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http://dx.doi.org/10.17820/eri.2019.6.2.120

Experimental Study on Levee Monitoring System for Abnormality Detection Using Fiber Optic Temperature Sensing  

Ahn, Myeonghui (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Ko, Dongwoo (Nature and Technology Inc.)
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.6, no.2, 2019 , pp. 120-127 More about this Journal
Abstract
Medium-scale levee experiments were performed to monitor the infiltration and failure of levee body by applying fiber optic temperature sensing. In this study, bio-polymer soil was spread in the levee slope to increase the strength and intensity. Therefore, the infiltration and failure by overflows were produced in a different way compared to general soil type of levees. This was also observed in the experiment data for temperature changes monitored by fiber-optic distributed temperature sensing system. Through the analysis of temperature changes at specific location by time, the location and initiation time for physical changes and infiltration in levee body could be identified based on temperature variation. In this experiment, the time of rapid changes in temperature was ahead in the inland slope rather than the forceland slope. It was corresponding to the levee failure sequence of first inland slope failure and then the forceland slope failure.
Keywords
Abnormality Detection; Distributed Temperature Sensing; Fiber Optic Temperature Sensing; Levee Experiment; Levee Monitoring;
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Times Cited By KSCI : 3  (Citation Analysis)
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