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内置钢骨的L形截面钢管混凝土中长柱轴心受压试验研究 Title:ExperimentalStudyonAxialCompressiveTestingofL-sectionSteelPipeConcreteColumnswithInternalSteelReinforcement Abstract: ThispaperpresentsanexperimentalstudyonthebehaviorofL-sectionsteelpipeconcretecolumnswithinternalsteelreinforcementunderaxialcompressiveloading.Theaimofthisstudyistoinvestigatethemechanicalproperties,failuremodes,andload-carryingcapacityofthisinnovativestructuralsystem.AtotalofxxL-sectionsteelpipeconcretecolumnswerefabricatedandtestedtofailure.Theexperimentalresultswerecomparedwiththeoreticalpredictionsandexistingdesigncodes.ThefindingsofthisresearchwillcontributetotheunderstandinganddesignofL-sectionsteelpipeconcretecolumnswithinternalsteelreinforcement. 1.Introduction: 1.1Background 1.2Objectives 1.3ScopeofStudy 2.LiteratureReview: 2.1Steelpipe-concretecompositecolumns 2.2L-sectionsteelpipeconcretecolumns 2.3InternalsteelreinforcementinL-sectioncolumns 2.4Previousresearchonaxialcompressivebehaviorofsimilarcolumns 3.ExperimentalProgram: 3.1Testspecimenconfiguration 3.2Materialpropertiesandtestingprocedure 3.3Testsetupandinstrumentation 4.TestResultsandDiscussion: 4.1Load-deflectionresponse 4.2Failuremodes 4.3Load-carryingcapacity 4.4Comparisonwiththeoreticalpredictionsanddesigncodes 5.AnalysisandInterpretation: 5.1Comparisonoftestresultswithexistingresearch 5.2Strengthandstiffnesspredictions 5.3Influenceofsteelreinforcementoncolumnbehavior 6.DesignConsiderations: 6.1DesignrecommendationsforL-sectionsteelpipeconcretecolumns 6.2Limitationsoftheproposedstructuralsystem 6.3Futureresearchandpotentialapplications 7.Conclusion: 7.1Summaryoffindings 7.2Contributionstoknowledge 7.3Implicationsforpractice References: Note:Thecontentprovidedaboveisjustastructureandoutlineforyourpaper.Pleasemakesuretoconductathoroughliteraturereviewandpresentyourexperimentalfindingsaccurately.Also,ensuretofollowthestandardguidelinesforacademicwritingandformatting.