CN107543756A - The experimental rig and test method of simulated rainfall humidifying in a kind of triaxial test - Google Patents
The experimental rig and test method of simulated rainfall humidifying in a kind of triaxial test Download PDFInfo
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Abstract
The present invention relates to the experimental rig and test method of simulated rainfall humidifying in a kind of triaxial test, it is characterised in that the experimental rig includes triaxial tester, three axle sample top caps, micropore water distribution uniformity device, external water supply installation and control system；External water supply installation and control system include water tank, servomotor, piston, ball-screw and computer, slided in water tank and plug piston, the outer end of piston is fixedly connected with ball-screw, the output end of servomotor is fixedly connected with ball-screw, the delivery port of water tank enters the water inlet of three axle sample top caps of balancing gate pit's connection by outlet pipeline, and crown cap water inlet control valve is set on outlet pipeline, computer is by controlling servomotor work to simulate different condition of raining.The present invention has filled up the technological gap of unsaturation slaking test under single line method measure dam material condition of raining in ground laboratory test, not only with important researching value, also has extremely wide actual application prospect.
Description
Technical field
The present invention relates to the experimental rig and test method that natural rainfall is simulated in a kind of Geotechnical Engineering, especially with regard to one
Kind realizes the experimental rig and test method of Coarse Aggregate slaking deformation characteristic under test condition of raining in triaxial test, belongs to rock
Geotechnological journey laboratory test field.
Background technology
Rainfall is one of important external cause of earth and rockfill dam dam body later stage deformation, dam body can be caused to be deformed with heart wall stress unfavorable
Influence.China is built, is building or proposed many high earth and rockfill dams are located at southwestern area of heavy rainfull, therefore, furthers investigate condition of raining
The slaking deformation mechanism and rule of lower dam material, help to ensure that the safe operation of earth-rock works, have important engineering practice
Meaning and popularizing application prospect.It is the basic means for studying above mentioned problem to carry out slaking test in soil body room.Existing humidifying examination
It is mainly compressometer and triaxial apparatus to test the instrument used.Compressometer is only capable of the slaking deformation of the soil body under the conditions of measure lateral spacing, can not
Obtain soil body slaking deformation model parameter.Triaxial apparatus can carry out the slaking deformation experiment of the soil body under different stress, relatively compress
Instrument has some superiority.
Traditional slaking test method has single line method and Double-Line Method.Double-Line Method is two of measurement respectively in hygrometric state and dry state
Strain of the individual sample under identical stress state, using both differences as the slaking deformation under the stress state.But on the one hand
Double-Line Method differs larger with actual slaking process, on the other hand for the big Coarse Aggregate of water penetration, it is difficult to make certain moisture content
Unsaturation sample, therefore it is fresh less using Double-Line Method carry out Coarse Aggregate unsaturation slaking test.Single line method is by dry state sample
Certain stress state is loaded into along a certain stress path, under conditions of proof stress state is constant, by sample be humidified to
Specified moisture content, the incremental deformation during this is measured, so as to obtain the slaking deformation under certain stress state.Tested in single line method
During, how to simulate natural precipitation, the humidifying to the certain moisture content of sample progress is the key tested.By triaxial apparatus pressure chamber
Structure is limited, and the axle slaking test of Coarse Aggregate three carried out at present is mostly to make sample immersion saturation from bottom drain holes water inlet, is ground
Study carefully its saturation Wetting Properties, differ larger with the unsaturation humidification conditions under the conditions of natural rainfall.At present, there is an urgent need to be directed to
The experimental rig of Coarse Aggregate unsaturation humidifying under condition of raining.
The content of the invention
Carried out in view of the above-mentioned problems, can be realized it is an object of the invention to provide one kind in triaxial test under condition of raining slightly
The experimental rig and test method of the simulation natural rainfall of pellet slaking deformation attribute testing.
