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http://dx.doi.org/10.12814/jkgss.2022.21.4.093

Effect of Hydrophobic Condition and Water Content on the Spectral Information of Soil Particle Surface  

Jeong-Jun, Park (Incheon Disaster Prevention Research Center, Incheon National University)
Seung-Kyong, You (Dept. of Civil Engineering, Myongji College)
Kwang-Wu, Lee (Dept. of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Jung-Mann, Yun (Dept. of Construction Information System, ShinAnsan University)
Gigwon, Hong (Dept. of Civil Engineering, Halla University)
Publication Information
Journal of the Korean Geosynthetics Society / v.21, no.4, 2022 , pp. 93-100 More about this Journal
Abstract
This study describes the evaluation results on the effect of soil particle surfaces coated with various hydrophobic conditions on spectral information according to water content. Wettability test and spectral information evaluation test were performed on the hydrophobic coated standard sand. When the standard sand was coated with 1%, 3%, and 5% hydrophobic, the contact angles of sand-water interface were 130°~143°, 129°~144°, and 131°~144°, respectively. This means that the contact angle increased as the degree of hydrophobic coating increased at the same drying time, but the range of the contact angle had the same wettability. This means that the contact angle increases as the hydrophobic coating degree increases at the same drying time, whereas the contact angle range has the same wettability. As a result of spectral information evaluation, the maximum spectral reflectance of the dried sand with hydrophobic condition decreased compared to that of the hydrophilic sand, as the degree of hydrophobic increased. However, the maximum spectral reflectance was increased by increasing the degree of hydrophobic under the same water content conditions.
Keywords
Hydrophobic; Hydrophilic; Wettability; Spectral information; Water content;
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Times Cited By KSCI : 1  (Citation Analysis)
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