濱州黃河公路大橋結(jié)構(gòu)健康監(jiān)測系統(tǒng)第1頁/共32頁ShandongBinzhouYellowRiverHighwayBridgeThreetowers,fourspans84+300+300+84mPCstructureRigidandfloatingsupportOpentotraffic:July1,2004第2頁/共32頁HealthMonitoringSystem

138opticalfiberstrain&temperaturesensors2anemoscopes39accelerometers1+3GPSWirelesscommunication

LabVIEWdataacquisitionDamagedetection-MATLABStructuralanalysis-ANSYS7.2SQLserver2000database-WebsitevisitorpermittedLabVIEWsoftwareplatformon-lineautomaticallyrunning&call第3頁/共32頁1.Sensorsub-system第4頁/共32頁121445687911121310Binzhou1516TowernearthejointsGirder1)Opticalfibersensors第5頁/共32頁SensorSensor第6頁/共32頁LocationsInitialwavelengthInitialT第7頁/共32頁2)AccelerometersCable-2Dand1DPiezo-electricaccelerometers(0.1-50Hz),2HzTower-2DServoaccelerometers(0-30Hz),0.17HzGirder-3D,2Dand1DCapacitiveaccelerometers,0.25Hz第8頁/共32頁No.（1）（2）（3）（4）（5）（6）（7）（8）（9）（10）MemberJ10J12N26N24N22N20N18N16N14N12Parameter(cm)13.2115.6915.6914.0414.1014.1614.0414.0113.4612.83TypeLC0156TMLC0156TMLC00131MLC0156TMLC0156TMLC0156MLC0156MLC0156MLC0156MLC0156MNoofsensor2782278628592788278927922868287128722873Lengthofcable/m263(268)250(250)225×2(225,227)210(215)185(187)180(183)165(165)150(155)135(136)110(110)TypeofcablesinglesinglesinglesinglesinglesinglesinglesinglesinglesingleNo（11）（12）（13）（14）（15）（16）（17）（18）（19）（20）memberN10SB0’SB0SB5midMidCB13CB8CB3M-TowerParameter(cm)12.73/////////typeLC00131MLC0156MLC0156MLC0156MB-one-DB-two-DB-one-DLC0156MLC0156MB-two-DNoofsensor286128772878287928802883Lengthofcable/m105×2(105,105)390(400)340(350)275(276)225175×213095(80)55(55)125×2TypeofcablesinglesinglesinglesinglesinglesinglesinglesinglesinglesingleNo（21）（22）（23）（24）（25）（26）（27）（28）（29）（30）MemberJ10J12N26N24N22N20N18N16N14N12Parameter/cm13.2115.6915.6914.0414.1014.1614.0414.0113.4612.83TypeofsensorLC0156TMLC0156TMLC00131MLC0156TMLC0156TMLC0156MLC0156MLC0156MLC0156MLC0156MNoofsensor2885288628622887288828912892289328942896Lengthofcable/m303/313290/300265×2(269,272)250/250225/228220/225205/215190/195175/177150/155Typeofcablesinglesinglesinglesinglesinglesinglesinglesinglesinglesingle第9頁/共32頁第10頁/共32頁3)Anemoscopes

3Dultrasonic81000U(USA)WE550turboanemoscope第11頁/共32頁4)1+3GPSBankTopcon第12頁/共32頁2.Communicationsub-system第13頁/共32頁1)Cablecommunication

第14頁/共32頁2)Wirelesscommunication

GPSwirelesscommunicationAntenna+networkcard+networkbridgeGPSreceiverBeamantennaDirectionalantennabeamantennaBeamantennaBeamantennaBeamantennabeamantennaisotropicantennaRemotecontrolcenterLocalcontrolcenter第15頁/共32頁3.Dataacquisitionsub-system第16頁/共32頁LabVIEWsoftware(NI,USA)NI(USA)andAdvantech(Taiwan)PXIbus-masteringandRS-485busmasteringDataacquisitionsoftware第17頁/共32頁4.Damagedetection&safetyevaluationsub-system第18頁/共32頁1)Finiteelementmodel第19頁/共32頁2)Modes&frequenciesModeTowerTransverseVerticalTorsion10.1710.8620.2200.36320.1730.9850.4900.78830.5060.5760.941第20頁/共32頁3)Response第21頁/共32頁4)Damagedetection-globalDamagedgirderCloselocationCloselocationCloselocation第22頁/共32頁40measurablelocations10measurablelocations第23頁/共32頁4)Damagedetection-localStrain,stress,crack,

deflection,acceleration>Correspondinglimitation?ChangerateofabovevariablesLargeTooStressandnumberFatiguedamage?—第24頁/共32頁5.Databasesub-system第25頁/共32頁StructureAnalysisDataProcessDataAcquireDataInquireSQLServer2000DataIntranetDatabaseServercenterInquire,print,show第26頁/共32頁LoadMeasuredresponseStructureandsensorDynamicsHealthmodelsDamagemodelsSafetyevaluationDatabaseDataBaseInquire打印CopyVirusUserDiaryDatarepairSafetymeansfordataSafety第27頁