Method of collecting, preparing and analysing undisturbed soil samples for purposes of defining soil hydraulic conductivity and equipment for collecting, preparing and analysing undisturbed soil samples for purposes of defining soil hydraulic conductivity
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United States of America Patent
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Mar 28, 2017
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N/A
app pub date -
Jan 4, 2013
filing date -
Feb 20, 2012
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Abstract
A container consists of two external cylinders: bottom and top, between which a middle cylinder, designed for a sample, is situated. A method of collecting, preparing and analyzing undisturbed soil samples to define soil hydraulic conductivity generally bases on measurement of volume of water flowing through the sample as a function of time and temperature at a defined hydraulic drop. An equipment consists of a base (6) with a perforated socket (7) to which a pressure column (10) is fitted disconnectedly. A lower edge of the column (10) turns into a flange (11) with holes for screws (12) corresponding to openings made in the base (6). In the base (6) there are horizontal deaeration ducts (8) connected to a vacuum pump. The ducts (8) reach the first grooves of the socket (7). The whole is situated in the external cylinder (17).
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