CN207662694U - A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device - Google Patents
A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device Download PDFInfo
- Publication number
- CN207662694U CN207662694U CN201721861721.7U CN201721861721U CN207662694U CN 207662694 U CN207662694 U CN 207662694U CN 201721861721 U CN201721861721 U CN 201721861721U CN 207662694 U CN207662694 U CN 207662694U
- Authority
- CN
- China
- Prior art keywords
- slip casting
- veins
- grouting
- infiltration coefficient
- arteries
- 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
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of slurry arteries and veins making of fracture grouting and infiltration coefficient detection devices, it solves the problems, such as that the thickness, width and slurry arteries and veins direction that generate slurry arteries and veins in the prior art have prodigious randomness, the accuracy of slurry arteries and veins detection infiltration coefficient relatively low, has the effect of being readily disassembled and carrying, can reuse, can determine the formation character for starching arteries and veins in Different Strata and determine its infiltration coefficient；Its technical solution is：Including feeder, water storage device, slurries generating means and grouting device, the placement in layers soil body in slurries generating means has salt granulosa between the soil body；Feeder connects water storage device by tracheae, and water storage device is connected by water pipe with slurries generating means；The slurries generating means connect grouting device by Grouting Pipe.
Description
Technical field
The utility model is related to field of civil engineering more particularly to a kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection
Device.
Background technology
In the past 20 years, domestic big or middle ten thousand high buildings in city rise sheer from level ground the second phase, and it is flat that 10 layers or more of building alreadys exceed 100,000,000
Square rice；Wherein being more than the building of 100m has had 200.These are built and in the high building and superelevation building built, foundation depth
Gradually it is developed to 20m or more.Underground engineering is often in intensive existing building, road and bridge, underground utilities, subway etc.
It is careless slightly near engineering, not only jeopardize underground engineering structure or even building that drawing crack closes on, brings about great losses.
According to statistics, the incidence of base pit engineering is high, and pit failure accounts for 1/4 or more of foundation pit sum, these engineerings
Accident is mainly shown as that supporting construction generates anti-larger displacement, Support structure damage, foundation pit tower and wide-spread decline, foundation pit week
Circuit road cracking even collapses, the underground installation adjacent with foundation pit displacement is so that destroy.It facts have proved most of base pit engineering
Accident is all caused by having underground water, including differential settlement, seepage failure, piping etc..
Therefore, during foundation pit construction, how to be changed come effective controlling groundwater level by various measures, control ground
Layer deformation is the key that base pit engineering success or failure.The severe slip casting of skin is as a kind of fine and close soil stabilization, the important flashlight of antiseepage,
Applied to some domestic Important Projects, but its mechanical mechanism and effect prediction research obviously lag, and are unfavorable for fracture grouting and push away
The infiltration coefficient of slurry arteries and veins after wide application, especially the fracture grouting injection soil body is unable to measure.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides, and a kind of fracture grouting slurry arteries and veins makes and infiltration coefficient
Detection device has and is readily disassembled and carries, can reuse, can determine in Different Strata and starch the formation character of arteries and veins simultaneously
Determine the effect of its infiltration coefficient.
A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device, including feeder, water storage device, slurries generate
Device and grouting device, the placement in layers soil body in slurries generating means have salt granulosa between the soil body；Feeder passes through tracheae
Water storage device is connected, water storage device is connected by water pipe with slurries generating means；The slurries generating means are connected by Grouting Pipe
Connect grouting device.
Further, the slurries generating means include straining chamber, slip casting room and pressure indoor, and pressure indoor is set to slip casting room
Outside can prevent slurries and flow during slip casting and progress permeability test from flowing away and causing along the contact surface of the soil body and film
The inaccurate situation of gas permeability measurement can also simulate the slip casting feelings in the case of different depth of stratum by applying confining pressure
Condition；The lower part that straining chamber is set to slip casting room was used for the bubble in drainage.
