CN109557012A - A kind of constant head Radial Flow Through Porous Media experimental rig and application method - Google Patents
A kind of constant head Radial Flow Through Porous Media experimental rig and application method Download PDFInfo
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- CN109557012A CN109557012A CN201910061028.9A CN201910061028A CN109557012A CN 109557012 A CN109557012 A CN 109557012A CN 201910061028 A CN201910061028 A CN 201910061028A CN 109557012 A CN109557012 A CN 109557012A
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- 238000000034 method Methods 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000002689 soil Substances 0.000 claims abstract description 43
- 230000035515 penetration Effects 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004575 stone Substances 0.000 claims abstract description 21
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 18
- 238000011160 research Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract 1
- 230000002706 hydrostatic effect Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention announces a kind of using hydrostatic head method simulation radial penetration experimental rig and application method, belongs to soil test research field.It mainly include radial penetration instrument, ordinary water head controlling device and computerized data acquisition system.Radial penetration instrument is made of pedestal, sleeve, upper cover rubber seal, pedestal rubber seal, rubber waterproof gasket, shank of bolt, upper cover and pressurization lid, inside be followed successively by permeable column, interior filter paper, soil sample, outer filter paper and cyclic annular permeable stone from the inside to the outside；Annulus column soil sample is placed between permeable column and cyclic annular permeable stone；Permeable column is located at sleeve center, and the water outlet duct being arranged on bottom end and pedestal is connected；Ordinary water head controlling device includes bracket, suction pump, large beaker and sink, so that the soil body is realized Radial Flow Through Porous Media process under constant head by this control device.Present apparatus Control experiment carries out under constant head, more actually reacts process of osmosis of soil body under the conditions of Radial Flow Through Porous Media, and can radial penetration coefficient that is quick, being accurately obtained the soil body.
Description
Technical field
The present invention relates to centrifugal modeling research field, in particular to a kind of constant head Radial Flow Through Porous Media experimental rig and user
Method.
Background technique
The permeability of the soil body is must in the important fundamental characteristics of the soil body and Practical Project and progress soil test research
One of the index that must be measured.Particularly, infiltration coefficient native in sand drain consolidation theory can be divided into vertical infiltration coefficient and radial infiltration
Saturating coefficient, testing equipment and method about one-dimensional vertical Penetration Signature relative maturity, corresponding vertical infiltration coefficient can also
To be measured by test, and the test of the permeability for the soil body under the conditions of Radial Flow Through Porous Media and radial penetration coefficient determination at present
And it is immature, more targeted test method and testing equipment are had no, existing test controllability is poor and cannot be good
Simulate radial penetration rule.Therefore, radial penetration coefficient can be measured and can more actually simulate the soil body in diameter by needing one kind
The device of infiltrative development law in the case of to seepage flow, to provide reference frame for the processing of Practical Project problem.
Summary of the invention
It is an object of the invention to solve the problems, such as above-mentioned the deficiencies in the prior art and, provide a kind of constant head diameter
To seepage flow test device and application method.
A kind of constant head Radial Flow Through Porous Media experimental rig provided by the invention mainly includes radial penetration instrument, constant head control
Device and computerized data acquisition system, it is characterised in that: radial penetration instrument is by pedestal, sleeve, upper cover rubber seal, pedestal rubber
Glue sealing ring, rubber waterproof gasket, shank of bolt, upper cover and pressurization lid are constituted, inside be followed successively by permeable column, interior filter from the inside to the outside
Paper, soil sample, outer filter paper and cyclic annular permeable stone；For placing annulus column soil sample between permeable column and sleeve, between soil sample and sleeve
Equipped with cyclic annular permeable stone；Soil sample top is placed with rubber waterproof gasket and upper cover, is equipped with water filling at upper cover annular permeable stone position
Hole and gas vent, water filling port lower part is connect with annular permeable stone can directly provide confining pressure；Permeable column is located at sleeve center, top
Water filling port and rubber washer are equipped at upper cover position, the water outlet duct being arranged on bottom end and pedestal is connected；Pressurization lid and upper cover are logical
It crosses spiral screw rod to fix, for maintaining the pressure of upper cover and soil sample；Apopore is connected by the collection bottle of hose and collection discharge water
It connects, collection bottle has the electronic balance of measurement discharge water quality, and electronic balance, which can be placed on experimental desk to acquire with PC data, is
System is connected；Ordinary water head controlling device includes: the large beaker with apopore and blasthole, sink and suction pump；Suction pump passes through soft
Pipe is connected with blasthole, by the way that ceaselessly the water in sink is pumped into large beaker, large beaker is made to be in water-filled shape always
State achievees the purpose that control constant head, apopore are connected by drainpipe with gas vent；PC data collection system is in collection bottle
The radial penetration COEFFICIENT K of soil sample can be obtained by calculation in water Q real-tune TT & Cr。
Preferably, it is equipped with rubber washer between water injection hole and the through-hole of upper cover above the permeable column, primarily serves water proof
The effect of sealing, so that water body is not oozed out or overflowed from top cover in test carries out.
