Chapter
Apr 26, 2012
Effect of an Anionic Surfactant on the Clayey Soil Suction Behavior
Authors: Kalaiarasi Vembu [email protected] and C. Vipulanandan [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
In this study, the effects of an anionic surfactant on the suction-moisture relationships of kaolinite, montmorillonite and a clayey soil were investigated. The surfactant used in this study was a commercially available surfactant Sodium dodecyl sulfate (SDS), which was used in contaminated soil treatment. The surfactant reduces the surface tension of water to less than 35 dynes/cm with a critical micelle concentration (CMC) of 2.3 g/L and hence could affect the behavior of unsaturated soils. The influence of the 5 g/L of surfactant on the soil water characteristic curve (SWCC) was investigated. The anionic surfactant affects the SWCC at lower moisture contents for montmorillonite and the clay soil. The anionic surfactant had minimal effect on the kaolinite SWCC relationship.
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Published In
Geo-Frontiers 2011: Advances in Geotechnical Engineering
Pages: 2768 - 2775
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© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
Graduate student, Center for Innovative Grouting Materials and Technology (CIGMAT), Department of Civil and Environmental Engineering, University of Houston, Houston, Texas 77204-4003.E-mail: [email protected]
Professor and Director of Center for Innovative Grouting Materials and Technology (CIGMAT), and Director of Texas Hurricane Center for Innovative Technology, Department of Civil and Environmental Engineering, University of Houston, Houston, Texas 77204-4003.E-mail: [email protected]
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