STP963

    Measuring Effects of Permeant Composition on Pore-Fluid Movement in Soil

    Published: Jan 1988


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    Abstract

    A laboratory experimental system is described for measuring the effects of permeant composition on pore-fluid movement in a soil specimen mounted in a conventional triaxial cell. These effects include the variation of permeability that arises when the pore-fluid composition changes within a soil, and also the tendency for a permeant composition gradient to cause pore-fluid movement. The system is based on the previously reported capabilities and advantages of the flow-pump method for permeability measurements. The system also utilizes a permeant-control subsystem that facilitates bringing deaired solutions of arbitrary chemical composition from storage reservoirs to the ends of a test specimen.

    Keywords:

    permeability, osmosis, contamination, waste disposal, flow-pump method, permeant chemistry


    Author Information:

    Olsen, HW
    Research civil engineer, environmental engineer, and civil engineering technician, U.S. Geological SurveyConsolidated Gas Transmission Corp., DenverClarksburg, COWV

    Rice, TL
    Research civil engineer, environmental engineer, and civil engineering technician, U.S. Geological SurveyConsolidated Gas Transmission Corp., DenverClarksburg, COWV

    Nichols, RW
    Research civil engineer, environmental engineer, and civil engineering technician, U.S. Geological SurveyConsolidated Gas Transmission Corp., DenverClarksburg, COWV


    Paper ID: STP44869S

    Committee/Subcommittee: D18.14

    DOI: 10.1520/STP44869S


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