CN108645992A - A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device - Google Patents
A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device Download PDFInfo
- Publication number
- CN108645992A CN108645992A CN201810287058.7A CN201810287058A CN108645992A CN 108645992 A CN108645992 A CN 108645992A CN 201810287058 A CN201810287058 A CN 201810287058A CN 108645992 A CN108645992 A CN 108645992A
- Authority
- CN
- China
- Prior art keywords
- axle power
- sample
- conductive cap
- power conductive
- spring
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 38
- 238000009736 wetting Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000002689 soil Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000012153 distilled water Substances 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 210000000476 body water Anatomy 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007616 round robin method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention belongs to Geotechnical Engineering fields, disclose a kind of wetting and drying cycle apparatus, including：First axle power conductive cap, the second axle power conductive cap, sample house cylinder, force application spring and permeable backing plate；The first axle power conductive cap and the second axle power conductive cap house cylinder both ends embedded in the sample, and sample, which is pressed on the sample, to be housed in cylinder；The force application spring both ends are connected in the first axle power conductive cap and the second axle power conductive cap, by the first axle power conductive cap and the second axle power conductive cap axial tightening, for applying axial compressive force to the sample；The permeable backing plate is two pieces, is separately positioned between the sample both ends and the first axle power conductive cap and the second axle power conductive cap.The present invention provides a kind of device for capableing of authentic simulation soil body increase and decrease water state.
Description
Technical field
The present invention relates to Geotechnical Engineering field, more particularly to a kind of wetting and drying cycle apparatus and the dry and wet based on the device
Round-robin method.
Background technology
Under field conditions (factors), due to Atmospheric precipitation and evaporation, level of ground water rise and fall the effect of phenomena such as, makes roadbed
Soil moisture content is chronically in periodic dynamic change.Have studies have shown that drying and watering cycle, which acts on, makes soil body material
Mechanical property changes.In order to study the changing rule of soil sample mechanical property, need to simulate its stress in real-world conditions
State and change of moisture content situation.
Mainly divide matric suction control and the control of non-matric suction for the research method of soil body drying and watering cycle process at present
Two methods.The method controlled using matric suction is more accurate, but the time of humidification and dry needs is long and is difficult to more
A soil sample is carried out at the same time drying and watering cycle.The method of non-matric suction control generally uses work of water sprinkling for better material moisture, air-dries dehydration, it is difficult to simultaneously
Accomplish quantitative increasing dehydration and reduction stress.
Invention content
The present invention provides a kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device, and lifting test simulation, which increases, loses
The reliability of water and stress.
In order to solve the above technical problems, the present invention provides a kind of wetting and drying cycle apparatus, including：First axle power conductive cap,
Second axle power conductive cap, sample house cylinder, force application spring and permeable backing plate；
The first axle power conductive cap and the second axle power conductive cap house cylinder both ends embedded in the sample, by sample
The sample is pressed on to house in cylinder；
The force application spring both ends are connected in the first axle power conductive cap and the second axle power conductive cap,
By the first axle power conductive cap and the second axle power conductive cap axial tightening, for applying axial pressure to the sample
Power；
The permeable backing plate is two pieces, is separately positioned on the sample both ends and the first axle power conductive cap and described
Between second axle power conductive cap.
Further, water injection hole is offered in the first axle power conductive cap and the second axle power conductive cap.
Further, the first axle power conductive cap includes：First axle power conducts seat；
Axially extending bore is opened up in the middle part of the first axle power conduction seat, constitutes the water injection hole；
The axial bottom end of the first axle power conduction seat is resisted against on the permeable backing plate, the first axle power conduction seat
Axial top is connected with the end of the force application spring.
Further, the axial top edge of the first axle power conduction seat offers radial flange, the radial flange
Edge there is spring connecting hole, one end of the force application spring to be hooked in the spring connecting hole.
Further, the upper surface of the radial flange offers spring end top containing groove；
Spring end top containing groove is arranged between the edge of the radial flange and the spring connecting hole.
Further, spring end side wall containing groove is offered on the side wall of the radial flange；
The spring end side wall containing groove is communicated with spring end top containing groove.
Further, the convergence part of the spring end side wall containing groove and spring end top containing groove is set
It is set to globoidal structure.