To achieve the above object, the present invention takes following technical scheme：The examination of simulated rainfall humidifying in a kind of triaxial test
Experiment device, it is characterised in that the experimental rig includes triaxial tester and external water supply installation and control system；The three axles examination
Testing instrument includes balancing gate pit, rubber pattern, three axle sample bodies and triaxial apparatus control system, and the balancing gate pit bottom is provided with disengaging water control
Valve processed, the balancing gate pit top are equipped with load bar, and the rubber pattern is placed on the pressure for wrapping up the three axles sample body
In power room and immediately below the load bar；It is uniform that the three axles sample body includes cylinder soil sample, three axle sample top caps, micropore
Water-distributing device, geotextile, the first filter paper, the second filter paper and permeable stone, the cylinder soil sample top set the three axles sample
Top cap, the first filter paper and micropore the water distribution uniformity device, institute are placed between the cylinder soil sample and the three axles sample top cap
State and the geotextile is set between micropore water distribution uniformity device and the three axles sample top cap, the bottom of the cylinder soil sample is consolidated
Second filter paper and permeable stone are set surely, and the triaxial tester bottom offers more than one sample osculum, described
Water in cylinder soil sample is discharged into outside the balancing gate pit by the sample osculum through sample water drain road, each examination
The outer end of sample discharge pipe line is fixedly installed sample draining valve, and the triaxial apparatus control system is used to control the balancing gate pit
Pressure and adding for load bar, unload；The external water supply installation and control system include water tank, servomotor, piston, ball wire
Thick stick and computer, interior slide of the water tank plug the piston, and the outer end of the piston is fixedly connected with the ball-screw, institute
The output end for stating servomotor is fixedly connected with the ball-screw, and the delivery port of the water tank enters the pressure by outlet pipeline
Power room connects the water inlet of the three axles sample top cap, and crown cap water inlet control valve, the calculating are set on the outlet pipeline
Machine is by controlling the servomotor work to simulate different condition of raining.
Further, the three axles sample top cap uses cylinder, is provided with the top of the three axles sample top cap for contacting institute
The locating slot of load bar is stated, the three axles sample top cap side is provided through inlet through hole, the three axles sample top cap bottom
The cavity for accommodating the geotextile is provided with, the three axles sample top cap bottom is circumferentially additionally provided with several screws
Hole.
Further, the micropore water distribution uniformity device use with the three axles sample top cap size identical cylinder, it is described
Open up at the top of micropore water distribution uniformity device it is fluted turn into storage cavity, the bottom even of the storage cavity is provided with size phase
With micropore, a ring packing groove for being used to place O-ring seal is additionally provided with the top of the micropore water distribution uniformity device,
Corresponding to the position of the screw hole of the three axles sample top cap, if the micropore water distribution uniformity device periphery is correspondingly arranged at intervals with
Dry screw through-hole.
Further, it is raised that some pressure-bearings are also arranged at intervals with the storage cavity.
Further, diameter≤0.2mm of each micropore.
To achieve the above object, the present invention also takes following technical scheme：Simulated rainfall humidifying in a kind of triaxial test
Test method, it is characterised in that including herein below：1) three axle sample bodies are prepared；2) three axle sample bodies are placed on balancing gate pit,
And the load bar of balancing gate pit is set to contact at the top of three axle sample top caps of three axle sample bodies；3) by external water supply installation and control system
Water tank the water inlets of three axle sample top caps is connected to by outlet pipeline；4) inlet and outlet control valve of balancing gate pit is opened to pressure
Room water filling, inlet and outlet control valve is closed after balancing gate pit is full of water, according to testing program, adjusted and pressed by triaxial apparatus control system
Power chamber pressure is to setting value；5) the sample draining valve of three axle sample body bottom sample discharge pipe lines is opened, is applied by load bar
Deviation stress, normal triaxial shearing test is set to automatically control to the stress state set and keep the stress shape according to testing program
State；6) external water supply installation and the computer starting servomotor of control system are operated, and are changed according to test objective raininess
The computer of regulation flow, external water supply installation and control system records water supply flow in real time；7) three axle sample top caps are opened
Top cap water inlet control valve, carry out rainfall unsaturation slaking test under certain stress condition, by with triaxial tester control system
Connected sensor gathers the sample slaking deformation data in above-mentioned slaking process in real time；8) test objective rainfall is completed
Afterwards, the top cap water inlet control valve of three axle sample top caps is closed, continues triaxial shear test；9) after off-test, remove and enclose
Pressure, the inlet and outlet control valve of balancing gate pit is opened, empty pressure indoor water.
