CN107589237A - Soil body unconfined compressive strength drying and watering cycle analogue means - Google Patents
Soil body unconfined compressive strength drying and watering cycle analogue means Download PDFInfo
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- CN107589237A CN107589237A CN201710875822.8A CN201710875822A CN107589237A CN 107589237 A CN107589237 A CN 107589237A CN 201710875822 A CN201710875822 A CN 201710875822A CN 107589237 A CN107589237 A CN 107589237A
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Abstract
The invention discloses a kind of soil body unconfined compressive strength drying and watering cycle analogue means, including experiment casing, be humidified mechanism, drier, blower mechanism, Weighing mechanism and support component, two separate spaces up and down are formed by demarcation strip inside experiment casing, humidification mechanism and blower mechanism are respectively positioned in upper space and are located at respectively in two opposing sidewalls of the experiment casing, drier is located at the top of upper space, Weighing mechanism is located in lower space, demarcation strip is located in upper space provided with through hole support component upper end through through hole, lower end is fixed on Weighing mechanism, controlling organization is provided with the side wall of experiment casing one, be humidified mechanism, drier, blower mechanism, Weighing mechanism electrically connects with controlling organization.The present invention can simulated rainfall evaporation, the influence of different illumination, wind speed to moisture evaporation, drying and watering cycle process uniformly relaxes, and has the advantages of automaticity is high, accurate, simple, dry and wet control effect is good.
Description
Technical field
The present invention relates to technical field of civil engineering, more particularly to a kind of soil body unconfined compressive strength drying and watering cycle simulation
Device.
Background technology
Damp-heat area on the south the Qinling Mountains Huaihe River in China, summer high temperature is rainy, evaporates quickly after rainfall, and this rainfall-
The circulation of evaporation is carried out so that reciprocal change occurs for the moisture content in the soil body, and this drying and watering cycle effect can cause river, Lake Water
Position and level of ground water frequently lift so that road slope, dykes and dams bank slope and roadbed edge drying and watering cycle effect under,
Alternation of wetting and drying, in being in an unsure state.Especially for this Subgrade soil of Red Sandstone, alternately acted in drying and watering cycle
Under, soil strength is remarkably decreased, and slope stability decay, causes roadbed to occur cave in, ftracture, settling unequal disease.Therefore,
In order to preferably study soil body strength retrogression's rule under drying and watering cycle effect, evaluation subgrade stability system follows, it is necessary to carry out dry and wet
Ring test.
In existing wetting-drying test, the method often taken is immersion-oven drying method, however in this way there is
Shortcomings, such as, in drying and wetting, temperature is too high, excessively acutely, can cause holding for unconfined compressive strength surface of test piece
Split, fall side phenomenon, be unfavorable for the experiment in later stage, the situation slowly varying with deep roadbed migration of water is not inconsistent yet；Especially for
This soil property of Red Sandstone, after immersion the soil body can rapid avalanche, therefore, immersion-oven drying method be unfavorable for experiment progress.It is even more important
, test method of the prior art is unable to the influence of simulation water, solar irradiation, wind to moisture evaporation, exists greatly
Limitation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of soil body unconfined compressive strength drying and watering cycle analogue means,
Can not only simulated rainfall evaporation, the influence of different illumination, wind speed to moisture evaporation, and humidification moisture content can be controlled, done
Wet cyclic process uniformly relaxes, and dries, moisture content can be made fully to spread after the completion of humidification, has automaticity height, accurate, letter
Singly, the advantages of dry and wet control effect is good.
The soil body unconfined compressive strength drying and watering cycle analogue means of the present invention, including experiment casing, humidification mechanism, drying
Mechanism, blower mechanism, Weighing mechanism and the support component for supporting sample, pass through a demarcation strip inside the experiment casing
Be separated to form upper and lower two independent spaces, the humidification mechanism and blower mechanism be respectively positioned in the upper space of experiment casing and
Respectively in two opposing sidewalls of the experiment casing, the drier is located at the top of the upper space of experiment casing
Portion, the Weighing mechanism are located in the lower space of experiment casing, and the demarcation strip is provided with the through hole passed through for support component,
The support component upper end is located in the upper space of experiment casing through through hole, and lower end is fixed on Weighing mechanism；The examination
Be provided with controlling organization on the outer wall of tryoff body, the humidification mechanism, drier, blower mechanism, Weighing mechanism with control
Mechanism electrically connects.
