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Consolidation of sensitive clay as phase change process

Scott, Ronald F. (1989) Consolidation of sensitive clay as phase change process. Journal of Geotechnical Engineering, 115 (10). pp. 1439-1458. ISSN 0733-9410. doi:10.1061/(ASCE)0733-9410(1989)115:10(1439).

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In one‐dimensional consolidation tests, sensitive clays exhibit a nonlinear compression behavior characterized by a small change in void ratio up to the maximum past effective vertical stress, followed by an abrupt decrease in the void ratio over a small effective stress range. As the effective stress increases still further, the rate of change of void ratio diminishes. It is proposed to represent this behavior by two models, one very simple, and a second somewhat more complex, analogous to those used to describe the phase transition of liquid to a solid with a decrease in temperature below the melting (or solidification) point. The maximum past effective stress is equivalent to the solidification temperature. A simplified analysis, which can be performed by hand, of the one‐dimensional compression of over‐consolidated clay results, and is presented for the field case of the settlement measured at the Olga B test site, with some success.

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Additional Information:© 1989 ASCE. The manuscript for this paper was submitted for review and possible publication on July 1, 1988.
Subject Keywords:Soil settlement; Soft soils; Clays; Solidification; Void ratio; Settlement; Soil consolidation
Issue or Number:10
Record Number:CaltechAUTHORS:20141029-132347389
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Official Citation:Scott, R. (1989). ”Consolidation of Sensitive Clay as Phase Change Process.” J. Geotech. Engrg., 115(10), 1439–1458.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51017
Deposited On:29 Oct 2014 22:53
Last Modified:10 Nov 2021 19:04

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