Further, the detailed process of three axle sample bodies of the step 1) preparation is：Cylinder soil sample is made according to pre-set density,
It is sequentially placed the first filter paper, micropore water distribution uniformity device, geotextile and three axle sample top caps above cylinder soil sample, and by micropore
Water distribution uniformity device is sealed with three axle sample top caps, is sequentially placed the second filter paper and permeable stone below cylinder soil sample, and adopt
Three axle sample bodies are wrapped up with rubber pattern.
For the present invention due to taking above technical scheme, it has advantages below：1st, micropore water distribution uniformity device of the invention
The minimum micropore of setting is uniformly distributed, there is higher suction, the water in the storage cavity of top can not be merely in gravity
The lower free discharge of effect, so as to make top water occur to put aside in storage cavity and form certain hydraulic pressure, in this hydraulic pressure
Under effect, the water in storage cavity is evenly distributed on the whole cross section of sample by these micropores, so as to realize
Uniform rainfall on three axle sample cross sections infiltrates, and the present invention is wet for material particularly Coarse Aggregate unsaturation in dam under research condition of raining
Change deformation characteristic and new test method is provided, versatility is good, simple in construction, reliability is high, realization is easy.2nd, experiment of the invention
Device can realize Coarse Aggregate unsaturation humidifying triaxial test under condition of raining, can be with Control Assay stress shape during experiment
State, the axial direction and cubic deformation that measurement sample occurs.3rd, the present invention is provided with external water supply installation and control system, external water supply
Device and control system are connected with three axle sample bodies in balancing gate pit, according to experiment needs, it is possible to achieve different in triaxial test to answer
Power state Imitating numerical analysis of rainfall infiltration, and the characteristics of rainfall factor such as rainfall intensity, rainfall duration can be controlled in real time, pass through sensing
Device realizes the real-time collection of slaking deformation data and characteristics of rainfall value.To sum up, the present invention has filled up single line in ground laboratory test
The technological gap of unsaturation slaking test under method measure dam material condition of raining, not only with important researching value, also with pole
Its wide actual application prospect.
Brief description of the drawings
Fig. 1 is the experimental rig structural representation of simulated rainfall humidifying in triaxial test of the invention；
Fig. 2 is the three axle sample top cap structural representations of the present invention；
Fig. 3 is the micropore water distribution uniformity apparatus structure schematic diagram of the present invention.
Embodiment
Come to carry out the present invention detailed description below in conjunction with accompanying drawing.It should be appreciated, however, that accompanying drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.In the description of the invention, it is to be understood that
Term " first ", " second " etc. are only used for the purpose of description, and it is not intended that instruction or hint relative importance.
As shown in figure 1, in triaxial test provided by the invention simulated rainfall humidifying experimental rig, except including conventional three
Outside shaft experiment instrument 1, in addition to three axle sample top caps 2, micropore water distribution uniformity device 3, external water supply installation and control system 4.
Triaxial tester 1 includes balancing gate pit 11, rubber pattern 12, three axle sample bodies 13 and triaxial apparatus control system (in figure
It is not shown), the bottom of balancing gate pit 11 is provided with an inlet and outlet control valve 14, and water flood operations are carried out into balancing gate pit 11 for controlling
Form confined pressure.The top of balancing gate pit 11 is equipped with load bar 15, for applying axial compressive force to three axle sample bodies 13.Rubber pattern 12 is used
It is placed in wrapping up three axle sample bodies 13 in balancing gate pit 11 and positioned at the underface of load bar 15.
