SYMPOSIA PAPER Published: 01 January 1977
STP26980S

Chemical Treatment of a Sensitive, Cemented Clay (Champlain Clay)

Source

Significant changes in the geotechnical characteristics of a highly sensitive, cemented, marine clay (Champlain clay) were recorded following its treatment with hydrated lime (by mechanical mixing). Increase of the liquid and plastic limit, decrease of the sensitivity, and also increase of the unconfined compression strength were observed. Following the lime treatment, the clay also became nonerodible. The improvement of the geotechnical characteristics are dependent of the lime concentration; however, it seems that a peak is reached for about 3 to 4 percent lime concentration, above which no significant increase can be detected. These improvements are also curing time dependent.

Author Information

Dascal, O
Geology and Soil Mechanics Service, Hydro-Quebec, Montreal, P.Q., Canada
Hurtubise, J
Geology and Soil Mechanics Service, Hydro-Quebec, Montreal, P.Q., Canada
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Details
Developed by Committee: D18
Pages: 69–73
DOI: 10.1520/STP26980S
ISBN-EB: 978-0-8031-4696-9
ISBN-13: 978-0-8031-0192-0