Further, the demarcation strip is provided with osculum；Drainpipe, institute are provided with the lower space of the experiment casing
State drainpipe one end to connect with osculum, the other end is stretched out outside experiment casing through experiment casing side wall.
Further, the demarcation strip includes positioned at middle horizontal segment and is sloped downwardly along horizontal segment two inclination of extension
Section, the through hole are arranged on horizontal segment, and the osculum is arranged on tilting section；The demarcation strip is towards experiment casing top
The one side in space is provided with water bar, and each edge of the water bar along the demarcation strip is set.
Further, the support component includes being used to support the upper cushion block of sample and the underlay for being connected with Weighing mechanism
Block, the upper cushion block upper end are located in the upper space of experiment casing through through hole, and upper cushion block lower end is fixed with lower cushion block upper end
Connection, lower cushion block lower end is placed on Weighing mechanism.
Further, the upper cushion block is cylindric with lower cushion block, and the diameter of lower cushion block is more than the diameter of upper cushion block.
Further, gap is left between the upper cushion block and through hole, retaining ring, the dash are arranged with the upper cushion block
Circle is above through hole.
Further, the blower mechanism include be fixed on demarcation strip tilting section discharge pipe, be arranged on outside experiment casing
Air blower and ventilation duct for connecting air blower and discharge pipe, the side of the discharge pipe towards sample it is longitudinally spaced
Provided with some exhaust vents, the air blower electrically connects with controlling organization.
Further, the humidification mechanism includes the electric expansion bar that can be stretched in the horizontal direction and is arranged on electric expansion bar
The interior water pipe being used for sample humidification, described water pipe one end are provided with for the spray to sample shower water and adjustable injection flow rate
Head, the other end is stretched out outside experiment casing to be connected with water supply installation, and the electric expansion bar and shower nozzle electrically connect with controlling organization；Institute
The side wall for stating experiment casing upper space is provided with ventilating opening, and the ventilating opening is located at homonymy, and ventilating opening with humidification mechanism
Below humidification mechanism.
Further, the drier includes being used to irradiate the high-brightness lighting lamp of sample and for installing highlight illumination
The mounting bracket of lamp, the mounting bracket are fixed on the top of the upper space of experiment casing, are provided with mounting bracket for controlling height
The slide assemblies that brightness illuminating lamp moves in the horizontal direction, the slide assemblies include guide rail, can slided along guide rail horizontal direction
Sliding block and motor for control slide block movement, the high-brightness lighting lamp is fixed on sliding block, the high-brightness lighting lamp
Electrically connected with motor with controlling organization.
Further, the controlling organization includes control panel, and controlling switch and automatic control are provided with the control panel
Device processed.
Compared with prior art, beneficial effects of the present invention：
The soil body unconfined compressive strength drying and watering cycle analogue means of the present invention, by setting humidification mechanism, drier, blowing
Mechanism, Weighing mechanism and controlling organization, when sample needs humidification, the moisture of the absorbable humidification mechanism offer of sample simultaneously slowly expands
Dissipate, moisture content gradually rises；When sample needs to dry, sample can under the shining of drier lost moisture content, quality it is gradual
Reduce, while during humidification or drying, the quality of sample can be detected by Weighing mechanism, controlling organization according to
Testing result automatically controls humidification mechanism and humidified or drier is dried；Steamed so as to enable the invention to simulated rainfall
Hair, the influence of different illumination, wind speed to sample moisture evaporation, and humidification moisture content can be controlled, drying and watering cycle process is uniform
Relax, dry, moisture content can be made fully to spread after the completion of humidification, there is automaticity height, accurate, simple, dry and wet control effect
The advantages of good.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is soil body unconfined compressive strength drying and watering cycle analogue means structural representation provided in an embodiment of the present invention；
Fig. 2 is that the partial structurtes of soil body unconfined compressive strength drying and watering cycle analogue means provided in an embodiment of the present invention are illustrated
Figure；
Fig. 3 is the structural representation of demarcation strip provided in an embodiment of the present invention.
