CN106841309A - Based on Electromagnetic Drive and the theoretical quickening water translocation method and device of consolidation by electroosmosis - Google Patents
Based on Electromagnetic Drive and the theoretical quickening water translocation method and device of consolidation by electroosmosis Download PDFInfo
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- CN106841309A CN106841309A CN201611235498.5A CN201611235498A CN106841309A CN 106841309 A CN106841309 A CN 106841309A CN 201611235498 A CN201611235498 A CN 201611235498A CN 106841309 A CN106841309 A CN 106841309A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000007596 consolidation process Methods 0.000 title claims abstract description 17
- 238000005370 electroosmosis Methods 0.000 title claims abstract description 17
- 238000003024 molecular redistribution determination method Methods 0.000 title claims description 6
- 230000005684 electric field Effects 0.000 claims abstract description 35
- 230000008859 change Effects 0.000 claims abstract description 16
- 230000008595 infiltration Effects 0.000 claims abstract description 15
- 238000001764 infiltration Methods 0.000 claims abstract description 15
- 230000005945 translocation Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 10
- 230000005672 electromagnetic field Effects 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 239000002689 soil Substances 0.000 description 16
- 238000011160 research Methods 0.000 description 8
- 239000004927 clay Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Abstract
The invention discloses a kind of quickening water translocation device based on Electromagnetic Drive and consolidation by electroosmosis theory, including model casing, Landslide Model, Ku Shui, electric field generating apparatus, magnetic field generation device；Landslide Model and Ku Shui are placed in model casing, and reservoir level is between the landslide of Landslide Model and model casing tank wall；Square under water in storehouse, model casing bottom is provided with the discharge outlet with valve；The electric field generating apparatus include adjustable DC power supply, and the cathode electrode unit and anode unit being placed in Landslide Model, and adjustable DC power supply is connected by power folder with cathode electrode unit, anode unit respectively；Magnetic field generation device makes to produce electric field and magnetic field in model casing；By changing size, the both positive and negative polarity of adjustable DC power supply, the motion of zwitterion, accelerates the infiltration and discharge of storehouse water in implementation model case internal electric field, the change in magnetic field, and then change storehouse water.The present invention also provides a kind of method for accelerating water translocation.The present invention can accelerate storehouse water to discharge and infiltration, improve test efficiency.
Description
Technical field
The invention belongs to geotechnological laboratory test technical field, and in particular to one kind is theoretical based on Electromagnetic Drive and consolidation by electroosmosis
The method and device that is migrated in Rock And Soil of quickening moisture.
Background technology
At present, influence of migration of the lab simulation moisture in Rock And Soil to the property of Rock And Soil is one very important
Research, by taking the research on landslide under dynamic base water condition as an example：Slope model test is to having that Landslide Evolution process is studied
One of effect means.Research to model at present is concentrated mainly on the relevant landslide characteristics of motion such as landslide displacement field, stress field, inside
Deformation rule and its harm.Research to Landslide Deformation failure mechanism under reservoir service condition is less, mainly studies in static state
Deformation rule under water level passes through the technique study dynamic reservoir level of numerical simulation and acts on lower deformation mechanism and deform
Gesture.Although thering is scholar to refer to reservoir level lifting side slope to destroy, by the water level freedom in the soil body that simulated experiment is obtained
Face and reservoir level face form do not conform to the actual conditions.This current model test of explanation does not reach research much for the simulation of seepage field will
Ask, be unfavorable for the research on landslide.By research be the discovery that because：1. infiltration coefficient is difficult to control in Landslide Model manufacturing process
And there is manufacture craft defect；2. the model infiltration coefficient generally Km=10 for being obtained according to the theory of similarity-6~10-7m/s
(in practice, the landslide o earth slope soil body is made up of coarse-grained soil more, and its infiltration coefficient is general 10-4~10-5The m/s orders of magnitude), in native power
Osmotic coefficient k in<10-8The soil of m/s is considered as impermeable stratum, therefore cast material is regarded as hyposmosis material.Model oozes
Permeability difference causes water translocation speed slow, elongates the work period, causes model test it is difficult to simulated reservoir fluctuation in stage process is to cunning
Slope influences.
