CN109085095A - A kind of soil contact angle test device and method - Google Patents
A kind of soil contact angle test device and method Download PDFInfo
- Publication number
- CN109085095A CN109085095A CN201810895254.2A CN201810895254A CN109085095A CN 109085095 A CN109085095 A CN 109085095A CN 201810895254 A CN201810895254 A CN 201810895254A CN 109085095 A CN109085095 A CN 109085095A
- Authority
- CN
- China
- Prior art keywords
- contact angle
- soil
- cutting ring
- test device
- video camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 239000002689 soil Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000010998 test method Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 43
- 230000003028 elevating effect Effects 0.000 claims description 15
- 229940099259 vaseline Drugs 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention gives a kind of soil contact angle test device and methods, test device includes rack, is mounted on the support foot of bottom of the frame and is installed on the crossbeam of frame top, further includes the test sample component for hanging sample component, being installed on the inside of rack being installed on crossbeam and the component of taking pictures being installed in rack.The present invention gives a kind of soil contact angle test method, this method using soil contact angle test device as described above and include the steps that preparing sample, test device initialization, test and take pictures, contact angle is demarcated and is calculated.Soil contact angle test device and method of the invention contacts the water surface, then pulls out the mode of liquid bridge, avoid the problem of contact angle test inaccuracy caused by water droplet infiltration soil, improve measuring accuracy by preparing sample；Easy to operate compared with conventional method and equipment, plant maintenance requirement is low, can be applicable to the measurement at other solid-liquid contact angles, applied widely, use easy to spread.
Description
Technical field
The present invention relates to Soil K+adsorption technical fields, are related to the test of soil contact angle, and in particular to a kind of soil contact
Angle test device and method.
Background technique
In geotechnical engineering circle, the wettability and capillarity of rock and soil are two kinds of important properties, and both
Property is also very extensive in the application of engineering circles, and such as application of the wettability in petroleum, natural gas extraction, capillarity is in side slope
Application in protection, basement process.Therefore, soil contact angle is measured, is had emphatically to the wettability and capillarity of evaluation soil
The meaning wanted.
At present in fields such as petroleum, chemical industry, the direct measuring method of contact angle such as utilizes drop directly to drip in specimen surface
Carry out take pictures calculating or the indirect measurement method such as known contact angle material Equivalent Calculation of utilization.But since soil is a kind of
The three-phase porous material of solid, liquid, gas composition, gap is more, is easy infiltration, existing test device and method connect soil
Feeler measurement result is inaccurate.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of soil contact angle test devices
And method, to solve the problems, such as in the prior art can not accurately measure soil contact angle.
In order to solve the above-mentioned technical problem, the application, which adopts the following technical scheme that, is achieved:
A kind of soil contact angle test device including rack, is mounted on the support foot of bottom of the frame and is installed on rack top
The crossbeam in portion further includes the test sample component for hanging sample component, being installed on the inside of rack being installed on crossbeam and is installed in rack
Component of taking pictures；
The sample component that hangs includes the lifting motor being installed on the crossbeam, is installed under the lifting motor
The elevating lever at end, the cutting ring card slot for being installed on the elevating lever lower end and the cutting ring for being installed on the cutting ring card slot end；
The test sample component includes being placed in the test sample platform on the inside of rack and being placed on the test sample platform
Water ware；
The picture shooting assembly includes the platform for video camera for being mounted on rack side and the video camera being mounted on platform for video camera.
The present invention also protects a kind of soil contact angle test method, and this method uses soil contact angle test as described above
Device.
The present invention also has following technical characteristic:
Specifically, the sample component that hangs further includes the stop collar and stop collar being socketed on outside the elevating lever
Fixed link, the stop collar are installed on the crossbeam by stop collar fixed link；
Messenger wire and universal horizontal device, messenger wire one end connection are also equipped between the elevating lever and lifting motor
And be wrapped on lifting motor output shaft, the affixed universal horizontal device of the other end, the universal horizontal device is installed on the liter
Bar top drops.
Specifically, the cutting ring end is provided with cylindrical bore.
Specifically, the support foot height is adjustable.
Specifically, the platform for video camera height is adjustable, the video camera is at least arranged one, camera lens axis
It is parallel and towards water ware.
Specifically, the water ware is made by transparent material.
Specifically, method includes the following steps:
Step 1 prepares soil pattern, cutting ring is removed from cutting ring card slot, and vaseline is smeared on the inside of it, will be to be measured
The soil pattern compacting of contact angle is prepared as diameter and length with the cylindrical sample of cutting ring diameter of bore, and in sample side
Vaseline is smeared, sample is installed in cutting ring, specimen surface is concordant with bore end in cutting ring；
Step 2, test device initialization, adjustment support foot height make bubble in universal horizontal device be in center,
The height for adjusting cutting ring enables cutting ring bottom to be higher than edge on water ware, and full water is injected into water ware, and adjustment camera shooting platform for video camera is high
Degree guarantees the water surface in video camera axis parallel water ware；
Step 3 is tested and is taken pictures, and is opened video camera and is photographed to record in real time, then opens the switch of lifting motor,
So that sample is come into full contact with the water surface, then control lifting motor and at the uniform velocity invert, at the uniform velocity increase and finally and hot separation cutting ring；
Step 4, contact angle calibration and calculating, intercept liquid bridge photo, then respectively to liquid from the recording photograph of video camera
Tangent line is done in the contact point on water and soil pattern surface on bridge interface, and measures the angle between tangent line and horizontal line, which is
Required contact angle is finally averaged gained contact angle values, obtains final contact angle values.
Compared with prior art, the present invention beneficial has the technical effect that
(I) soil contact angle test device and method of the invention contacts the water surface, then pulls out liquid bridge by preparing sample
Mode, avoid water droplet infiltration soil caused by contact angle test inaccuracy problem, improve measuring accuracy；
(II) soil contact angle test device and method of the invention has operation letter compared with conventional method and equipment
Single, plant maintenance requirement is low, and easy to carry, measurement result is more direct；
(III) soil contact angle test device and method of the invention can be applicable to other solid-liquid contact angles
Measurement, applied widely, use easy to spread.
Detailed description of the invention
Fig. 1 is test device practice overall structure diagram of the invention；
Fig. 2 is the left view structural representation of test device of the invention；
Fig. 3 is the structural schematic diagram of cutting ring of the invention；
Fig. 4 is contact angle test method detailed process of the invention；
Fig. 5 is the water-immersed schematic diagram in cutting ring lower end of the present invention；
Fig. 6 is the schematic diagram of liquid bridge when cutting ring of the present invention is lifted up；
Fig. 7 is the schematic diagram that soil sample is separated from water preceding liquid bridge in cutting ring of the present invention；
Fig. 8 is the schematic diagram after soil sample is separated from water in cutting ring of the present invention；
The meaning of each label in figure are as follows: 1- rack, 2- support foot, 3- crossbeam, 4- hang sample component, 5- test sample component, 6-
It takes pictures component, 41- lifting motor, 42- elevating lever, 43- cutting ring card slot, 44- cutting ring, 45- stop collar, 46- stop collar fixed link,
47- messenger wire, 48- universal horizontal device, 51- test sample platform, 52- water ware, 61- platform for video camera, 62- video camera.
Explanation is further explained in detail to particular content of the invention with reference to embodiments.
Specific embodiment
In compliance with the above technical solution, specific embodiments of the present invention are given below, it should be noted that the present invention not office
It is limited to following specific embodiments, all equivalent transformations made on the basis of the technical solutions of the present application each falls within protection model of the invention
It encloses.The present invention is described in further details below with reference to embodiment.
Embodiment:
The present embodiment provides a kind of soil contact angle test device, as shown in Figures 1 to 8, the machine including rectangular parallelepiped structure
Frame 1, the support foot 2 for being mounted on 1 bottom of rack and the crossbeam 3 for being installed on 1 top of rack, are installed on crossbeam 3 and hang sample component
4, the component 6 of taking pictures for being installed on the test sample component 5 of 1 inside of rack and being installed in rack；
The sample component 4 that hangs includes the lifting motor 41 being installed on the crossbeam 3, is installed on the lifting electricity
The elevating lever 42 of 41 lower end of machine, the cutting ring card slot 43 for being installed on 42 lower end of elevating lever and it is installed on the cutting ring card slot
The cutting ring 44 of 43 ends；
The test sample component 5 includes being placed in the test sample platform 51 of 1 inside of rack and being placed on the test sample platform
Water ware 52 on 51；
The picture shooting assembly 6 includes being mounted on the platform for video camera 61 of 1 side of rack and being mounted on platform for video camera 61
Video camera 62.
