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波折腹板钢梁柱弱轴方向半刚性连接节点性能研究的开题报告.docx

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波折腹板钢梁柱弱轴方向半刚性连接节点性能研究的开题报告 Title：ResearchonthePerformanceofSemi-rigidConnectionNodesforSteelBeamsandColumnsinWeakAxisDirectionwithWavedFlangePlates Introduction： Steelstructuresareapopularconstructionchoiceduetotheirhighstrength,durabilityandarchitecturalflexibility.Steelstructuresaretypicallyassembledusingboltsorwelding,whichcreatefullyrigidorfullypinnedconnectionsbetweenmembers.However,inreality,manyconnectionsexhibitsemi-rigidbehaviorduetothedeformationcharacteristicsofthecomponents.Thesemi-rigidconnectionisatypeofstructuralconnectionthatcanbothtransmittheloadandallowforacertaindegreeofrelativedeformationbetweentheconnectedmembers. Objective： Theobjectiveofthisstudyistoinvestigatetheperformanceofsemi-rigidconnectionnodesforsteelbeamsandcolumnsintheweakaxisdirection,utilizingwavedflangeplates.Throughexperimentalandnumericalsimulationmethods,thisstudyaimstoanalyzetheeffectsofthewavedflangeplateontheconnection'sstiffness,strength,anddeformationbehavior.Furthermore,thestudywillexplorethemechanismsofthesemi-rigidconnectionandprovidesuggestionsforoptimizeddesignandconstructionpractices. Methodology： Theresearchmethodologywillinvolvetwoparts:experimentalandnumericalsimulations.Theexperimentaltestswillbeconductedonaseriesofscaled-downsemi-rigidconnectionnodes.Thekeyfactorstobeconsideredintheexperimentalprocessincludetheamplitudeandwavelengthofthewavedflangeplates,thethicknessoftheplates,theconfigurationoftheboltsandwelding,etc.Thetestswillbeperformedundermonotonicandcyclicloadings,andthetestresultswillbeanalyzedforstiffness,strength,anddeformationbehavior.Finiteelementmodelsofthetestedconnectionnodeswillbedevelopedbasedontheexperimentaldata.Parametricstudieswillbeconductedtoevaluatetheeffectsofspecificvariables,suchastheplatethickness,configurationoftheboltsandwelding,amplitudeandwavelengthofthewavedflangeplatesontheperformanceofthesemi-rigidconnection. ExpectedOutcomes： Theexpectedoutcomesofthisresearchincludeacomprehensiveunderstandingoftheperformanceofsemi-rigidconne