Forensic Investigation of Pavement Premature Failure due to Soil Sulfate-Induced Heave
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 134, Issue 8
Abstract
Current practice does not recommend stabilizing high sulfate-bearing soils using calcium-based stabilizers due to high potential swell and low retained unconfined compressive strength. In this technical note, a series of tests has demonstrated that a combination of lime and fly ash (Class F) proved to be the most suitable stabilizer for a high sulfate-bearing soil, and a combination of lime and slag seemed to be the most effective stabilizer for a moderate sulfate-bearing soil in terms of retained unconfined compressive strength and three-dimensional free swell potential.
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Acknowledgments
The writer acknowledges and expresses gratitude for the assistance of Ronald Hatcher, P.E., lab supervisor; Darwin Lankford, P.E., director of operations; and Chris Reed, P.E., area engineer in the Childress District.
References
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Information & Authors
Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 134 • Issue 8 • August 2008
Pages: 1201 - 1204
Copyright
© 2008 ASCE.
History
Received: Oct 20, 2006
Accepted: Sep 14, 2007
Published online: Aug 1, 2008
Published in print: Aug 2008
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