Three axle sample bodies 13 include cylinder soil sample, three axle sample top caps 2, micropore water distribution uniformity device 3, geotextile 6, the
One filter paper 7, the second filter paper 8 and permeable stone 9, cylinder soil sample top set three axle sample top caps 2, cylinder soil sample and three axle sample tops
Be placed with the first filter paper 7 and micropore water distribution uniformity device 3 between cap 2, micropore water distribution uniformity device 3 and three axle sample top caps 2 it
Between be provided with filtering geotextile 6, geotextile 6 is used to filter impurities in water and makes the water by three axle sample top caps 2
Tentatively it is uniformly distributed, the second filter paper 8 and permeable stone 9 is fixedly installed in the bottom of cylinder soil sample.The bottom of triaxial tester 1 offers
More than one sample osculum (embodiment of the present invention is two, as example, not limited to this), the water in cylinder soil sample pass through
Second filter paper 8 and permeable stone 9 are simultaneously extended to outside balancing gate pit 11 by sample osculum through sample water drain road, and each sample
The outer end of discharge pipe line is fixedly installed sample draining valve 10, in addition, triaxial apparatus control system is used for control pressure room 11
Pressure and adding for load bar 15, unload, and triaxial apparatus control system is prior art, be will not be described here.
External water supply installation and control system 4 are used for the water outlet for providing flow-controllable, special to simulate different rainfall intensities
Sign, including water tank 41, piston 42, servomotor 43, ball-screw 44 and computer (not shown).Slide and insert in water tank 41
If piston 42, the outer end of piston 42 is fixedly connected with ball-screw 44, and the output end of servomotor 43 is fixedly connected with ball-screw
44.The delivery port of water tank 41 enters the water inlet 22 of three axle sample top caps 2 of the connection of balancing gate pit 11, and outlet pipe by outlet pipeline
Crown cap water inlet control valve 45 is set on road.Computer is connected by acquisition controller with servomotor 43, controls its work to enter
And simulate different condition of raining.
In a preferred embodiment, as shown in Fig. 2 three axle sample top caps 2 are cylinder, the top of three axle sample top cap 2
The locating slot 21 for contacting load bar 15 is provided with, the side of three axle sample top cap 2 is provided through inlet through hole 22, the examination of three axles
The bottom of sample top cap 2 is provided with the cavity 23 for accommodating geotextile 6, and the bottom of three axle sample top cap 2 is circumferentially additionally provided with
Several screw holes 24.
In a preferred embodiment, as shown in figure 3, micropore water distribution uniformity device 3 is used for the uniform cloth of top water
On the cross section for putting cylinder soil sample, with the unsaturation of the simulated rainfall effect of infiltrating.Micropore water distribution uniformity device 3 uses and three axles
The cylinder of the formed objects of sample top cap 2, the top of micropore water distribution uniformity device 3, which opens up, fluted turns into storage cavity 31, water storage sky
The bottom even of chamber 31 is provided with micropore 32, and the size of each micropore 32 is identical, diameter≤0.2mm, to ensure the uniform cloth of micropore
Water installations 3 can bear the effect of higher axle pressure, some pressure-bearing projections 33 are also arranged at intervals with storage cavity 31, micropore is uniform
The top of water-distributing device 3 is additionally provided with a ring packing groove 34, micro- corresponding to the position of the screw hole 24 of three axle sample top caps 2
The periphery of hole water distribution uniformity device 3 is correspondingly arranged at intervals with some screw through-holes 35, in use, placing an O in sealing groove 34
Type sealing ring, then sealed micropore water distribution uniformity device 3 and three axle sample top caps 2 with sealed screw.In use, water storage is empty
Water in chamber 31 can not free discharge under gravity merely, so as to make top water be put aside in storage cavity
And certain hydraulic pressure is formed, under the effect of this hydraulic pressure, the water in storage cavity 31 is evenly distributed to by these micropores 32
On the whole cross section of cylinder soil sample, so as to realize that the uniform rainfall on cylinder soil sample cross section infiltrates.
The test method of simulated rainfall humidifying in the triaxial test of the present invention is further illustrated below by specific embodiment,
Detailed process is：
1st, three axle sample bodies 13 are prepared.
