Physico-Chemical Behavior of Dry Silty Clays
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 124, Issue 5
Abstract
This study reports the influence of physico-chemical factors on the swell/collapse characteristics of laboratory-prepared dry silty clay specimens. Also, a comparison of the physico-chemical behavior of dry and saturated silty clay specimens is made in light of an earlier proposed concept for saturated clays. Dry sodium-rich/calcium-rich silty clay specimens were wetted with tap water, 0.4 N sodium chloride, and 0.4 N calcium chloride solutions in the double odometer tests. The compression behavior of the saturated silty clay specimens was dominated by the physico-chemical effects at all the experimental pressures. Comparatively, the physico-chemical effects dominated the volume change behavior of the dry silty clay specimens on wetting only at the lower stresses, whereas the mechanical effects prevailed at the higher stresses.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 124 • Issue 5 • May 1998
Pages: 451 - 453
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: May 1, 1998
Published in print: May 1998
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