Experimental Studies on Strength and Deformation Characteristics of Unsaturated Clay (II)

概要

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Strength and deformation characteristics of compacted soils, which are usually under unsaturated condition, are strongly influenced by the moisture content of the soil, while the compaction method might affect these characteristics more directly. In this paper, the influence of moisture content upon the strength and deformation characteristics of unsaturated clays are examined. From the results, followings properties are clarified considering the suction effect: (1) shear strength of specimen become maximum at w_<opt> (w_<opt>: optimum moisture content) condition or slightly drier than w_<opt>, (2) pore pressure occurred in shearing become larger as increasing of the moisture content of specimen, while the volume expansion of specimen become smaller. These results are indispensable to investigate the suction effects of soil, and suggest the importances of moisture content management in soil compaction.
大阪府立大学の論文
1998-03-31