2002
DOI: 10.1139/t01-086
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A study of critical state on an unsaturated silty soil

Abstract: Critical state models for unsaturated soils have been proposed in recent years; however, the proposed models have been based on limited experimental data. Compacted specimens have generally been used for research, and the complications of soil fabric resulting from the compaction procedures have brought difficulties into the interpretation of fundamental soil behavior. There is a need to undertake further laboratory research studies on unsaturated soils, particularly to obtain a fundamental understanding of th… Show more

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Cited by 57 publications
(21 citation statements)
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“…The compression index of a second group of soils increased with matric suction. This was reported for loess soil (Adams and Wulfsohn, 1998;Kogho et al, 2001;Wang et al, 2002;Futai and Almeida, 2005) and for sandy soils (Futai and Almeida, 2005). Our results tend to agree with the second group.…”
Section: Variation Of Compression Index With Soil Texturesupporting
confidence: 90%
“…The compression index of a second group of soils increased with matric suction. This was reported for loess soil (Adams and Wulfsohn, 1998;Kogho et al, 2001;Wang et al, 2002;Futai and Almeida, 2005) and for sandy soils (Futai and Almeida, 2005). Our results tend to agree with the second group.…”
Section: Variation Of Compression Index With Soil Texturesupporting
confidence: 90%
“…Samples bulged at failure and shear faulting was observed showing transition from brittle failure to ductile flow. Similar findings have been reported by among others and Wang et al (2001) while working on soybean and silt soils of high sand content, respectively. The predictive Eq.…”
Section: Stress-strain Relationshipssupporting
confidence: 91%
“…Increasing in water content, the state of unsaturated granular materials has been categorized into the pendular state, the funicular state, and the capillary state (or insular state) as the liquid phase changing from isolated water bridges to liquid clusters (Bear 1972;Iveson et al 2001;Mitarai and Nori 2006;Newitt and Conway-Jones 1958). Experimental tests have been carried out extensively to investigate the capillary strengthening effect (Fall et al 2014;Kim and Sture 2008;Lu et al 2007;Öberg and Sällfors 1997;Pierrat and Caram 1997;Wang et al 2002), water retention characteristics of unsaturated granular materials (Fredlund and Xing 1994;van Genuchten 1980;Yang et al 2004), and thus to develop models characterising mechanical behaviours of unsaturated granular materials (Alonso et al 1990;Bishop and Blight 1963;Fredlund et al 1978).…”
Section: Introductionmentioning
confidence: 99%