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Volume 21 Issue 6
Dec 2010
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Journal of Earth Science  > 2010  >  21(6): 856-860.
Echuan Yan, Kun Song, Honggang Li. Applicability of Time Domain Reflectometry for Yuhuangge Landslide Monitoring. Journal of Earth Science, 2010, 21(6): 856-860. doi: 10.1007/s12583-010-0137-6
Citation: Echuan Yan, Kun Song, Honggang Li. Applicability of Time Domain Reflectometry for Yuhuangge Landslide Monitoring. Journal of Earth Science, 2010, 21(6): 856-860. doi: 10.1007/s12583-010-0137-6
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Applicability of Time Domain Reflectometry for Yuhuangge Landslide Monitoring

doi: 10.1007/s12583-010-0137-6
  • 1.

    Three Gorges Research Center for Geo-hazard, Ministry of Education, Wuhan, 430074, China

  • 2.

    Faculty of Engineering, China University of Geosciences, Wuhan, 430074, China

  • 3.

    The 3rd Railway Survey and Architecture Institute, Tianjin, 300142, China

Funds:

the National Natural Science Foundation of China 40672189

the Ministry of Land and Resources of China SXJC-3ZH1D1_[2009]003

the National Basic Research Program of China (973 Program) 2011CB710605

More Information
  • Corresponding author: Yan Echuan, yecyec6970@163.com
  • Received Date: 06 Jun 2010
  • Accepted Date: 16 Aug 2010
  • Publish Date: 01 Dec 2010
    Abstract
  • Yuhuangge (玉皇阁) landslide in Wushan (巫山), Chongqing (重庆), is one of the focal monitoring geological hazards in the Three Gorges Reservoir. Time domain reflectometry (TDR) and in-place inclinometers were arranged to monitor the deep deformation. Time domain reflectometry is based on transmitting an electromagnetic pulse into a coaxial cable grouted in rock or soil mass and watching for reflections of this transmission due to cable deformity induced by the ground deformation. Comparing the monitoring data of No. 5 Station, in the middle profile of the landslide, from June to December of 2008, the depth of slip surface determined by TDR is −33.58 m, which is consistent with the geological condition of the borehole nearby. The deformation curve trend of the TDR and inclinometer is similar, and it is uniform with the deformation caused by the Three Gorges Reservoir 175 m experimental impoundment. Further, TDR can monitor the tiny deformation accurately. Therefore, TDR is applicable to monitor the Yuhuangge landslide deep deformation and reflect the deformation characteristics well. It is significant to promote the application of TDR in landslide monitoring.

     

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    • References(10)
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