Further, the quantity of the spring connecting hole is two or more；
Two or more described spring connecting holes are uniformly arranged on the radial flange.
Further, the accommodating cylinder of the sample includes：The two valve lateral spacing walls fastened；
It is socketed with clip outside two valve lateral spacing walls of the fastening, the two valve lateral spacing walls for compressing the fastening have been formed
Whole tubular construction.
A kind of drying and watering cycle method is executed using the wetting and drying cycle apparatus；And include the following steps：
In one layer of waterproof membrane of sample outer wrapping, it is placed in the middle part of a valve lateral spacing wall, another valve lateral spacing wall is covered, at sample both ends
It places filter paper and permeable backing plate respectively successively, tightens the clip, the first axle power conductive cap and the second axle power conductive cap are set
Sleeve both ends are housed in sample, are compressed by force application spring, and the weight M of meausring apparatus entirety0；
Soil body water absorption course is simulated, the quality m that sample reaches increased water needed for predetermined moisture content is obtained1, device is erected
It is directly positioned on high-precision electronic scale, distilled water is added dropwise by water injection hole, the weight of whole device is made to reachIt is quiet
A period of time is set, until distilled water penetrates into sample, device is integrally reversed to placement, is added dropwise and distills from another water injection hole
Water makes the weight of device entirety reach M0+m1, block water injection hole and stand certain time, until distilled water penetrates into sample；
Soil body dehydration process is simulated, sample is obtained and reaches the quality m that predetermined moisture content needs reduced water2, open both ends
Water injection hole lies low and is positioned in 35 DEG C of convection oven, allows the water in sample to be evaporated by permeable stone, records at regular intervals
The weight of device entirety, reaches predetermined quality M0-m2When block water injection hole.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The wetting and drying cycle apparatus provided in the embodiment of the present application and the drying and watering cycle method based on the device, pass through first axle
Power conductive cap, the second axle power conductive cap, sample house cylinder and force application spring forms sample axial force distribution structure, and simulation is actual
Force-bearing situation；Meanwhile force application spring can efficiently adapt to the small expansion of soil body sample, remain stable axial pressure
Power promotes the reliability of simulation；On the one hand axial force can be uniformly applied on sample by permeable backing plate, on the other hand
The water of application can be uniformly distributed on sample, realize reliable increase and decrease Fluid Dynamics；It is followed to improve dry and wet on the whole
The quasi- reliability of ring moulds.
Description of the drawings
Fig. 1 is the structural schematic diagram of wetting and drying cycle apparatus provided by the invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the structural schematic diagram of the first axle power conductive cap.
Specific implementation mode
The embodiment of the present application promotes examination by a kind of wetting and drying cycle apparatus of offer and the drying and watering cycle method based on the device
Test the reliability that simulation increases dehydration and stress.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than to the restriction of technical scheme, in the absence of conflict, the embodiment of the present application
And the technical characteristic in embodiment can be combined with each other.
Referring to Fig. 1, wetting and drying cycle apparatus, including：First axle power conductive cap 1, the second axle power conductive cap 2, sample house cylinder
3, force application spring and permeable backing plate.
The first axle power conductive cap 1 and the second axle power conductive cap 2 house 3 both ends of cylinder embedded in the sample, will
Sample is pressed on the sample and houses in cylinder 3；That is, housing the support container that cylinder 3 is used as sample by sample, shape is realized
Modal constraint then applies axial compressive force, simulation soil by the first axle power conductive cap 1 and the second axle power conductive cap 2
The force-bearing situation of body；
The force application spring both ends are connected to the first axle power conductive cap 1 and the second axle power conductive cap 2
On, by the first axle power conductive cap 1 and 2 axial tightening of the second axle power conductive cap, for applying axis to the sample
To pressure；That is, force component is realized by force application spring, the expansion deformation of sample can be efficiently adapted to；It is general next
It says, in order to promote the reliability of force, using at least two force application springs, is oppositely arranged on the resultant force that sample both sides make force
On sample central axes, on the one hand ensure the stability of force application structure；On the other hand, ensure the stability in the direction of force.