Further, the slip casting room include film circumferentially, top slip casting ceiling lid and bottom portion slip casting room
Bottom plate；The pressure indoor is made of pressure indoor head cover, pressure indoor side wall and pressure indoor bottom plate.
Further, slip casting room side is sequentially connected No. 1 pressure-measuring pipe, No. 2 pressure-measuring pipes, No. 3 pressure-measuring pipes from bottom to up
With No. 4 pressure-measuring pipes, the lower part soil body of No. 1 pressure-measuring pipe and No. 2 pressure-measuring pipe connection film coateds, No. 3 pressure-measuring pipes and No. 4 pressure-measuring pipes connect
Connect the top soil body of film coated.
Further, the film and slip casting ceiling lid, slip casting room bottom plate are close by rubber washer and tension lock respectively
Envelope connection.
Further, the straining chamber is rigidly connected with slip casting room bottom plate, and slip casting room bottom plate is equipped with several apertures；Drainage
There is inclined water filter plate in room.
Further, the water storage device includes the first water butt and the second water butt；First water butt by water pipe with
The side lower of straining chamber is connected, and the second water butt is connected by water pipe with the bottom of pressure indoor.
Further, the grouting device includes reaction frame, and the inner tip of reaction frame installs jack, for providing thousand
The counter-force on jin top；The jack connects upper piston, and upper piston is sheathed in lower piston, and the upper piston is equipped with
Pressure gauge.
Further, multiple piston washers are equipped between the upper piston and lower piston；The lower piston connection
Grouting Pipe has slurry outlet in the Grouting Pipe.
Further, the jack connects servo controller.
Fracture grouting starches the application method of arteries and veins making and infiltration coefficient detection device, includes the following steps：
Step (1) prepares soil body sample, and configures optimum moisture content；
Step (2) fills the soil body sample prepared in mold, and the lower part soil body is filled in formation, is filled out on the soil body of lower part
Build the salt grain of setting thickness；
Step (3) fills the soil body sample prepared on salt grain top, forms the top soil body；
Soil body sample and mold are placed on the bottom plate of slip casting room by step (4), slough mold；
Step (5) by thin-film covering on the outside of soil body sample, and with slip casting room bottom plate, slip casting ceiling plate rubber washer and drawing
Tight lock is fixed；
Step (6) fixes slip casting ceiling lid and pressure indoor top cover bolt；
Step (7) adds water into the second water butt, and opens nitrogen cylinder, makes to be full of water in pressure indoor；
Grouting Pipe is driven by the way of electric drill punching in soil body sample by step (8), makes the slurry outlet in Grouting Pipe
Face salt granulosa；
Slurries are added in step (9) in grouting device, apply vertical load to upper piston by jack；Slurries enter
Salt granulosa is replaced in slip casting room, forms fracture grouting and starches arteries and veins；
Step (10) adds water into the first water butt, and apply nitrogen pressure after grout cures, carries out permeability test；
Step (11) records the reading of pressure gauge on the first water butt during permeability test, and slip casting room outlet pipe overflows water
Flow, and calculate practical slurry arteries and veins infiltration coefficient.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is simple in structure, is readily disassembled and carries, and can reuse, cost is relatively low；
(2) two water butts are arranged in the utility model, and the different confining pressure pressure in pressure indoor are adjusted with mould by water butt
The case where quasi- different depth stratum, starches arteries and veins by changing the fracture grouting of generation different-thickness of salt grain layer thickness；
(3) the slurry arteries and veins thickness that the utility model generates is fixed, and can be oozed by detecting grouting serous fluid slurry arteries and veins and soil body mixing
The mode of saturating coefficient detects slip casting effect, and oozing for slip casting slurry arteries and veins can be detected by way of rejecting soil body osmotic coefficient
Saturating coefficient；
(4) the utility model arranges weak floor using salt grain, and the soil body is replaced due to the particle characteristics of salt grain, can basis
