Apparatus for measuring saturated hydraulic conductivity of unsaturated porous media
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United States of America Patent
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May 23, 2017
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app pub date -
Sep 10, 2015
filing date -
Sep 11, 2014
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Abstract
A apparatus for measuring saturated hydraulic conductivity of unsaturated porous media in an unsaturated zone of the earth. The measuring apparatus includes a cylinder member inserted into the porous media in a position in which the upper and lower ends of the cylinder member are open, a means for supplying a constant flow rate of water to the cylinder member, and a pressure measuring means for measuring the hydraulic head in response to water flowing into the cylinder member. The measuring apparatus can easily measure the vertical hydraulic conductivity of a foundation based on Darcy's Law in the field. It is possible to accurately measure the hydraulic conductivity of a sedimentary layer in the natural state and easily determine geological characteristics of the soil. It is possible to obtain very accurate information regarding the process of dispersion and movement of contaminants.
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