CN108318401A - One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress - Google Patents
One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress Download PDFInfo
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- CN108318401A CN108318401A CN201810292801.8A CN201810292801A CN108318401A CN 108318401 A CN108318401 A CN 108318401A CN 201810292801 A CN201810292801 A CN 201810292801A CN 108318401 A CN108318401 A CN 108318401A
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- 230000035699 permeability Effects 0.000 title claims abstract description 60
- 239000002689 soil Substances 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 82
- 238000001764 infiltration Methods 0.000 claims description 44
- 230000008595 infiltration Effects 0.000 claims description 44
- 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 description 37
- 238000004891 communication Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 239000012466 permeate Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 abstract description 29
- 230000003204 osmotic effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000035515 penetration Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229940099259 vaseline Drugs 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010998 test method Methods 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- 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)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses one kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress, including compression system, permeability apparatus and data collecting system；Wherein compression system is for pressurizeing to permeability apparatus；Data collecting system is used to acquire data information when permeability apparatus carries out permeability test.The present invention can directly measure the creep of soil sample one-dimensional consolidation and compression property, can also measure simultaneously soil sample under the conditions of different consolidation pressures or different distortion it is vertical to horizontal osmotic coefficient, obtain the anisotropic properties of soil body osmotic coefficient caused by initial and One dimensional deformation；The present apparatus can apply corresponding consolidation pressure according to the depth difference that fetches earth, it can be good at simulating on-site actual situations, vertical load is applied using aerating pressure device, consolidation pressure obtains the consolidation pressure that the required gas pressure Control experiment process soil sample applied should be received by the linear relationship of application gas pressure and soil sample consolidation pressure according to test objective.
Description
Technical field
The present invention relates to one kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress, belongs to ground work
Journey experimental study field.
Background technology
Reflect an important parameter of the soil body mechanical characteristic when infiltration coefficient, it is oozed with the consolidation deformation of the soil body, underground water
The problems such as stream, is closely related.With Chinese Urbanization high speed development, underground engineering in building in high gear, along with work
Journey hidden danger is also more and more, and many of which engineering problem is all closely related with the seepage flow of water in soil, such as deep pit digging underground water
Processing, intercepting water and draining need to be designed according to soil body penetration characteristic；When building earth and rockfill dam, side slope, need to consider filler
Sedimentation and permeability.Since the deeper stratum in underground is by upper layer gravity laod function influence, in Different Strata, the native degree of consolidation is not
Together, permeability native in Different Strata also differs.Meanwhile the soil body upper layer gravity laod effect under Penetration Signature show it is bright
Aobvious anisotropy, i.e., the permeance property that soil body all directions are shown are different.How the soil body is obtained by experiment consolidating
The infiltration coefficient of different angle under stress, and its Penetration Signature anisotropy and the correlation of engineering characteristic are furtherd investigate
With important significance of scientific research and realistic meaning.
Traditional laboratory test, which measures infiltration coefficient method, mainly constant head and variable head permeability test method, is based on darcy
Law calculation permeability coefficient.Constant head and variable head permeability test are completed under conditions of no axially loaded, only suitable
For the soil sample situation of earth's surface, soil body of deep layer is tested with it, the infiltration coefficient measured does not conform to the actual conditions.Then, perhaps
More scholars are directed to this particular problem, have carried out improving or having developed new permeameter, such as Chinese invention patent to conventional permeameter
（The patent No.：201511005165.9）A kind of disclosed consolidation permeates Collaborative experiment device, is transformed by traditional permeameter,
Axial compressive force is applied to sample using pressure-applying unit, makes the soil body that certain compressive deformation occur, and apply to sample permeation liquid
Higher head.This quasi-instrument be mainly used for studying the soil body under vertical uniform load q the soil body there is a situation where vertically to seepage flow,
It cannot achieve the research to horizontal direction Penetration Signature.Therefore development one kind is needed to have multifunctional combined measurement experimental rig, it can
To realize simulation to the specific degree of consolidation of the soil body, at the same can to next consolidation stage it is vertical to and horizontal osmotic coefficient
The experimental rig of measurement is applied in a large amount of underground engineering osmotic stability analyses at this stage.