The present embodiment gives a kind of soil contact angle test method, and this method is surveyed using soil contact angle as described above
Trial assembly is set.
A kind of concrete scheme of soil contact angle test device as the present embodiment, the present embodiment hang sample component 4 also
Pass through stop collar including the stop collar 45 being socketed on outside the elevating lever 42 and stop collar fixed link 46, the stop collar 45
Fixed link 46 is installed on the crossbeam 3；
Messenger wire 47 and universal horizontal device 48, the messenger wire are also equipped between the elevating lever 42 and lifting motor 41
47 one end connect and are wrapped on 41 output shaft of lifting motor, the affixed universal horizontal device 48 of the other end, the universal horizontal device
48 are installed on the elevating lever 42.
It opens 44 end of cutting ring of a kind of concrete scheme of soil contact angle test device as the present embodiment, the present embodiment
There is cylindrical bore.
A kind of concrete scheme of soil contact angle test device as the present embodiment, 2 height of support foot of the present embodiment
It is adjustable.
A kind of preferred embodiment of soil contact angle test device as the present embodiment, the platform for video camera 61 of the present embodiment are high
It spends adjustable, described video camera 62 and is respectively arranged one in 1 four side of rack, 62 camera lens axis of video camera is parallel and towards water ware
52。
A kind of preferred embodiment of soil contact angle test device as the present embodiment, the wheel seat 41 and blade of the present embodiment
42 after the common iron carbon filler high temperature baking of releasable iron ion through pressing mold by being integrally formed.
A kind of concrete scheme of soil contact angle test device as the present embodiment, the water ware 52 of the present embodiment is by transparent
Material production.
The soil contact angle of a kind of concrete scheme of soil contact angle test method as the present embodiment, the present embodiment is surveyed
Method for testing the following steps are included:
Step 1 prepares soil pattern, cutting ring 44 is removed from cutting ring card slot 43, and vaseline is smeared on the inside of it, will
The soil pattern compacting of contact angle to be measured is prepared as diameter and length with the cylindrical sample of 44 diameter of bore of cutting ring, and is trying
Vaseline is smeared in sample side, sample is installed in cutting ring 44, specimen surface is concordant with bore end in cutting ring 44；
Step 2, test device initialization, 2 height of adjustment support foot make bubble in universal horizontal device 48 be in centre bit
It sets, adjusts the height of cutting ring 44,43 bottom of cutting ring is enable to be higher than edge on water ware 52, full water, adjustment camera shooting are injected into water ware 52
61 height of platform for video camera, guarantees the water surface in 62 axis parallel water ware 52 of video camera；
Step 3 is tested and is taken pictures, and is opened video camera 62 and is photographed to record in real time, then opens opening for lifting motor 41
It closes, so that sample is come into full contact with the water surface, then control lifting motor 41 and at the uniform velocity invert, cutting ring 44 is made at the uniform velocity to rise and finally divide with the water surface
From；
Step 4, contact angle calibration and calculating, intercept liquid bridge photo from the recording photograph of video camera 62, then right respectively
Tangent line is done in the contact point on water and soil pattern surface on liquid bridge interface, and measures the angle between tangent line and horizontal line, which is
For required contact angle, finally gained contact angle values are averaged, obtain final contact angle values.
Test device and method of the invention especially for to be suitable for porosity larger or have the soil pattern of wellability
Soil contact angle test in.It is larger or have the contact angle of the soil pattern of wellability in test porosity using the prior art
When, when as tested using drop method of lying, water droplet is very short in the specimen surface residence time, most deficiency centiseconds, very
To the shorter time.It since drop staying-time is too short, is created great difficulties to test, while being difficult to ensure measuring accuracy, very
It is larger or have the soil pattern of wellability can not be with as the prior art for the method for dripping of lying carries out soil contact angle to most porositys
Test.Test device of the invention is pioneering to be proposed using lifting out liquid bridge on soil, and then is tested the corner cut of liquid bridge,
Method and apparatus to measure soil contact angle, soil pattern that is larger to porosity or having wellability equally can be carried out test,
And there is good test consistency and accuracy.Further, test device of the invention and method are also applied for it
His porosity or the material without wellability, such as rock, mineral, rubber, concrete contact angle test.
