Test device for determination of free expansion rate of swelling rock
A technology of free expansion rate and test device, which is used in the field of test devices for measuring the free expansion rate of expansive rocks, can solve the problems of suspension of operation, repair or repeated construction, hazards, etc., and achieve the effect of ensuring accuracy and stability.
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[0017] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0018] In one embodiment of the present invention, as figure 1 As shown, a test device for measuring the free expansion rate of expansive rock is provided, including: a water adding device, a water level controller 6 (model DZC201-T), a reaction device, a tester and a controller 14 connected in sequence.
[0019] The water adding device includes a water storage tank 1, a catheter 2, a peristaltic pump 3 and a peristaltic pump switch 4; one end of the catheter 2 is inserted into the water storage tank 1, and the other end is connected to the peristaltic pump 3 and extended into the reaction device; the peristaltic pump 3, The peristaltic pump switch 4 and the water level controller 6 are electrically connected. Oxygen-containing deionized water is stored in the water storage tank 1, and the catheter 2 is placed below the liquid level of th...
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