Cylinder soil sample is made according to certain density, the first filter paper 7, micropore water distribution uniformity dress are sequentially placed above cylinder soil sample
The axle sample top cap 2 of 3, geotextile 6 and three is put, and micropore water distribution uniformity device 3 and three axle sample top caps 2 are passed through into sealed screw
Sealed with sealing ring, the second filter paper 8 and permeable stone 9 are sequentially placed below cylinder soil sample, and superscribe using rubber membrane 12
State three axle sample bodies 3.
2nd, balancing gate pit 11 is placed on after the three axle sample bodies 13 that completion will be prepared, and contacts the load bar 15 of balancing gate pit 11
The locating slot 21 of three axle sample top caps 2.
The 3rd, water tank 41 is connected to the water inlet of three axle sample top caps 2 by outlet pipeline by top cap water inlet control valve 45
22。
4th, open the inlet and outlet control valve 14 of balancing gate pit 11 to the water filling of balancing gate pit 11, closed after balancing gate pit 11 is full of water into
Outlet water control valve 14.According to testing program, the pressure of balancing gate pit 11 is adjusted to setting value by triaxial apparatus control system.
5th, the sample draining valve 10 of the bottom sample discharge pipe line of three axle sample body 13 is opened, startup is axially loaded, by adding
Carry bar 15 and apply deviation stress, carry out normal triaxial shearing test to the stress state set by testing program, automatically control guarantor
Hold the stress state.
6th, start servomotor 43 to be operated, change regulation flow by test objective raininess, computer records confession in real time
Water-carrying capacity, computer can carry out calculating acquisition water supply flow by recording the rotating cycle of ball-screw 44.
7th, the top cap water inlet control valve 45 of three axle sample top caps 2 is opened, it is wet to carry out rainfall unsaturation under certain stress condition
Change experiment, the sample humidifying gathered in real time by the sensor being connected with triaxial tester control system in above-mentioned slaking process becomes
Graphic data.Wherein, the displacement transducer of prior art can be used for obtaining the sensor of slaking deformation data, radially sensed
Device and flow sensor.Displacement transducer can be arranged on load bar 15, and radial transducer is placed around three axle sample bodies 13,
Flow sensor can be separately positioned on inlet and outlet control valve 14 and the sample water drain road of balancing gate pit 11, pass through displacement sensing
Device, radial transducer and flow sensor gathered data, which are sent to computer, can obtain axial direction, radial direction and the body of cylinder soil sample
Product change, the data acquisition of this part is prior art, is not described in detail herein.
8th, after the completion of test objective rainfall, the top cap water inlet control valve 45 of three axle sample top caps 2 is closed, is continued
Triaxial shear test.
9th, after off-test, confined pressure is removed, opens the inlet and outlet control valve 14 of balancing gate pit 11, treats that water empties in balancing gate pit 11
Afterwards, correlation test device is removed successively.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode and manufacture craft etc. are all
It can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, should not exclude
Outside protection scope of the present invention.
Claims (7)
1. the experimental rig of simulated rainfall humidifying in a kind of triaxial test, it is characterised in that the experimental rig includes triaxial test
Instrument and external water supply installation and control system；
The triaxial tester includes balancing gate pit, rubber pattern, three axle sample bodies and triaxial apparatus control system, the balancing gate pit bottom
Inlet and outlet control valve is provided with, load bar is equipped with the top of the balancing gate pit, the rubber pattern is used to wrap up the three axles sample
Body is placed in the balancing gate pit and immediately below the load bar；
The three axles sample body includes cylinder soil sample, three axle sample top caps, micropore water distribution uniformity device, geotextile, the first filter
Paper, the second filter paper and permeable stone, the cylinder soil sample top set the three axles sample top cap, the cylinder soil sample and described three
The first filter paper and micropore the water distribution uniformity device, the micropore water distribution uniformity device and described three are placed between axle sample top cap
The geotextile is set between axle sample top cap, and second filter paper and permeable is fixedly installed in the bottom of the cylinder soil sample
Stone, the triaxial tester bottom offer more than one sample osculum, and the water in the cylinder soil sample passes through the examination
Sample osculum is discharged into outside the balancing gate pit through sample water drain road, and the outer end on each sample water drain road, which is fixed, to be set
Sample draining valve is equipped with, the triaxial apparatus control system is used for the pressure for controlling the balancing gate pit and adding for load bar unloads；
The external water supply installation and control system include water tank, servomotor, piston, ball-screw and computer, the water
Slided in case and plug the piston, the outer end of the piston is fixedly connected with the ball-screw, the output of the servomotor
End is fixedly connected with the ball-screw, and the delivery port of the water tank enters the balancing gate pit by outlet pipeline and connects three axle
The water inlet of sample top cap, crown cap water inlet control valve is set, and the computer described in control by watching on the outlet pipeline
Take motor work and then simulate different condition of raining.
