CN209182122U - A kind of experimental rig of microorganism gelling Stabilization of Loess sample - Google Patents
A kind of experimental rig of microorganism gelling Stabilization of Loess sample Download PDFInfo
- Publication number
- CN209182122U CN209182122U CN201821899476.3U CN201821899476U CN209182122U CN 209182122 U CN209182122 U CN 209182122U CN 201821899476 U CN201821899476 U CN 201821899476U CN 209182122 U CN209182122 U CN 209182122U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- loess
- stabilization
- microorganism
- gelling
- 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.)
- Expired - Fee Related
Links
- 230000006641 stabilisation Effects 0.000 title claims abstract description 26
- 238000011105 stabilization Methods 0.000 title claims abstract description 26
- 244000005700 microbiome Species 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 claims abstract description 45
- 239000002699 waste material Substances 0.000 claims abstract description 29
- 241000894006 Bacteria Species 0.000 claims abstract description 25
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 239000004575 stone Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229940099259 vaseline Drugs 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000011160 research Methods 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000005429 filling process Methods 0.000 abstract description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of experimental rig of microorganism gelling Stabilization of Loess sample, including liquid feed device, peristaltic pump, cementing device, waste collection bottle and vacuum evacuation device；Liquid feed device connects waste collection bottle by pipeline by pipeline joint test cabinet, experiment casing, and waste collection bottle connects vacuum evacuation device by pipeline；Peristaltic pump is provided on pipeline between liquid feed device and experiment casing；A kind of experimental rig of microorganism gelling Stabilization of Loess sample described in the utility model, using substep grouting, rubber membrane package effect of contraction and vacuumize accelerate fluid flow by the way of, reduce the influence of wall effect in filling process, it solves the problems, such as that solution seepage flow in loess soil sample is excessively slow, realizes the automatically supplying of bacterium solution and consolidating fluid, the control of dosage and filling speed.In test each parameter can be controlled effectively, convenient for test variable research, and can freely be filled sample and be unloaded sample.
Description
Technical field
The utility model belongs to loess solidification field, in particular to a kind of test dress of microorganism gelling Stabilization of Loess sample
It sets.
Background technique
China is that loess distribution is most wide in the world, the maximum country of thickness.Macroporous structure possessed by loess, so that its
Structure is destroyed after soaking under native state, and intensity is substantially reduced, while also with a large amount of deformations.The collapsibility of loess and
Stronger water penetration often causes very big harm to the engineering construction of Canal in Loess Area.
Microorganism induction precipitation of calcium carbonate (MICP) is a kind of biomineralization process being widespread in nature.In recent years
Come, with the continuous development of the interdisciplinary crossing research such as microbiology, geochemistry, civil engineering, MICP is gradually applied to
Each related fields, such as sewage treatment, calcareous stone material reparation, the improvement of soft soil foundation stabilized soil pavement, compared to meeting to ring
Border generates the chemical grouting of pollution, and with environment friendly and microorganism consolidation by grouting technology has small disturbance, short time limit, adds
Gu effect is obvious and the advantages such as low power consuming.The research of microorganism induction precipitation of calcium carbonate at present mainly with cementing sand, reinforces sand
Based on, it is less to the research of Stabilization of Loess.Research shows that the nothing of loess can be significantly improved using microorganism gelling Stabilization of Loess
Confined compressive strength, the permeability for reducing loess.So microorganism gelling Stabilization of Loess has broad prospects.
Existing device is mainly in the majority to reinforce sand, sand, infiltrates difficult, side to what microorganism gelling Stabilization of Loess will appear
The problems such as wall effect, not can be well solved.
Utility model content
The purpose of this utility model is to provide a kind of experimental rigs of microorganism gelling Stabilization of Loess sample, on solving
State problem.
