A kind of soil contact angle testing device and method
A testing device and contact angle technology, which is applied in the field of soil testing, can solve problems such as the inability to accurately measure soil contact angle, and achieve the effect of avoiding inaccurate contact angle testing, direct measurement results, and easy portability
Active Publication Date: 2021-07-23
CHANGAN UNIV
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Problems solved by technology
[0004] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a soil contact angle testing device and method to solve the problem that the soil contact angle cannot be accurately measured in the prior art
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Embodiment
[0039] The present embodiment provides a kind of soil contact angle testing device, as Figure 1 to Figure 8 As shown, the frame 1 comprising a rectangular parallelepiped structure, the support foot 2 installed at the bottom of the frame 1 and the beam 3 installed at the top of the frame 1, the sample hanging component 4 installed on the beam 3, and the A sample assembly 5 and a camera assembly 6 installed on the frame;
[0040] The sample hanging component 4 includes a lifting motor 41 installed on the beam 3, a lifting rod 42 installed at the lower end of the lifting motor 41, and a ring knife slot 43 installed at the lower end of the lifting rod 42. And the ring knife 44 installed at the end of the ring knife slot 43;
[0041] The sample testing assembly 5 includes a sample testing platform 51 placed inside the frame 1 and a water container 52 placed on the sample testing platform 51;
[0042] The photographing assembly 6 includes a photographing platform 61 mounted on th...
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The invention provides a soil contact angle testing device and method. The testing device includes a frame, a support foot installed on the bottom of the frame, a beam installed on the top of the frame, a sample hanging component installed on the beam, a mounting The sample testing component inside the frame and the camera component installed on the frame. The present invention also provides a soil contact angle testing method, which uses the soil contact angle testing device as described above and includes the steps of preparing a sample, initializing the testing device, testing and photographing, contact angle calibration and calculation. The soil contact angle testing device and method of the present invention avoids the problem of inaccurate contact angle testing caused by water droplets soaking the soil by preparing samples, contacting the water surface, and then pulling out the liquid bridge, and improves the testing accuracy; compared with traditional methods and Compared with the device, the device has simple operation and low maintenance requirements, and can also be applied to the measurement of other solid-liquid contact angles, has a wide range of applications, and is easy to popularize and use.
Description
technical field [0001] The invention relates to the technical field of soil detection, and relates to the test of soil contact angle, in particular to a soil contact angle test device and method. Background technique [0002] In the field of geotechnical engineering, the wettability and capillary action of rock and soil are two important properties, and these two properties are also widely used in the engineering field, such as the application of wettability in oil and gas extraction, capillary Application in slope protection and foundation treatment. Therefore, measuring soil contact angle is of great significance for evaluating soil wettability and capillarity. [0003] At present, in the fields of petroleum, chemical industry, etc., the direct measurement method of contact angle, such as using liquid droplets to directly drop on the surface of the sample to take pictures and calculate, or the indirect measurement method, such as using equivalent calculation of materials ...
Claims
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IPC IPC(8): G01N13/00
CPCG01N13/00
Inventor 井彦林王梁鑫杨丽娜张志权贾卓龙陶春亮王昊
Owner CHANGAN UNIV