Journal of applied mechanics
Online ISSN : 1884-832X
Print ISSN : 1345-9139
ISSN-L : 1345-9139
A simple method to predict the consolidation yield stress of compacted soils considering suction effects in unsaturated soil media
Katsuyuki KAWAIEunra KIMHiroyuki NAGARETAAtsushi IIZUKAMichinori HONDA
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2002 Volume 5 Pages 785-792

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Abstract

The objective of this study is to apply mechanics of unsaturated soils to prediction of compacted soils behavior. First, we performed static compaction tests with monitoring the change of applied stress and suction of specimen during compaction. Next, we carried out compression tests for the statically compactedsoil specimen and measured consolidation yield stress of them. As a result, it was found that suction of compacted soil depends on the dry density as well as the water content. Moreover, compression lines of compacted soil retaining samesuction converged into on unique compression line. Finally, we proposed the simple method to predict consolidation yield stress of compacted soil using simplified model of unsaturated soils.

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© by Japan Society of Civil Engineers
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