Preferably, the inner wall of the upper cover is equipped with rubber waterproof gasket, and for preventing in process of osmosis, fluid is from top cover
It overflows, after upper cover pressure testing, to play sealing function.
Preferably, the sleeve lining is smooth, lower part band edge, and 3 screw holes are uniformly provided on side, and bottom is equipped with sleeve rubber
Glue sealing ring fixing groove, wherein 70 millimeters of sleeve diameter, 100 millimeters of height, 10 millimeters of wall thickness, 15 millimeters of lower part hem width, thickness
10 millimeters, 6 millimeters of tapped bore.
Preferably, 10 millimeters of the pedestal intermediate projections, convex portion diameter is consistent with sleeve diameter, and middle position is equipped with
Permeable column groove and lower drainage hole, edge are equipped with corresponding cyclic annular permeable stone positioning groove, and groove thickness is 10 millimeters, both sides
Equipped with corresponding pedestal rubber seal fixing groove, 3 base screw holes and 3 bolt rod aperture, screw connects pedestal and set
Cylinder, shank of bolt connect pedestal and upper cover.
Preferably, the electronic balance precision being connected with computer is 0.001 gram, to achieve the purpose that precise measurement.
Preferably, it is full of water in the ordinary water head controlling device large beaker, is filled the water, is made more into large beaker by suction pump
Remaining water is constantly overflowed from large beaker top, to keep head constant always.
Preferably, the ordinary water head controlling device bracket can be with automatic lifting, so as to carry out the ordinary water of different heads
Head test.
Preferably, the pedestal, sleeve, upper cover, pressurization lid, bracket and sink, material are stainless steel.
Compared with prior art, the invention has the following advantages: the present invention provides a kind of constant head Radial Flow Through Porous Medias
Experimental rig and application method, fluid flow into annular permeable stone from water inlet, then flow through soil body sample through annular permeable stone,
The seepage flow in the soil body is radially therefrom in the water draining pass for being discharged to permeable column bottom finally by permeable column, it can be more true
The soil body infiltrative development law in Radial Flow Through Porous Media is reacted, and the radial penetration system of the soil body can be obtained by calculation
Number；Computerized data acquisition system real-time measurement flow Q is utilized during test, avoids artificial error in reading, test data is accurate
Reliably；Device production is simple, at low cost, easy to operate, and test process is simple, efficient, quick.
Detailed description of the invention
Fig. 1 the structural representation of present invention.
Fig. 2 radial penetration instrument sleeve schematic cross-sectional view.
Fig. 3 radial penetration instrument pedestal schematic cross-sectional view.
Fig. 4 radial penetration instrument upper cover schematic cross-sectional view.
Fig. 5 radial penetration instrument upper cover schematic top plan view.
Fig. 6 radial penetration instrument pressurization lid schematic top plan view.
It is identified in figure: 1- fulcrumbracket；2- pedestal；3- screw；3a- sleeve lower screw hole；3b- base screw hole；The bottom 4-
Seat rubber seal；Rubber seal fixing groove under 4a- sleeve；4b- pedestal rubber seal fixing groove；5- ring-type permeable stone；
6- soil sample；The permeable column of 7-；The outer filter paper of 8-；Filter paper in 9-；10- screw rod；Screw hole on 10a- sleeve；10b- pedestal screw hole；11-
Sleeve；12- upper cover；13- upper cover rubber seal；13a- upper cover rubber seal fixing groove；14- rubber waterproof gasket；15- adds
Gland；16- bolt；17- rubber washer；18- central water flooding hole valve；19- central water flooding hole；20- gas vent valve；21- row
Stomata；Drainage hole under 22-；Drainage hole valve under 23-；24- collection bottle；25- electronic balance；26- bracket；27- suction pump；28-
Beaker；29- sink；30- water injection hole；31- water injection hole valve.
Specific embodiment
The following is specific embodiments of the present invention, and is described in conjunction with technical solution of the attached drawing to invention, but this hair
It is bright to be not limited to this embodiment.
The embodiment embodiment by 20 millimeters saturation remodeling stickiness soil samples Radial Flow Through Porous Media test for, experimental rig referring to
Fig. 1-Fig. 6.Experimental rig mainly includes radial penetration instrument, ordinary water head controlling device and computerized data acquisition system.Radial penetration
Instrument is by pedestal 2, sleeve 11, lower sealing rubber ring 4, upper sealing rubber ring 13, rubber waterproof gasket 14, shank of bolt 10, upper cover 12
Constituted with pressurization lid 15, inside be followed successively by permeable column 7, interior filter paper 9, soil sample 6, outer filter paper 8 and cyclic annular permeable stone from the inside to the outside
5；Cyclic annular permeable stone 5 is equipped with for placing annulus column soil sample 6 between permeable column 7 and sleeve 11, between soil sample 6 and sleeve 11；Soil
6 top of sample is placed with rubber waterproof gasket 14 and upper cover 12, and water filling is equipped at 12 position of upper cover above cyclic annular permeable stone 5
Hole 30 and gas vent 21,30 lower part of water injection hole is connect with annular permeable stone 5 can directly provide confining pressure；Permeable column 7 is located at sleeve 11
Center, top are equipped with water filling port 19 and rubber washer 17, and the water outlet duct being arranged on bottom end and pedestal 2 is connected；Pressurization lid 15
It is fixed by spiral screw rod 10 with upper cover 12, for maintaining the pressure of upper cover 12 Yu soil sample 6；Apopore 22 is by hose and collects
The collection bottle 24 that water is discharged connects, and collection bottle 24 has the electronic balance 25 of measurement discharge water quality, and electronic balance 25 can be put
It is connected on experimental desk with PC data collection system；Ordinary water head controlling device include: the large beaker 28 with apopore and blasthole,
Sink 29 and suction pump 27；Suction pump 27 is connected by hose with blasthole, by the way that ceaselessly the water in sink 29 is pumped into greatly
In beaker 28, make large beaker 28 always in water-filled state, achievees the purpose that control constant head；PC data collection system
To water Q real-tune TT & C in collection bottle 25, the radial penetration COEFFICIENT K of soil sample can be obtained by calculationr；
Test process is as follows:
Step 1: preparing 1 70 millimeters of diameter, the stainless steel cutting ring of 20 millimeters of height, inner surface smears one layer of vaseline；
Step 2: taking solid soil sample with ready cutting ring, be then evacuated saturation in saturation bucket, be first evacuated 1 hour, water filling
It is taken out after impregnating 24 hours, then takes diameter 10mm cylinder to obtain annulus with micro metal fluted drill positive alignment cutting ring centre drill
Column soil sample 6；
Step 3: sleeve 11 is placed on pedestal 2, keeps pedestal rubber seal 4 corresponding with block set rubber seal retention grooves 4b,
It is inserted into screw hole 3a with by screw 3 again, tightens and guarantees radial penetration instrument pedestal 2 and 11 airtight connection of sleeve, then to sleeve 11
Topping-up, check pedestal connect with block set whether leak；
Step 4: placing cyclic annular permeable stone 5, outer filter paper 8 in sleeve 11, cutting ring is directed at 11 mouthfuls of radial penetration instrument sleeve, is beaten
The valve 23 for opening drainage hole 22 under radial penetration instrument slides into annulus column sample 6 freely in radial penetration instrument sleeve 11, sleeve 11
Inner air will be extruded, and soil sample 6 closes valve 23 after reaching 11 bottom of sleeve, then the topped up with water in sleeve；
Step 5: in one layer of permeable 9 appearance face paste of column cyclic annular filter paper, 6 center of annulus column soil sample is then slowly put into, then in soil
One layer of rubber waterproof gasket 14 is pasted in 6 upper surface of sample, and avoiding water in soil sample 6, there are gaps, and laminar flow occurs with upper cover 12；
Step 6: rubber seal 13 being placed in upper cover rubber seal fixing groove 13a, cover rim applies one layer of silicone grease, a side
Face reduces frictional force, on the one hand increases airtightness, and rubber washer 17 is filled on the reserved through-hole wall of upper cover, and it is closed to play water proof
The upper cover 12 of 150 millimeters of 70 millimeters thick of diameter with rubber seal is then slowly filled in 6 upper surface of soil sample by effect；
Step 7: pressurization lid 15 being placed in upper cover 12, screw rod 10 is then inserted into screw hole 10a tightening nuts 16, makes radial direction
Permeameter Integral sealing opens the valve 23 of radial penetration instrument drainage hole 22, is filled the water with syringe from water injection hole 19, radial
Valve 18 is closed after air is discharged out of drainpipe 22 in permeameter；
Step 8: opening exhaust valve 20, filled the water from water injection hole 30, close valve 20 after water is flowed out from exhaust pipe 21, then toward big
Topped up with water in beaker 28, while aspiration pump 27 is run, seepage tests are carried out, outflow water is stored in collection bottle 24, test knot
The reading that electronic balance 25 is read when beam, can obtain radial penetration coefficient by following calculating process.
Step 9: the measurement of radial penetration coefficient: set radial penetration instrument internal-and external diameter radius as r, R (internal diameter is permeable column radius,
Outer diameter be soil sample outer radius), sample high H, radius ρ place flow velocity be v, radial penetration coefficient be kr, edit large beaker and sample
Head difference be Δ h, in the Δ t time collection bottle collect water be Q, then radial penetration coefficient can be obtained according to the equal condition of flow
kr:
The description of above-mentioned specific embodiment is merely to illustrate the present invention, rather than the rights protection model that limitation is of the invention
It encloses.
Claims (9)
1. a kind of constant head Radial Flow Through Porous Media experimental rig mainly includes radial penetration instrument, ordinary water head controlling device and computer data
Acquisition system, it is characterised in that: radial penetration instrument is by pedestal, sleeve, upper cover rubber seal, pedestal rubber seal, rubber
Waterproof gasket, shank of bolt, upper cover and pressurization lid are constituted, inside be followed successively by permeable column, interior filter paper, soil sample, outer filter from the inside to the outside
Paper and cyclic annular permeable stone；It is equipped with for placing annulus column soil sample between permeable column and sleeve, between soil sample and sleeve cyclic annular permeable
Stone；Rubber waterproof gasket and upper cover are placed in soil sample top, and water injection hole and gas vent, water filling are equipped at upper cover annular permeable stone position
Mouth lower part is connect with annular permeable stone can directly provide confining pressure；Permeable column is located at sleeve center, and top is equipped at upper cover position
The water outlet duct being arranged on water filling port and rubber washer, bottom end and pedestal is connected；Pressurization lid and upper cover are fixed by spiral screw rod,
For maintaining the pressure of upper cover and soil sample；Apopore is connect by hose with the collection bottle for collecting discharge water, and collection bottle has
The electronic balance of measurement discharge water quality, electronic balance can be placed on experimental desk to be connected with PC data collection system；Constant head control
Device processed includes: the large beaker with apopore and blasthole, sink and suction pump；Suction pump is connected by hose with blasthole,
By the way that ceaselessly the water in sink is pumped into large beaker, so that large beaker is in water-filled state always, reach control ordinary water
The purpose of head, apopore are connected by drainpipe with gas vent；PC data collection system is to water in collection bottleQReal-tune TT & C,
The radial penetration coefficient of soil sample can be obtained by calculationK r 。
2. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: note above the permeable column
Rubber washer is equipped between water hole and the through-hole of upper cover.
3. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the inner wall of the upper cover is set
There is rubber waterproof gasket, be connected by shank of bolt with pedestal, is equipped with inlet opening, exhaust at corresponding ring-type permeable stone top position
Hole, interposition are equipped with water injection hole.
4. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the sleeve lining light
Sliding, lower part band edge, side is equipped with screw hole, and bottom is equipped with sleeve rubber seal fixing groove.
5. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the pedestal intermediate projections
10 millimeters, convex portion diameter is consistent with sleeve diameter, and middle position is equipped with permeable column groove and lower drainage hole, and edge is equipped with phase
The cyclic annular permeable stone positioning groove answered, both sides are equipped with corresponding pedestal rubber seal fixing groove, base screw hole and shank of bolt
Hole, screw connect pedestal and sleeve, and shank of bolt connects pedestal and upper cover.
6. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the discharge water is with catchmenting
Bottle is collected, while being weighed with the electronic balance being connected with computer.
7. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the constant head control dress
It sets in large beaker full of water, is filled the water by suction pump into large beaker, overflow extra water constantly from large beaker top, from
And keep head constant always.
8. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the constant head control dress
Setting bracket can be with automatic lifting.
9. a kind of constant head Radial Flow Through Porous Media experimental rig as described in claim 1, it is characterised in that: the pedestal, sleeve, on
Lid, pressurization lid, bracket and sink, material are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061028.9A CN109557012A (en) | 2019-01-22 | 2019-01-22 | A kind of constant head Radial Flow Through Porous Media experimental rig and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061028.9A CN109557012A (en) | 2019-01-22 | 2019-01-22 | A kind of constant head Radial Flow Through Porous Media experimental rig and application method |
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| Publication Number | Publication Date |
|---|---|
| CN109557012A true CN109557012A (en) | 2019-04-02 |
Family
ID=65873460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910061028.9A Pending CN109557012A (en) | 2019-01-22 | 2019-01-22 | A kind of constant head Radial Flow Through Porous Media experimental rig and application method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082281A (en) * | 2019-06-19 | 2019-08-02 | 郑州大学 | A kind of Radial Flow Through Porous Media instrument and its operating method |
| CN110108538A (en) * | 2019-06-10 | 2019-08-09 | 山东农业大学 | Adding pressure type salinized soil desalter |
| CN110174344A (en) * | 2019-06-19 | 2019-08-27 | 郑州大学 | A kind of two-way Radial Flow Through Porous Media instrument and its application method |
| CN112504941A (en) * | 2020-12-17 | 2021-03-16 | 北京航空航天大学 | Tester for researching radial permeability characteristics of soil body |
| CN113790973A (en) * | 2021-09-16 | 2021-12-14 | 中国十七冶集团有限公司 | Intelligent inspection equipment for researching concrete corrosion mechanism under seepage and inspection method thereof |
| CN115290533A (en) * | 2022-08-05 | 2022-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Centrifugal model test device and method for simulating soil body permeation |
| CN113790973B (en) * | 2021-09-16 | 2024-05-31 | 中国十七冶集团有限公司 | Intelligent inspection equipment for researching concrete corrosion mechanism under seepage and inspection method thereof |
-
2019
- 2019-01-22 CN CN201910061028.9A patent/CN109557012A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108538A (en) * | 2019-06-10 | 2019-08-09 | 山东农业大学 | Adding pressure type salinized soil desalter |
| CN110082281A (en) * | 2019-06-19 | 2019-08-02 | 郑州大学 | A kind of Radial Flow Through Porous Media instrument and its operating method |
| CN110174344A (en) * | 2019-06-19 | 2019-08-27 | 郑州大学 | A kind of two-way Radial Flow Through Porous Media instrument and its application method |
| CN110082281B (en) * | 2019-06-19 | 2024-04-12 | 郑州大学 | Radial seepage instrument and operation method thereof |
| CN112504941A (en) * | 2020-12-17 | 2021-03-16 | 北京航空航天大学 | Tester for researching radial permeability characteristics of soil body |
| CN113790973A (en) * | 2021-09-16 | 2021-12-14 | 中国十七冶集团有限公司 | Intelligent inspection equipment for researching concrete corrosion mechanism under seepage and inspection method thereof |
| CN113790973B (en) * | 2021-09-16 | 2024-05-31 | 中国十七冶集团有限公司 | Intelligent inspection equipment for researching concrete corrosion mechanism under seepage and inspection method thereof |
| CN115290533A (en) * | 2022-08-05 | 2022-11-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Centrifugal model test device and method for simulating soil body permeation |
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