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Estimation of Slope Behavior by Soil Temperature  

장기태 (국립금오공과대학교 토목공학과)
한희수 (국립금오공과대학교 토목공학과)
유병선 (국립금오공과대학교 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.6, 2003 , pp. 407-418 More about this Journal
Abstract
It is necessary, in the light of the importance of long-term slope stability problem, to develop a simple method or tool which can figure out the possible failure surface resulting from weathering effect and other factors. The FBG(Fiber Bragg Crating) sensor system is used to estimate the correlations between the soil temperature and the slope behavior, and to find a failure surface in slopes effectively. This research is to seek for the correlation between the soil temperature distribution and the strain distribution of the reinforcing materials in an active zone by analyzing the data from the in-situ measurement so that the possible failure surface should be well defined based on the correlation. The zone of high temperature fluctuation can be regarded as one of the possible failure surface due to the weathering effect while the constant temperature depth of the ground, if exists, would not be relatively affected by the weathering process.
Keywords
FBG sensor; Slope stability; Soil temperature distribution; Strain distribution;
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