Research Article
Mar 1965
In-Situ Strength Characteristics of Soft Clays
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VIEW THE REPLYPublication: Journal of the Soil Mechanics and Foundations Division
Volume 91, Issue 2
Abstract
The change in effective stress condition resulting from sampling of saturated clays is examined. A link, in terms of Hvorslev strength parameters, ce and ∖a/e, is established between the perfectly undisturbed sample strength and the in-situ strength. The theoretical analysis and the supporting experimental data indicate that for normally consolidated saturated sensitive clays, the in-situ strength and pore-pressure coefficient, Af, are significantly different from those measured on even perfectly undisturbed samples in unconsolidated-undrained triaxial compression tests. An expression is proposed for the evaluation of the in-situ strength of normally consolidated saturated clays in terms of the soil strength parameters, ce and ∖a/e, and the pore-water pressure coefficient, Af, in-situ.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 91 • Issue 2 • March 1965
Pages: 49 - 80
Copyright
© 1965 American Society of Civil Engineers.
History
Published in print: Mar 1965
Published online: Feb 12, 2021
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Authors
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Iraj Noorany, AM.ASCE
Asst. Prof. of Civ. Engrg., San Diego State Coll., Calif.
H. Bolton Seed, M.ASCE
Prof. of Civ. Engrg., Univ. of California, Berkeley, Calif.
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