To achieve the above object, the utility model uses following technical scheme:
A kind of experimental rig of microorganism gelling Stabilization of Loess sample, including it is liquid feed device, peristaltic pump, cementing device, useless
Liquid receiving flask and vacuum evacuation device；Liquid feed device is connected waste liquid by pipeline and is received by pipeline joint test cabinet, experiment casing
Collect bottle, waste collection bottle connects vacuum evacuation device by pipeline；It is provided on pipeline between liquid feed device and experiment casing compacted
Dynamic pump；
Cementing device includes experiment casing, permeable stone, filter paper, experiment casing upper cover and bayonet plug；Experiment casing upper cover is set
It sets at experiment casing upper end opening, loess sample is provided in experiment casing, the upper and lower surface of loess sample is provided with filter
Paper；It is provided with one layer of permeable stone on the filter paper of the upper surface of loess sample, is provided with card below the filter paper of loess sample lower surface
Mouth is filled in, and is provided with permeable stone in bayonet plug；Experiment casing upper cover is ventilating cover.
Further, the cylindrical outer side that loess sample, filter paper, permeable stone and bayonet plug are formed is provided with one week rubber membrane,
The inner surface of rubber pattern applies one layer of vaseline；Bayonet plug is the plastic bayonet plug that water outlet is arranged at hollow and lower part.
Further, liquid feed device includes two supplying bottles, and a supplying bottle is provided with bacterium solution, another supplying bottle is built-in
There is consolidating fluid；Two supplying bottles pass through pipeline respectively and are connected to peristaltic pump, are provided on the pipeline in two supplying bottle exits
Valve；Scale is provided on two supplying bottles.
Further, hole is provided in experiment casing on lid, the pipeline of wriggling pump discharge passes through in experiment casing on lid
Hole enters experiment casing, and pipeline is located at the intracorporal part of chamber and is provided with spray head, and spray head is located at the surface of loess sample.
Further, experiment casing bottom bottom opening, bayonet plug water outlet are exposed by this opening, water outlet and waste liquid
It is connected between receiving flask top plate by pipeline, and is provided with valve on pipeline；Waste collection bottle is air-tight bottle, on waste collection bottle
It is provided with pressure gauge.
Further, outlet is additionally provided on waste collection bottle top plate, outlet connects vacuum evacuation device by pipeline, and manages
Valve is provided on road；The bottom of waste collection bottle is provided with outlet pipe, is provided with valve on outlet pipe.
Further, experiment casing is organic glass cabinet, and support leg is arranged at lower part.
Compared with prior art, the utility model has following technical effect:
The experimental rig of a kind of microorganism gelling Stabilization of Loess sample described in the utility model, using substep grouting, rubber
The effect of contraction of epithelium package and the mode for vacuumizing acceleration fluid flow, reduce the influence of wall effect in filling process,
It solves the problems, such as that solution seepage flow in loess soil sample is excessively slow, realizes the automatically supplying of bacterium solution and consolidating fluid, dosage and grouting
The control of speed.In test each parameter can be controlled effectively, convenient for test variable research, and can freely be filled sample and be unloaded sample.
The utility model instrument and equipment is simple, test material is easy to get, and operating method is easy-to-understand, environmentally protective；Equipment is easy
In production, microorganism gelling Stabilization of Loess effect is obvious, provides new approaches for indoor loess sample reinforcing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of bayonet plug, wherein (a) is the top view of bayonet plug, it (b) is the front view of bayonet plug；
Wherein: 1, supplying bottle；2, valve；3, connecting tube；4, peristaltic pump；5, spray head；6, experiment casing upper cover；7, chamber
Body；8, rubber membrane；9, permeable stone；10, filter paper；12, bayonet plug；13, pressure gauge；14, waste collection bottle；15, vacuum evacuation device.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described:
A kind of experimental rig of microorganism gelling Stabilization of Loess sample, including liquid feed device 1, peristaltic pump 4, cementing device,
Waste collection bottle 14 and vacuum evacuation device 15；Liquid feed device 1 is connected by pipeline joint test cabinet 7, experiment casing 7 by pipeline
Waste collection bottle 14 is connect, waste collection bottle 14 connects vacuum evacuation device 15 by pipeline；Between liquid feed device 1 and experiment casing 7
Pipeline on be provided with peristaltic pump 4；
Cementing device includes experiment casing 7, permeable stone 9, filter paper 10, experiment casing upper cover 6 and bayonet plug 12；Experiment casing
Upper cover 6 is arranged at 7 upper end opening of experiment casing, loess sample is provided in experiment casing 7, the upper and lower surface of loess sample is equal
It is provided with filter paper 10；One layer of permeable stone 9, the filter paper of loess sample lower surface are provided on the filter paper 10 of the upper surface of loess sample
10 lower sections are provided with bayonet plug 12, and permeable stone 9 is provided in bayonet plug 12；Experiment casing upper cover 6 is ventilating cover.