2. the experimental rig of simulated rainfall humidifying in a kind of triaxial test as claimed in claim 1, it is characterised in that described three
Axle sample top cap uses cylinder, and the locating slot for contacting the load bar is provided with the top of the three axles sample top cap, described
Three axle sample top cap sides are provided through inlet through hole, and the three axles sample top cap bottom is provided with for accommodating the geotechnique
The cavity of fabric, the three axles sample top cap bottom are circumferentially additionally provided with several screw holes.
3. the experimental rig of simulated rainfall humidifying in a kind of triaxial test as claimed in claim 2, it is characterised in that described micro-
Hole water distribution uniformity device uses to be opened with the three axles sample top cap size identical cylinder, the micropore water distribution uniformity device top
Turn into storage cavity provided with groove, the bottom even of the storage cavity is provided with size identical micropore, and the micropore is uniform
A ring packing groove for being used to place O-ring seal is additionally provided with the top of water-distributing device, corresponding to the three axles sample top
The position of the screw hole of cap, the micropore water distribution uniformity device periphery are correspondingly arranged at intervals with some screw through-holes.
4. the experimental rig of simulated rainfall humidifying in a kind of triaxial test as claimed in claim 3, it is characterised in that the storage
It is raised that some pressure-bearings are also arranged at intervals with water cavity.
5. the experimental rig of simulated rainfall humidifying in a kind of triaxial test as claimed in claim 3, it is characterised in that Mei Yisuo
State diameter≤0.2mm of micropore.
6. the test method of simulated rainfall humidifying in a kind of triaxial test, it is characterised in that including herein below：
1) three axle sample bodies are prepared；
2) three axle sample bodies are placed on balancing gate pit, and the load bar of balancing gate pit is contacted three axle sample top caps of three axle sample bodies
Top；
3) external water supply installation and the water tank of control system are connected to the water inlet of three axle sample top caps by outlet pipeline；
4) inlet and outlet control valve of balancing gate pit is opened to balancing gate pit's water filling, and inlet and outlet control valve is closed after balancing gate pit is full of water,
According to testing program, pressure chamber pressure is adjusted to setting value by triaxial apparatus control system；
5) the sample draining valve of three axle sample body bottom sample discharge pipe lines is opened, deviation stress is applied by load bar, according to
Testing program makes normal triaxial shearing test automatically control to the stress state set and keep the stress state；
6) external water supply installation and the computer starting servomotor of control system are operated, and are changed according to test objective raininess
The computer of regulation flow, external water supply installation and control system records water supply flow in real time；
7) the top cap water inlet control valve of three axle sample top caps is opened, carries out rainfall unsaturation slaking test under certain stress condition,
Gather the sample slaking deformation data in above-mentioned slaking process in real time by the sensor being connected with triaxial tester control system；
8) after the completion of test objective rainfall, the top cap water inlet control valve of three axle sample top caps is closed, continues three axles and cuts
Cut experiment；
9) after off-test, confined pressure is removed, opens the inlet and outlet control valve of balancing gate pit, empties pressure indoor water.
