation. ExperimentalMethodology: 1.SamplePreparation: -RCCACspecimenswillbepreparedwithdifferentwater-to-cementratios(0.4,0.5,and0.6)toassesstheinfluenceofmixpropo