英文学术报告范例

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1、ExperimentalStudyonCompressivePropertiesofUltrahighToughnessCementitiousCompositesLayoutBackgroundExperimentalProgramExperimentalResultsComparisonofcompressivestrengthbetweenUHTCCandmatrixComparisonofstrainatpeakstressbetweenUHTCCandmatrixAtheoreticalstress-straincur

2、vemodelConclusionsBackgroundNumbersofstudiescarriedoutpermeabilityandcarbonationpropertiestensileandbendingpropertiesfreeze-thawpropertiesnouniformtestavailableforthecompressivepropertiesstructuralapplicationsarelimitedExperimentalProgramForserialnumberfrom1to5,thesa

3、nd-binderratiowasvariedfrom30to45%withotherparametersconstant.Forserialnumberfrom6to9,thewater-binderratiowasvariedfrom28to35%withotherparametersconstant.Forserialnumberfrom10to13,themineraladmixture-binderratiowasvariedfrom50to80%withotherparametersconstant.Experim

4、entalProgramTable1.SpecimenInformationofEachGroupTestseriesSpecimenshapeSpecimensize/mmSpecimennumberSuffixrepresentationUHTCCPrism40×40×1609ap40uMatrixPrism40×40×1609ap40mResultsComparisonofcompressivestrengthFig.1.ComparisonofprismcompressivestrengthbetweenUHTCCand

5、matrixResultsComparisonofstrainatpeakstressFig.3.ComparisonofstrainatpeakstressbetweenUHTCCandmatrixTheoreticalmodelAscendingbranch:Strainhardeningbranch:Descendingbranch:Horizontalbranch:Comparisonofstress-straincurvesThechartshowsthecomparisonbetweenthepredictionsa

6、ndthetestdataofUHTCCThepredictedcurvesareobtainedbyusingtheexperimentalstrainvalueatpeakstressinsteadofthefixedvalueof0.002.ComparisonofcompressivestrengthConclusionsTheprismcompressivestrengthdecreasesbecauseofthefiberaddition.Thestrainatpeakstressislargerthanthatof

7、matrixbecauseofthefiberadditionAtheoreticalmodelisprovidewhichisneededformodelingitsmechanicalbehaviororforpermittingitsuseinvariousstructuralapplications.ThankYou!