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Soil Stabilization with time and Rice Husk Ash  

민덕기 (울산대학교 공과대학 지구환경시스템공학부)
황광모 (경북전문대학 건설환경과)
김현도 (울산대학교 대학원 지구환경시스템공학부)
황택진 (부산광역시 도시계획국)
Publication Information
Journal of the Korean Geotechnical Society / v.18, no.5, 2002 , pp. 19-25 More about this Journal
Abstract
In this paper, a laboratory investigation was carried out to change the geotechnical properties of clayey soil with quicklime and rice husk ash for surplus soil strength improvement. The organic content of soils is 8.67%, 6.45% and 3.84% respectively. The geotechnical properties of treated soil were evaluated by a series of laboratory unconfined compression test, consolidation test and etc. The test results indicated that the presence of RHA enhanced the efficiency of lime stabilization. Especially, the increase in strength is very high at the first stage, while the significant improvement occurs in a sample C with organic content of 3.84%. These results can be identified by X-ray diffraction(XRD) and scanning electron microscope(SEM). The results of consolidation test indicate that the presence of RHA with lime reduces the properties of swelling of soil. Thus, it was verified that the addition of RHA is more effective than using only lime for soil stabilization.
Keywords
Organic content; Rice husk ash; Strength; Surplus soil; Quick lime;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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