Invention content
The present invention provides one kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress, existing to solve
There is the permeameter of technology to cannot be used for realizing that Penetration Signature is anisotropic under status under loading studies a question to the soil body.
The technical scheme is that：One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress,
Including compression system, permeability apparatus and data collecting system；Wherein compression system is for pressurizeing to permeability apparatus；Data are adopted
Collecting system is used to acquire data information when permeability apparatus carries out permeability test.
The compression system includes aerating pressure device 3 and liquid feeding pressure device 4；Wherein aerating pressure device 3 and permeability apparatus
Air inlet pipe 9 on cover board 19 connects, and liquid feeding pressure device 4 is connect with the feed pipe 10 on the pedestal 16 and sleeve 20 of permeability apparatus.
The permeability apparatus includes sample chamber 1 and gas compartment 2；Wherein sample chamber 1 and 2 surrounding of gas compartment are 20 side of sleeve
Wall, 1 bottom of sample chamber are pedestal 16, are equipped with groove to horizontal direction in 1 internal vertical of sample chamber, are placed on a direction groove saturating
Place cushion block 22 on water stone 21, other direction groove, the setting of gas compartment 2 above the sample chamber 1 among and separated by top plate 18,
2 top of gas compartment is cover board 19, air inlet pipe 9 and exhaust pipe 12 is arranged on cover board 19, gas compartment 2, which is internally provided with, prevents sample chamber
The rubber membrane 23 of 1 infiltration, 19 centre position of cover board setting shaft 25 passes perpendicularly through is connected to top after cover board 19 by connecting plate 24
Plate 18；Vertically it is arranged among pedestal 16 to infiltration water inlet 11, if pedestal 16 is provided with arterial highway communication groove 17, vertically to confession
Water pipe 10 is accessed to reach from 16 side of pedestal and be connected among pedestal 16 vertically to infiltration water inlet 11, and horizontal direction permeates water inlet 11
It is arranged at the top of 20 one side wall of sleeve, horizontal direction feed pipe 10 accesses to horizontal direction at the top of 20 one side wall of sleeve and permeates water inlet
11, infiltration water enters sample chamber 1 through horizontal direction infiltration water inlet 11；Vertically it is arranged among top plate 18 to infiltration water outlet 13,
Through with outside vertical 14 direct-axis bar of drainpipe, 25 internal stretch to device being connect to infiltration water outlet 13, horizontal direction permeates water outlet
13 settings are extended in 20 another sidewall bottom of sleeve, the drainpipe 14 through being connect with horizontal direction infiltration water outlet 13 outside device；
Air inlet pipe 9, feed pipe 10, exhaust pipe 12, drainpipe 14 are equipped with valve 8.
20 bottom of the sleeve is fastened on by bolt 29 on pedestal 16, and 20 top of sleeve is connected solid by bolt 29
It is scheduled on cover board 19, pedestal 16 and one week sleeve 20, cover board 19 and ring at 20 sealed connection of sleeve setting rubber ring 28.
The shaft 25 is to ensure that tightness sealing element 26 is attached with 19 junction of cover board.
The data collecting system includes dial gauge 30, air pressure force snesor 31, infiltration water pressure sensor 32, communication line
34；Wherein vertically be arranged among the pedestal 16 and top plate 18 of permeability apparatus to infiltration water pressure sensor 32, communication line 34 from
The access of 16 side of pedestal reaches the 25 inside access of shaft among pedestal 16 and from permeability apparatus and reaches among top plate 18, communication line
34 one end connect water pressure sensor 32, and the other end connects computer；Horizontal direction infiltration water pressure sensor 32 is arranged in sleeve
At water inlet 11 at the top of 20 one side walls and at the water outlet 13 of 20 another sidewall bottom of sleeve；Dial gauge 30 is arranged in shaft 25
On, shaft 25 is closely connect with top plate 18, vertically movable with top plate 18 under consolidation stress；The setting of air pressure force snesor 31 is being oozed
Saturating 19 bottom of device cover plate, is extended to outside device by communication line 34 data during experiment being transferred to computer.
The dial gauge 30 is fixed on by fastener 27 on shaft 25, and measurement head is connect with positioned at shaft 25 with cover board 19
Place is to ensure that the sealing element 26 of tightness is contacted.