The cylindrical outer side that loess sample, filter paper 10, permeable stone 9 and bayonet plug 12 are formed is provided with one week rubber membrane 8, rubber
The inner surface of mould applies one layer of vaseline；Bayonet plug 12 is the plastic bayonet plug that water outlet is arranged at hollow and lower part.
Liquid feed device 1 includes two supplying bottles, and a supplying bottle is provided with bacterium solution, another supplying bottle is provided with cementing
Liquid；Two supplying bottles pass through pipeline respectively and are connected to peristaltic pump 4, and valve 2 is provided on the pipeline in two supplying bottle exits；
Scale is provided on two supplying bottles.
Hole is provided in experiment casing upper cover 6, the pipeline that peristaltic pump 4 exports passes through the hole in experiment casing upper cover 6 and enters
Experiment casing 7, the part that pipeline is located in experiment casing 7 are provided with spray head 5, and spray head is located at the surface of loess sample.
7 bottom opening of experiment casing, 12 water outlet of bayonet plug are exposed by this opening, and water outlet and waste collection bottle 14 push up
It is connected between plate by pipeline, and is provided with valve 2 on pipeline；Waste collection bottle 14 is air-tight bottle, is set on waste collection bottle 14
It is equipped with pressure gauge 13.
Outlet is additionally provided on 14 top plate of waste collection bottle, outlet connects vacuum evacuation device 15 by pipeline, and on pipeline
It is provided with valve 2；The bottom of waste collection bottle 14 is provided with outlet pipe, and valve 2 is provided on outlet pipe.
Experiment casing is organic glass cabinet, and support leg is arranged at lower part.
A kind of test method of the experimental rig of microorganism gelling Stabilization of Loess sample, comprising the following steps:
1) one layer of filter paper and a permeable stone are placed in the upper and lower surface to Stabilization of Loess sample, wherein under loess sample
The permeable stone in portion is placed in bayonet plug, and bayonet plug and permeable stone flush, according to soil test method by loess sample, thoroughly
Water stone, bayonet plug are packed into rubber membrane；
2) 1) the loess sample in is put into experiment casing, covers experiment casing upper cover, bacterium solution and consolidating fluid are supplied
Device, peristaltic pump, waste collection bottle, vacuum evacuation device are assembled with connecting tube；
3) it is injected separately into bacterium solution and consolidating fluid in supplying bottle, keeps the valve on supplying bottle outlet conduit to be at this time and closes
Closed state；
4) it opens vacuum evacuation device 15 and connects the valve on 15 pipeline of vacuum evacuation device, when the stable reading of pressure gauge 13
When the pressure to needed for testing, peristaltic pump 4 and the valve for having the feed flow bottle valve of bacterium solution, bayonet plug 12 to export are opened, adjusted
Bacterium solution flow velocity is in desirable value and in stable state, flows into bacterium solution in loess sample, when the bacterium solution amount for flowing into sample reaches
It is taken, closes the feed flow bottle valve and peristaltic pump 4 for having bacterium solution, when the bacterium solution of loess sample upper surface all flows into the soil body,
Vacuum evacuation device 15 and the valve in the outlet of bayonet plug 12, the valve on connection 15 pipeline of vacuum evacuation device are turned off, bacterium solution is made
Two hours are stood in loess sample；
5) it is again turned on vacuum evacuation device 15 and connects the valve on 15 pipeline of vacuum evacuation device, when the reading of pressure gauge 13
When pressure needed for being stabilized to test, valve and peristaltic pump 4 that the feed flow bottle valve for having consolidating fluid, bayonet plug 12 export are beaten
It opens, adjusts cementing flow velocity and be in desirable value and be in stable state, when consolidating fluid enters the volume and step 4) of loess sample
In bacterium solution volume used it is equal when, close the feed flow bottle valve and peristaltic pump 4 for having consolidating fluid, it is cementing when loess sample upper surface
When liquid all flows into the soil body, vacuum evacuation device 15 and valve, connection 15 pipeline of vacuum evacuation device in the outlet of bayonet plug 12 are closed
On valve, make consolidating fluid loess sample stand 6 hours；
6) it repeats step 4) step 5) 6-7 times；
7) after the completion of loess sample is cementing, experiment casing upper cover 6 is opened, takes out soil sample, maintenance two days later, carries out correlation
It can test.
Embodiment 1:
For a further understanding of the content of the present invention and effect, as one example, and it is a kind of micro- to cooperate attached drawing to be described in detail
The operating procedure of the test method of the Sample devices of biology gelling Stabilization of Loess:
It 1) is diameter 39.1mm, the cylinder sample of high 80mm, in the upper following table to Stabilization of Loess sample to Stabilization of Loess sample
One layer of filter paper and a permeable stone are placed in face, and wherein the permeable stone of loess sample lower part is placed in bayonet plug, and bayonet plug
It flushes with permeable stone, loess sample, permeable stone, bayonet plug is packed into rubber membrane according to the method for soil test；
2) 1) the loess sample in is put into experiment casing, covers experiment casing upper cover, bacterium solution and consolidating fluid are supplied
Device, peristaltic pump, waste collection bottle, vacuum evacuation device are assembled with connecting tube；
3) it is injected separately into bacterium solution and consolidating fluid in supplying bottle, keeps the valve on supplying bottle outlet conduit to be at this time and closes
Closed state；
4) it opens vacuum evacuation device 15 and connects the valve on 15 pipeline of vacuum evacuation device, when the stable reading of pressure gauge 13
When the pressure to needed for testing, peristaltic pump 4 and the valve for having the feed flow bottle valve of bacterium solution, experiment casing 7 to export are opened, adjusted
Bacterium solution flow velocity is 5mL/min and is in stable state, flows into 15mL bacterium solution in loess sample, when the bacterium solution for flowing into sample reaches
When 15mL, the valve and peristaltic pump 4 of bacterium solution supplying bottle are first closed, when the bacterium solution of loess sample upper surface all flows into the soil body,
Vacuum evacuation device 15 and the valve in the outlet of bayonet plug 12, the valve on connection 15 pipeline of vacuum evacuation device are turned off, bacterium solution is made
Two hours are stood in loess sample；
5) it is again turned on vacuum evacuation device 15 and connects the valve on 15 pipeline of vacuum evacuation device, when the reading of pressure gauge 13
When pressure needed for being stabilized to test, valve and peristaltic pump 4 that the valve of consolidating fluid supplying bottle, bayonet plug 12 export are opened,
It adjusts cementing flow velocity to be 5mL/min and be in stable state, when institute in the volume and step 4) that consolidating fluid enters loess sample
When equal with bacterium solution volume, i.e. when 15mL, the valve and peristaltic pump 4 of consolidating fluid supplying bottle are closed, when loess sample upper surface
When consolidating fluid all flows into the soil body, vacuum evacuation device 15 and valve, connection vacuum evacuation device 15 in the outlet of bayonet plug 12 are closed
Valve on pipeline makes consolidating fluid stand 6 hours in loess sample；
6) it repeats step 4) step 5) 6-7 times；
7) after the completion of loess sample is cementing, experiment casing upper cover 6 is opened, takes out soil sample, maintenance two days later, carries out correlation
It can test.
