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Optics and Precision Engineering, Volume. 31, Issue 13, 1988(2023)

Ground deformation analysis along island subway line by fusing time-series InSAR and LiDAR techniques

Ming GUO1...2, Xingyu TANG1, Yunming LIU3,*, Changwei WANG4 and Yujin WEI4 |Show fewer author(s)
Author Affiliations
  • 1School of Geomatics and Urban Spatial Informatics， Beijing University of Civil Engineering and Architecture， Beijing0266， China
  • 2Engineering Research Centre of Representative Building and Architectural Heritage Database， Ministry of Education， Beijing100044， China
  • 3Beijing Urban Construction Survey and Design Institute Co， Beijing100101， China
  • 4College of Resources and Environment， South China Agricultural University， Guangzhou51062， China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (18)
    Equations (1)
    References (20)
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    Figures & Tables(18)
    Overview map of study area

    Fig. 1. Overview map of study area

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    Route map of Xiamen No.2 line project

    Fig. 2. Route map of Xiamen No.2 line project

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    Point cloud data and scope of study

    Fig. 3. Point cloud data and scope of study

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    Water level distribution map

    Fig. 4. Water level distribution map

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    Technology roadmap for ground deformation analysis along island subway line

    Fig. 5. Technology roadmap for ground deformation analysis along island subway line

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    encapsulation and fit alignment

    Fig. 6. encapsulation and fit alignment

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    3D analysis results

    Fig. 7. 3D analysis results

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    Comparison results

    Fig. 8. Comparison results

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    PS-InSAR deformation rate results

    Fig. 9. PS-InSAR deformation rate results

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    SBAS-InSAR deformation rate results

    Fig. 10. SBAS-InSAR deformation rate results

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    Local analysis maps

    Fig. 11. Local analysis maps

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    Lv Chu cave-in accident site

    Fig. 12. Lv Chu cave-in accident site

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    Accident area analysis selection map

    Fig. 13. Accident area analysis selection map

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    Time-series settlement changes in accident area

    Fig. 14. Time-series settlement changes in accident area

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    Two-dimensional comparison of selected section locations

    Fig. 15. Two-dimensional comparison of selected section locations

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    • Table 1. Parameters of sentinel-1A satellite imaging mode

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      Table 1. Parameters of sentinel-1A satellite imaging mode

      模 式入射角/（°）分辨率/m

      幅宽/

      km

      		极化方式
      条带成像20-455×580全极化
      干涉宽幅29-465×20250全极化
      超宽幅19-4720×40400全极化
      波浪22-355×520×20HH，VV

    • Table 2. Statistic of sections with accumulated settlement changes of more than 10 mm

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      Table 2. Statistic of sections with accumulated settlement changes of more than 10 mm

      序号测段名称点号里程/km最大变化量/mm
      11号站右线MBY10K4+634.9-10.3
      22号站~3号站区间XZZ35，XZY36左K7+122.0、右K7+122.0-10.5，-10.8
      34号站左线SDZ2~SDZ13K38+264.0~K38+562.6-27.5
      44号站右线SDY2~SDY8K38+262.6~K38+502.6-27.9
      5某停车场出入场线区间左线R28K0+000.0-13.5
      6某停车场出入场线区间右线C01~C03K0+000.0~K0+060.0-16.6

    • Table 3. Comparison of local point settlement

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      Table 3. Comparison of local point settlement

      点名参考模型位置比较点云位置

      沉降值/

      mm

      XYZXYZ
      1-4.567 680.328 035.989 8-4.556 480.326 035.989 9-0.011 3
      2-2.118 284.808 436.002 8-2.102 084.809 236.002 90.016 3
      3-4.274 786.109 835.991 4-4.332 886.110 435.991 00.058 1
      4-2.314 089.432 236.001 8-2.209 989.433 136.002 30.104 1
      5-0.779 579.360 934.717 8-0.782 579.360 934.717 8-0.003 0
      6-5.749 781.716 534.717 8-5.753 181.673 734.717 80.042 9
      7-5.650 485.729 334.717 8-5.684 285.722 034.717 80.034 6
      8-0.764 288.055 934.717 8-0.744 988.062 634.717 80.020 5
      9-5.611 290.086 634.717 8-5.607 290.086 634.717 8-0.004 0
      10-6.009 080.547 233.151 9-6.012 080.547 433.151 90.003 0
      11-0.517 382.763 433.124 1-0.518 382.763 633.124 1-0.001 0
      12-5.983 185.781 133.151 7-5.958 885.780 933.151 6-0.024 2
      13-0.419 589.100 733.123 6-0.448 489.068 333.123 7-0.043 4
      14-5.893 190.703 733.151 3-5.923 790.690 233.151 40.033 5
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    Ming GUO, Xingyu TANG, Yunming LIU, Changwei WANG, Yujin WEI. Ground deformation analysis along island subway line by fusing time-series InSAR and LiDAR techniques[J]. Optics and Precision Engineering, 2023, 31(13): 1988

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    Paper Information

    Category: Information Sciences

    Received: Sep. 5, 2022

    Accepted: --

    Published Online: Jul. 26, 2023

    The Author Email: LIU Yunming (liuyunming@cki.com.cn)

    DOI:10.37188/OPE.20233113.1988

    Topics

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