In figure：1st, experiment casing, 1a, upper space, 1b, lower space, 2, demarcation strip, 3, through hole, 4, osculum, 5, row
Water pipe, 6, water bar, 7, upper cushion block, 8, lower cushion block, 9, retaining ring, 10, high-precision electronic scale, 11, discharge pipe, 11a, air-out
Hole, 12, air blower, 13, ventilation duct, 14, electric expansion bar, 15, water pipe, 16, shower nozzle, 17, ventilating opening, 18, highlight illumination
Lamp, 19, mounting bracket, 20, guide rail, 21, control panel, 22, automatic controller, 23, key switch I, 24, knob switch I,
25th, knob switch II, 26, key switch II, 27, knob switch III, 28, knob switch IV.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 3：The soil body unconfined compressive strength drying and watering cycle analogue means of the present embodiment, including experiment
Casing 1, humidification mechanism, drier, blower mechanism, Weighing mechanism and the support component for supporting sample, the experiment
Upper and lower two independent spaces are separated to form by a demarcation strip 2 inside casing 1（Upper space 1a, lower space 1b）, it is described
Humidification mechanism and blower mechanism are respectively positioned in the upper space 1a of experiment casing and are located at two phases of the experiment casing 1 respectively
To in side wall, the drier is located at the top of the upper space 1a of experiment casing, the Weighing mechanism is located at experiment casing
In lower space 1b, the demarcation strip 2 is provided with the through hole 3 passed through for support component, and the support component upper end passes through through hole 3
In the upper space 1a of experiment casing, lower end is fixed on Weighing mechanism；Control is provided with the outer wall of the experiment casing 1
Mechanism processed, the humidification mechanism, drier, blower mechanism, Weighing mechanism electrically connect with controlling organization, so when sample needs
When humidifying, the moisture of the absorbable humidification mechanism offer of sample simultaneously slowly spreads, and moisture content gradually rises, when sample needs drying
When, sample lost moisture content, quality can be gradually reduced under the shining of drier, and in humidification or drying process, can be led to
Weighing mechanism is crossed to detect the quality of sample, controlling organization according to testing result automatically control humidification mechanism humidified or
Drier is dried, and is evaporated with simulated rainfall, the influence of different illumination, wind speed to sample moisture evaporation, can control increasing
Wet moisture content, drying and watering cycle process uniformly relax, and dry, moisture content can be made fully to spread after the completion of humidification.Tested in the present embodiment
Casing 1 is rectangular parallelepiped structure, simple in construction, is easy to fabricate.
In the present embodiment, the demarcation strip 2 is provided with the osculum 4 for draining；The lower space of the experiment casing
Drainpipe 5 is provided with 1b, described one end of drainpipe 5 connects with osculum 4, and the other end stretches out examination through the side wall of experiment casing 1
Outside tryoff body 1.By setting drainpipe 5, the water in experiment casing upper space 1a can quickly be discharged.
In the present embodiment, the demarcation strip 2 includes positioned at middle horizontal segment and is sloped downwardly extension along horizontal segment two
Tilting section, the through hole 3 is arranged on horizontal segment, and the osculum 4 is arranged on tilting section, and the both sides of demarcation strip 2 use band
The incline structure of the gradient, easily facilitates draining；Demarcation strip 2 towards experiment casing upper space 1a one side are provided with water bar 6,
Each edge of the water bar 6 along the demarcation strip 2 is set, and for preventing upper space 1a water from flowing into lower space 1b, is ensured
Sealing effectiveness.Be respectively equipped with osculum 4 on the both sides tilting section of demarcation strip 2 of the present embodiment, each osculum 4 respectively with it is corresponding
Drainpipe 5 connects, to improve drainage effect.