Referring to Fig. 2 and Fig. 4, in general, two force application springs, such as the first force application spring 5 and second force bullet can be selected
Spring 6.It is, of course, also possible to be three, the mode of 120 degree of angles of each self-contained can also be four, the shape of 90 degree of angles of each self-contained
Formula.Always to keep the uniform stressed of the first axle power conductive cap 1 and the second axle power conductive cap 2 as principle.
The permeable backing plate is two pieces, is separately positioned on the sample both ends and the first axle power conductive cap 1 and institute
It states between the second axle power conductive cap 2.General face enables to the first axle power conductive cap 1 and the second axle power conductive cap 2 to apply
The axial force added can be evenly spread on sample, while it is also possible that water uniformly can reliably increase mistake.
Referring to Fig. 4, in general, permeable backing plate is two pieces, i.e., the first permeable backing plate 9 and the second permeable backing plate 10, respectively
Sample both ends are correspondingly arranged at, it is evenly dispersed or convenient for evaporation water loss for the water that will be added dropwise.
In general, seepy material preparation can be used in permeable backing plate, permeable stone can also be used to prepare.
Water injection hole 7 is offered in the first axle power conductive cap 1 and the second axle power conductive cap 2, as the logical of dropwise addition water
Road.
Specifically, the structure of the first axle power conductive cap 1 and the second axle power conductive cap 2 is consistent, below just with
It is illustrated for one axle power conductive cap 1.
The first axle power conductive cap 1 includes：First axle power conducts seat 12；
First axle power conduction seat, 12 middle part opens up axially extending bore, constitutes the water injection hole 7；
The axial bottom end of the first axle power conduction seat 12 is resisted against on the permeable backing plate 9, the first axle power conduction
The axial top of seat 12 is connected with the end of the force application spring.
In general, the inner cavity form of the accommodating cylinder of the configuration of first axle power conduction seat 12 and sample 3 matches
Unanimously, usually cylindrical, form tubular construction after opening up water injection hole 7.In general, in the case where meeting structural strength,
The diameter of water injection hole is the bigger the better, and convenient for improving efficiency when drying dehydration, and reduces the first axle power conductive cap 1 as far as possible
Weight, all reducing its dead weight as possible influences the force of sample, and holding meanss are placed and are horizontally arranged vertical to greatest extent
When stress it is essentially identical, ensure in acceptable fluctuation range, promote the reliability of simulation.
In general, the outer diameter of the first axle power conduction seat 12 is slightly less than the internal diameter that sample houses cylinder 3 so that axial to apply
The point of application of power is in sample end edge edge as far as possible, to ensure uniform force and its stability on the whole,
Referring to Fig. 2 and Fig. 3, the axial top edge of the first axle power conduction seat 12 offers radial flange 11, described
The edge of radial flange 11 has spring connecting hole 14, one end of the force application spring to be hooked on the spring connecting hole 14
It is interior.
That is, the arm of force can be extended by radial flange 11 so that the first force application spring 5 and the second force application spring 6
Retain certain gap between accommodating cylinder 3, avoid scratching and contact so that the natural shape of force application spring ensures force
Reliability.
Further, the upper surface of the radial flange 11 offers spring end top containing groove 13；It avoids exerting a force
The end of spring protrudes from radial flange 11 so that device can integrally stablize vertical placement, so that drying and watering cycle
Easy to operateization.
In general, spring end top containing groove 13 is arranged at the edge of the radial flange 11 and the bullet
Between spring connecting hole 14, the hook of force application spring is hooked into from the outside of radial flange 11 in the spring connecting hole 14；Certainly
The area that spring end top containing groove 13 can also be expanded as far as possible, further decreases overall weight.
Similar, spring end side wall containing groove 15 is offered on the side wall of the radial flange 11；So that
The force application spring of hook is integrally limited in the swept area of radial flange 11, to ensure when laterally disposed, force application spring
Main body avoids contacting with desktop, ensures force form.
In general, the spring end side wall containing groove 15 is communicated with spring end top containing groove 13,
So that hook-shaped spring end, integrally sinks into the radial flange 11.
Further, the spring end side wall containing groove 15 and spring end top containing groove 13 are connected
Portion is arranged to globoidal structure, ensures the flatness of contact.