The thickness of salt grain is arranged in test requirements document, solves in existing technology by increasing grouting pressure, clay fracturing is made to generate slurry arteries and veins
Mode, slurry arteries and veins thickness and width have prodigious randomness defect；The utility model replaces salt grain using slurries
Mode generates the slurry arteries and veins of fracture grouting, and the accuracy for detecting infiltration coefficient improves.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the grouting device structural schematic diagram of the utility model；
Fig. 3 is the water butt structural schematic diagram of the utility model；
Fig. 4 is the slurry arteries and veins generating means structural schematic diagram of the utility model；
Fig. 5 is the mould inside structural schematic diagram of the utility model；
Fig. 6 is the mold vertical view of the utility model；
Wherein, 1- nitrogen cylinders, the first water butts of 2-, the second water butts of 3-, 4- tracheaes, 5- water pipes, 6- slurries generating means,
7- Grouting Pipes, 8- grouting devices, 9- reaction frames, 10- jack, 11- oil pipes, 12- upper pistons, 13- piston washers, under 14-
Portion's piston, 15- grout outlets, 16- air inlets, 17- water outlets, 18- pressure gauges, 19- water storage barrel top covers, 20- stavings, 21- water outlets
Pipe, 22- Grouting Pipes, 23- slip casting ceiling lids, 24- slurry outlets, the tops the 25- soil body, the lower parts the 26- soil body, 27- salt granulosas, 28- enclose
Pressure chamber water inlet, 29- straining chamber water inlet, 30- drainages storehouse, 31- tense lock, 32- rubber washers, 33- films, 34- confining pressures
Room side wall, 35- slip castings room bottom plate, 36- artesian waters, 37- pressure indoor head covers, 38- compaction hammers, 39- mold head covers, 40- screw rods,
41- hits real bucket, 42- pedestals, 43-1 pressure-measuring pipes, 44-2 pressure-measuring pipes, 45-3 pressure-measuring pipes, 46-4 pressure-measuring pipes, 47- pressure
Table.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, the thickness for generating slurry arteries and veins, width and the direction for starching arteries and veins exists in the prior art
The lower deficiency of accuracy that infiltration coefficient is detected with prodigious randomness, slurry arteries and veins, in order to solve technical problem as above, this
Application proposes a kind of fracture grouting slurry arteries and veins and makes and infiltration coefficient detection device.
In a kind of typical embodiment of the application, as Figure 1-Figure 4, a kind of fracture grouting slurry arteries and veins making is provided
And infiltration coefficient detection device, including feeder, water storage device, slurries generating means and grouting device, slurries generating means
The middle placement in layers soil body；Feeder makes the water in water storage device enter slurries generating means；Grouting device is generated to slurries and is filled
Set middle injection slurries.
The water storage device includes the first water butt 2 and the second water butt 3, and the first water butt 2 and the second water butt 3 are by same
One feeder supplies, and the feeder is nitrogen cylinder 1, and nitrogen cylinder 1 connects the first water butt by the tracheae 4 with threeway
2 and second water butt 3.
First water butt 2 is identical with the structure of the second water butt 3, as shown in figure 3, include staving 20, staving 20
Top is equipped with water storage barrel top cover 19, and the top of water storage barrel top cover 19 is equipped with air inlet 16, and tracheae 4 is connected by air inlet 16；Institute
The side for stating air inlet 16 is equipped with water outlet 17, and the other side is equipped with pressure gauge 18.
As shown in figure 4, the slurries generating means include straining chamber, slip casting room and pressure indoor, pressure indoor is set to slip casting room
Outside be used for accommodate water storage device offer artesian water 36；The lower part that straining chamber is set to slip casting room was used for the gas in drainage
Bubble.
The pressure indoor includes pressure indoor sidewall 34, pressure indoor head cover 37 and pressure indoor bottom plate, pressure indoor sidewall 34, confining pressure
Ceiling lid 37 and pressure indoor bottom plate form columnar structured；The cross section of the pressure indoor head cover 37 and pressure indoor bottom plate is annulus
Shape, the outside for being sheathed on slip casting room；Pressure indoor water inlet 28 is arranged in pressure indoor bottom plate side, and pressure indoor water inlet 28 connects
Water pipe 4 connects the second water butt 3 by water pipe 4.