In the present embodiment, the support component includes being used to support the upper cushion block 7 of sample and for being connected with Weighing mechanism
Lower cushion block 8, the upper upper end of cushion block 7 is located in the upper space 1a of experiment casing through through hole 3, and the upper lower end of cushion block 7 is with
The upper end of cushion block 8 is fixedly connected, and the lower end of lower cushion block 8 is placed on Weighing mechanism, sample is placed by upper cushion block 7 and lower cushion block 8
In on Weighing mechanism, in order to be monitored in real time to the quality of sample.The upper end of upper cushion block 7 of the present embodiment is higher than demarcation strip 2,
In order to be supported to sample.
In the present embodiment, the upper cushion block 7 is cylindric with lower cushion block 8, and the diameter of lower cushion block 8 is more than upper cushion block 7
Diameter, it is convenient that sample is supported and weighed.
In the present embodiment, gap is left between the upper cushion block 7 and through hole 3, is conveniently weighed；On the upper cushion block 7
Retaining ring 9 is arranged with, the retaining ring 9 is located at the top of through hole 3, to improve sealing property.
In the present embodiment, the Weighing mechanism is high-precision electronic scale 10, the high-precision electronic scale 10 and controlling organization electricity
Connection, is measured for sensibility reciprocal sample moisture evaporation, to monitor sample mass in real time.
In the present embodiment, the blower mechanism include be fixed on the tilting section of demarcation strip 2 discharge pipe 11, be arranged on experiment
Air blower 12 outside casing 1 and the ventilation duct 13 for connecting air blower 12 and discharge pipe 11, the discharge pipe 11 is towards examination
The side of sample is longitudinally spaced to be provided with some exhaust vent 11a, and the air blower 12 electrically connects with controlling organization, and blower mechanism can root
According to the needs of the simulation operating mode in drying or humidification, it is turned on and off, to simulate wind speed to sample moisture evaporation
Influence, improve test accuracy.
In the present embodiment, the humidification mechanism includes the electric expansion bar 14 that can be stretched in the horizontal direction and is arranged on electronic
It is used for the water pipe 15 to sample humidification in expansion link 14, described one end of water pipe 15, which is provided with, to be used for sample shower water and can adjust
The shower nozzle 16 of injection flow rate, the other end is stretched out outside experiment casing 1 to be connected with water supply installation, for being humidified to sample, the electricity
Dynamic expansion link and shower nozzle electrically connect with controlling organization, can pass through the position of controlling organization shower nozzle 16 and injection flow rate；The experiment casing
A upper space 1a side wall is provided with ventilating opening 17, and the ventilating opening 17 is located at homonymy, and ventilating opening 17 with humidification mechanism
Below humidification mechanism, with guarantee test casing upper space 1a inner air flows.
In the present embodiment, the drier includes being used for irradiating the high-brightness lighting lamp 18 of sample and highlighted for installing
The mounting bracket 19 of illuminating lamp 18 is spent, the top of mounting bracket 19 is fixed at the top of the upper space 1a of experiment casing, mounting bracket 19
Bottom is provided with the slide assemblies for controlling high-brightness lighting lamp 18 to move in the horizontal direction, and the slide assemblies include guide rail
20th, the sliding block that can be slided along the horizontal direction of guide rail 20（Not shown in figure）With the motor moved for control slide block（Do not show in figure
Go out）, the high-brightness lighting lamp 18 is fixed on sliding block, and the high-brightness lighting lamp 18 and motor electrically connect with controlling organization,
The high-brightness lighting lamp 18 of the present embodiment can use high brightness super bath lamp, and its brightness can be adjusted by controlling organization, be passed through
Adjust the position on guide rail 20 of brightness and high-brightness lighting lamp 18 of high-brightness lighting lamp 18, with simulation one day at different moments
Light conditions.
