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http://dx.doi.org/10.17820/eri.2020.7.3.181

Large-scale Levee Monitoring Experiment Using Fiber-optic Sensor and Distributed Temperature Sensing System  

Ahn, Myeonghui (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Bae, Inhyeok (Department of Civil and Environmental Engineering, Korea University of Science and Technology)
Ji, Un (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Kang, Joongu (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Ecology and Resilient Infrastructure / v.7, no.3, 2020 , pp. 181-188 More about this Journal
Abstract
In this study, a temperature distribution sensing method using optical fiber was applied to a large-scale levee experiment, and the applicability of wide-area levee or embankment monitoring technology to observe the changes inside the levee was reviewed. The optical fiber was buried in a large-scale levee, and the temporal and spatial temperature changes were measured according to the water level changes in the reservoir. As the water level of the reservoir increased, the temperature of the embankment slope decreased, and as the infiltration progressed, a change in the spatial location of the temperature change was detected. The temperature change due to embankment infiltration varied depending on the time of the infiltration progress, and the change assumed to be the seepage line could be observed. This study has demonstrated that information about temperature changes inside the levee can be interpreted as the information on the locations that are judged to be relatively vulnerable, investigating the changes in the condition inside the levee.
Keywords
Distributed temperature sensing; Fiber optic temperature sensing; Large-scale levee experiment; Levee monitoring technique;
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Times Cited By KSCI : 3  (Citation Analysis)
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