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Comparison of Soil Suction and One-Dimensional Consolidation Characteristics of a Highly Plastic Clay

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.4224/20378888
AuthorSearch for:
FormatText, Technical Report
Physical description12 p.
Subjectclay soils; soil consolidation; hygroscopicity
Abstract
Investigation of the shrinking and swelling action of highly plastic clays on the Prairie Provinces has been carried out for several years by DBR/NRC. The problem facing engineers associated with the building industry is the lack of an analysis whereby the probable amount of vertical movement of a light structure can be predicted. A literature review of research work in England, South Africa, Australia, Israel and the United States was conducted and a study made of two analyses that have been developed; one by Croney et al ( 1952) and the other by Jennings (1957). A testing program was conducted which involved the determination of moisture- suction characteristics of Regina Clay and a comparison of these results with the moisture-pressure relationships obtained by the conventional consolidation test. It was found that virgin pressure-void ratio curves are essentially the same for both consolidation and suction tests at close to full saturation. The curvatures of the recompression branches, however, of the pressure-void ratio curves for the two test techniques are quite different.
Publication date
PublisherNational Research Council of Canada
Series
  • Technical Paper (National Research Council of Canada. Division of Building Research), no. DBR-TP-245.
LanguageEnglish
Peer reviewedNo
NRC numberNRCC 9684
NRC-IRC-1300
NPARC number20378888
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Record identifier14d53325-ff5f-4fbc-ae52-00b88c937b5f
Record created2012-07-24
Record modified2023-02-01
Date modified: