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加固用钢结构栓焊并用连接承载性能研究.docx

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加固用钢结构栓焊并用连接承载性能研究 Title:StrengtheningofSteelStructuresthroughBolted-WeldedConnectionsandtheirLoad-BearingPerformance Abstract: Steelstructuresarecommonlyusedinvariousengineeringapplicationsduetotheirsuperiorstrengthanddurability.However,continuousexposuretodynamicloads,corrosion,andagingcanleadtostructuralweaknessesandcompromisetheirload-bearingperformance.Thispaperaimstoinvestigatethestrengtheningofsteelstructuresusingbolted-weldedconnectionsandassesstheirenhancedload-bearingcapabilities.Throughextensiveresearchandanalysis,thisstudyexplorestheapplicationofbolted-weldedconnectionstoreinforcesteelstructures,evaluatestheirbenefits,andhighlightstheireffectivenessinenhancingstructuralintegrity. 1.Introduction 1.1Background 1.2Objectives 1.3SignificanceoftheStudy 2.LiteratureReview 2.1OverviewofSteelStructures 2.2CommonIssuesinSteelStructures 2.3StrengtheningTechniquesforSteelStructures 2.3.1BoltedConnections 2.3.2WeldedConnections 2.3.3CombinedBolted-WeldedConnections 2.4PreviousStudiesonBolted-WeldedConnectionsinSteelStructures 3.Methodology 3.1ResearchDesign 3.2SampleSelection 3.3ExperimentalSetup 3.4TestingProcedures 3.5DataCollectionandAnalysis 4.ResultsandDiscussion 4.1Load-BearingPerformanceofBoltedConnections 4.2Load-BearingPerformanceofWeldedConnections 4.3Load-BearingPerformanceofBolted-WeldedConnections 4.4ComparisonofLoad-BearingPerformancebetweenConnectionTypes 5.StrengtheningofSteelStructures 5.1DesignConsiderationsforBolted-WeldedConnections 5.2BenefitsofBolted-WeldedConnections 5.3StructuralIntegrityEnhancementthroughBolted-WeldedConnections 6.CaseStudies 6.1CaseStudy1:BridgeStrengthening 6.2CaseStudy2:BuildingModification 6.3CaseStudy3:IndustrialStructureEnhancement 7.DiscussionandRecommendations 7.1SummaryofFindings 7.2ImplicationsoftheStudy 7.3Limitations 7.4FutureResearchDirections 8.Conclusion 8.1RecapofFindings 8.2PracticalApplications 8.3FinalRemarks References Thispaperprovidesanin-depthexplorationofthestrengtheningofsteelstructuresusingbolted-we