Deformation Monitoring for Subway Tunnels Based on TLS

Gui Zhen He; Jun Yang

doi:10.4028/www.scientific.net/AMR.864-867.2744

Paper Titles

Cenozoic uplift of the Tibetan Plateau on the Global Response to Climate Change
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Application of Differential SAR Interferometry in Mining Subsidence Monitoring
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The Analysis of Dynamic Change of Wetland in Liao River Basin Based on RS and GIS
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Deformation Monitoring for Subway Tunnels Based on TLS
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Studying Chlorophyll-A Concentration of Bosten Lake (Xinjiang, Northwest China) by MERIS Data
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Application of Fuzzy Weights of Evidence Method in Landslide Susceptibility Assessment Based on GIS
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The Method and Implementation of Three-Dimensional Laser Scanning Pipeline Scan Data Outliers Excluded
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Karst Urban Land Use/Cover Change Research - In Guiyang City as an Example
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 864-867Deformation Monitoring for Subway Tunnels Based on...

Deformation Monitoring for Subway Tunnels Based on TLS

Abstract:

The paper studies Terrestrial Laser Scanning used in subway tunnel deformation monitoring. For special narrow subway tunnel structure, the accumulated error between the adjacent station can be eliminated by global registration pattern which is to set the common control point within the section ends. Point cloud slicing is used to calculate the radius of the circle by multi-point coordinate, deformation is fitted to curve to show the monitoring result by analyzing the center coordinates sequence trends and mean curvature. Three-dimensional model of subway tunnel not only improves the accuracy of deformation monitoring, but also reflects the overall deformation trend. This method is applied to monitor deformation for Shanghai Metro Line twelve, comparing with the total station method, high precision of deformation monitoring meet the need.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

2744-2749

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.2744

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Online since:

December 2013

Authors:

Gui Zhen He*, Jun Yang

Keywords:

Deformation Monitoring, Point Cloud Slicing, Subway Tunnels, TLS

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* - Corresponding Author

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