Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 60, Issue 23, 2312006(2023)

Safety Monitoring of Railway Tunnel Structure During Operation Period Based on Fiber Grating Sensing and Video Displacement Meter Technology

Jun Li*, Dingbo Zhang, Xinwei Zhang, Jiarui Zhang, Ruixu Yao, and Binbin Fan
Author Affiliations
  • College of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
    Equations (1)
    References (37)
    Cited By (2)
    Tools
    Paper Information
    Topics
    Figures & Tables(15)
    Schematic diagram of tunnel safety monitoring system

    Fig. 1. Schematic diagram of tunnel safety monitoring system

    Download full size
    Schematic diagram of FBG structure

    Fig. 2. Schematic diagram of FBG structure

    Download full size
    Schematic diagram of the optical video replacement technology

    Fig. 3. Schematic diagram of the optical video replacement technology

    Download full size
    Schematic diagram of template matching technology

    Fig. 4. Schematic diagram of template matching technology

    Download full size
    Tunnel site working condition

    Fig. 5. Tunnel site working condition

    Download full size
    Comprehensive drawing of sensor installation information

    Fig. 6. Comprehensive drawing of sensor installation information

    Download full size
    Topological diagram of tunnel structure safety monitoring system

    Fig. 7. Topological diagram of tunnel structure safety monitoring system

    Download full size
    Double-layer lined tunnel model

    Fig. 8. Double-layer lined tunnel model

    Download full size
    Tunnel model static load

    Fig. 9. Tunnel model static load

    Download full size
    Tunnel strain map at train passing time

    Fig. 10. Tunnel strain map at train passing time

    Download full size
    Long-term trend chart of tunnel strain stability

    Fig. 11. Long-term trend chart of tunnel strain stability

    Download full size
    Tunnel settlement map at train passing time

    Fig. 12. Tunnel settlement map at train passing time

    Download full size
    Long-term trend chart of tunnel settlement stability

    Fig. 13. Long-term trend chart of tunnel settlement stability

    Download full size

    • Table 1. Data fluction before and after the train passes

      View table

      Table 1. Data fluction before and after the train passes

      Information of mearsuring pointsMearsuring point AMearsuring point B
      Horizontal displacement /mmVertical displacement /mmHorizontal displacement /mmVertical displacement /mm
      Before the traffic-0.100.00-0.400.10
      The first train a0.00-0.501.502.20
      The second train b-8.10-12.90-0.60-0.60
      The third train c-4.30-17.90-2.80-0.50
      After the traffic-0.100.00-0.500.20

    • Table 2. Long-term data of tunnel measuring points

      View table

      Table 2. Long-term data of tunnel measuring points

      Information of mearsuring pointsMearsuring point AMearsuring point B
      Horizontal displacement /mmVertical displacement /mmHorizontal displacement /mmVertical displacement /mm
      Initial displacement-0.100.00-0.200.10
      Displacement of 30 d-0.20-0.10-0.400.30
      Displacement of 60 d-0.20-0.20-0.100.00
      Displacement of 90 d-0.40-0.300.20-0.30
      Displacement of 120 d-0.70-1.400.30-2.90
    Tools

    Get Citation

    Copy Citation Text

    Jun Li, Dingbo Zhang, Xinwei Zhang, Jiarui Zhang, Ruixu Yao, Binbin Fan. Safety Monitoring of Railway Tunnel Structure During Operation Period Based on Fiber Grating Sensing and Video Displacement Meter Technology[J]. Laser & Optoelectronics Progress, 2023, 60(23): 2312006

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Nov. 30, 2022

    Accepted: Mar. 15, 2023

    Published Online: Dec. 4, 2023

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

    DOI:10.3788/LOP223211

    Topics

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