The beneficial effects of the invention are as follows：
1）The measurement soil body provided by the invention anisotropy permeability coefficient test device compatibility under the conditions of vertical load-bearing is one-dimensional solid
The functions such as knot, infiltration and osmotic pressure, can directly measure the creep of soil sample one-dimensional consolidation and compression property, while can also measure soil sample
Under the conditions of different consolidation pressures or different distortion it is vertical to horizontal osmotic coefficient, obtain initially causing with One dimensional deformation
Soil body osmotic coefficient anisotropic properties；
2）The present apparatus can apply corresponding consolidation pressure according to the depth difference that fetches earth, and can be good at simulating on-site actual situations,
Using aerating pressure device apply vertical load, consolidation pressure by apply gas pressure and soil sample consolidation pressure linear relationship,
The consolidation pressure that the required gas pressure Control experiment process soil sample applied should be received is obtained according to test objective；
3）Air pressure force snesor and water pressure sensor are connected to computer by communication line in data collecting system, utilize its electricity
Sub-figure and automatic technology acquire and handle data, high precision and efficient measure soil sample infiltration coefficient.
Description of the drawings
Fig. 1 be the present invention consolidation stress under vertically to the structural schematic diagram of device for testing permeability coefficient；
Fig. 2 is the structural schematic diagram of the compression system of the present invention；
Fig. 3 be in Fig. 1 A-A to schematic cross-sectional view；
Fig. 4 is the vertical structural schematic diagram to infiltration water inlet of the present invention；
Fig. 5 is the vertical structural schematic diagram to infiltration water outlet of invention；
In figure respectively marked as：1- sample chambers；2- gas compartments；3- aerating pressure devices；4- liquid feeding pressure devices；5- airintake directions；6- into
Water direction；7- is discharged direction；8- valves；9- air inlet pipe；10- feed pipes；11- water inlets；12- exhaust pipes；13- water outlets；14-
Drainpipe；15- flows permeate direction；16- pedestals；17- communication grooves；18- top plates；19- cover boards；20- sleeves；21- permeable stones；
22- cushion blocks；23- rubber patterns；24- connecting plates；25- shafts；26- sealing elements；27- fasteners；28- rubber rings；29- bolts；30-
Dial gauge；31- air pressure force snesors；32- water pressure sensors；33- Inlet and outlet water holes；34- communication lines.
Specific implementation mode
With reference to the accompanying drawings and examples, the invention will be further described, but present disclosure be not limited to it is described
Range.
Embodiment 1：As Figure 1-Figure 5, a kind of to be suitable for anisotropy permeability coefficient test dress under soil solidifying stress
It sets, including compression system, permeability apparatus and data collecting system；Wherein compression system is for pressurizeing to permeability apparatus；Number
It is used to acquire data information when permeability apparatus carries out permeability test according to acquisition system.
Include aerating pressure device 3 and liquid feeding pressure device 4 it is possible to further which the compression system is arranged；It is wherein with air pressure capable of being increased
Device 3 is connect with the air inlet pipe 9 on the cover board 19 of permeability apparatus, the pedestal 16 and sleeve 20 of liquid feeding pressure device 4 and permeability apparatus
On feed pipe 10 connect.