7. the test method of simulated rainfall humidifying in a kind of triaxial test as claimed in claim 6, it is characterised in that the step
It is rapid 1) prepare three axle sample bodies detailed process be：Cylinder soil sample is made according to pre-set density, is sequentially placed above cylinder soil sample
First filter paper, micropore water distribution uniformity device, geotextile and three axle sample top caps, and micropore water distribution uniformity device and three axles are tried
Sample top cap is sealed, and the second filter paper and permeable stone is sequentially placed below cylinder soil sample, and wrap up three axle samples using rubber pattern
Body.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593455A (en) * | 2018-05-29 | 2018-09-28 | 长沙理工大学 | A kind of pre- disintegration mud stone slaking deformation experimental rig with air-tightness |
| CN109612910A (en) * | 2019-02-22 | 2019-04-12 | 常州工程职业技术学院 | A kind of portable pervious concrete pavement device for testing permeability coefficient and test method |
| CN109752250A (en) * | 2019-01-22 | 2019-05-14 | 北京交通大学 | Device and method for the synchronous load of external pressure in muddy water diametral compression test |
| CN112763401A (en) * | 2021-01-15 | 2021-05-07 | 中国水利水电科学研究院 | Rockfill material humidifying deformation test device and method for simulating rainfall infiltration through servo control |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216479A (en) * | 2007-12-29 | 2008-07-09 | 中国科学院武汉岩土力学研究所 | Test device for simulating ecological rock mechanical slope protection under rainfall precipitation condition |
| CN101810127A (en) * | 2010-05-06 | 2010-08-25 | 北京航空航天大学 | Water content supply device for vegetable culture under spacial microgravity |
| CN202512016U (en) * | 2012-04-16 | 2012-10-31 | 武汉大学 | Triaxial rheology test device for rockfill |
| CN103308438A (en) * | 2013-05-30 | 2013-09-18 | 长安大学 | Modular soil body permeability tester |
| CN104677803A (en) * | 2015-03-12 | 2015-06-03 | 河南理工大学 | Constant and variable head composite penetration testing device |
| CN106324045A (en) * | 2016-11-01 | 2017-01-11 | 西安理工大学 | Device for testing electric conductivity and soil-water characteristics of loess |
| CN104458529B (en) * | 2014-11-21 | 2018-02-16 | 东华理工大学 | Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room |
-
2017
- 2017-08-15 CN CN201710695558.XA patent/CN107543756B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216479A (en) * | 2007-12-29 | 2008-07-09 | 中国科学院武汉岩土力学研究所 | Test device for simulating ecological rock mechanical slope protection under rainfall precipitation condition |
| CN101810127A (en) * | 2010-05-06 | 2010-08-25 | 北京航空航天大学 | Water content supply device for vegetable culture under spacial microgravity |
| CN202512016U (en) * | 2012-04-16 | 2012-10-31 | 武汉大学 | Triaxial rheology test device for rockfill |
| CN103308438A (en) * | 2013-05-30 | 2013-09-18 | 长安大学 | Modular soil body permeability tester |
| CN104458529B (en) * | 2014-11-21 | 2018-02-16 | 东华理工大学 | Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room |
| CN104677803A (en) * | 2015-03-12 | 2015-06-03 | 河南理工大学 | Constant and variable head composite penetration testing device |
| CN106324045A (en) * | 2016-11-01 | 2017-01-11 | 西安理工大学 | Device for testing electric conductivity and soil-water characteristics of loess |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593455A (en) * | 2018-05-29 | 2018-09-28 | 长沙理工大学 | A kind of pre- disintegration mud stone slaking deformation experimental rig with air-tightness |
| CN109752250A (en) * | 2019-01-22 | 2019-05-14 | 北京交通大学 | Device and method for the synchronous load of external pressure in muddy water diametral compression test |
| CN109612910A (en) * | 2019-02-22 | 2019-04-12 | 常州工程职业技术学院 | A kind of portable pervious concrete pavement device for testing permeability coefficient and test method |
| CN112763401A (en) * | 2021-01-15 | 2021-05-07 | 中国水利水电科学研究院 | Rockfill material humidifying deformation test device and method for simulating rainfall infiltration through servo control |
| CN112763401B (en) * | 2021-01-15 | 2021-09-24 | 中国水利水电科学研究院 | Rockfill material humidifying deformation test device and method for simulating rainfall infiltration through servo control |
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