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Experimental Investigation of Seepage Properties on Weathered Residual Soils  

권형민 (서울대학교 공과대학 지구환경시스템공학부)
김창엽 (서울대학교 공과대학 지구환경시스템공학부)
박영호 (현대건설 기술연구소)
정충기 (서울대학교 공과대학 지구환경시스템공학부)
김명모 (서울대학교 공과대학 지구환경시스템공학부)
Publication Information
Journal of the Korean Geotechnical Society / v.20, no.1, 2004 , pp. 75-82 More about this Journal
Abstract
To evaluate the characteristics of permeability in weathered residual soil, flexible wall permeameter tests are performed using undisturbed samples. The Influence of hydraulic gradient and confining pressure on the permeability of weathered residual soil is analyzed. To compare the characteristics of permeability between weathered soil and sand, similar tests are performed using Jumoonjin sand. Also, piping model tests are performed to investigate the piping resistance of weathered residual soil. As a result, weathered residual soil shows very dependable permeability on hydraulic gradient and very large resisting ability against piping compared with sand.
Keywords
Permeability; Weathered residual soil; Flexible wall permeameter test; Hydraulic gradient; Piping; Seepage;
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