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木结构螺栓连接试验研究及承载力设计值确定.docx

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木结构螺栓连接试验研究及承载力设计值确定 Title:ExperimentalStudyandDeterminationofLoadBearingCapacityforBoltedConnectionsinTimberStructures Abstract: Timberstructuresoffernumerousbenefitsintermsofaestheticappealandenvironmentalsustainability.Thereliableconnectionoftimberelementsiscrucialtoensurethestructuralintegrityofthesebuildings.Thispaperfocusesontheexperimentalstudyofboltedconnectionsintimberstructures,withtheaimofdeterminingtheloadbearingcapacityandprovidingdesignvaluesforsuchconnections. Introduction: Timberstructureshaveregainedpopularityinrecentyearsduetotheirrenewableandsustainablenature.However,thestrengthandreliabilityofconnectionswithintimberstructuresremainasubjectofresearchanddevelopment.Boltedconnectionsarecommonlyusedintimberstructuresduetotheireaseofinstallation,adjustability,andabilitytowithstandvaryingloads.Thispaperaimstoinvestigatethebehaviorofboltedconnectionsintimberstructuresanddeterminetheirloadbearingcapacity. LiteratureReview: Acomprehensivereviewofpreviousstudiesrelatedtoboltedconnectionsintimberstructuresisconducted.Keytopicscoveredincludedifferenttypesofboltedconnections,loadtransfermechanismsintimber,failuremodes,andfactorsaffectingtheloadbearingcapacityofboltedconnections.Existingdesignmethodsandapproachesfordeterminingtheloadbearingcapacityofboltedconnectionsarealsoreviewed. ExperimentalMethodology: Aseriesofexperimentaltestsareconductedtoinvestigatethebehaviorofboltedconnectionsintimberstructures.Theexperimentsaredesignedtosimulatereal-lifeloadingscenariosandcoverarangeofdifferentconnectiontypesandconfigurations.Thetestspecimensarepreparedaccordingtostandardguidelinesandincludedifferenttimberspecies,boltsizes,andconnectiongeometries.Load-displacementcurvesarerecordedduringtheexperimentstoanalyzetheconnection'sbehaviorundervaryingloadlevels. ResultsandDiscussion: Theexperimentalresultsareanalyzed,andtheloadbearingcapacityofdifferentboltedconnectionsintimberstructuresisdetermined.Thefailuremodesandthefactorsinfluencingtheloadcarryingcapacityarediscussed