Experimental method for obtaining nuclide migrating parameters in clay by utilizing flexible-wall permeameter
An experimental method and technology of permeameter, applied in the field of nuclide migration parameter testing and soil analysis methods, to achieve the effects of preventing pollution and leakage, shortening the experimental period, and increasing the rate
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[0026] Embodiment 1. The experimental method for obtaining the migration parameters of nuclides in clay by using a flexible wall permeameter, the experimental method comprises the following steps:
[0027] 1. Press the clay material into multiple cylindrical samples with a determined dry density, and put them into the pressure chamber of the flexible wall permeameter for saturation; after the saturation is completed, add tracer nuclides evenly at the bottom of the samples, and set different pressures to carry out experiments , the exudate is collected regularly at the outlet, and the seepage rate is calculated;
[0028] 2. When the tracer nuclide appeared in the exudate of the sample under the highest pressure, stop the experiment, take out each sample and cut it into 1mm slices along the axial direction, digest, measure the concentration of nuclide, and obtain multiple groups of nuclides along the axis of the soil column. To the nuclide concentration distribution curve;
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