The quantity of the corresponding structure with multiple force application springs, the spring connecting hole 14 is two or more；Two
A or more than two spring connecting holes 14 are uniformly arranged on the radial flange 11.
For the ease of the dismounting of sample, the sample houses cylinder 3 and includes：The two valve lateral spacing walls fastened；The two of the fastening
It is socketed with clip 4 outside valve lateral spacing wall, the two valve lateral spacing walls for compressing the fastening form complete tubular construction.To just
In experimental implementation, operating efficiency is promoted, to avoid adverse effect of the sample disassembling operations to sample mass.
It is worth noting that, in order to ensure that the efficiency surged, the sample shell are arranged one layer of waterproof membrane, avoid from fastening
Gap is oozed out.
On the other hand, one layer of filter paper can also be set between permeable backing plate and sample, dregs dust and dirt when dehydration is avoided to ooze
Go out the permeable backing plate of contamination and plugging.
In general, in order to reduce influence of the construction weight to force, pmma material can be used in device.
Generally according to different size of sample, the pulling force of force application spring is generally different, therefore, can be according to different need
It asks, selection different materials, line footpath, the spring of diameter and length meets different tests demand.
Based on above-mentioned apparatus, the present embodiment also provides a kind of drying and watering cycle method.
A kind of drying and watering cycle method is executed using the wetting and drying cycle apparatus；And include the following steps：
In one layer of waterproof membrane of sample outer wrapping, it is placed in the middle part of a valve lateral spacing wall, another valve lateral spacing wall is covered, at sample both ends
It places filter paper and permeable backing plate respectively successively, tightens the clip, the first axle power conductive cap and the second axle power conductive cap are set
Sleeve both ends are housed in sample, are compressed by force application spring, and the weight M of meausring apparatus entirety0；
Soil body water absorption course is simulated, the quality m that sample reaches increased water needed for predetermined moisture content is obtained1, device is erected
It is directly positioned on high-precision electronic scale, distilled water is added dropwise by water injection hole, the weight of whole device is made to reachIt is quiet
A period of time is set, until distilled water penetrates into sample, device is integrally reversed to placement, is added dropwise and distills from another water injection hole
Water makes the weight of device entirety reach M0+m1, block water injection hole and stand certain time, until distilled water penetrates into sample；
Soil body dehydration process is simulated, sample is obtained and reaches the quality m that predetermined moisture content needs reduced water2, open both ends
Water injection hole lies low and is positioned in 35 DEG C of convection oven, allows the water in sample to be evaporated by permeable stone, records at regular intervals
The weight of device entirety, reaches predetermined quality M0-m2When block water injection hole.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
The wetting and drying cycle apparatus provided in the embodiment of the present application and the drying and watering cycle method based on the device, pass through first axle
Power conductive cap, the second axle power conductive cap, sample house cylinder and force application spring forms sample axial force distribution structure, and simulation is actual
Force-bearing situation；Meanwhile force application spring can efficiently adapt to the small expansion of soil body sample, remain stable axial pressure
Power promotes the reliability of simulation；On the one hand axial force can be uniformly applied on sample by permeable backing plate, on the other hand
The water of application can be uniformly distributed on sample, realize reliable increase and decrease Fluid Dynamics；It is followed to improve dry and wet on the whole
The quasi- reliability of ring moulds.
It should be noted last that the above specific implementation mode is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit of the technical scheme of the invention and range, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of wetting and drying cycle apparatus, which is characterized in that including：First axle power conductive cap, the second axle power conductive cap, sample are accommodating
Cylinder, force application spring and permeable backing plate；
The first axle power conductive cap and the second axle power conductive cap house cylinder both ends embedded in the sample, and sample is compressed
It is housed in cylinder in the sample；
The force application spring both ends are connected in the first axle power conductive cap and the second axle power conductive cap, by institute
The first axle power conductive cap and the second axle power conductive cap axial tightening are stated, for applying axial compressive force to the sample；
The permeable backing plate is two pieces, is separately positioned on the sample both ends and the first axle power conductive cap and described second
Between axle power conductive cap.
2. wetting and drying cycle apparatus as described in claim 1, which is characterized in that the first axle power conductive cap and the second axle power
Water injection hole is offered in conductive cap.
