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Volume 36 Issue 5
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CAO Ding-feng, SHI Bin, YAN Jun-fan, WEI Guang-qing. Distributed method for measuring moisture content of soils based on C-DTS[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(5): 910-915. DOI: 10.11779/CJGE201405015
Citation: CAO Ding-feng, SHI Bin, YAN Jun-fan, WEI Guang-qing. Distributed method for measuring moisture content of soils based on C-DTS[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(5): 910-915. DOI: 10.11779/CJGE201405015
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Distributed method for measuring moisture content of soils based on C-DTS

  • 1. School of Earth Sciences and Engineering, Nanjing University, Nanjing 210046, China; 2. Suzhou NanZee Sensing Technology Co., Ltd., Suzhou 215123, China

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  • Received Date: September 09, 2013
  • Published Date: May 20, 2014
    Graphical Abstract
    • Abstract
  • Based on the carbon-fiber-heating-cable distributed temperature sensing system (C-DTS), a new distributed method for measuring the moisture content of soils is proposed. The temperature of soil-buried-cable is measured by C-DTS in this method. The moisture content of soils is determined by the relationship between the temperature characteristic value (Tt) and the moisture content. Tt is defined, and it is proved that there is a linear relationship between the moisture content and Tt. The relevant parameters can be determined by calibration experiment. The experimental results show that the moisture content of soils can be measured effectively through artificial heating carbon-fiber-cable, and the usage of DTS provides distributed measurement. The accuracy of this method is related to the section of Tt. The success of the proposed method provides a very advanced distributed approach for measuring the moisture content of soils. Further improvement and popularization are required.
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    • References (15)
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