Test method for measuring permeability coefficient of soil body in saturation state or unsaturation state
A technology of permeability coefficient and test method, which is applied in the field of civil engineering test
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[0010] Embodiment: the method for measuring soil saturated and unsaturated permeability coefficient is as follows,
[0011] (1) Determination method of saturated permeability coefficient of soil:
[0012] ①The upper clay plate 6, the lower clay plate 19 and the sample 17 are pumped and saturated respectively, and then the lower clay plate 19 is installed on the lower base 20, and the cross-sectional area is a and the height is h 1 The sample 17 is installed on the lower clay plate 19, the upper clay plate 6 is installed on the sample 17, the stainless steel side limit ring 7 is stuck between the upper top cover 4 and the pressure chamber base 21 through the rubber pad 16, the stainless steel side limit ring 7 The second miniature water pressure sensor 25 is installed below the left side, and the first miniature water pressure sensor 18 is installed above the stainless steel side limit ring 7 right side;
[0013] ② Install the pressure chamber 2 on the pressure chamber base 21...
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