智慧桥梁大桥健康监测系统建设方案.ppt
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1、,1,智慧桥梁大桥健康监测系统建设方案,2,Why Bridge Health Monitoring System is needed? Monitoring Structural Performance and Applied Loads Facilitating the Planning of Inspection and MaintenanceValidating Design Assumptions and Parameters Updating and Revising Design Manuals and Standards,“Current and Future Bridge H
2、ealth Monitoring System in Hong Kong”Outline of Presentation,3,Part 1 Bridges with WASHMSPart 2 System Architecture and Operation of WASHMSPart 3 Current WASHMSPart 4 Limitations of Current WASHMSPart 5 Future WASHMSPart 6 Typical Monitoring Results,Part 1Bridges with WASHMS,4,1.WASHMS refers to Win
3、d And Structural Health Monitoring System.Application: “wind sensitivity structures”, i.e. frequency lower than 1 Hz. 3.Existing Bridges with WASHMS:(i) Tsing Ma & Kap Shui Mun Bridges - LFC-WASHMS.(ii) Ting Kau Bridge - TKB-WASHMS.4.Future Bridges with WASHMS:(i) The Cable-Stayed Bridge (Hong Kong
4、Side) in Shenzhen Western Corridor - SWC-WASHMS.(ii) Stonecutters Bridge - SCB-WASHMS.,5,WASHMS,Bridges with WASHMS Locations Bridge Types Functions Major Structural Features,6,Hong Kong Island,LantauIsland,Kowloon,New Territories,Tsing Yi,Shekou,Shenzhen,Tuen Mun,Yuen Long,Sha Tin,Hong Kong Interna
5、tional Airport,Shenzhen Western Corridor,Stonecutters Bridge,Tsing Ma Bridge,Kap Shui Mun Bridge,Ting Kau Bridge,7,Tsing Ma Bridge,8,Kap Shui Mun Bridge,9,Ting Kau Bridge,10,Kap Shui Mun Bridge,Tsing Ma Bridge,Ting Kau Bridge,11,View of the 3 bridges from Southwest Corner of TMCA,Ting Kau Bridge,Tsi
6、ng Ma Bridge,Kap Shui Mun Bridge,View of the 3 bridges from Northeast Corner of TMCA,12,Shenzhen Western Corridor - Route,HKSARG Boundary,13,The two cable-stayed bridges in Shenzhen Western Corridor,14,Stonecutters Bridge,HIGHWAYS DEPARTMENTTSING MA CONTROL AREA DIVISIONBRIDGE HEALTH SECTION,15,Part
7、 2System Architecture and Operation of WASHMS,16,17,System Architecture of WASHMS,The four WASHMSs, i.e. LFC-WASHMS, TKB-WASHMS, SWC-WASHMS and SCB-WASHMS, are all configured into six integrating modules: Sensory System (SS)Data Acquisition and Transmission System (DATS)Portable Data Acquisition Sys
8、tem (PDAS)Data Processing and Control System (DPCS)Structural Health Evaluation System (SHES) Portable Inspection and Maintenance System (PIMS),Sensory System (SS)Loading Sources Wind LoadingThermal LoadingTraffic (Highway & Railway) LoadingSeismic LoadingCorrosion Status (Future)Structural Characte
9、risticsGlobal Dynamic CharacteristicsStatic Influence CoefficientsBridge ResponsesTensile Force in CablesGeometric ConfigurationsStrain/Stress DistributionsRemaining Fatigue Life Estimation,18,Loads,Bridge,Response,19,DAU-1,DAU-2,DAU-4,DAU-3,PDAS,SS-4,RSS,SS-3,SS-2,SS-1,DPCS,SHES,PIMS,Schematic Layo
10、ut of A Typical WASHMS,Communication with other WASHMS,Cabling Network in Bridge includes: LCNS, GCNS and DVE,CCNS,Flow Chart for Normal Operation of WASHMS,20,21,Part 3Current WASHMS,22,Layout of Sensory System (SS),Layout of SS and DAS in LFC-WASHMS (TMB Part),Layout of SS and DAS in LFC-WASHMS (K
11、SMB Part),Layout of SS and DAS in TKB-WASHMS,26,Details of Different Types of Sensory System,Accelerometers,27,QA 700 Q-Flex Accelerometer,28,General Arrangement of Accelerometer Fixing Enclosure,SECTION A - A,PLAN ON ACCELEROMETER FIXED EXCLOSURE,ASSEMBLY COVER OMITTED FOR CLARITY (23 OFF REQUIRED)