The content of the invention
It is an object of the invention to provide a kind of quickening water translocation method based on Electromagnetic Drive and consolidation by electroosmosis theory
And device, the method and device can simulate influence of the reservoir water level fluctuation to coming down, accelerate storehouse water to discharging and permeating, improve experiment and imitate
Rate.
The technical solution adopted in the present invention is：
A kind of quickening water translocation device theoretical based on Electromagnetic Drive and consolidation by electroosmosis, including model casing, Landslide Model,
Storehouse water, electric field generating apparatus, magnetic field generation device；The Landslide Model and Ku Shui are placed in model casing, and reservoir level is in landslide
Between the landslide of model and model casing tank wall；Square under water in storehouse, model casing bottom is provided with the discharge outlet with valve；The electric field is produced
Generating apparatus include adjustable DC power supply, and the cathode electrode unit and anode unit being placed in Landslide Model, adjustable DC power supply point
Not Tong Guo power folder be connected with cathode electrode unit, anode unit；Magnetic field generation device makes to produce electric field and magnetic field in model casing；Pass through
Change size, the both positive and negative polarity of adjustable DC power supply, implementation model case internal electric field, the change in magnetic field, and then change negative and positive in the water of storehouse
The motion of ion, accelerates the infiltration and discharge of storehouse water.
By such scheme, the magnetic field generation device includes the upper magnet being installed at the top of model casing and is installed in model casing
The lower magnet of bottom；The upper magnet is paved with whole model casing top, and the lower magnet is paved with whole model casing bottom；To provide
Uniform and stable magnetic field.
By such scheme, the anode unit includes many anode conductings silk be arrangeding in parallel, one end of anode conducting silk
It is connected, the other end of anode conducting silk is connected by power folder with adjustable DC power supply；The cathode electrode unit includes parallel
The many negative electrode conductive filaments for setting, one end of negative electrode conductive filament is connected, the other end of negative electrode conductive filament by power folder with
Adjustable DC power supply is connected；Spacing between adjacent anode conductive filament is 0.7-1.2cm；Spacing between neighbouring cathode conductive filament
It is 0.7-1.2cm；The cathode electrode unit is placed in the trailing edge of Landslide Model, before the anode unit is placed in the landslide of Landslide Model
Portion.The structure can make the uniform and stable electric field of offer, so that magnetic field is also uniform, stable.
By such scheme, the storehouse water is that molar concentration is the NaCl solution of 1mol/L.
The present invention also provides a kind of quickening water translocation method based on Electromagnetic Drive and consolidation by electroosmosis theory, including as follows
Step：
Step one, making Landslide Model, install cathode electrode unit, in the landslide front end of Landslide Model in the trailing edge of Landslide Model
Anode unit is installed, detecting instrument is installed in Landslide Model；Above-mentioned Landslide Model is placed in model casing, by anode unit and
Cathode electrode unit is connected by power folder with adjustable DC power supply；Upper magnet is set at the top of model casing, magnetic is set in model casing bottom
Iron；Storehouse water is entered in model casing by the osculum of model casing bottom, is made when storehouse water water level reaches predetermined altitude, shutoff valve
Door；
Step 2, connection adjustable DC power supply, set voltage, and storehouse water is migrated under electric field, electromagnetic field effect, makes storehouse
Water is permeated to Landslide Model, and infiltration rate of the storehouse water to Landslide Model is controlled by changing voltage；Change adjustable DC power supply
Both positive and negative polarity, storehouse water is migrated under electric field, electromagnetic field effect, makes storehouse water discharge model casing, and storehouse water is controlled by changing voltage
Discharge the speed of model casing.