Include sample chamber 1 and gas compartment 2 it is possible to further which the permeability apparatus is arranged；Wherein sample chamber 1 and gas compartment
2 surroundings be 20 side wall of sleeve, 1 bottom of sample chamber be pedestal 16,1 internal vertical of sample chamber to horizontal direction be equipped with groove, one
Place permeable stone 21 on the groove of direction, place cushion block 22 on other direction groove, the setting of gas compartment 2 above the sample chamber 1 among
And separated by top plate 18, the top of gas compartment 2 is cover board 19, setting air inlet pipe 9 and exhaust pipe 12 on cover board 19, in gas compartment 2
Portion is provided with the rubber membrane 23 for preventing sample chamber 1 from seeping water, and 19 centre position of cover board setting shaft 25 leads to after passing perpendicularly through cover board 19
It crosses connecting plate 24 and is connected to top plate 18；Vertically it is arranged among pedestal 16 to infiltration water inlet 11, if pedestal 16 is provided with arterial highway
Communication groove 17 vertically accesses to feed pipe 10 from 16 side of pedestal and reaches 16 centre connection of pedestal vertically to infiltration water inlet
11, horizontal direction is permeated water inlet 11 and is arranged at the top of 20 one side wall of sleeve, and horizontal direction feed pipe 10 is at the top of 20 one side wall of sleeve
Horizontal direction infiltration water inlet 11 is accessed to, infiltration water enters sample chamber 1 through horizontal direction infiltration water inlet 11；Vertically it is discharged to infiltration
Mouth 13 is arranged among top plate 18, through extremely being filled with vertical 14 direct-axis bar of drainpipe, 25 internal stretch being connect to infiltration water outlet 13
Outside setting, horizontal direction permeates the setting of water outlet 13 in 20 another sidewall bottom of sleeve, through what is connect with horizontal direction infiltration water outlet 13
Drainpipe 14 extends to outside device；Air inlet pipe 9, feed pipe 10, exhaust pipe 12, drainpipe 14 are equipped with valve 8.
It is fastened on pedestal 16 by bolt 29 it is possible to further which 20 bottom of the sleeve is arranged, sleeve 20 pushes up
Portion is fastened on by bolt 29 on cover board 19, ring one week at pedestal 16 and sleeve 20, cover board 19 and 20 sealed connection of sleeve
Rubber ring 28 is set.
It is to ensure that tightness is connected with sealing element 26 it is possible to further which the shaft 25 and 19 junction of cover board is arranged
It connects.
Include dial gauge 30, air pressure force snesor 31, infiltration hydraulic pressure it is possible to further which the data collecting system is arranged
Force snesor 32, communication line 34；Pedestal 16 and top plate in permeability apparatus is wherein vertically set to infiltration water pressure sensor 32
Among 18, communication line 34 accesses the 25 inside access of shaft reached among pedestal 16 and from permeability apparatus from 16 side of pedestal and reaches
Among top plate 18,34 one end of communication line connects water pressure sensor 32, and the other end connects computer；Horizontal direction seepage water pressure passes
Sensor 32 is arranged at the water inlet 11 at the top of 20 one side wall of sleeve and at the water outlet 13 of 20 another sidewall bottom of sleeve；Percentage
Table 30 is arranged on shaft 25, and shaft 25 is closely connect with top plate 18, vertically movable with top plate 18 under consolidation stress；Atmospheric pressure
Sensor 31 is arranged in 19 bottom of permeability apparatus cover plate, is extended to the data during experiment outside device by communication line 34
It is transferred to computer.
Be fixed on shaft 25 by fastener 27 it is possible to further which the dial gauge 30 is arranged, measurement head be located at
Shaft 25 is to ensure that the sealing element 26 of tightness is contacted with 19 junction of cover board.
The present invention operation principle be：
The purpose of compression system is that the head of consolidation pressure and control permeation liquid needed for experiment is provided to sample；The aerating
Pressure device 3 makes top plate 18 that downward axial movement occur by increasing by 2 internal pressure of gas compartment, and 1 inside sample of sample chamber is pushed up
Compressive deformation occurs for 18 downward stress of plate；The aerating pressure device 3 by increase gas amplitude Control Assay load mode, can
It is divided into hierarchical loading according to test objective and loads respectively；The liquid feeding pressure device 4 by increase permeation liquid pressure to
Control head.
Osmotic device system is the core of entire experimental rig, its purpose is that sample is prepared, is saturated and consolidates, it can be direct
The creep of soil sample one-dimensional consolidation and compression property are measured, while can also measure head and process at water inlet 11 and water outlet 13
The water of sample, according to Darcy's law calculation permeability coefficient.
The purpose of data acquisition processing system is to make entire process of osmosis that can acquire and handle entirely without moment record
The data of specimen and as a result, high precision and the efficient infiltration coefficient of the test soil body；It is described vertically to seepage water pressure
Sensor 32 is arranged among pedestal 16 and top plate 18, and communication line 34 reaches pedestal from 16 side of pedestal and 25 inside access of shaft
16 among top plate 18, and 34 one end of communication line connects water pressure sensor 32, and the other end connects computer；The horizontal direction infiltration
Water pressure sensor 32 is arranged at the water inlet 11 of 20 top side wall of sleeve and the water outlet of symmetrical other end sleeve lateral wall bottom
At mouth 13；The dial gauge 30 is arranged on shaft 25, and shaft 25 is closely connect with top plate 18, with top plate 18 under consolidation stress
Vertically movable, shaft 25 is to ensure that tightness sealing element 26 is attached with 19 junction of cover board, and dial gauge 30 passes through fastening
Part 27 is fixed on shaft 25, and measurement head is contacted with sealing element 26；The air pressure force snesor 31 is arranged in gas compartment 1
In inner cover plate 19, communication line 34 extends to outside device the data during experiment being transferred to computer.
It is tested using the present invention, prepares sample soil by certain requirement first, then selected according to test objective
It is prepared in sample chamber or is put into sample chamber 1 after being prepared outside sample chamber；It is measured and is permeated according to test objective before filling sample
When coefficient, if vertical permeability test is carried out, in lower notches（That is horizontal direction）Upper placement permeable stone 21, left and right（I.e. vertically to）Position
It sets place's groove and places fluid-tight cushion block 22, smearing vaseline at cushion block 22 ensures tightness, closes horizontal direction inflow and outflow
Valve 8；If horizontal permeation experiment is carried out, in left and right groove（I.e. vertically to）Place permeable stone 21, lower notches in place（It is i.e. horizontal
To）Upper to place fluid-tight cushion block 22, ring pads block 22 smears vaseline, closes vertically to inflow and outflow valve 8.
After the completion of filling sample, gas pressure intensity in gas compartment 2 is increased by equipment 3 with air pressure capable of being increased, top plate 18 is squeezed and moves downwards
Vertical pressure is applied to sample, if Penetration Signature when sample is without consolidation pressure in research sample chamber 1, right with equipment 3 with air pressure capable of being increased
Gas compartment 2 plus a little pressure make top plate 18 contact the soil body；If sample is under certain consolidation pressure in research sample chamber 1
Compressive deformation and Penetration Signature then apply corresponding vertical pressure with pressurized equipment 3.
When progress consolidation test, the consolidation pressure of application passes through the linear relationship for applying gas pressure and soil sample consolidation pressure
Analysis is calculated and is obtained indirectly, and the decrement that one-dimensional consolidation measures the soil body by dial gauge 30 in the process occurs for the soil body, opens simultaneously
The inlet and outlet valve 8 of permeability apparatus drains the water oozed out when soil body compression, is closed after stabilization to be compressed corresponding
Valve 8 and connection corresponding pipeline carry out permeability test.
When carrying out permeability test, add hydraulic test 4 by the pressure of increase liquid to control the head of permeation liquid, by
Feed pipe 10 provides a stable water pressure, and water pressure can be measured by water pressure sensor 32 at Inlet and outlet water；Water is permeated by supplying
Water pipe 10 injects sample chamber 1 through the Inlet and outlet water hole 33 on water pressure sensor, vertically to permeation liquid when infiltration through pedestal 16
The osmotic in sample chamber 1 of communication groove 17 is uniform, and permeation liquid is gradually filled with whole under the effect of gravity when horizontal direction is permeated
A horizontal direction permeable face；Permeation liquid has certain head and horizontal or vertical flowing occurs in soil body sample, passes through sample
Seepage discharge can be confirmed by feed pipe 10 provides within the regular hour water and water that drainpipe 14 flows out；Experiment knot
Permeability apparatus is cleared up after beam.
In sample at water inlet 11 and water outlet 13 head of two cross-sections of river it is known that its vertical range and the cross-section of river
Area it is known that flow it is known that the corresponding infiltration coefficient of soil sample can be found out.
The specific implementation mode of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (7)
1. one kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress, it is characterised in that：Including compression train
System, permeability apparatus and data collecting system；Wherein compression system is for pressurizeing to permeability apparatus；Data collecting system is used for
Acquire data information when permeability apparatus carries out permeability test.
2. according to claim 1 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The compression system includes aerating pressure device（3）With liquid feeding pressure device（4）；Wherein aerating pressure device（3）With permeability apparatus
Cover board（19）On air inlet pipe（9）Connection, liquid feeding pressure device（4）With the pedestal of permeability apparatus（16）And sleeve（20）On confession
Water pipe（10）Connection.
3. according to claim 1 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The permeability apparatus includes sample chamber（1）And gas compartment（2）；Wherein sample chamber（1）And gas compartment（2）Surrounding is sleeve
（20）Side wall, sample chamber（1）Bottom is pedestal（16）, in sample chamber（1）Internal vertical is equipped with groove, a direction to horizontal direction
Permeable stone is placed on groove（21）, place cushion block on other direction groove（22）, gas compartment（2）It is arranged in sample chamber（1）Top
Centre simultaneously passes through top plate（18）It separates, gas compartment（2）Top is cover board（19）, cover board（19）Upper setting air inlet pipe（9）And exhaust
Pipe（12）, gas compartment（2）Being internally provided with prevents sample chamber（1）The rubber membrane of infiltration（23）, cover board（19）Centre position is arranged
Shaft（25）Pass perpendicularly through cover board（19）After pass through connecting plate（24）It is connected to top plate（18）；Vertically to infiltration water inlet（11）If
It sets in pedestal（16）Centre, pedestal（16）If being provided with arterial highway communication groove（17）, vertically to feed pipe（10）From pedestal（16）
Side access reaches pedestal（16）Centre connection is vertically to infiltration water inlet（11）, horizontal direction infiltration water inlet（11）Setting is covering
Cylinder（20）At the top of one side wall, horizontal direction feed pipe（10）From sleeve（20）Horizontal direction infiltration water inlet is accessed at the top of one side wall
（11）, infiltration water is through horizontal direction infiltration water inlet（11）Into sample chamber（1）；Vertically to infiltration water outlet（13）It is arranged in top plate
（18）Centre, through with it is vertical to infiltration water outlet（13）The drainpipe of connection（14）Direct-axis bar（25）Outside internal stretch to device,
Horizontal direction permeates water outlet（13）It is arranged in sleeve（20）Another sidewall bottom, through permeating water outlet with horizontal direction（13）Connection
Drainpipe（14）It extends to outside device；Air inlet pipe（9）, feed pipe（10）, exhaust pipe（12）, drainpipe（14）It is equipped with valve
（8）.
4. according to claim 3 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The sleeve（20）Bottom passes through bolt（29）It is fastened on pedestal（16）On, sleeve（20）Top passes through bolt
（29）It is fastened on cover board（19）On, pedestal（16）With sleeve（20）, cover board（19）With sleeve（20）Ring one at sealed connection
Week setting rubber ring（28）.
5. according to claim 3 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The shaft（25）With cover board（19）Junction is to ensure tightness sealing element（26）It is attached.
6. according to claim 1 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The data collecting system includes dial gauge（30）, air pressure force snesor（31）, infiltration water pressure sensor（32）, it is logical
Believe line（34）；Wherein vertically to infiltration water pressure sensor（32）Pedestal in permeability apparatus is set（16）And top plate（18）In
Between, communication line（34）From pedestal（16）Side access reaches pedestal（16）Shaft intermediate and from permeability apparatus（25）Inside access
Reach top plate（18）Centre, communication line（34）One end connects water pressure sensor（32）, other end connection computer；Horizontal direction is oozed
Permeable pressure sensor（32）It is arranged in sleeve（20）Water inlet at the top of one side wall（11）Place and sleeve（20）Another side wall bottom
The water outlet in portion（13）Place；Dial gauge（30）It is arranged in shaft（25）On, shaft（25）With top plate（18）Close connection, is consolidating
With top plate under stress（18）It is vertically movable；Air pressure force snesor（31）It is arranged in permeability apparatus cover plate（19）Bottom, by logical
Believe line（34）It extends to outside device and the data during experiment is transferred to computer.
7. according to claim 6 be suitable for anisotropy permeability coefficient test device under soil solidifying stress, feature
It is：The dial gauge（30）Pass through fastener（27）It is fixed on shaft（25）On, measurement head be located at shaft（25）With cover board
（19）Junction is the sealing element for ensureing tightness（26）It is contacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292801.8A CN108318401A (en) | 2018-04-04 | 2018-04-04 | One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292801.8A CN108318401A (en) | 2018-04-04 | 2018-04-04 | One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress |
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| Publication Number | Publication Date |
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| CN108318401A true CN108318401A (en) | 2018-07-24 |
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|---|---|---|---|
| CN201810292801.8A Pending CN108318401A (en) | 2018-04-04 | 2018-04-04 | One kind being suitable for anisotropy permeability coefficient test device under soil solidifying stress |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044796A (en) * | 2019-05-15 | 2019-07-23 | 河海大学 | Geotechnical fibre filter performance and multifunctional tester |
| CN110487988A (en) * | 2019-08-16 | 2019-11-22 | 合肥工业大学 | A kind of air pressure-loading type one-dimensional consolidation infiltration joint test device |
| CN110687033A (en) * | 2019-11-13 | 2020-01-14 | 哈尔滨工业大学（深圳） | Penetration test device for researching internal erosion anisotropy of soil body under stress action |
| CN110847143A (en) * | 2019-12-19 | 2020-02-28 | 中南大学 | Device for measuring horizontal permeability coefficient under indoor simulation vacuum preloading state |
| CN111024590A (en) * | 2020-01-13 | 2020-04-17 | 昆明理工大学 | Can fix on-spot measurement bulk material penetration test device of soil body |
| CN111337414A (en) * | 2020-04-17 | 2020-06-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Intelligent graded loading and variable-seepage-diameter ultra-large horizontal penetration test system |
| CN112525797A (en) * | 2020-11-27 | 2021-03-19 | 中国电建集团成都勘测设计研究院有限公司 | Soil body horizontal permeability coefficient testing device |
| CN113155697A (en) * | 2021-03-30 | 2021-07-23 | 中国电建集团西北勘测设计研究院有限公司 | High-pressure-resistant permeameter device suitable for filling materials and use method |
| CN113740231A (en) * | 2021-09-08 | 2021-12-03 | 中交第三航务工程勘察设计院有限公司 | Loading type soil consolidation and two-dimensional penetration combined measuring device and method |
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| CN114112834A (en) * | 2021-11-03 | 2022-03-01 | 中国电建集团华东勘测设计研究院有限公司 | Multifunctional soil column consolidation and permeation model test system |
| CN115372229A (en) * | 2022-09-20 | 2022-11-22 | 山东路德新材料股份有限公司 | Water flow testing device that perpendicular infiltration side flows out |
| CN115405286A (en) * | 2022-08-16 | 2022-11-29 | 中国石油大学(华东) | Measuring device and measuring method for anisotropic reservoir stress sensitivity |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980842A (en) * | 2012-12-11 | 2013-03-20 | 重庆交通大学 | System and method for testing anisotropy permeability coefficient of layered coarse-grained soil body |
| CN103823039A (en) * | 2014-01-29 | 2014-05-28 | 王军 | Vacuum prepressing-overloading-dynamic compaction combined consolidometer |
| CN104749081A (en) * | 2015-03-03 | 2015-07-01 | 南京工业大学 | Device and method for testing water pressure transmission rule of low-permeability soil body |
| CN204789161U (en) * | 2015-06-17 | 2015-11-18 | 昆明理工大学 | A one -dimensional consolidation apparatus for testing soil body consolidation deformation and osmotic coefficient |
| CN105486840A (en) * | 2015-12-28 | 2016-04-13 | 中国科学院武汉岩土力学研究所 | Solidification and permeation combined experimental device |
| CN205157395U (en) * | 2015-11-30 | 2016-04-13 | 许琪 | Gaseous infiltration coefficient measurement appearance of unsaturated soil normal atmospheric pressure |
| CN106596379A (en) * | 2016-12-26 | 2017-04-26 | 立方通达实业（天津）有限公司 | Bidirectional consolidation permeameter |
| CN106596366A (en) * | 2016-11-03 | 2017-04-26 | 温州大学 | High water content soft clay consolidation osmosis test device |
-
2018
- 2018-04-04 CN CN201810292801.8A patent/CN108318401A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980842A (en) * | 2012-12-11 | 2013-03-20 | 重庆交通大学 | System and method for testing anisotropy permeability coefficient of layered coarse-grained soil body |
| CN103823039A (en) * | 2014-01-29 | 2014-05-28 | 王军 | Vacuum prepressing-overloading-dynamic compaction combined consolidometer |
| CN104749081A (en) * | 2015-03-03 | 2015-07-01 | 南京工业大学 | Device and method for testing water pressure transmission rule of low-permeability soil body |
| CN204789161U (en) * | 2015-06-17 | 2015-11-18 | 昆明理工大学 | A one -dimensional consolidation apparatus for testing soil body consolidation deformation and osmotic coefficient |
| CN205157395U (en) * | 2015-11-30 | 2016-04-13 | 许琪 | Gaseous infiltration coefficient measurement appearance of unsaturated soil normal atmospheric pressure |
| CN105486840A (en) * | 2015-12-28 | 2016-04-13 | 中国科学院武汉岩土力学研究所 | Solidification and permeation combined experimental device |
| CN106596366A (en) * | 2016-11-03 | 2017-04-26 | 温州大学 | High water content soft clay consolidation osmosis test device |
| CN106596379A (en) * | 2016-12-26 | 2017-04-26 | 立方通达实业（天津）有限公司 | Bidirectional consolidation permeameter |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044796A (en) * | 2019-05-15 | 2019-07-23 | 河海大学 | Geotechnical fibre filter performance and multifunctional tester |
| CN110487988A (en) * | 2019-08-16 | 2019-11-22 | 合肥工业大学 | A kind of air pressure-loading type one-dimensional consolidation infiltration joint test device |
| CN110687033A (en) * | 2019-11-13 | 2020-01-14 | 哈尔滨工业大学（深圳） | Penetration test device for researching internal erosion anisotropy of soil body under stress action |
| CN110847143A (en) * | 2019-12-19 | 2020-02-28 | 中南大学 | Device for measuring horizontal permeability coefficient under indoor simulation vacuum preloading state |
| CN111024590B (en) * | 2020-01-13 | 2024-04-26 | 昆明理工大学 | Site measurement discrete material penetration test device capable of fixing soil body |
| CN111024590A (en) * | 2020-01-13 | 2020-04-17 | 昆明理工大学 | Can fix on-spot measurement bulk material penetration test device of soil body |
| CN111337414A (en) * | 2020-04-17 | 2020-06-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Intelligent graded loading and variable-seepage-diameter ultra-large horizontal penetration test system |
| CN111337414B (en) * | 2020-04-17 | 2021-07-16 | 水利部交通运输部国家能源局南京水利科学研究院 | Intelligent graded loading and variable-seepage-diameter ultra-large horizontal penetration test system |
| CN112525797A (en) * | 2020-11-27 | 2021-03-19 | 中国电建集团成都勘测设计研究院有限公司 | Soil body horizontal permeability coefficient testing device |
| CN113155697A (en) * | 2021-03-30 | 2021-07-23 | 中国电建集团西北勘测设计研究院有限公司 | High-pressure-resistant permeameter device suitable for filling materials and use method |
| CN113740231A (en) * | 2021-09-08 | 2021-12-03 | 中交第三航务工程勘察设计院有限公司 | Loading type soil consolidation and two-dimensional penetration combined measuring device and method |
| CN113865988A (en) * | 2021-09-26 | 2021-12-31 | 浙江大学 | Soft soil thermal consolidation model test device and method |
| CN113790974A (en) * | 2021-10-12 | 2021-12-14 | 中国科学院武汉岩土力学研究所 | Soil body horizontal stress testing method and system based on flexible consolidation pressure chamber |
| CN114112834A (en) * | 2021-11-03 | 2022-03-01 | 中国电建集团华东勘测设计研究院有限公司 | Multifunctional soil column consolidation and permeation model test system |
| CN114112834B (en) * | 2021-11-03 | 2023-11-17 | 中国电建集团华东勘测设计研究院有限公司 | Multifunctional soil column consolidation penetration model test system |
| CN115405286A (en) * | 2022-08-16 | 2022-11-29 | 中国石油大学(华东) | Measuring device and measuring method for anisotropic reservoir stress sensitivity |
| CN115372229A (en) * | 2022-09-20 | 2022-11-22 | 山东路德新材料股份有限公司 | Water flow testing device that perpendicular infiltration side flows out |
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