桥梁健康监测与状态评估的研究现状与发展

272Vol.27.No.219994JOURNALOFTONGJIUNIVERSITYApr.19993(,,200092).,.,,,.;;;U443CurrentResearchandDevelopmentofStructuralHealthMonitoringandConditionAssessmentforBridgesYuanWanchengCuiFeiZhangQiwei(DepartmentofBridgeEngineering,TongjiUniversity,Shanghai,200092)AbstractInthispaper,severalpracticalimplementationsofhealthmonitoringforbridgesarereviewed.Commentsaremadeonthepreviousworkofdamageidentificationforstructures,especiallyfocusingonsomeofthedifficultiesincurrentresearch.Basedonthereviewandsummary,anewmonitoringstrategicplanofbridgeispresented.Ofin2terestinthisworkisadiscussionoftheperformanceofbridgeandapresentationofideasonsignaturegrowthandupdatinginordertomonitorbridgesduringtheirlifespans.Finally,loadcapacityshouldberegardedasanimpor2tantindexfortheconditionassessmentofbridgeandbeincludedinthesystem.KeywordsBridge;Healthmonitoring;Conditionassessment;Loadcapacity50,,,.,.,:1726mFaroe,,,1624mGreatBeltEast[1];1543mTampico[2];;530mSkarnsundet[3];LantauFixedCrossing,[4].,,,[5].:1998-06-06:,1962,,3(:59878037)1851.,,..10,,..,,.,,,,,.,,,[4]..,,..,./MAC()COMAC().,(),.MAC,COMAC,..WD(wignerdistribu2tion),-.2.,..,.,,...,,,..,.,.;().,Taly[6].:(2020);();;(32);412:18627.,,,.,.3,:,;,;;;.MACCOMAC.,.,.:,;,..:(1),,.,,.,,,.,.,,.(2).,,,:,;;;,(visualization)(robustness).,.(3):,,..,.,,.:;(,[7]).,.,:;;,;(),.(4),,1871Fig.1Planofhealthmonitoringandconditionassessmentforbridge.,,,.(5).,,,(),..,.(6)...,..4,,,.,,1.(1),.,,().(2),,,.,.:..,,.,,(WignerDistribution)-.,:;;,.,:;;...,,.2:188275,,..1AndersenEY,Pedersen.StructuralmonitoringoftheGreatBeltEastBridge.In:JonKrokeborg,ed.ProceedingsoftheThirdSymposiumonStraitCrossing.Rotterdam:Balkema,1994.54622MuriaVilaD,GomezR,KingC.DynamicstructuralpropertiesofcablestayedTampicoBridge.JournalofStructuralEngineering,ASCE,1991,117(11):3396-34163MyrollF,DibiagioE.InstrumentationformonitoringtheSkarnsunderCable-stayedBridge.In:JonKrokeborg,ed.ProceedingsoftheThirdSymposiumonStraitCrossing.Rotterdam:Balkema,1994.2072154,,..,1997,25():76815,,..,1997,25():71756Taly.Narendradesignofmodernhighwaybridge.NewYork:TheMcGRAW-HILLCompanies,19987,.JTJ023-85.:,19892(1),,,,.(2),,.,160m,1/8;160m,1/6.1/1001/120.,,,,,.(3)0.200.25,13.11.83.0.,.(4).,,,[2][3],,.1,,..:,19842..,1994(3):1701753..,1996(7):29(178)