Field test and measurement method of strength characteristics of unsaturated soil
A field test and measurement method technology, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of unsaturated soil disturbance, suction fluctuation change, and affecting the suction of the bottom soil layer, etc., to achieve small construction area and disturbance small effect
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[0029] see Figure 1-8 Shown:
[0030] A field test method for determining strength characteristics of unsaturated soil, comprising the following steps:
[0031] (1) In this method, two holes are set in the determination of the strength characteristics of unsaturated soil, one is the test hole A, and the other is the suction test hole B. According to the design depth, use a Luoyang shovel with a diameter of 150mm to dig the vertical test hole A at the exploration point to the design depth, use a Luoyang shovel with a diameter of 50mm to dig the vertical suction test hole B at a distance of 300mm from the test hole A, and the suction test hole B The depth of the test hole A is the same as that of the test hole A, respectively, and the bottom of the hole is flattened; the suction test hole B is at a position 300mm away from the test hole A. This position is in the area affected by the load and will not affect the entire load-displacement response. Effectively measure the sucti...
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