Claims (8)
1. a kind of soil contact angle test device including rack (1), is mounted on the support foot (2) of rack (1) bottom and is installed on
Crossbeam (3) at the top of rack (1), which is characterized in that further include being installed on hanging sample component (4), being installed on rack on crossbeam (3)
(1) test sample component (5) on the inside of and the component of taking pictures (6) being installed in rack；
The sample component (4) that hangs includes the lifting motor (41) being installed on the crossbeam (3), is installed on the lifting
The elevating lever (42) of motor (41) lower end, the cutting ring card slot (43) for being installed on described elevating lever (42) lower end and described in being installed on
Cutting ring card slot (43) end cutting ring (44)；
The test sample component (5) includes being placed in the test sample platform (51) on the inside of rack (1) and being placed on the test sample to put down
Water ware (52) on platform (51)；
The picture shooting assembly (6) includes being mounted on the platform for video camera (61) of rack (1) side and being mounted on platform for video camera (61)
On video camera (62).
2. soil contact angle test device as described in claim 1, which is characterized in that the sample component (4) that hangs further includes
It is socketed on the outer stop collar (45) of the elevating lever (42) and stop collar fixed link (46), the stop collar (45) passes through limit
Position ring fixed link (46) is installed on the crossbeam (3)；
It is also equipped with messenger wire (47) and universal horizontal device (48) between the elevating lever (42) and lifting motor (41), it is described
Messenger wire (47) one end connects and is wrapped on lifting motor (41) output shaft, the affixed universal horizontal device (48) of the other end, described
Universal horizontal device (48) is installed on described elevating lever (42) top.
3. soil contact angle test device as claimed in claim 2, which is characterized in that described cutting ring (44) end is provided with circle
Bore.
4. soil contact angle test device as claimed in claim 2, which is characterized in that support foot (2) height is adjustable.
5. soil contact angle test device as claimed in claim 2, which is characterized in that the platform for video camera (61) highly may be used
It adjusts, the video camera (62) at least be arranged one, and video camera (62) camera lens axis is in parallel and towards water ware (52).
6. soil contact angle test device as claimed in claim 2, which is characterized in that the water ware (52) is by transparent material
Production.
7. a kind of soil contact angle test method, which is characterized in that this method uses such as Claims 1 to 5 any claim 1
The soil contact angle test device.
8. soil contact angle test method as claimed in claim 7, which is characterized in that method includes the following steps:
Step 1 prepares soil pattern, cutting ring (44) is removed from cutting ring card slot (43), and vaseline is smeared on the inside of it, will
The soil pattern compacting of contact angle to be measured is prepared as the cylindrical sample of same cutting ring (44) diameter of bore of diameter and length, and
Vaseline is smeared in sample side, sample is installed into cutting ring (44), specimen surface is concordant with cutting ring (44) interior bore end；
Step 2, test device initialization, adjustment support foot (2) height, bubble in universal horizontal device (48) are made to be in centre bit
It sets, adjusts the height of cutting ring (44), cutting ring (44) bottom is enable to be higher than edge on water ware (52), inject full water to water ware (52) is middle,
Adjustment camera shooting platform for video camera (61) height, guarantees the water surface in video camera (62) axis parallel water ware (52)；
Step 3 is tested and is taken pictures, and is opened video camera (62) and is photographed to record in real time, then opens opening for lifting motor (41)
It closes, so that sample is come into full contact with the water surface, then control lifting motor (41) and at the uniform velocity invert, at the uniform velocity increase and finally and water cutting ring (44)
Face separation；
Step 4, contact angle calibration and calculating, intercept liquid bridge photo, then respectively to liquid from the recording photograph of video camera (62)
Tangent line is done in the contact point on water and soil pattern surface on bridge interface, and measures the angle between tangent line and horizontal line, which is
