既有建筑自重的动力测量方法研究

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， ¹，1，1（1.，上海200092；2.，上海2000923.，上海200032）

：键词：动力测试；模态质量；建筑物重量；多质点集中质量模型；谐波激励中图分类号：TU311.3 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202403050

Research on the method of measuring the self-weight of existing buildings

CHENJun1²，LIYang，WANGPengcheng13，ZHAIJiabao1 （1.SchoolofCivilEnginering，Tongji University，Shanghai20o92，China；2StateKeyLaboratoryforDisasterReductioninCivil Engineering，Tongji University，Shanghai2ooo92，China；3.Shanghai KeyLaboratoryofEngineering StructureSafety， Shanghai Research Institute of Building Sciences Co.，Ltd.，Shanghai 20oo32，China）

Abstract：TewehtisimportatidatofungicisportantfoctualdsastesssmentCuretlyhee mainmethods：drawing/modelcalculationorestimationusingthegrossflooareaofthebuilding.Therefore，thereisanurgenedn practicefoconvenientandaccuratemethodsofmeasuringtheweightofexistingbldings.Intisregard，thestudyproposesanideaand implementationmethodtoobtaintheweightofexistingbuildingsthroughdynamictesting：thedynamicresponseofthebuildingunder harmonicexitationisobtaied，tenthemodalmassofthebuldingisidentifidycombiningwithmaturemodaltestigtechques，and thenthweightofteldngisobaiedfromthecoversionelatioshetwnthmodalmassadtepysicalmassNumecaleamples andexperimentalcasessowthepracticalityoftenewmetod，wichcanrealizetheweightofexistingbldingsthoughdyamictesting.

Keywords：dynamic testing;modal mass;building weight; multiple point-masslumped massmodel; harmonic excitation

重量是建筑物的一个重要特征，对于结构灾害评估有重要意义。（剩余11024字）