滨州黄河公路大桥结构健康监测系统分析.ppt

滨州黄河公路大桥结构健康监测系统分析.ppt

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* Shandong Binzhou Yellow River Highway Bridge Structural Health Monitoring Shandong Binzhou Yellow River Highway Bridge Three towers, four spans 84+300+300+84m PC structure Rigid and floating support Open to traffic: July 1, 2004 Health Monitoring System 138 optical fiber strain temperature sensors 2 anemoscopes 39 accelerometers 1+3GPS Wireless communication LabVIEW data acquisition Damage detection-MATLAB Structural analysis- ANSYS 7.2 SQL server 2000 database- Website visitor permitted LabVIEW software platform on-line automatically running call 1. Sensor sub-system 1 2 14 4 5 6 8 7 9 11 12 13 10 Binzhou 15 16 Tower near the joints Girder 1) Optical fiber sensors Sensor Sensor Locations Initial wave length Initial T 2) Accelerometers Cable- 2D and 1D Piezo-electric accelerometers (0.1-50Hz), 2Hz Tower-2D Servo accelerometers (0-30Hz), 0.17Hz Girder-3D, 2D and 1D Capacitive accelerometers, 0.25Hz single single single single single single single single single single Type of cable 110(110) 135(136) 150(155) 165(165) 180(183) 185(187) 210(215) 225×2(225,227) 250(250) 263(268) Length of cable/ m 2873 2872 2871 2868 2792 2789 2788 2859 2786 2782 No of sensor LC0156M LC0156M LC0156M LC0156M LC0156M LC0156TM LC0156TM LC00131M LC0156TM LC0156TM Type 12.83 13.46 14.01 14.04 14.16 14.10 14.04 15.69 15.69 13.21 Parameter (cm) N12 N14 N16 N18 N20 N22 N24 N26 J12 J10 Member (10) (9) (8) (7) (6) (5) (4) (3) (2) (1) No. single single single single single single single single single single Type of cable 125×2 55(55) 95(80) 130 175×2 225 275(276) 340(350) 390(400) 105×2(105,105) Length of cable/m 2883 2880 2879 2878 2877 2861 No of sensor B-two-D LC0156M LC0156M B-one-D B-two-D B-one-D LC0156M LC0156M LC0156M LC00131M type / / / / / / / / / 12.73 Parameter (cm) M-Tower CB3 CB8 CB13 Mid mid SB5 SB0 SB0’ N10 member (20) (19) (18) (17) (16) (15) (14) (13) (12) (11) No single single single

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