Although being described in detail above in conjunction with example of the attached drawing to the utility model, the utility model does not limit to
May be used also in above-mentioned specific embodiment in the case where not departing from the utility model aims and claimed range
By make it is many in the form of, these belong to the protection scope of the utility model.
Claims (7)
1. a kind of experimental rig of microorganism gelling Stabilization of Loess sample, which is characterized in that including liquid feed device (1), peristaltic pump
(4), cementing device, waste collection bottle (14) and vacuum evacuation device (15)；Liquid feed device (1) passes through pipeline joint test cabinet
(7), experiment casing (7) connects waste collection bottle (14) by pipeline, and waste collection bottle (14) connects vacuum means by pipeline
Set (15)；Peristaltic pump (4) are provided on pipeline between liquid feed device (1) and experiment casing (7)；
Cementing device includes experiment casing (7), permeable stone (9), filter paper (10), experiment casing upper cover (6) and bayonet plug (12)；Examination
It tests box cover (6) to be arranged at experiment casing (7) upper end opening, is provided with loess sample, loess sample in experiment casing (7)
Upper and lower surface be provided with filter paper (10)；One layer of permeable stone (9) is provided on the filter paper (10) of the upper surface of loess sample, it is yellow
It is provided with bayonet plug (12) below the filter paper (10) of soil sample lower surface, is provided with permeable stone (9) in bayonet plug (12)；Chamber
Body upper cover (6) is ventilating cover.
2. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that loess
The cylindrical outer side that sample, filter paper (10), permeable stone (9) and bayonet plug (12) are formed is provided with one week rubber membrane (8), rubber pattern
Inner surface applies one layer of vaseline；Bayonet plug (12) is the plastic bayonet plug that water outlet is arranged at hollow and lower part.
3. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that feed flow
Device (1) includes two supplying bottles, and a supplying bottle is provided with bacterium solution, another supplying bottle is provided with consolidating fluid；Two feed flows
Bottle is connected to peristaltic pump (4) by pipeline respectively, and valve (2) are provided on the pipeline in two supplying bottle exits；Two confessions
Scale is provided on liquid bottle.
4. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that test
Hole is provided on box cover (6), the hole that the pipeline of peristaltic pump (4) outlet passes through on experiment casing upper cover (6) enters chamber
Body (7), the part that pipeline is located in experiment casing (7) are provided with spray head (5), and spray head is located at the surface of loess sample.
5. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that test
Cabinet (7) bottom opening, bayonet plug (12) water outlet is exposed by this opening, between water outlet and waste collection bottle (14) top plate
It is connected by pipeline, and is provided with valve (2) on pipeline；Waste collection bottle (14) is air-tight bottle, and waste collection bottle is set on (14)
It is equipped with pressure gauge (13).
6. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that waste liquid
Outlet is additionally provided on receiving flask (14) top plate, outlet connects vacuum evacuation device (15) by pipeline, and valve is provided on pipeline
Door (2)；The bottom of waste collection bottle (14) is provided with outlet pipe, and valve (2) are provided on outlet pipe.