12、,Q-Flex QA700 Servo Accelerometers,Legend:-,Acc-U (3) - 3 nos.,Uniaxial,Accelerometer,W - Ultrasonic Type Anemometer,Acc-U,Acc-U,Acc-U,Typical Location of Accelerometers in Cross Girder,Typical Layout of Accelerometers at Deck Section,of Ting,Kau,Bridge,W,W,West,East,Typical Layout of Accelerometers
13、 at Deck Section,of,Tsing,Ma Bridge,Cross Frame at CH 23438.50 (and CH 23443.00),W,L,(,at CH23443),W,(,at CH23443),L,Accelerometer (Single),Accelerometer (Biaxial),Ultrasonic Type Anemometer,Level Sensor,AS,AB,W,L,Legend:-,AS - Accelerometer (Single),AB - Accelerometer (Biaxial),W - Ultrasonic Type
14、Anemometer,NORTH,SOUTH,AS,Cross Frame at CH 22232.9,AB,W,W,Typical Layout of Accelerometers at Deck Section,of,Kap Shui Mun,Bridge,Typical Layout of Accelerometers in Bridge Decks,29,Accelerometers on Main Cable of Tsing Ma Bridge,Detail of Accelerometers,Accelerometers,Accelerometers on Main Cable,
15、30,Accelerometers,Detail of Accelerometers on Longitudinal,Stabilizing Cable,Accelerometers Mounted on Longitudinal,Stabilizing Cable,Bi-axial Accelerometers on Longitudinal Stabilizing Cable of Ting Kau Bridge,31,Portable Bi-axialAccelerometers,Detail of Accelerometer Mounted on Suspenders,Portable
16、 Bi-axial Accelerometer Mounted on Suspenders,Portable Bi-axial Accelerometers on Suspenders of Tsing Ma Bridge,32,Global Positioning System,33,34,35,36,37,38,39,40,GPS Base Reference Station: At Roof of Storage Building,Antenna of,Base Reference Station,GPS Receivers,5,U Cabinet,Port A,(,Ref. Broad
17、cast),CRS1500,-,M,Antenna,Port B,(,NMEA Data),Port C,(,Remote Control),Station),TC,-,1885,Fiber,Panel,CRS1500,-,A,TC,-,1885,Power,Terminal,Port D,(,Spare),Port B,(,NMEA Data),Port C,(,Remote,Control),Port D,(,Spare),Power,Terminal,Port A,(,Spare),41,Typical GPS-Sensory System : GPS Rover Station at
18、Upper Deck Level Main Suspension Cables,TKB,TMB,TMB,TMB,TMB,42,Typical GPS-Sensory System : GPS Rover Station at Tower Top,GPS Receiver,Port D,(Spare),Power,Local,Terminal,To Antenna,Port C,(Data Out),Port B,(Ref. Data In),Port A,(Remote,Control),Fiber,Panel,CSR1500,43,Displacement Transducers,44,Di
19、splacement Transducer (Longitudinal) at Tsing Yi Abutment of Tsing Ma Bridge,Displacement Transducer,(Longitudinal),Detail of Displacement Transducer,(Longitudinal),Displacement Transducer,(Longitudinal,),45,Displacement Transducer (Longitudinal) at Tsing Yi Abutment of Ting Kau Bridge,Displacement
20、Transducer,(Longitudinal),Detail of Displacement Transducer,(Longitudinal),Tsing Yi,Abutment,Tsing Yi,Abutment,Displacement Transducer,(Longitudinal,),Ribbon,indicating,location of,Sensor,46,Displacement Transducer (Longitudinal) at Cross-Frame of Kap Shui Mun Bridge ( at Ch. 22 228 ),Displacement T
21、ransducer (Longitudinal),Detail of Displacement Transducer (Longitudinal),Displacement Transducer,Measurement Range,47,Weldable Foil-Type Strain Gauges,48,General Layout of Single Strain Gauge,Single Strain Gauge,49,Pair Strain Gauge for measuring net tension,Plan of Upper Horizontal Bracing Beam,Pa
22、ir Strain Gauge,Pair Strain Gauge at Upper Horizontal Bracing Beam of Tsing Ma Bridge,50,CH. 24 662,West,Pair Strain Gauge at Top Chord,Pair Strain Gauge at Diagonal Chord,Pair Strain Gauge at Bottom Chord,Location of Pair Strain Gauge at Longitudinal Truss,Strain Gauges installed at Longitudinal Tr
23、uss of Tsing Ma Bridge,HIGHWAYS DEPARTMENTTSING MA CONTROL AREA DIVISIONBRIDGE HEALTH SECTION,51,Rocker Bearing Strain Gauges at Ma Wan Tower of Tsing Ma Bridge,Rocker Bearing,Strain Gauges,At Ma Wan Tower,Cross Frame at Ma Wan Tower,Rocker Bearing,Strain Gauges,HIGHWAYS DEPARTMENTTSING MA CONTROL A
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