3. wetting and drying cycle apparatus as claimed in claim 2, which is characterized in that the first axle power conductive cap includes：First axle
Power conducts seat；
Axially extending bore is opened up in the middle part of the first axle power conduction seat, constitutes the water injection hole；
The axial bottom end of the first axle power conduction seat is resisted against on the permeable backing plate, the axial direction of the first axle power conduction seat
Top is connected with the end of the force application spring.
4. wetting and drying cycle apparatus as claimed in claim 3, it is characterised in that：The axial top side of the first axle power conduction seat
Along radial flange is offered, the edge of the radial flange has spring connecting hole, one end of the force application spring to be hooked on
In the spring connecting hole.
5. wetting and drying cycle apparatus as claimed in claim 4, it is characterised in that：The upper surface of the radial flange offers spring
Top end containing groove；
Spring end top containing groove is arranged between the edge of the radial flange and the spring connecting hole.
6. wetting and drying cycle apparatus as claimed in claim 5, it is characterised in that：Spring is offered on the side wall of the radial flange
End sidewalls containing groove；
The spring end side wall containing groove is communicated with spring end top containing groove.
7. wetting and drying cycle apparatus as claimed in claim 6, it is characterised in that：The spring end side wall containing groove with it is described
The convergence part of spring end top containing groove is arranged to globoidal structure.
8. wetting and drying cycle apparatus as claimed in claim 7, it is characterised in that：The quantity of the spring connecting hole be two or
It is more than two；
Two or more described spring connecting holes are uniformly arranged on the radial flange.
9. such as claim 1~8 any one of them wetting and drying cycle apparatus, which is characterized in that the sample houses cylinder and includes：Button
The two valve lateral spacing walls closed；
It is socketed with clip outside two valve lateral spacing walls of the fastening, the two valve lateral spacing walls for compressing the fastening are formed complete
Tubular construction.
10. a kind of drying and watering cycle method, which is characterized in that executed using the wetting and drying cycle apparatus described in claim 9；And include
Following steps：
In one layer of waterproof membrane of sample outer wrapping, be placed in the middle part of a valve lateral spacing wall, cover another valve lateral spacing wall, sample both ends successively
Filter paper and permeable backing plate are placed respectively, tighten the clip, the first axle power conductive cap and the second axle power conductive cap are placed in examination
Sample houses sleeve both ends, is compressed by force application spring, and the weight M of meausring apparatus entirety0；
Soil body water absorption course is simulated, the quality m that sample reaches increased water needed for predetermined moisture content is obtained1, device is placed vertically
In on high-precision electronic scale, distilled water is added dropwise by water injection hole, the weight of whole device is made to reachStand one section
Device is integrally reversed placement by the time until distilled water penetrates into sample, and distilled water is added dropwise from another water injection hole, makes
The weight of device entirety reaches M0+m1, block water injection hole and stand certain time, until distilled water penetrates into sample；
Soil body dehydration process is simulated, sample is obtained and reaches the quality m that predetermined moisture content needs reduced water2, open both ends water filling
Hole lies low and is positioned in 35 DEG C of convection oven, allows the water in sample to be evaporated by permeable stone, at regular intervals recording device
Whole weight, reaches predetermined quality M0-m2When block water injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287058.7A CN108645992A (en) | 2018-03-30 | 2018-03-30 | A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287058.7A CN108645992A (en) | 2018-03-30 | 2018-03-30 | A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645992A true CN108645992A (en) | 2018-10-12 |
Family
ID=63745480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810287058.7A Pending CN108645992A (en) | 2018-03-30 | 2018-03-30 | A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645992A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2792412A1 (en) * | 1999-04-14 | 2000-10-20 | Framatome Sa | Test piece mechanical testing in an autoclave to determine axial strain with the test piece and measurement sensors placed within the autoclave and the sensor output fed outside of the autoclave to give improved accuracy |
