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논문 기본 정보

자료유형
학술저널
저자정보
Estabragh, A.R. (Assistant Professor in Geotechnical Engineering, Faculty of Soil and Water Engineering, University of Tehran) Javadi, A.A. (Computational Geomechanics Group, College of Engineering, Mathematics and Physical Sciences, University of Exeter)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제4권 제1호
발행연도
2012.1
수록면
55 - 65 (11page)

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This paper presents the results of an experimental study on the effect of suction on compressibility and shear behaviour of unsaturated silty soil under various types of loading. A series of laboratory experiments were conducted in a double-walled triaxial cell on samples of a compacted silty soil. In the experiments the soil samples were subjected to isotropic consolidation followed by unloading and subsequent reloading under constant suction and prescribed overconsolidated ratio. The experimental results are presented in the context of an elasto-plastic model for unsaturated soil. The effects of suction on mechanical behaviour of unsaturated silty soil are presented and discussed. It is shown that increasing suction affects the shear behaviour of unsaturated soils, but there is a limit beyond which, further increase in suction will not result in any significant change in the behaviour.

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