The beneficial effects of the present invention are：
The present invention in the case of the infiltration coefficient for not changing cast material is isoparametric, by adjusting voltage, magnetic field intensity
Size change the infiltration coefficient of storehouse water, overcome modeling storehouse water to change model in the process of the test of landslide influence permeated
Coefficient is small, and storehouse water is difficult the defect of infiltration, changes the permeability and time of penetration of storehouse water, with accurate simulation reservoir water level fluctuation to landslide
Influence；
The present invention can effectively accelerate infiltrating and excluding for storehouse water, improve slope model test efficiency.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is structural representation of the present invention based on the theoretical quickening water translocation device of Electromagnetic Drive and consolidation by electroosmosis；
Fig. 2 is that cathode electrode unit, anode unit install schematic diagram；
Fig. 3 is the schematic top plan view of cathode electrode unit, anode unit；
Wherein：1st, model casing, 2, Landslide Model, 2-1, landslide, 3, Ku Shui, 4, cathode electrode unit, 4-1, negative electrode conductive filament, 5,
Anode unit, 5-1, anode conducting silk, 6, upper magnet, 7, lower magnet.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
It is theoretical theoretical with consolidation by electroosmosis that theory used by the present invention is mainly Electromagnetic Drive.Wherein Electromagnetic Drive principle is liquid
Zwitterion plays a major role to conductive and generation Lorentz force in body.Such as Fig. 1, one is applied in the x directions of Landslide Model
Even electric field, a uniform magnetic field is applied in y directions.Charged ion will be fixed along the directed movement of x directions in the presence of electric field
Lorentz force in the z-direction will be produced under magnetic fields to the ion of motion.When the power is more than fluid viscous power, will
Flow liquid.Theoretical according to consolidation by electroosmosis, the soil body can occur electrophoresis and electroosmosis under the electric field, i.e., negatively charged
Soil particle faces south, and Ghandler motion is dynamic, and hydrone is to movable cathode.Electric osmosis principle is usually used in basement process, accelerates the consolidation of bury, effect
Fruit is very good, and consolidation by electroosmosis is theoretical also more perfect.Because the soil particle structure of existing Landslide Model is compared with stability, only seldom
Partial soil particle produces motion, so moveable anion quantity is far smaller than cations quantity, i.e. n+z+e ＞ ＞ n-z-
E, the cation of relative surplus is under DC Electric Field to movable cathode.It is theoretical with reference to consolidation by electroosmosis theory and Electromagnetic Drive,
Derive time of penetration T and voltage Ve, the relational expression of magnetic field intensity B：Wherein α, β are and soil body initial aqueous
The relevant parameter of property such as rate, saturated aqueous rate；Specially：
In formula, κ is empirical parameter, span 0.5~1.3；wrIt is the saturated aqueous rate of the soil body, w0It is initial aqueous rate, L
It is Landslide Model length, g is acceleration of gravity, ρwIt is the density of water, γ is the severe of the soil body.
Referring to Fig. 1-Fig. 3, a kind of quickening water translocation device based on Electromagnetic Drive and consolidation by electroosmosis theory, including model
Case 1, Landslide Model 2, storehouse water 3, electric field generating apparatus, magnetic field generation device Landslide Models 2 and storehouse water 3 are placed in model casing 1,
And storehouse water 3 is located between the landslide 2-1 of Landslide Model 2 and the tank wall of model casing 1；Below storehouse water 3, the bottom of model casing 1 is provided with band
The discharge outlet of valve.Electric field generating apparatus include adjustable DC power supply, and the cathode electrode unit 4 and sun being placed in Landslide Model 2
Pole unit 5, adjustable DC power supply is connected by power folder with cathode electrode unit 4, anode unit 5 respectively, to produce electric field and magnetic field.
Anode unit 5-1 includes the anterior many anode conductings silk 5-1 of the landslide 2-1 for being set in parallel in Landslide Model 2, and adjacent anode is led
Electricity, the spacing between 5-1 is 0.7-1.2cm, and one end of anode conducting silk 5-1 is connected, and the other end of anode conducting silk 5-1 is equal
It is connected with adjustable DC power supply by power folder；Cathode electrode unit 4 includes that many negative electrodes for being set in parallel in the trailing edge of Landslide Model 2 are led
Electrical filament 4-1, one end of negative electrode conductive filament 4-1 is connected, and the other end of negative electrode conductive filament 4-1 passes through power folder and adjustable DC
Power supply is connected, and the spacing between neighbouring cathode conductive filament 4-1 is 0.7-1.2cm.Electric field generating apparatus can provide uniform and stable
Electric field, so as to provide the magnetic field of uniform stabilization.Magnetic field generation device includes being installed in the upper magnet 6 at the top of model casing 1 and installs
In the lower magnet 7 of the bottom of model casing 1；Upper magnet 6 is paved with the top of whole model casing 1, and lower magnet 7 is paved with the bottom of whole model casing 1；
Magnetic field generation device can provide uniform and stable magnetic field and electric field.By changing size, the both positive and negative polarity of adjustable DC power supply, realize
Model casing internal electric field, the change in magnetic field, and then change the motion of zwitterion in the water of storehouse, accelerate the infiltration and discharge of storehouse water.