| CN102628767A (en) * | 2012-03-23 | 2012-08-08 | 河海大学 | Device and method for testing mechanical properties of pile-soil contact surface |
| CN103175728A (en) * | 2013-02-07 | 2013-06-26 | 西安理工大学 | Dynamic true-triaxial apparatus for soil |
| CN105699157A (en) * | 2016-03-29 | 2016-06-22 | 中国电建集团成都勘测设计研究院有限公司 | Water saturation device and method for soft rock test sample |
| CN105891445A (en) * | 2016-04-08 | 2016-08-24 | 河海大学 | Rock soil wetting-drying cycle test device and use method thereof |
| CN208188104U (en) * | 2018-03-30 | 2018-12-04 | 中国科学院武汉岩土力学研究所 | A kind of wetting and drying cycle apparatus |
-
2018
- 2018-03-30 CN CN201810287058.7A patent/CN108645992A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2792412A1 (en) * | 1999-04-14 | 2000-10-20 | Framatome Sa | Test piece mechanical testing in an autoclave to determine axial strain with the test piece and measurement sensors placed within the autoclave and the sensor output fed outside of the autoclave to give improved accuracy |
| CN102628767A (en) * | 2012-03-23 | 2012-08-08 | 河海大学 | Device and method for testing mechanical properties of pile-soil contact surface |
| CN103175728A (en) * | 2013-02-07 | 2013-06-26 | 西安理工大学 | Dynamic true-triaxial apparatus for soil |
| CN105699157A (en) * | 2016-03-29 | 2016-06-22 | 中国电建集团成都勘测设计研究院有限公司 | Water saturation device and method for soft rock test sample |
| CN105891445A (en) * | 2016-04-08 | 2016-08-24 | 河海大学 | Rock soil wetting-drying cycle test device and use method thereof |
| CN208188104U (en) * | 2018-03-30 | 2018-12-04 | 中国科学院武汉岩土力学研究所 | A kind of wetting and drying cycle apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Eibisch et al. | Does water repellency of pyrochars and hydrochars counter their positive effects on soil hydraulic properties? | |
| US8695407B2 (en) | Microtensiometer sensor, probe and method of use | |
| CN108020473A (en) | Consider the Rock And Soil cutting creep instrument and its test method of drying and watering cycle | |
| CN111650082B (en) | Unsaturated soil water characteristic curve measuring device | |
| CN110082214B (en) | Sandstone oil and gas well casing string simulation test device and evaluation method thereof | |
| CN105784444B (en) | Indoor hollow cylinder reshaped clay sample compression preparation facilities and its method | |
| CN105158144B (en) | A kind of matrix of coal deformation mechanics parameter test method | |
| CN208188104U (en) | A kind of wetting and drying cycle apparatus | |
| CN102183622A (en) | Novel unsaturated soil high-pressure consolidation test device | |
| CN106813978A (en) | Cutting ring, soil body lateral expansion force measuring device comprising same and measuring method | |
| CN109238911B (en) | Method for predicting soil-water characteristic curve VG model based on water evaporation curve in soil | |
| CN102628774A (en) | Tension stress loading and deformation measuring device and method for measuring deformation amount of concrete test piece under tension stress | |
| CN110399665A (en) | A method of prediction soil-water characteristic curve hysteretic behavior | |
| CN108645992A (en) | A kind of wetting and drying cycle apparatus and the drying and watering cycle method based on the device | |
| CN110044809A (en) | A kind of concrete durability test device and its test method | |
| CN210665725U (en) | Saline soil salt expansion characteristic test device under rigidity constraint condition | |
| CN112412411A (en) | Method and device for establishing and analyzing well testing model of fracturing well multi-well system | |
| CN114062657B (en) | Rock-soil body dry-wet circulation test system and method in unsaturated state | |
| CN108801875B (en) | Device and method for demonstrating rainfall infiltration of unsaturated soil adjacent to different types transversely | |
| CN208000235U (en) | A kind of improved duplex cutting ring remoulded sample preparation device | |
| Whalley et al. | The design of porous material sensors to measure the matric potential of water in soil | |
| Qi et al. | A laboratory device for continual measurement of water retention and shrink/swell properties during drying/wetting cycles | |
| CN105910867B (en) | A kind of simple device quickly preparing different water cut ground sample | |
| KR200329959Y1 (en) | Compaction Mold for Large Cyclic Triaxial Testing Apparatus | |
| CN113008941B (en) | Method for testing saturation-resistance increase coefficient of bedding joint development shale |
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 |