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Container for collection of undisturbed soil samples, method of collecting, preparing and analysing undisturbed soil samples, and equipment for defining soil hydraulic conductivity
Container for collection of undisturbed soil samples, method of collecting, preparing and analysing undisturbed soil samples, and equipment for defining soil hydraulic conductivity
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机译:采集未扰动土壤样品的容器,采集,制备和分析未扰动土壤样品的方法以及确定土壤水力传导率的设备
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摘要
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 analysing 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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