7. a kind of experimental rig of microorganism gelling Stabilization of Loess sample according to claim 1, which is characterized in that test
Cabinet is organic glass cabinet, and support leg is arranged at lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899476.3U CN209182122U (en) | 2018-11-16 | 2018-11-16 | A kind of experimental rig of microorganism gelling Stabilization of Loess sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899476.3U CN209182122U (en) | 2018-11-16 | 2018-11-16 | A kind of experimental rig of microorganism gelling Stabilization of Loess sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182122U true CN209182122U (en) | 2019-07-30 |
Family
ID=67373105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821899476.3U Expired - Fee Related CN209182122U (en) | 2018-11-16 | 2018-11-16 | A kind of experimental rig of microorganism gelling Stabilization of Loess sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209182122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323902A (en) * | 2018-11-16 | 2019-02-12 | 西安建筑科技大学 | A kind of experimental rig and test method of microorganism gelling Stabilization of Loess sample |
| CN112746607A (en) * | 2021-01-13 | 2021-05-04 | 大连理工大学 | Equipment and method for reinforcing foundation by inducing calcium carbonate precipitation through electroosmosis and microorganisms |
| CN117965292A (en) * | 2024-04-02 | 2024-05-03 | 广州大学 | Soil pressurizing grouting experimental device and experimental method thereof |
-
2018
- 2018-11-16 CN CN201821899476.3U patent/CN209182122U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323902A (en) * | 2018-11-16 | 2019-02-12 | 西安建筑科技大学 | A kind of experimental rig and test method of microorganism gelling Stabilization of Loess sample |
| CN112746607A (en) * | 2021-01-13 | 2021-05-04 | 大连理工大学 | Equipment and method for reinforcing foundation by inducing calcium carbonate precipitation through electroosmosis and microorganisms |
| CN117965292A (en) * | 2024-04-02 | 2024-05-03 | 广州大学 | Soil pressurizing grouting experimental device and experimental method thereof |
| CN117965292B (en) * | 2024-04-02 | 2024-07-12 | 广州大学 | Soil pressurizing grouting experimental device and experimental method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109323902A (en) | A kind of experimental rig and test method of microorganism gelling Stabilization of Loess sample | |
| CN209182122U (en) | A kind of experimental rig of microorganism gelling Stabilization of Loess sample | |
| CN107356463B (en) | Indoor test device and method for concreting residual soil by microorganism grouting technology | |
| CN107064472A (en) | The experimental rig and test method of a kind of microorganism grouting and reinforcing cylinder sand sample | |
| CN201464456U (en) | High-pressure crack grouting simulation test bed | |
| CN106153860B (en) | A kind of device and method of one-dimensional microorganism grouting and reinforcing silt test | |
| CN107255705A (en) | Microorganism grouting test device and test method for uniform curing silt | |
| CN103981853B (en) | A kind of manipulated soil vacuum preloading equipment and one-tenth earth process | |
| CN206945689U (en) | Microorganism grouting test device for uniform curing silt | |
| CN103389249A (en) | Device and method for clay core wall hydraulic fracturing experiments | |
| CN106769751A (en) | A kind of half cementing artificial core model and its sand-filling apparatus and method | |
| CN106771083B (en) | Microorganism reinforced sand column grouting device and test method thereof | |
| CN205444215U (en) | Gas drive foundation pit dewatering system | |
| CN205958568U (en) | Test device of little biological glue knot fine grained soil under negative pressure | |
| CN106703010B (en) | A kind of no sheath body bed of material sleeve valve barrel grouting rapid constructing method | |
| CN109959773A (en) | A kind of experimental rig and method demoulding microorganism grouting and reinforcing silt | |
| CN106930268A (en) | A kind of combination vacuum preloading prepares the double drainage consolidation device and consolidation technique of manipulated soil | |
| CN102418337B (en) | New grouting method | |
| CN207197898U (en) | Microorganism grouting technique consolidates the laboratory testing rig of residual soil | |
| CN111855353A (en) | MICP solidification calcareous sand cylinder sample preparation appearance | |
| CN214895279U (en) | Test device for simulating earthen site cracks through microorganism grouting and curing | |
| CN107036862B (en) | A kind of time-controlled type thermal-insulating type remodeling sample preparation device and method | |
| CN111999142A (en) | MICP solidification calcareous sand two-way slip casting cylinder sample system appearance | |
| CN111999156A (en) | Temperature-controlled high-pressure biological solidification test device and test method thereof | |
| CN105067221A (en) | Dynamic induction simulation device for broken surrounding rock grouting reinforcement, and testing method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 |