In the present embodiment, storehouse water 3 is that molar concentration is the NaCl solution of 1mol/L.
The present invention also provides a kind of quickening water translocation method based on Electromagnetic Drive and consolidation by electroosmosis theory, including as follows
Step：
Step one, making Landslide Model, install cathode electrode unit, in the landslide front end of Landslide Model in the trailing edge of Landslide Model
Anode unit is installed, detecting instrument is installed in Landslide Model；Above-mentioned Landslide Model is placed in model casing, by anode unit and
Cathode electrode unit is connected by power folder with adjustable DC power supply；Upper magnet is set at the top of model casing, magnetic is set in model casing bottom
Iron；Storehouse water is entered in model casing by the osculum of model casing bottom, is made when storehouse water water level reaches predetermined altitude, shutoff valve
Door；
Step 2, connection adjustable DC power supply, set voltage, and storehouse water is migrated under electric field, electromagnetic field effect, makes storehouse
Water is permeated to Landslide Model, and infiltration rate of the storehouse water to Landslide Model is controlled by changing voltage；Change adjustable DC power supply
Both positive and negative polarity, storehouse water is migrated under electric field, electromagnetic field effect, makes storehouse water discharge model casing, and storehouse water is controlled by changing voltage
Discharge the speed of model casing.
The step of step one is：
1), configuration moisture content is the clay of w0 (w0 determines according to the actual conditions of research object), and sealing preserve stands
24h so that clay is aqueous uniform；
2) clay water content, density, are tested according to earthwork test rule；
3) clay of m1 weights, is weighed, during clay successively then inserted into model casing 1 again, several leading is added during banketing
Electrical filament (electrode), (being careful not to break conductor), and detecting instrument, keep surface of clay it is smooth, while weigh come clay and
The gross mass m2 (to ensure the soil mass property uniformity that comes down) of electrode, model casing 1, sealing preserve is (to ensure initial aqueous rate not
Become), stand 24 hours and consolidated under deadweight；
4), magnet is set at the top and bottom of model casing, storehouse water 3 is slowly put into model casing, gradually rise to design
Highly；
5), electrode is connected by power folder with adjustable DC power supply.
The step of step 2 is：
1) adjustable DC power supply, is connected, voltage is set into V1, and (property according to the soil body determines α, β, time and known
Magnetic field intensity determines voltage V1), storehouse water is migrated under electromagnetic field effect, accelerates storehouse water to penetrate into Landslide Model；
2), after storehouse water stablizes 5 hours, adjustable DC power positive cathode is changed, electromagnetic field becomes to the active force of water
Change, pointed to outside slope by slope, accelerate the exclusion of storehouse water, and then reach the effect for shortening storehouse water efflux time.
In step 2, by changing the voltage swing of adjustable DC power supply, so as to change the size of electromagnetic field, and then adjust
Moisture content migration rate, changes the permeability of storehouse water.
In the present invention, water cut test is determined according to earthwork test rule；Quality is determined by corresponding precision electronic scale；Row
Water is discharged by being arranged on the hole of model casing bottom, and can be by Valve controlling drainage rates；Electric field generation device, magnetic field occur
Device provides the electric field of stabilization, can adjust voltage swing as needed；Electric field generation device, field generator for magnetic provide stabilization
Magnetic field.
In the present invention, electric field generation device, electromagnetic generator produce orthogonal electromagnetic field, electromagnetism field direction difference
For：Parallel to XZ planes, the magnetic field perpendicular to X/Y plane, parallel to X/Y plane, the electric field perpendicular to YZ planes.Model casing is used
Lucite is made.