Required contact angle is finally averaged gained contact angle values, obtains final contact angle values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895254.2A CN109085095B (en) | 2018-08-08 | 2018-08-08 | Soil contact angle testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895254.2A CN109085095B (en) | 2018-08-08 | 2018-08-08 | Soil contact angle testing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085095A true CN109085095A (en) | 2018-12-25 |
| CN109085095B CN109085095B (en) | 2021-07-23 |
Family
ID=64833779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810895254.2A Expired - Fee Related CN109085095B (en) | 2018-08-08 | 2018-08-08 | Soil contact angle testing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085095B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0232986A1 (en) * | 1986-01-17 | 1987-08-19 | Eye Research Institute Of Retina Foundation | Method and apparatus for in vivo ocular wetting determinations |
| WO1993004356A1 (en) * | 1991-08-13 | 1993-03-04 | Hughes Aircraft Company | Surfactant selection method for the extraction of chemical pollutants from soils |
| CN1710403A (en) * | 2004-06-19 | 2005-12-21 | 鸿富锦精密工业（深圳）有限公司 | Atomic-force microscope and its operation method |
| CN101539502A (en) * | 2009-04-30 | 2009-09-23 | 清华大学 | Method for measuring liquid-drop contact angle on solid surface and device thereof |
| CN101692012A (en) * | 2009-09-08 | 2010-04-07 | 南京大学 | Method for synchronously measuring temperature, surface tension and contact angle of droplet by controlling temperature and humidity |
| CN202275039U (en) * | 2011-09-22 | 2012-06-13 | 东华大学 | Temperature control platform apparatus directly used for contact angle instrument |
| CN103852403A (en) * | 2014-03-13 | 2014-06-11 | 深圳大学 | Method for measuring contact angle and surface energy of cement-based material |
| CN104458505A (en) * | 2014-11-09 | 2015-03-25 | 华北电力大学（保定） | Method for determining static contact angle of liquid drop |
| CN104749100A (en) * | 2015-03-30 | 2015-07-01 | 浙江理工大学 | Device and method for testing attachment property between two-dimensional flexible material and liquid |
| CN104792662A (en) * | 2015-04-03 | 2015-07-22 | 大连理工大学 | CO2-brine contact angle measuring method based on micro-focus X-ray CT |
| CN104880387A (en) * | 2015-06-17 | 2015-09-02 | 成都理工大学 | Test device for measuring contact angle of water repellency soil |
| CN105136648A (en) * | 2015-10-19 | 2015-12-09 | 江西理工大学 | Effective soil pore diameter and distribution parameter testing method |
| CN204882469U (en) * | 2015-08-31 | 2015-12-16 | 长安大学 | Rock matter side slope collapses monitoring with wireless sound laundry monitor |
| CN105452842A (en) * | 2013-10-30 | 2016-03-30 | 京瓷医疗株式会社 | Contact-angle measurement method, contact-angle measurement device, bioprosthetic-member inspection device, program, and storage medium |
| CN206177759U (en) * | 2016-11-02 | 2017-05-17 | 长安大学 | Soil water adsorption affinity tester |
| CN106840974A (en) * | 2017-03-08 | 2017-06-13 | 中国水利水电科学研究院 | A kind of soil water repellency measuring system and method based on high-speed photography |
| CN107505236A (en) * | 2017-09-13 | 2017-12-22 | 宁波新边界科学仪器有限公司 | A kind of contact angle measuring method and its device with new liquid distribution method |
-
2018
- 2018-08-08 CN CN201810895254.2A patent/CN109085095B/en not_active Expired - Fee Related
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0232986A1 (en) * | 1986-01-17 | 1987-08-19 | Eye Research Institute Of Retina Foundation | Method and apparatus for in vivo ocular wetting determinations |
| WO1993004356A1 (en) * | 1991-08-13 | 1993-03-04 | Hughes Aircraft Company | Surfactant selection method for the extraction of chemical pollutants from soils |
| CN1710403A (en) * | 2004-06-19 | 2005-12-21 | 鸿富锦精密工业（深圳）有限公司 | Atomic-force microscope and its operation method |
| CN101539502A (en) * | 2009-04-30 | 2009-09-23 | 清华大学 | Method for measuring liquid-drop contact angle on solid surface and device thereof |
| CN101692012A (en) * | 2009-09-08 | 2010-04-07 | 南京大学 | Method for synchronously measuring temperature, surface tension and contact angle of droplet by controlling temperature and humidity |
| CN202275039U (en) * | 2011-09-22 | 2012-06-13 | 东华大学 | Temperature control platform apparatus directly used for contact angle instrument |
| CN105452842A (en) * | 2013-10-30 | 2016-03-30 | 京瓷医疗株式会社 | Contact-angle measurement method, contact-angle measurement device, bioprosthetic-member inspection device, program, and storage medium |
