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Laser & Optoelectronics Progress, Volume. 59, Issue 5, 0505001(2022)

Application of Fiber Bragg Grating Sensing Technology in the Health Monitoring of Special-Shaped Structures

Dingbo Zhang1, Jun Li1、*, Wei Zhang2, Xingchao Duan3, Xinwei Zhang1, Tian Ma1, and Weifeng Wang1
Author Affiliations
  • 1College of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an , Shaanxi 710054, China
  • 2Institute of Technology, Xi'an International University, Xi'an , Shaanxi 710077, China
  • 3School of Civil Engineering and Architecture, Xi'an University of Technology, Xi'an , Shaanxi 710048, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (28)
    Equations (1)
    References (13)
    Cited By (1)
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    Figures & Tables(28)
    Schematic diagram of the structure of fiber Bragg grating

    Fig. 1. Schematic diagram of the structure of fiber Bragg grating

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    Financial center tower

    Fig. 2. Financial center tower

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    Topology diagram of health monitoring and early warning system

    Fig. 3. Topology diagram of health monitoring and early warning system

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    Temperature sensor layout diagram

    Fig. 4. Temperature sensor layout diagram

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    Effect picture of on-site installation of temperature sensor

    Fig. 5. Effect picture of on-site installation of temperature sensor

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    Displacement sensor layout diagram

    Fig. 6. Displacement sensor layout diagram

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    Effect picture of on-site installation of displacement sensor

    Fig. 7. Effect picture of on-site installation of displacement sensor

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    Strain sensor layout diagram

    Fig. 8. Strain sensor layout diagram

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    Effect picture of on-site installation of strain sensor

    Fig. 9. Effect picture of on-site installation of strain sensor

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    Settlement sensor layout diagram

    Fig. 10. Settlement sensor layout diagram

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    Effect picture of on-site installation of settlement sensor

    Fig. 11. Effect picture of on-site installation of settlement sensor

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    Tilt sensor layout diagram

    Fig. 12. Tilt sensor layout diagram

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    Effect picture of on-site installation of tilt sensor

    Fig. 13. Effect picture of on-site installation of tilt sensor

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    Daily data statistics of a temperature sensor (SW-OU-TE1) in September

    Fig. 14. Daily data statistics of a temperature sensor (SW-OU-TE1) in September

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    Temperature time history curve in the southwest corner of the corridor

    Fig. 15. Temperature time history curve in the southwest corner of the corridor

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    Daily data statistics of a displacement sensor (B1-ES-RD1) in September

    Fig. 16. Daily data statistics of a displacement sensor (B1-ES-RD1) in September

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    Relative displacement time history curve of the corridor

    Fig. 17. Relative displacement time history curve of the corridor

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    Daily data statistics of a strain sensor (B1-ES-ST1) in September

    Fig. 18. Daily data statistics of a strain sensor (B1-ES-ST1) in September

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    Strain time history curve of the corridor

    Fig. 19. Strain time history curve of the corridor

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    Daily data statistics of a settlement sensor (WA-SE-ST1) in September

    Fig. 20. Daily data statistics of a settlement sensor (WA-SE-ST1) in September

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    Settlement time history curve of steel corridor

    Fig. 21. Settlement time history curve of steel corridor

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    Daily data statistics of a tilt sensor (WA-NS-TL1) in September

    Fig. 22. Daily data statistics of a tilt sensor (WA-NS-TL1) in September

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    Time history curve of the inclination angle of steel corridor

    Fig. 23. Time history curve of the inclination angle of steel corridor

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    • Table 1. Measured temperature statistics table

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      Table 1. Measured temperature statistics table

      Measuring point numberDaily temperature statistics /℃Monthly temperature statistics /℃
      MinimumMeanMaximumMinimumMaximum
      SW-OU-TE126.377930.144935.640023.867840.4932
      SW-IN-TE129.190230.039231.255628.961432.8688
      SE-OU-TE126.049529.426933.390823.098835.0663
      SE-IN-TE129.557731.296933.052029.557733.9024
      NE-OU-TE125.824229.929734.029824.053336.1452
      NE-IN-TE129.036730.432131.748329.036732.9006
      NW-OU-TE126.291330.561238.040023.887135.1821
      NW-IN-TE130.222831.260032.437730.048033.8883

    • Table 2. Part of the measured relative displacement statistics table

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      Table 2. Part of the measured relative displacement statistics table

      Measuring point numberDaily relative displacement statistics /mmMonthly relative displacement statistics /mm
      MinimumMeanMaximumMinimumMaximum
      B1-ES-RD10.768911.145701.571700.718882.0693
      B2-ES-RD10.773871.210201.719800.773872.3912
      B3-ES-RD10.388260.641120.924640.247821.6396
      B4-ES-RD10.788301.211001.777500.782582.9257
      B1-EN-RD10.750561.154501.591100.570492.0286
      B2-EN-RD10.946251.633502.296600.946253.1153
      B3-EN-RD11.356901.697302.064801.353802.7788
      B4-EN-RD11.114601.925702.825901.114604.1192

    • Table 3. Part of the measured strain statistics table

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      Table 3. Part of the measured strain statistics table

      Measuring point numberDaily strain statistics /μεMonthly strain statistics /με
      MinimumMeanMaximumMinimumMaximum
      B1-ES-ST1-30.3690-3.675523.0649-35.361036.2585
      B2-ES-ST135.728244.652956.175630.570173.1332
      B3-ES-ST147.451858.850375.919447.451898.4956
      U1-ES-ST1-70.7921-61.8326-51.6040-77.8221-33.9587
      U1-ES-ST2-56.0606-38.2689-23.6475-56.060613.0418
      U2-ES-ST212.452224.763837.875212.452263.4232
      U3-ES-ST2-21.8485-5.087816.9891-21.848547.1486

    • Table 4. Measured settlement statistics

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      Table 4. Measured settlement statistics

      Measuring point numberDaily settlement statistics /mmMonthly settlement statistics /mm
      MinimumMeanMaximumMinimumMaximum
      WA-SE-ST10.845730.000131.6671000.24459003.789300
      WA-SW-ST1-2.17100-1.71060-1.120500-2.9658000.171870
      WA-NE-ST10.129270.722361.219300-0.0060831.835900
      WA-NW-ST1-0.98300-0.363790.052606-1.4035000.059309

    • Table 5. Measured tilt angle statistics table

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      Table 5. Measured tilt angle statistics table

      Measuring point numberDaily inclination statistics /（°）Monthly inclination statistics /（°）
      MinimumMeanMaximumMinimumMaximum
      WA-NS-TL10.0032290.0257270.042948-0.0044470.050897
      WA-SS-TL1-0.0085440.00458710.017695-0.0202480.017695
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    Dingbo Zhang, Jun Li, Wei Zhang, Xingchao Duan, Xinwei Zhang, Tian Ma, Weifeng Wang. Application of Fiber Bragg Grating Sensing Technology in the Health Monitoring of Special-Shaped Structures[J]. Laser & Optoelectronics Progress, 2022, 59(5): 0505001

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    Paper Information

    Category: Diffraction and Gratings

    Received: May. 10, 2021

    Accepted: Jun. 11, 2021

    Published Online: Feb. 22, 2022

    The Author Email: Li Jun (ljsiom@126.com)

    DOI:10.3788/LOP202259.0505001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology