CN206146962U - Carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule - Google Patents
Carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule Download PDFInfo
- Publication number
- CN206146962U CN206146962U CN201621094110.XU CN201621094110U CN206146962U CN 206146962 U CN206146962 U CN 206146962U CN 201621094110 U CN201621094110 U CN 201621094110U CN 206146962 U CN206146962 U CN 206146962U
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- CN
- China
- Prior art keywords
- quartz glass
- sample container
- glass sample
- magnetic force
- thixotropy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000011148 porous material Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 239000011780 sodium chloride Substances 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 14
- 239000010453 quartz Substances 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 5
- 230000005284 excitation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule, including quartz glass sample container, confined pressure applying mechanism, water pressure monitoring system, magnetic vibrator system, the confined pressure for the applying mechanism rubber membrane keep apart into two cavities, one of them cavity links to each other with quartz glass sample container, another cavity is connected with the basin, water pressure monitoring system includes two miniature pore pressure cell, and one of them miniature pore pressure cell places in quartz glass sample container's sample, and another miniature pore pressure cell places in the pipeline of connecting basin and cavity, the magnetic vibrator system includes rotary magnet strip, driven magnet strip and motor, and the rotary magnet strip is placed in quartz glass sample container, and the driven magnet strip is by motor drive rotating and place in the quartz glass sample container bottom surface outsidely. The utility model discloses the vibration of quartz glass container can be effectively reduced, the observation of shooing of testing the speed of the laser particle of carefully seeing the flow field between the granule is made things convenient for.
Description
Technical field
This utility model belongs to the thin magnetic force for seeing flow observation between geotechnical study field, more particularly to a kind of granule and shakes
Hydrodynamic generating meanss.
Background technology
Saturation loosening sand ground can occur liquefaction under seismic loading, macroscopically show as soil body mesopore hydraulic pressure
Power rises, while the effective contact stress of soil body solid phase is zero, at this moment soil mass property is similar to fluid and loses shearing strength.Ground
Shake liquefaction causes following harm：Such as inclined building, settlement of foundation, subway tunnel floating, road foundation sliding etc..At present for
During liquefaction, between granule, the thin research for seeing flow field is not enough, although can be considered as laser particle and test the speed photograph（PIV）The conceptions of technology
Intergranular flow field when surveying liquefaction, but because observation area is smaller, the control of the body vibration of liquefaction vessel is had during observation compared with
High request.
Utility model content
This utility model is in order to solve defect and deficiency present in above-mentioned prior art, there is provided a kind of by liquefaction
Rotating excitation field is produced outside container, drives the rotary magnetic iron bar in quartz glass sample container to produce liquefaction, so as to effectively reduce
The vibration of quartz glass sample container, is conducive to thin testing the speed the shaking for flow observation of carefully see between the granule taken pictures for seeing flow field between granule
Hydrodynamic generating meanss.
The technical solution of the utility model：The thin magnetic force thixotropy generating meanss for seeing flow observation, bag between a kind of granule
Quartz glass sample container, confined pressure applying mechanism, water pressure monitoring system, magnetic force vibrational system are included, the quartz glass sample holds
Quartz glass ball and saline sample are placed in device；The confined pressure applying mechanism rubber membrane is isolated into two chambers, one of them
Chamber is connected with quartz glass sample container, and another chamber is connected with tank and water pressure is passed to quartz by rubber membrane
Glass specimen container；The water pressure monitoring service system includes two miniature pore pressure gauges, one of them miniature pore water
Piezometer is placed in the sample of quartz glass sample container, the pore water pressure in the quartzy glass specimen container of test, another
Individual miniature pore pressure gauge is placed in the pipeline of connection water channel and chamber, and testing flume is transferred to the hydraulic pressure on rubber membrane
Power；Magnetic force vibrational system includes rotary magnetic iron bar, drive magnet bar and motor, and rotary magnetic iron bar is placed on quartz glass sample
In container, drive magnet bar is rotated and is placed on outside quartz glass sample container bottom surface, drive magnet bar by motor
The rotating excitation field of generation drives rotary magnetic iron bar, makes the sample in quartz glass sample container that thixotropy to occur.
Preferably, the quartz glass sample container includes that cylindrical tube, first be removably mounted at the top of cylindrical tube are justified
Shape lid and the second circular lid for being removably mounted at cylinder bottom of the tube, wherein there is two hollow cylinders in the first circular lid
Interface.
Preferably, two hollow cylinder interfaces are respectively the first cylinder interface and the second cylinder interface, first cylinder
Interface is connected with confined pressure applying mechanism, and the second cylinder interface is the electricity of the miniature pore pressure gauge in quartz container
The interface channel of line and data source collector.
Preferably, two chambers are respectively first chamber and second chamber, and the first chamber is held with quartz glass sample
Device is connected, and the second chamber is connected with tank and water pressure is passed to quartz glass sample container by rubber membrane.
Preferably, the cylindrical tube, the first circular lid and the second circular lid are made by quartz glass, the cylinder
The diameter of the external diameter 38mm of pipe, wall thickness 3mm, high 76mm, first circular lid and the second circular lid is 38mm, and first
The thickness of circular lid is 4mm, and the thickness of the second circular lid is 2mm.
Preferably, a diameter of 6mm of the rotary magnetic iron bar, a length of 10mm of rotary magnetic iron bar.
Preferably, the internal diameter of the first cylinder interface and the second cylinder interface is 1mm, and wall thickness is 1mm, a height of 20mm,
The minimum range of first cylinder interface and the second cylinder interface from the first circular lid edge is 3mm；Described quartz glass ball
Mean diameter be 1mm, the concentration of saline is 26%, the refractive index phase of quartz glass sample container, quartz glass ball and saline
Together.
Preferably, two miniature pore pressure gauges are respectively the first miniature pore pressure gauge and the second miniature pore water
Piezometer, the first miniature pore pressure gauge are placed at quartz glass sample container opening 30mm, the first miniature hole
Water pressure be also 30mm from the outer wall of quartz glass sample container with a distance from, the second miniature pore pressure gauge is placed on company
In the pipeline of water receiving tank and second chamber, and with the first miniature pore pressure gauge in same level.
Preferably, the confined pressure applying mechanism and quartz glass sample container and tank all use hose connection, the rubber
Film is placed on the middle of confined pressure applying mechanism.
Between a kind of granule, the test method of the thin magnetic force thixotropy generating meanss for seeing flow observation, comprises the steps：
Step 1：Quartz glass and saline sample are poured in quartz glass sample container；
Step 2：The first miniature pore pressure gauge and rotary magnetic iron bar are placed in quartz glass sample container；
Step 3：Quartz glass sample container quartz glass ball and saline sample top layer equably pour trace particle into,
Then to the circular lid with cylinder interface on quartz glass sample container lid, the electric wire of the first miniature pore pressure gauge from
Wear out in cylinder interface in circular lid, be connected with data acquisition unit；Then with heating by quartz glass sample container
Gas between interior sample is discharged from having the first cylinder interface and the second cylinder interface；
Step 4：The second miniature pore pressure gauge is put in the pipeline of connection water channel and second chamber；
Step 5：Pressure isolation in-house second chamber is connected with tank and quartz glass sample container, and in tank
In fill water, then motor drives drive magnet bar to produce rotating excitation field, and this rotating excitation field drives rotary magnetic iron bar to cause quartz
Quartz glass ball and saline vibration in glass specimen container；
Step 6：When the dynamic pressure force value of two miniature pore pressure gauges is equal, then the stone in quartz glass sample container
There is liquefaction in English glass bead and saline sample.
Second cylinder interface can also be the gas discharge outlet in quartz glass sample between sample.
The beneficial effects of the utility model are by rotating excitation field being produced outside liquefaction vessel, driving quartz glass sample to hold
Rotary magnetic iron bar in device produces liquefaction, so as to effectively reduce the vibration of quartz container, facilitates thin sight flow field between granule
Laser particle tests the speed observation of taking pictures, and device transparent visual, the liquefaction process of Observable granule.
Description of the drawings
Fig. 1 is integral assembling structure schematic diagram of the present utility model；
Fig. 2 is cylindrical tube schematic diagram of the present utility model；
Fig. 3 is the first circular lid schematic diagram of the present utility model；
Fig. 4 is the second circular lid top view of the present utility model；
1. cylindrical tube, 2. the second circular lid, 3. the first circular lid, 4. the first cylinder interface, 5. the second cylinder in figure
Interface, 6. rotary magnetic iron bar, 7. motor, 8. the first miniature pore pressure gauge, 9. confined pressure applying mechanism, 10. rubber membrane,
11. first chambers, 12. second chambers, 13. second miniature pore pressure gauges, 14. tanks, 15. drive magnet bars.
Specific embodiment
In order that technological means, character of innovation, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
As Figure 1-4, the thin thixotropy generating meanss for seeing flow observation between granule, including quartz container, enclose
Pressure applying mechanism, water pressure monitoring system, magnetic force vibrational system.The quartz glass sample container includes that cylindrical tube 1, second is circular
Lid 2, the first circular lid 3.Cylindrical tube 1 fills quartz glass ball and saline sample；There is first chamber in confined pressure applying mechanism 9
11 and second chamber 12, two chambers rubber membrane 10 is isolated, and wherein first chamber 11 is connected with quartz glass sample container, and
Two chambers 12 are connected with tank 14.The water pressure monitoring system includes the first miniature pore pressure gauge 8 and the second miniature hole
WG 13, among the first miniature pore pressure gauge 8 is placed on the sample in quartz glass sample container, the quartzy glass of test
The pore water pressure between quartz glass ball in glass sample container, the second miniature pore pressure gauge 13 are placed on connection water channel 14
In the pipeline of second chamber 12, the total hydraulic pressure force value in second chamber 12 is measured, by measured pore water pressure and the second chamber
Total hydraulic pressure value in room 12 is compared, and judges whether the sample in quartz glass sample reaches liquefaction condition.First micro-hole
The electric wire of gap WG 8 is worn in public from the first interface 4 having on interface lid 3 of quartzy sample container.Magnetic force vibrational system
Including drive magnet bar 15, rotary magnetic iron bar 6 and motor 7, rotary magnetic iron bar 6 is placed in quartz glass sample container, electricity
Motivation 7 drives drive magnet bar 15 to rotate and forms rotating excitation field, vibrates so as to magnet strip 6 is rotated, gives quartz glass sample
Quartz glass ball and saline sample in container provides magnetic force vibration force.
Between this utility model granule, the course of work of the thin magnetic force thixotropy generating meanss for seeing flow observation is as follows：
Step 1：Quartz glass ball and saline sample are put in quartzy glass/glass sample container；Comprise the following steps that：With
Cylindrical tube 1 is connected by glass cement with the second circular lid 2, then quartz glass ball is put in cylindrical tube 1 and is layered with spoon
It is paved with.With a certain amount of saline of graduated cylinder amount, saline is slowly poured in the quartz glass sample container for filling quartz glass ball, directly
It is parallel with the top bead of quartz glass sample container to saline and quartz glass ball mixture.
Step 2：The first miniature pore pressure gauge 8 and rotary magnetic iron bar 6 are placed in quartz glass sample container；Specifically
Step is as follows：Quartz glass sample container is measured with gage, and is being used away from quartz glass sample container opening 15mm and 30mm
Rotary magnetic iron bar 6, when quartz glass ball sample is placed at first line, is placed on quartz glass by each standardized diatom of pen
Middle in sample container；When quartz glass ball sample is placed at second line, with gage in quartz glass sample
30mm is measured with the direction of opening parallel at the opening of container, then the first miniature pore pressure cell 8 is placed on from quartzy glass
Glass sample container opening 30mm, in the quartz glass ball sample away from outer wall 30mm, then proceed to place quartz glass ball sample.
Step 3：Quartz glass sample container quartz glass ball and saline sample top layer equably pour trace particle into,
Then the first circular lid 3 is covered to quartz glass sample container, the electric wire of the first miniature pore pressure gauge 8 is circular from first
Wear out in the first cylinder interface 4 on lid, be connected with data acquisition unit；Then with heating by quartz glass sample container
Gas between interior sample is discharged from having the first cylinder interface 4 and the second cylinder interface 5.
Step 4：Place the second miniature pore pressure gauge 13；Comprise the following steps that：In connection water channel 14 and second chamber
The second miniature pore pressure gauge 13 is placed in 12 pipeline, the second miniature pore pressure gauge 13 and the first miniature pore water is made
Piezometer 8 is at same level.
Step 5：Second chamber 12 is connected with tank 14, first chamber 11 is connected with the second cylinder interface 5, and in water
Water is filled in groove 14, the rotating speed of motor 7 is then set, motor 7 drives drive magnet bar 15 to rotate and forms rotating excitation field, from
And magnet strip 6 is rotated and vibrates, magnetic force vibration is provided to the quartz glass ball in quartz glass sample container and saline sample
Power.
Step 6：When the dynamic pressure force value of two miniature pore pressure gauges is equal, then the stone in quartz glass sample container
There is liquefaction in English glass bead and saline sample.
In this utility model, drive magnet bar is not contacted with quartz glass sample container bottom surface.
Confined pressure applying mechanism is a pressure isolation mechanism.
Claims (9)
1. the magnetic force thixotropy generating meanss of flow observation are carefully seen between a kind of granule, it is characterised in that：Which includes quartz glass
Stone is placed in sample container, confined pressure applying mechanism, water pressure monitoring system, magnetic force vibrational system, the quartz glass sample container
English glass bead and saline sample；The confined pressure applying mechanism rubber membrane is isolated into two chambers, one of chamber and quartz
Glass specimen container is connected, and another chamber is connected with tank and water pressure is passed to quartz glass sample appearance by rubber membrane
Device；The water pressure monitoring service system includes two miniature pore pressure gauges, and one of them miniature pore pressure gauge is placed
In the sample of quartz glass sample container, the pore water pressure in the quartzy glass specimen container of test, another miniature hole
WG is placed in the pipeline of connection water channel and chamber, and testing flume is transferred to the water pressure on rubber membrane；Magnetic force vibrates
System includes rotary magnetic iron bar, drive magnet bar and motor, and rotary magnetic iron bar is placed in quartz glass sample container, drives
Magnet strip is rotated and is placed on outside quartz glass sample container bottom surface by motor, the rotary magnetic that drive magnet bar is produced
Field drives rotary magnetic iron bar, makes the sample in quartz glass sample container that thixotropy to occur.
2. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 1
It is：The quartz glass sample container includes cylindrical tube, the first circular lid being removably mounted at the top of cylindrical tube and can
The second circular lid in cylinder bottom of the tube is removed and installed, wherein there are two hollow cylinder interfaces in the first circular lid.
3. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 2
It is：Two hollow cylinder interfaces are respectively the first cylinder interface and the second cylinder interface, the first cylinder interface and confined pressure
Applying mechanism connects, and the second cylinder interface is the electric wire and data source of the miniature pore pressure gauge in quartz container
The interface channel of harvester.
4. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 3
It is：Two chambers are respectively first chamber and second chamber, and the first chamber is connected with quartz glass sample container, described
Second chamber is connected with tank and water pressure is passed to quartz glass sample container by rubber membrane.
5. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 2
It is：The cylindrical tube, the first circular lid and the second circular lid are made by quartz glass, the external diameter of the cylindrical tube
The diameter of 38mm, wall thickness 3mm, high 76mm, first circular lid and the second circular lid is 38mm, the first circular lid
Thickness be 4mm, the thickness of the second circular lid is 2mm.
6. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 1
It is：A diameter of 6mm of the rotary magnetic iron bar, a length of 10mm of rotary magnetic iron bar.
7. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 2
It is：The internal diameter of the first cylinder interface and the second cylinder interface is 1mm, and wall thickness is 1mm, and a height of 20mm, the first cylinder connect
The minimum range of mouth and the second cylinder interface from the first circular lid edge is 3mm；The mean diameter of described quartz glass ball
For 1mm, the concentration of saline is 26%, and quartz glass sample container, quartz glass ball are identical with the refractive index of saline.
8. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 4
It is：Two miniature pore pressure gauges are respectively the first miniature pore pressure gauge and the second miniature pore pressure gauge, institute
State the first miniature pore pressure gauge to be placed at quartz glass sample container opening 30mm, the first miniature pore water pressure with from
The outer wall distance of quartz glass sample container is also 30mm, and the second miniature pore pressure gauge is placed on connection water channel and the
In the pipeline of two chambers, and with the first miniature pore pressure gauge in same level.
9. the magnetic force thixotropy generating meanss of flow observation, its feature are carefully seen between a kind of granule according to claim 3
It is：The confined pressure applying mechanism and quartz glass sample container and tank all use hose connection, and the rubber membrane is placed on and encloses
The middle of pressure applying mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094110.XU CN206146962U (en) | 2016-09-30 | 2016-09-30 | Carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094110.XU CN206146962U (en) | 2016-09-30 | 2016-09-30 | Carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146962U true CN206146962U (en) | 2017-05-03 |
Family
ID=58620395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621094110.XU Withdrawn - After Issue CN206146962U (en) | 2016-09-30 | 2016-09-30 | Carefully see magnetic vibrator liquefaction generating device who surveys in flow field between granule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468720A (en) * | 2016-09-30 | 2017-03-01 | 浙江科技学院（浙江中德科技促进中心） | The thin magnetic force thixotropy generating meanss seeing flow observation and test method between granule |
-
2016
- 2016-09-30 CN CN201621094110.XU patent/CN206146962U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468720A (en) * | 2016-09-30 | 2017-03-01 | 浙江科技学院（浙江中德科技促进中心） | The thin magnetic force thixotropy generating meanss seeing flow observation and test method between granule |
| CN106468720B (en) * | 2016-09-30 | 2018-11-20 | 浙江科技学院（浙江中德科技促进中心） | The magnetic force thixotropy generating device and test method of flow observation are carefully seen between particle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20181120 |
|
| AV01 | Patent right actively abandoned |