Suction accurately controlled pressure plate instrument capable of directly saturating soil sample
A precise control and soil sampling technology, applied in soil material testing, material inspection products, etc., can solve the problems of easily neglected water evaporation errors, difficult to determine suction balance conditions, affecting test results, etc. The judgment and measurement method are convenient, and the effect of improving the test accuracy
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[0068] Such as figure 1 and figure 2 As shown, the present invention includes a pressure chamber system 1, a suction control system 2, a soil sample suction saturation system 3, a flushing system 4, a water quality measurement system 5 and an automatic data acquisition system 6; the pressure chamber system 1 includes a base and a setting The top cover above the base, and the clay plate 19, the sample preparation device 21 and the temperature control and moisture retention device installed on the base; the top cover includes a consolidation top cover and a common top cover 28, and the base It consists of an upper base 15 and a lower base 16 which are connected. The sample preparation device 21 is installed on the upper base 15. The lower base 16 has a scour groove 17, and the clay plate 19 is set in the scour groove. On the groove 17, the scouring system 4 is connected with the scouring groove 17 and is used for scouring the air diffused from the clay plate 19, the scouring s...
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