| CN103852403A (en) * | 2014-03-13 | 2014-06-11 | 深圳大学 | Method for measuring contact angle and surface energy of cement-based material |
| CN104458505A (en) * | 2014-11-09 | 2015-03-25 | 华北电力大学（保定） | Method for determining static contact angle of liquid drop |
| CN104749100A (en) * | 2015-03-30 | 2015-07-01 | 浙江理工大学 | Device and method for testing attachment property between two-dimensional flexible material and liquid |
| CN104792662A (en) * | 2015-04-03 | 2015-07-22 | 大连理工大学 | CO2-brine contact angle measuring method based on micro-focus X-ray CT |
| CN104880387A (en) * | 2015-06-17 | 2015-09-02 | 成都理工大学 | Test device for measuring contact angle of water repellency soil |
| CN204882469U (en) * | 2015-08-31 | 2015-12-16 | 长安大学 | Rock matter side slope collapses monitoring with wireless sound laundry monitor |
| CN105136648A (en) * | 2015-10-19 | 2015-12-09 | 江西理工大学 | Effective soil pore diameter and distribution parameter testing method |
| CN206177759U (en) * | 2016-11-02 | 2017-05-17 | 长安大学 | Soil water adsorption affinity tester |
| CN106840974A (en) * | 2017-03-08 | 2017-06-13 | 中国水利水电科学研究院 | A kind of soil water repellency measuring system and method based on high-speed photography |
| CN107505236A (en) * | 2017-09-13 | 2017-12-22 | 宁波新边界科学仪器有限公司 | A kind of contact angle measuring method and its device with new liquid distribution method |
Non-Patent Citations (4)
| Title |
|---|
| BACHMANN J 等: "Modified sessile drop method for assessing initial soil-water contact angle of sandy soil", 《SOIL SCI.SOC.AM.J》 * |
| 张志权: "不同粉粘粒含量盐渍土的工程性质研究", 《中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑》 * |
| 张昭 等: "黏土颗粒间液桥从形成至断裂时毛细力的演化规律", 《岩土力学》 * |
| 杨松 等: "接触角对非饱和土中基质吸力的影响", 《岩土力学》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109085095B (en) | 2021-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110160891B (en) | Shearing seepage coupling test device for accumulation body-rock interface | |
| CN105547864B (en) | The assay method and dedicated full-automatic direct shear apparatus of chemical contamination shear strength of soil | |
| CN205483895U (en) | Rock core imbibition experimental apparatus | |
| CN109085070B (en) | Visual test device and method for shear characteristic research of soil and structure | |
| CN103163069B (en) | Method and system for measuring solid material surface adhesion force | |
| CN104359789A (en) | Soil body shrinkage limit tester based on image analyzing method | |
| CN108680409B (en) | Sample preparation device applied to fine grained soil to control compaction degree | |
| CN104914029A (en) | Large-size urban solid waste framework and pore water volume variation coefficient measurement device | |
| CN110044809A (en) | A kind of concrete durability test device and its test method | |
| CN109883926A (en) | Biaxial pressure acts on lower concrete chloride ion diffusion test macro and its method | |
| CN107991006A (en) | Apply the piezoelectric ceramics dynamic tension sensor and its scaling method of pretightning force | |
| CN103884645B (en) | A kind of method for testing gas content in coating | |
| CN109085095A (en) | A kind of soil contact angle test device and method | |
| CN206787966U (en) | A kind of volatile matter continuous meter | |
| CN109283113B (en) | Concrete impermeability test device and test method for eliminating horizontal hoop pressure | |
| CN106706498A (en) | Steady state water permeability coefficient testing device and method of concrete type material | |
| CN204694600U (en) | A kind of large scale city solid waste skeleton and pore water volume change coefficient measuring device | |
| CN109632607A (en) | Twin shaft continues the chlorine ion binding capacity experimental rig and measuring method of concrete under ballast | |
| CN208350244U (en) | Apply the piezoelectric ceramics dynamic tensile stress sensor of pretightning force | |
| CN109178235A (en) | A kind of drauht measurement high tenacity lucite tube | |
| CN110824149B (en) | Method for measuring solid content of nonvolatile volume of coating | |
| CN210982151U (en) | Road foundation soil unsaturated permeability coefficient measuring system | |
| CN107192834B (en) | A kind of geotechnical sample standardizes automatic sample machine | |
| CN113866031A (en) | Material performance detection device and method | |
| CN206906186U (en) | A kind of cement normal consistency water consumption detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |