CN207832634U - Soil mass permeability testing device - Google Patents
Soil mass permeability testing device Download PDFInfo
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- CN207832634U CN207832634U CN201820122526.0U CN201820122526U CN207832634U CN 207832634 U CN207832634 U CN 207832634U CN 201820122526 U CN201820122526 U CN 201820122526U CN 207832634 U CN207832634 U CN 207832634U
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- water storage
- sample devices
- soil mass
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- 239000002689 soil Substances 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000035699 permeability Effects 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 217
- 238000009434 installation Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000004448 titration Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004941 influx Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 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 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a kind of soil mass permeability testing device, including:Pressue device;Water storage device, the water storage device can be connect with the pressue device to pressurize to the water storage device internal liquid, and described water storage device one end is provided with the first water outlet;One end of multiple Sample devices, the Sample devices is provided with water inlet, and the other end is provided with the second water outlet, and the water inlet is connect with first water outlet;With multiple amount water installations, the multiple amount water installations can receive the fluid being discharged from the second water outlet of the multiple Sample devices.The utility model carries out pressurized control using gas-pressurized to process of osmosis, can shorten time of penetration, improves the precision of testing permeability, reduces influence of the surrounding environment change to experimental result.
Description
Technical field
The utility model belongs to Environmental Geotechnical technical field of measurement and test more particularly to a kind of soil mass permeability testing device.
Background technology
Soil is more empty granular or flaky material aggregate, there are a large amount of gap between soil particle, and point in gap
Cloth is very irregular.When, there are when energy difference, the water in soil body gap will be along the interstitial channels between soil skeleton in the soil body
The low place flowing of the ground oriented energy high from energy, what water flowed under the action of this energy difference in native interstitial channels shows
As being exactly seepage flow, the native relevant property of this and seepage flow is the permeability of soil.Seepage flow is to railway, water conservancy, mine, building and friendship
It is various when the influence and destruction of engineerings such as logical, directly influence the stabilization and safety of earth structure and ground.Soil oozes
Permeability matter includes seepage discharge, seepage failure and seepage flow prevention etc., indicates that the major parameter of soil permeability matter is infiltration coefficient.It measures
The infiltration coefficient of cohesive soil is draining the drainage equipment used in pit water accumulation to provide estimation structure foundation, is selected when building earth dam
Earth material in view of water percolating capacity and can calculate the coefficient of consolidation from infiltration coefficient, to calculate structure foundation under loading
Consolidation time etc..
Currently, hydrostatic head method can be used for cohesive soil and variable water level method measures soil body permeability.But the soil property of cohesive soil is permeated
Property low, the features such as dilatancy is big, the method precision of the existing soil body permeability for measuring cohesive soil is not high, and measurement period is longer,
And stable type is bad, is easy to influence testing permeability by ambient enviroment.
The content of background technology part is only the technology that the utility model people is known, not natural representative this field
The prior art.
Utility model content
For the prior art there are one or more of problem, the utility model provides a kind of soil mass permeability testing dress
It sets, including:
Pressue device;
Water storage device, the water storage device can be connect with the pressue device to be carried out to the water storage device internal liquid
Pressurization, described water storage device one end is provided with the first water outlet;
One end of multiple Sample devices, the Sample devices is provided with water inlet, and the other end is provided with the second water outlet, institute
Water inlet is stated to connect with first water outlet;With
Multiple amount water installations, the multiple amount water installations can receive to be discharged from the second water outlet of the multiple Sample devices
Fluid.
One side according to the present utility model, the soil mass permeability testing device further include shunting disk, the shunting
Disk one end is connect with the first water outlet of the water storage device, and the other end is provided with multiple third water outlets, the multiple third
Water outlet is connect with the water inlet of the multiple Sample devices respectively.
One side according to the present utility model, the water storage device includes water storage device ontology, platen on water storage device
With water storage device pressing disc, the water storage device ontology connects with platen on the water storage device and the sealing of water storage device pressing disc
It connects.
One side according to the present utility model, the Sample devices include Sample devices ontology, platen on Sample devices
With Sample devices pressing disc, the Sample devices ontology connects with platen on the Sample devices and the sealing of Sample devices pressing disc
It connects.
The water inlet of one side according to the present utility model, the Sample devices is arranged in second water outlet
Lower section.
One side according to the present utility model, the water storage device pass through controlled valve and conduit with the pressue device
It is attached and/or the water storage device is attached with the shunting disk by controlled valve and conduit and/or described point
Flow table and the Sample devices by controlled valve and conduit be attached and/or the second water outlet of the Sample devices on
It is provided with controlled valve.
One side according to the present utility model, the amount water installations include buret, graduated cylinder or measuring cup.
One side according to the present utility model is also set between the third water outlet and the water inlet of the Sample devices
It is equipped with pressure tester.
One side according to the present utility model, the pressue device include nitrogen gas tank.
One side according to the present utility model is additionally provided with pressure control between the pressue device and the water storage device
Valve processed.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings:
Fig. 1 is the schematic diagram of the soil mass permeability testing device of one embodiment according to the present utility model;
Fig. 2 is the schematic diagram of the water storage device of one embodiment according to the present utility model;
Fig. 3 is the schematic diagram of the Sample devices of one embodiment according to the present utility model.
Specific implementation mode
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present utility model, it can be changed by various different modes described real
Apply example.Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
In the description of the present invention, it should be understood that term " upper ", " under " orientation or positional relationships of equal instructions
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and cannot understand
To indicate or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", "
Second ", the feature of " third " can explicitly or implicitly include one or more feature.In the utility model
In description, " multiple " are meant that two or more, unless otherwise specifically defined.In the description of the utility model
In, term " water storage device ", " water outlet ", " water inlet " and " amount water installations " are only easy for description the utility model or simplify to retouch
It states or generality describes, can not simply think that the liquid stored in water storage device is exactly water, water outlet and water inlet can not
It is simple that think disengaging is exactly water, amount water installations can not simply think only be the volume of measurement water device.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature its " upper " or it "
Under " may include that the first and second features are in direct contact, can also include the first and second features not be to be in direct contact but logical
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " be including the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature right over second feature and oblique upper, or only
Indicate that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example for the various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
In the first embodiment of the utility model, a kind of soil mass permeability testing device 100 is provided.Such as Fig. 1 institutes
Show, soil mass permeability testing device 100 includes pressue device 1, water storage device 2, Sample devices 3 and amount water installations 7, wherein described
Water storage device 2 can be connect by conduit 10 to pressurize to the liquid in the water storage device 2 with pressue device 1, water storage
Device 2 is used to hold the infiltrative liquid for the soil sample to be measured that test is positioned in Sample devices, one end of the water storage device 2
It is provided with the first water outlet 4, multiple first water outlets 4 can be drawn in one end of water storage device 2, with setting in the multiple examination
The water inlet 8 of one end of sampling device 3 connects, to flow into Sample devices 3 liquid in the water storage device 2 to being placed on
Soil sample to be measured in Sample devices 3 carries out testing permeability, and the other end of the Sample devices 3 is provided with the second water outlet 9, from
The fluid that second water outlet 9 is discharged can be received by the amount water installations 7, to measure the fluid being discharged from the second water outlet 9
Volume.Buret can be used as amount water installations 7, can also use other equipment such as graduated cylinder, measuring cup as amount water
Device 7, the conduit 10 can be the tubing of hose or other materials, it will be appreciated by those skilled in the art that amount water installations 7 can be with
It is connect by conduit 10 with the second water outlet of Sample devices 3, conduit 10 can not also be used, such as Sample devices 3 can be made
The discharge of the second water outlet fluid drippage input water installations 7 in, these deformations are within the protection scope of the utility model.
It is carved with scale in amount water installations 7, can accurately measure the stream being discharged from Sample devices 3 under certain pressure effect in the stipulated time
The volume of body.Between the pressue device 1 and water storage device 2, between water storage device 2 and Sample devices 3, Sample devices 3 with amount
Can be provided with controlled valve 5 between water installations 7, to be connected to and turn off it is above-mentioned between interface channel.In water storage device 2
It is additionally provided with pressure tester in each connecting conduit between Sample devices 3, to measure the first water outlet from water storage device 2
The pressure for the fluids that mouth 4 is flowed through to the water inlet 8 of Sample devices 3.It is also set between the pressue device 1 and the water storage device 2
It is equipped with pressure control valve 14, to control the pressure size that pressue device 1 applies the liquid in water storage device 2.
In a preferred embodiment of the utility model, as shown in Figure 1, soil mass permeability testing device 100 further includes
Shunting disk 6 and the multiple third water outlets 12 being arranged on shunting disk 6 are provided with the first water outlet in 2 one end of water storage device
Mouthfuls 4 can be connect with one end of shunting disk 6 by conduit 10, multiple third water outlets 12 on shunting disk 6 and Sample devices 3 into
The mouth of a river can be connected by conduit 10.Pressure tester 11 is additionally provided between the shunting disk 6 and Sample devices 3, to measure
The pressure of fluid from each conduit that the water inlet 8 of multiple third water outlets 12 to multiple Sample devices 3 on shunting disk 6 flows through
By force.It is both provided with controlled valve 5 between the water storage device 2 and shunting disk 6, between shunting disk 6 and Sample devices 3, to even
It is logical and turn off it is above-mentioned between interface channel.
As shown in Fig. 2, be the schematic diagram of the water storage device 2 of one embodiment according to the present utility model, the water storage dress
2 are set for holding the liquid used in test soil body permeability comprising platen 21, storage on water storage device ontology 20, water storage device
Water installations pressing disc 22, be arranged one end of water storage device 2 air inlet 15 and the first water outlet 4 in the other end is set.Its
Middle air inlet 15 is used for and pressue device 1 connects, and the first water outlet 4 is used for and shunting disk 6 connects.Water storage device ontology 20 and storage
Platen 21 and water storage device pressing disc 22 are tightly connected in water installations, for example, contact position can by smear adhesive,
Achieve the effect that water storage device 2 seals using connecting screw 23 and/or rubber seal 24, those skilled in the art should manage
Solution, water storage device 2 can also be a sealing container that air inlet 15 and the first water outlet 4 are respectively arranged at both ends, can be with
By air inlet 15 into water storage device adding liquid, other modes can also be used, such as be additionally provided on water storage device 2
Realize that the purpose of this utility model, these deformations are within the protection scope of the utility model in filler etc..
As shown in figure 3, be the schematic diagram of the Sample devices 3 of one embodiment according to the present utility model, the sample dress
3 are set for placing soil sample to be measured comprising platen 31 on Sample devices ontology 30, Sample devices, is set Sample devices pressing disc 32
Set one end of Sample devices 3 water inlet 8 and the second water outlet 9 in the other end of Sample devices 3 is set.It is wherein described into
The mouth of a river 8 be used for and shunting disk 6 on third water outlet 12 connect, the second water outlet 9 for the fluid in drain sample device 3 into
Enter in amount water installations 7.Platen 31 and Sample devices pressing disc 32 are tightly connected on Sample devices ontology 30 and Sample devices, example
As contact position can be by smearing adhesive, reaching the sealing of Sample devices 3 using connecting screw and/or rubber seal
Effect.When using the Sample devices 3 of the utility model, water inlet 8 and the third water outlet on shunting disk 6 of Sample devices 3
12 connections can connect to prevent from testing soil sample blocking water inlet 8 in process of osmosis in Sample devices pressing disc 32 and test soil sample
It touches position and places permeable stone 13, platen 31 also places permeable stone 13 with test soil sample contact position on Sample devices, and can profit
Sample devices 3 are fixed on the iron tripod customized in advance with iron clamp etc., keep Sample devices 3 horizontal positioned, Sample devices 3
Water inlet 8 in lower part, the second water outlet 9 is flowed into top, the liquid from shunting disk 6 from the water inlet 8 of Sample devices 3,
It is discharged from superposed second water outlet 9 after the osmosis of soil sample, is received by amount water installations 7 after tested upwards.
It is used to test soil sample to be measured the invention also discloses the soil mass permeability testing device of the utility model is used
Infiltrative step.
(1) water storage device is disposed, by water storage device pressing disc and water storage device body lower part edge coated with adhesive and is put
Rubber seal is set, then the screw combination that water storage device pressing disc is customized with water storage device body bottom portion is got up, to storage
The lower part of water installations is sealed;The water storage device being sealed is placed on the pedestal of customization.It is set on water storage device pressing disc
Set multiple water outlets (can also be realized by the way that shunting disk is arranged), be separately connected a controlled valve and with flow hose phase
Even.
(2) controlled valve of multiple water outlets on water storage device pressing disc is all closed, from water storage device top to storage
Test infiltration liquid is poured into water installations, is reached the water level that design needs and is stopped (monitoring water storage device during adding water
Whether leakage is needed to check leakage position and be remedied lower port if leakage).By platen on water storage device and storage
Water installations ontology upper end coated with adhesive, and rubber seal is placed, then by platen on water storage device and water storage device ontology
The screw combination of top customization is got up, and is sealed to water storage device top.On water storage device on platen there are one with pressurization
The air inlet of device connection, the air inlet are equipped with controlled valve and are connected with steam hose, and air-flow is connected by the hose other end
Connect pressue device.
(3) outlet of pressue device has pressure control valve to be used for controlling the switch of gas-pressurized air-flow and pass through pressurization
To the pressure size of liquid in water storage device, the both ends of gas-pressurized flow hose are separately connected pressurization for the influx control of gas
The air inlet of device gas outlet and platen on water storage device.
(4) after pressue device and water storage device connect, check junction whether gas leakage, by water storage device pressing disc
Controlled valve is all closed, and top air inlet valve is opened, and the controlled valve of pressue device is opened, and adds certain pressure, checks storage
Whether water installations top and the bottom have leakage gas leak phenomenon at pressue device switch and everywhere in gas-pressurized connecting tube.If there is
The imagination of leakage gas leakage checks the position for determining leakage and is remedied and (reconnected, smear the measures such as sealed binder), directly
To no leakage problem, the experiment of next step is then proceeded by.
(5) Sample devices pressing disc is there are one water inlet, the water outlet phase that water inlet passes through flow hose and water storage device
Even.Sample devices pressing disc places permeable stone with sample contacts position, prevents soil sample in process of osmosis from blocking water inlet.Sample fills
It sets pressing disc and Sample devices body lower part and smears adhesive, and place rubber seal, with screw by Sample devices ontology bottom
Portion seals.Sample devices are fixed on using iron clamp customize in advance be used for fix on the iron tripod of Sample devices, keep examination
Sampling device is horizontal positioned.Soil sample to be tested is put into Sample devices (according to the size of installation Sample devices and test soil sample
Density be put into the soil sample of certain mass).Place permeable stone between platen and soil sample on Sample devices, platen on Sample devices
Adhesive is smeared with Sample devices ontology upper end, rubber seal is placed, is sealed Sample devices body upper part with screw.
(6) there are one water outlets, water outlet to be used for controlling water outlet there are one controlled valve on platen on Sample devices
Whether fluid outflow is had.Water outlet is connect by flow hose with amount water installations.
(7) effect of amount water installations is for accepting the fluid flowed out from Sample devices, and measuring above water installations has scale, can
Directly to read the volume of the fluid of influx water installations, to calculation permeability coefficient.
(8) after Sample devices are connected with water storage device and amount water installations respectively, the outlet valve of Sample devices is opened
Close, the gas valve of pressue device switched and is opened, the water outlet controlled valve of water storage device is opened, to soil sample to be measured into
Row hold-up, fluid flowed into from water storage device monitor during Sample devices Sample devices upper lower burrs whether leakage,
Judge whether good seal is checked and remedied if there is the phenomenon of leakage upper lower burrs, until determining good seal, according to this practicality
A novel preferred embodiment, check pipeline whether leakage gas leakage during, can many places be arranged pressure tester,
By detecting pressure condition to determine whether there is leakage gas leak phenomenon.If hold-up process can use very much logical gas-pressurized slowly
Applying certain pressure to fluid makes soil sample reach saturation.When the water level in water storage device no longer changes, soil sample reaches
Saturation state, at this point, opening Sample devices water outlet valve door switch, liquid is in osmosis and certain gas-pressurized pressure
Effect is lower to be flowed out from the bottom percolation of Sample devices from top, in influx water installations.
(9) by controlling the pressure of process of osmosis, time, the factors such as liquid outlet quantity, Binding experiment device parameter soil for example to be measured
The size of sample, size water level of water storage device etc. can be waited in conjunction with the calculation formula of reckoning and the derivation of Darcy's law
Survey the infiltration coefficient of soil sample.
Wherein:
A=amount water installations sectional areas;
T=time of measuring;
h0The elemental height of liquid in=amount water installations;
htWhen=time t, the height of liquid in water installations is measured;
L=soil sample height to be measured;
A=soil sample sectional areas to be measured;
The pressure of P=Sample devices water inlets.
This is practical novel to provide a kind of device for testing permeability coefficient of dilatancy cohesive soil, it is contemplated that the soil of the type
Matter permeability is low, the big feature of dilatancy, and design design is optimized to testing permeability device.Due to as experimental subjects
Soil property belong to hypotonicity soil, using gas-pressurized to process of osmosis carry out pressurized control, time of penetration can be shortened, improve
The precision of testing permeability.Reduce influence of the surrounding environment change (such as temperature) to experimental result.
The permeability apparatus can connect multiple samples simultaneously, and different parallel sample contrast tests can be arranged simultaneously, also
Its osmotic effect can be studied to the sample while test comparison of different parameters.Provide a kind of precision higher, stability it is more preferable,
Operate more convenient and more efficient soil mass permeability testing device.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of soil mass permeability testing device, which is characterized in that including:
Pressue device;
Water storage device, the water storage device can be connect with the pressue device to add to the water storage device internal liquid
Pressure, described water storage device one end is provided with the first water outlet;
Multiple Sample devices, one end of the Sample devices are provided with water inlet, and the other end is provided with the second water outlet, it is described into
The mouth of a river is connect with first water outlet;With
Multiple amount water installations, the multiple amount water installations can receive the stream being discharged from the second water outlet of the multiple Sample devices
Body.
2. soil mass permeability testing device according to claim 1, which is characterized in that the soil mass permeability testing device
Further include shunting disk, described shunting disk one end is connect with the first water outlet of the water storage device, and the other end is provided with multiple
Three water outlets, the multiple third water outlet are connect with the water inlet of the multiple Sample devices respectively.
3. soil mass permeability testing device according to claim 1, which is characterized in that the water storage device includes water storage dress
Set ontology, platen and water storage device pressing disc on water storage device, the water storage device ontology and platen on the water storage device and
Water storage device pressing disc is tightly connected.
4. soil mass permeability testing device according to claim 1, which is characterized in that the Sample devices include sample dress
Set ontology, platen and Sample devices pressing disc on Sample devices, the Sample devices ontology and platen on the Sample devices and
Sample devices pressing disc is tightly connected.
5. soil mass permeability testing device according to claim 1, which is characterized in that the water inlet of the Sample devices
Mouth is arranged in the lower section of second water outlet.
6. soil mass permeability testing device according to claim 2, which is characterized in that the water storage device and the pressurization
Device is attached by controlled valve and conduit and/or the water storage device by controlled valve and is led with the shunting disk
Pipe is attached and/or the shunting disk is attached with the Sample devices by controlled valve and conduit and/or described
It is provided with controlled valve on second water outlet of Sample devices.
7. soil mass permeability testing device according to claim 1, which is characterized in that the amount water installations include titration
Pipe, graduated cylinder or measuring cup.
8. soil mass permeability testing device according to claim 2, which is characterized in that the third water outlet and the examination
It is additionally provided with pressure tester between the water inlet of sampling device.
9. soil mass permeability testing device according to claim 1, which is characterized in that the pressue device includes nitrogen
Tank.
10. soil mass permeability testing device according to claim 9, which is characterized in that the pressue device and the storage
Pressure control valve is additionally provided between water installations.
Priority Applications (1)
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CN201820122526.0U CN207832634U (en) | 2018-01-25 | 2018-01-25 | Soil mass permeability testing device |
Applications Claiming Priority (1)
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CN201820122526.0U CN207832634U (en) | 2018-01-25 | 2018-01-25 | Soil mass permeability testing device |
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Publication Number | Publication Date |
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CN207832634U true CN207832634U (en) | 2018-09-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114942213A (en) * | 2022-07-25 | 2022-08-26 | 东北大学 | Asphalt concrete permeability coefficient testing arrangement |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114942213A (en) * | 2022-07-25 | 2022-08-26 | 东北大学 | Asphalt concrete permeability coefficient testing arrangement |
CN114942213B (en) * | 2022-07-25 | 2022-10-25 | 东北大学 | Asphalt concrete permeability coefficient testing device |
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