圆形均布荷载作用下结合式双层板中性面分析-豆柴文库

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圆形均布荷载作用下结合式双层板中性面分析
Title:AnalysisofNeutralPlaneinCombinedSteel-ConcreteDouble-LayerSlabsSubjectedtoUniformCircularLoad
Abstract:
Inthispaper,weanalyzetheneutralplaneincombinedsteel-concretedouble-layerslabssubjectedtoauniformcircularload.Theseslabsarewidelyusedinvariouscivilengineeringstructuresduetotheirexcellentload-bearingcapacityandflexibility.Understandingthebehavioroftheneutralplaneiscrucialforthedesignandanalysisofsuchstructures.Thispaperaimstoprovideacomprehensiveanalysisoftheneutralplaneincombinedsteel-concretedouble-layerslabsundercircularload,highlightingthefactorsaffectingitspositionandmagnitude.
Introduction:
Combinedsteel-concretedouble-layerslabsconsistofasteelplateandaconcretelayerbondedtogethertoformacompositestructure.Thiscombinationtakesadvantageofthehightensilestrengthofsteelandthecompressivestrengthofconcrete,resultinginamoreefficientanddurablestructuralsystem.Whensubjectedtoacircularload,thepositionandmagnitudeoftheneutralplaneplayavitalroleindeterminingtheslab'sbehaviorandoverallstructuralperformance.
NeutralPlaneAnalysis:
Theneutralplaneisdefinedastheplanewithintheslabwherethebendingstressesarezero.Itdividestheslabintothecompressionzoneandthetensionzone.Toanalyzetheneutralplaneincombinedsteel-concretedouble-layerslabsundercircularload,severalfactorsneedtobeconsidered:
1.MaterialProperties:Thepropertiesofthesteelandconcretelayers,suchasmodulusofelasticityandtensileandcompressivestrengths,significantlyaffectthepositionandmagnitudeoftheneutralplane.Thematerialpropertiesinfluencethetransferofstressesbetweenthesteelandconcretelayers,thusaffectingthebendingbehavior.
2.GeometricalParameters:Thegeometriccharacteristicsoftheslab,includingthethicknessesofthesteelandconcretelayersandtheradiusofthecircularload,alsoinfluencethepositionandmagnitudeoftheneutralplane.Thinnersteellayersandthickerconcretelayerstendtoshifttheneutralplanetowardsthesteellayer,whilethickersteellayersandthinnerconcretelayersshiftittowardstheconcretelayer.
3.LoadDistribution:Thedi