The present invention is acted in electromagnetic force by ionic liquid and is issued to the purpose for accelerating water translocation speed.The present invention is very
Good solves model reservoir level infiltration problem.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (8)
1. a kind of quickening water translocation device theoretical based on Electromagnetic Drive and consolidation by electroosmosis, it is characterised in that：Including model casing,
Landslide Model, Ku Shui, electric field generating apparatus, magnetic field generation device；The Landslide Model and Ku Shui are placed in model casing, and storehouse water
Between the landslide of Landslide Model and model casing tank wall；Square under water in storehouse, model casing bottom is provided with the discharge outlet with valve；Institute
Stating electric field generating apparatus includes adjustable DC power supply, and the cathode electrode unit and anode unit being placed in Landslide Model, straight-adjustable
Stream power supply is connected by power folder with cathode electrode unit, anode unit respectively；Magnetic field generation device make to produce in model casing electric field and
Magnetic field；By changing size, the both positive and negative polarity of adjustable DC power supply, implementation model case internal electric field, the change in magnetic field, and then change storehouse
The motion of zwitterion in water, accelerates the infiltration and discharge of storehouse water.
It is 2. according to claim 1 to accelerate water translocation device, it is characterised in that：The magnetic field generation device includes installing
Upper magnet and the lower magnet for being installed in model casing bottom at the top of model casing.
It is 3. according to claim 2 to accelerate water translocation device, it is characterised in that：The upper magnet is paved with whole model casing
Top, the lower magnet is paved with whole model casing bottom.
4. according to any described quickening water translocation device in claim 1-3, it is characterised in that：The anode unit includes
The many anode conductings silk be arrangeding in parallel, one end of anode conducting silk is connected, and the other end of anode conducting silk passes through power supply
Folder is connected with adjustable DC power supply；The cathode electrode unit includes many negative electrode conductive filaments be arrangeding in parallel, the one of negative electrode conductive filament
End is connected, and the other end of negative electrode conductive filament is connected by power folder with adjustable DC power supply.
It is 5. according to claim 4 to accelerate water translocation device, it is characterised in that：Spacing between adjacent anode conductive filament
It is 0.7-1.2cm；Spacing between neighbouring cathode conductive filament is 0.7-1.2cm.
It is 6. according to claim 4 to accelerate water translocation device, it is characterised in that：The cathode electrode unit is placed in Landslide Model
Trailing edge, the landslide that the anode unit is placed in Landslide Model is anterior.
It is 7. according to claim 1 to accelerate water translocation device, it is characterised in that：The storehouse water is for molar concentration
The NaCl solution of 1mol/L.
8. a kind of quickening water translocation method theoretical based on Electromagnetic Drive and consolidation by electroosmosis, it is characterised in that including following step
Suddenly：
Step one, making Landslide Model, cathode electrode unit is installed in the trailing edge of Landslide Model, is installed in the landslide front end of Landslide Model
Anode unit, installs detecting instrument in Landslide Model；Above-mentioned Landslide Model is placed in model casing, by anode unit and negative electrode
Unit is connected by power folder with adjustable DC power supply；Upper magnet is set at the top of model casing, magnet is set in model casing bottom；It is logical
The osculum for crossing model casing bottom enters in model casing storehouse water, makes when storehouse water water level reaches predetermined altitude, closes valve；
Step 2, connect adjustable DC power supply, voltage be set, storehouse water migrates under electric field, electromagnetic field effect, make storehouse water to
Landslide Model is permeated, and infiltration rate of the storehouse water to Landslide Model is controlled by changing voltage；Change the positive and negative of adjustable DC power supply
Pole, storehouse water is migrated under electric field, electromagnetic field effect, makes storehouse water discharge model casing, controls storehouse water to discharge by changing voltage
The speed of model casing.
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| CN201611235498.5A CN106841309B (en) | 2016-12-28 | 2016-12-28 | Method and device for accelerating moisture migration based on electromagnetic driving and electroosmosis consolidation theory |
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| CN201611235498.5A CN106841309B (en) | 2016-12-28 | 2016-12-28 | Method and device for accelerating moisture migration based on electromagnetic driving and electroosmosis consolidation theory |
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