In the present embodiment, the controlling organization includes control panel 21, and controlling switch is provided with the control panel 21
With automatic controller 22, controlling switch include be used for control humidification mechanism be turned on and off key switch I23, for controlling
Knob switch I24 that electric expansion bar 14 works, the knob switch II25 for controlling the injection flow rate size of shower nozzle 16, it is used for
Control drier work key switch II26, the knob switch III27 for controlling the brightness of high-brightness lighting lamp 18,
For controlling the knob switch IV28 of the shift position of high-brightness lighting lamp 18, automatic controller 22 is used for according to high-precision electronic
The data that scale 10 transmits, control drier and humidification mechanism are automatically turned on or closed, while control electric expansion bar 14 automatic
It is flexible, realize Automated condtrol；The back side of experiment casing 1 is provided with chamber door to be opened/closed（Not shown in figure）, it is easy to load
With taking-up sample.
The present invention operation principle be：
In humidification, sample can absorb the moisture content in shower nozzle, and slowly spread, and moisture content gradually rises；In drying process, examination
Sample can shine lower lost moisture content in light, and quality is gradually reduced.By the quality mesh that humidification mechanism is set in automatic controller
Scale value, when automatic controller senses it is dry when weighing mechanism numerical value it is constant, or humidification when weighing mechanism reach preset value, this
When automatic controller can send instruction control humidification mechanism or drier close.
The present invention is used for the concrete operation step for simulating drying and watering cycle：
1）Chamber door is opened, sample is placed in support component, the initial mass m of sample is weighed using high-precision electronic scale0,
Then high-precision electronic scale is zeroed；
2）According to the initial mass m of sample0, initial moisture content W0With target moisture content WnThe aimed quality of sample is calculated, then
Quality target value in humidification process is set in automatic controller；
3）Chamber door is closed, opens knob switch I, after shower nozzle is in place, opens key switch I and turning knob formula switch II,
Control water spray intensity, sample start to be humidified, and quality is increasing；
4）When high-precision electronic scale sensibility reciprocal to sample mass, which increases, arrives desired value, automatic controller control humidification mechanism closes automatically
Resetted with electric expansion bar, stand 24 hours, make moisture diffusion uniform；
5）24h hours are stood, open chamber door, key switch II is opened, turn knob formula switch III, controls analoging brightness, and
Appropriate turning knob formula switch IV, the position of high-brightness lighting lamp is adjusted, while can be as needed, open blower mechanism, auxiliary
The influence of wind is dried or simulated, starts drying；
6）When high-precision electronic scale sensibility reciprocal is constant to sample mass, automatic controller control drier is closed automatically；
7）The number of drying and watering cycle, repeat step 2 are simulated according to sample）~6）Tested.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the claims of invention.
Claims (10)
1. soil body unconfined compressive strength drying and watering cycle analogue means, it is characterised in that：Including experiment casing, humidification mechanism, do
Dry mechanism, blower mechanism, Weighing mechanism and the support component for supporting sample；Separate inside the experiment casing by one
Plate is separated to form upper and lower two independent spaces, and the humidification mechanism and blower mechanism are respectively positioned in the upper space of experiment casing
And respectively in two opposing sidewalls of the experiment casing, the drier is located at the top of the upper space of experiment casing
Portion, the Weighing mechanism are located in the lower space of experiment casing, and the demarcation strip is provided with the through hole passed through for support component,
The support component upper end is located in the upper space of experiment casing through through hole, and lower end is fixed on Weighing mechanism；The examination
Be provided with controlling organization on the outer wall of tryoff body, the humidification mechanism, drier, blower mechanism, Weighing mechanism with control
Mechanism electrically connects.
2. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 1, it is characterised in that：Described point
Dividing plate is provided with osculum；Drainpipe, described drainpipe one end and osculum are provided with the lower space of the experiment casing
Connection, the other end are stretched out outside experiment casing through experiment casing side wall.
3. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 2, it is characterised in that：Described point
Dividing plate includes positioned at middle horizontal segment and is sloped downwardly along horizontal segment two tilting section of extension, and the through hole is arranged at level
Duan Shang, the osculum are arranged on tilting section；The one side of the demarcation strip towards experiment casing upper space is provided with dash
Bar, each edge of the water bar along the demarcation strip are set.
4. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 1, it is characterised in that：The branch
Support component includes being used to support the upper cushion block of sample and the lower cushion block for being connected with Weighing mechanism, and the upper cushion block upper end passes through
Through hole is located in the upper space of experiment casing, and upper cushion block lower end is fixedly connected with lower cushion block upper end, and lower cushion block lower end is placed on
On Weighing mechanism.
5. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 4, it is characterised in that：On described
Cushion block is cylindric with lower cushion block, and the diameter of lower cushion block is more than the diameter of upper cushion block.
6. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 4, it is characterised in that：On described
Gap is left between cushion block and through hole, retaining ring is arranged with the upper cushion block, the retaining ring is located above through hole.
7. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 3, it is characterised in that：It is described to blow
Wind mechanism is including the discharge pipe being fixed on demarcation strip tilting section, the air blower being arranged on outside experiment casing and for connecting drum
The ventilation duct of blower fan and discharge pipe, the side of the discharge pipe towards sample is longitudinally spaced to be provided with some exhaust vents, the drum
Blower fan electrically connects with controlling organization.
8. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 1, it is characterised in that：The increasing
Wet mechanism includes the electric expansion bar that can be stretched in the horizontal direction and is arranged on the water being used in electric expansion bar to sample humidification
Pipe, described water pipe one end are provided with for stretching out experiment casing to the shower nozzle of sample shower water and adjustable injection flow rate, the other end
It is connected outside with water supply installation, the electric expansion bar and shower nozzle electrically connect with controlling organization；The experiment casing upper space
One side wall is provided with ventilating opening, and the ventilating opening is located at homonymy with humidification mechanism, and ventilating opening is below humidification mechanism.
9. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 1, it is characterised in that：It is described dry
Dry mechanism includes being used for the high-brightness lighting lamp for irradiating sample and the mounting bracket for installing high-brightness lighting lamp, the mounting bracket
The top of the upper space of experiment casing is fixed on, is provided with mounting bracket for controlling high-brightness lighting lamp to move in the horizontal direction
Dynamic slide assemblies, the slide assemblies include guide rail, the sliding block that can be slided along guide rail horizontal direction and moved for control slide block
Dynamic motor, the high-brightness lighting lamp are fixed on sliding block, and the high-brightness lighting lamp and motor electrically connect with controlling organization.
10. soil body unconfined compressive strength drying and watering cycle analogue means according to claim 1, it is characterised in that：It is described
Controlling organization includes control panel, and controlling switch and automatic controller are provided with the control panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875822.8A CN107589237A (en) | 2017-09-25 | 2017-09-25 | Soil body unconfined compressive strength drying and watering cycle analogue means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875822.8A CN107589237A (en) | 2017-09-25 | 2017-09-25 | Soil body unconfined compressive strength drying and watering cycle analogue means |
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| CN107589237A true CN107589237A (en) | 2018-01-16 |
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| CN201710875822.8A Pending CN107589237A (en) | 2017-09-25 | 2017-09-25 | Soil body unconfined compressive strength drying and watering cycle analogue means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN115979880A (en) * | 2022-11-25 | 2023-04-18 | 中国矿业大学 | Device and method for testing near-surface soil water retention curve in low-stress environment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207081648U (en) * | 2017-09-08 | 2018-03-09 | 重庆科技学院 | Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle |
-
2017
- 2017-09-25 CN CN201710875822.8A patent/CN107589237A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207081648U (en) * | 2017-09-08 | 2018-03-09 | 重庆科技学院 | Experimental rig for analog orbit roadbed unconfined compressive strength drying and watering cycle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342486A (en) * | 2018-10-09 | 2019-02-15 | 水利部交通运输部国家能源局南京水利科学研究院 | The experimental rig of the wet dry Frozen-thawed cycled of super gravity field Imitating expansive soil channel |
| CN109342486B (en) * | 2018-10-09 | 2024-06-07 | 水利部交通运输部国家能源局南京水利科学研究院 | Test device for simulating wet, dry, freeze-thawing cycle of expansive soil channel under supergravity field |
| CN115979880A (en) * | 2022-11-25 | 2023-04-18 | 中国矿业大学 | Device and method for testing near-surface soil water retention curve in low-stress environment |
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