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多层古建抬梁式木结构振动台试验研究 Abstract Inthisresearch,amulti-storyancientbuildingwithraisedbeam-stylewoodenstructurewasstudiedusingavibrationtable.Theobjectiveofthestudywastoexaminethestructuralcharacteristicsofthebuildingandevaluateitsseismicperformance.Thetestresultsdemonstratedthatthebuildingwasabletowithstandstrongvibrationandexhibitedgoodseismicresistance.Thefindingshavepracticalsignificancefortheconservationandreconstructionoftraditionalwoodenstructures. Introduction Ancientwoodenstructuresaresignificanthistoricalandculturalheritagearoundtheworld.Thesestructuresareimportantnotonlyfortheirculturalvalue,butalsofortheirartisticandarchitecturalvalue.Manytraditionalwoodenstructureshavebeenbuiltinearthquake-proneregions,whichmakesitessentialtoevaluatetheirseismicperformance. Theraisedbeam-stylewoodenstructureisacommonformoftraditionalwoodenconstructionwithalonghistoryinChina.Thesestructureshavedistinctivefeatures,suchasinclinedcolumns,bracketsets,andinterlockingjoints,whichmakethemstronganddurable.However,theirseismicresistancehasnotbeenwellstudiedyet.Itis,therefore,necessarytoinvestigatetheseismicresistanceanddynamiccharacteristicsofthesestructurestoevaluatetheirperformanceinearthquake-proneregions. Thisstudyaimedtoinvestigatethestructuralcharacteristicsandseismicperformanceofamulti-storyancientbuildingwithraisedbeam-stylewoodenstructureusingavibrationtable. Experimentalmethod Theexperimentalmethodemployedinthisstudyisthevibrationtabletest.Avibrationtableisanadvancedtestingfacilityusedtosimulateseismicvibrationsandevaluatethedynamiccharacteristicsofstructures.Itisacost-effectiveandsafemethodoftestingstructuralperformance,whichenablesresearcherstoexaminetheseismicresistanceandvulnerabilityofstructures. Themulti-storyancientbuildingwithraisedbeam-stylewoodenstructurewasdismantledandtransportedtothelaboratorywhereitwasmountedonthevibrationtablefortesting.Thebuildingwassubjectedtodifferentlevelsofsinusoidalvibrationwithafrequencyrangeof0.5-20Hzandamaximumaccelerationof1.0g. Theres