Extractingbridgefrequenciesfromthedynamicresponseofapassingvehicle.pdf
Thefrequenciesofvibrationofbridgesrepresentakindofinformationthatismostusefulformanypurposes.Traditionalvibrationtestsaimedatmeasuringthebridgefrequenciesoftenrequireon-siteinstallationofthemeasurementequipment,whichisnotonlycostly,butalsoinconvenient.Asafirstattempt,theideaofusingavehiclemovingoverabridgeasamessagecarrierofthedynamicpropertiesofthebridgeistheoreticallyexploredinthispaper.Inordertoidentifythekeyparametersdominatingthevehicle-bridgeinteractionresponse,whileillustratingthekeyphenomenainvolved,assumptionsthatleadtoclosed-formsolutionsareadoptedintheanalyticalstudy.Forinstance,avehicleismodelledasasprungmass,andabridgeasasimplysupportedbeamconsideringonlythefirstmodeofvibration.Theconceptofextractingbridgefrequenciesfromapassingvehicle,however,isnotrestrictedbytheaforementionedassumptions,aswillbedemonstratedinanindependentfiniteelementstudy,whichdonotrelyonanyparticularassumptions.Concludingremarksaregivenconcerningthefeasibilityofextractingthebridgefrequenciesfromthedynamicresponseofapassingvehicle,alongwithdirectionsforfutureresearchidentified.
作者：Y.-B.Yang C.W.Lin J.D.Yau
作者单位：DepartmentofCivilEngineering,NationalTaiwanUniversity,No.1,Sec4,RooseveltRoad,Taipei10617,TaiwanDepartmentofArchitecture&BuildingTechnology,TamkangUniversity,Taipei10620,Taiwan
母体文献：2018第十五届长三角科技论坛公路分论坛——长江公路大桥科技创新论坛论文集
会议名称：2018第十五届长三角科技论坛公路分论坛——长江公路大桥科技创新论坛
会议时间：2018年10月1日
会议地点：安徽池州
主办单位：安徽省科协会,安徽省公路学会,上海市公路学会,江苏省公路学会
语种：chi
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关键词：
在线出版日期：2021年12月15日
基金项目：
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