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    Volume 23, Issue 4 (December 2000)

    Interfacial Parameters and Work of Adhesion in Soil-Liquid Systems

    (Received 26 April 1999; accepted 17 May 2000)

    Published Online: 01 December 2000


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    The surface/interfacial properties and soil-liquid interaction are studied to serve as a preliminary study to interpret engineering behavior of soils. To fully understand the nature of fine-grained soil-pore fluid interaction, the work of adhesion of liquids on kaolinite and bentonite is determined by means of measuring soil-liquid contact angle by the Wilhelmy Plate technique and horizontal capillarity. The results reveal that work of adhesion of soils with organic liquids varies considerably depending on the surface tension of the organic liquids (cohesive forces) as well as the liquid-soil adhesive forces. Further, surface parameters of the soils, γSLW, γS#x002B;, and γS are determined and compared with the values reported in the literature. The results reported in this study are compared with the previous ones in the literature. The agreement between the results of this study and reported results in the literature is good. Results also revealed that when the soil particles are wetted with water, organic liquids couldn't displace water molecules and change the soil microstructure. Based on the obtained results, it is concluded that studying the work of adhesion is a very useful way of understanding soil-liquid interaction and predicting engineering behavior of soils.

    Author Information:

    Kaya, A
    Assistant professor, Dokuz Eylul University, Kaynaklar Kampusu, Izmir,

    Lloyd, TB
    Research scientist, Polymer Interface Center, Lehigh University, Bethlehem, PA

    Fang, H-Y
    Distinguished research associate, Center for Environmental Engineering and Science Technologies (CEEST), University of Massachusetts at Lowell, Lowell, MA

    Stock #: GTJ11067J


    DOI: 10.1520/GTJ11067J

    Title Interfacial Parameters and Work of Adhesion in Soil-Liquid Systems
    Symposium ,
    Committee D18