The slip casting room is set to inside pressure indoor, including slip casting ceiling lid 23, slip casting room bottom plate 35 and film 33, film 33
It is coated on the outside of soil body sample, is formed with slip casting ceiling lid 23, slip casting room bottom plate 35 columnar structured；Under soil body sample includes
Soil body plane of weakness is arranged by the way of arranging salt granulosa 27 in portion's soil body 25, salt granulosa 27 and the top soil body 26, slip casting room；It is described
Slip casting ceiling lid 23 is bolted with pressure indoor head cover 37；The film 33 and slip casting ceiling lid 37, slip casting room bottom plate 35
It is tightly connected respectively by rubber washer 32 and tension lock 31, the tension lock 31 is existing buckle structure, as long as can
Fixed rubber washer 32.
Outlet pipe 21 is connected on the slip casting ceiling lid 23, slip casting room bottom plate 35 is equipped with several apertures, and water passes through aperture
Into slip casting room；The side of the slip casting room connects 4 pressure-measuring pipes, sequentially consists of 43, No. 2 pressure-measuring pipes of No. 1 pressure-measuring pipe
44,45, No. 4 pressure-measuring pipes 46 of No. 3 pressure-measuring pipes.
The straining chamber is rigidly connected with slip casting room bottom plate 35, has inclined water filter plate in straining chamber, is set on water filter plate
There are several apertures；The side of straining chamber is equipped with straining chamber's water inlet 29 close to lower position, and straining chamber's water inlet 29 passes through water pipe 4
Connect the first water butt 2.
As shown in Fig. 2, the grouting device includes reaction frame 9, jack 10, upper piston 12 and lower piston 14, lead to
The pressurization of jack 10 is crossed to provide grouting pressure；The reaction frame 9 is frame structure.
The top of the inside of the reaction frame 9 is installed by jack 10,10 connected pipes 11 of the jack；Lower piston 14
It is fixed on the lower end inside reaction frame 9, jack 10 connects upper piston 12, and the upper piston 12 is sheathed on lower piston 14
In, ensure the air-tightness of grouting device in such a way that upper lower piston docks；Pressure gauge 47 is set in the upper piston 12, on
Multiple piston washers 13 are set between the circumferential direction and lower piston 14 of portion's piston 12.
The lower piston 14 has grout outlet 15, the connection note of the grout outlet 15 for containing grouting serous fluid, one side
Pipe 7 is starched, there is slurry outlet 24 in the Grouting Pipe 7；Grouting Pipe 7 stretches into soil body sample.
Soil body sample is prepared by mold, and the mold is as shown in Figure 5 and Figure 6, including hits real bucket 41, compaction hammer 38, mould
Have head cover 39 and pedestal 42, hit real bucket 41 and be fixed on 42 top of pedestal, the top both sides for hitting real bucket 41 are equipped with mold head cover 39, mould
It is connected by screw rod 40 between tool head cover 39 and pedestal 42；The open top of real bucket 41 is hit, the soil body, which is put into, to be hit in real bucket 41 by hitting
38 progress soil sample of real hammer hits practical operation work.
Fracture grouting starches the application method of arteries and veins making and infiltration coefficient detection device, includes the following steps：
Step (1) prepares soil body sample, and configures optimum moisture content；
Step (2) fills the soil body sample prepared in mold, and the lower part soil body 26 is filled in formation, the soil body 26 in lower part
On fill setting thickness salt granulosa 27；
Step (3) fills the soil body sample prepared on 27 top of salt granulosa, forms the top soil body 25；
Soil body sample and mold are placed on slip casting room bottom plate 35 by step (4), slough mold；
Film 33 is sleeved on the outside of soil body sample by step (5), and uses rubber pad with slip casting room bottom plate 35, slip casting ceiling plate 23
Circle 32 and tension lock 31 are fixed；
Step (6) fixes slip casting ceiling lid 23 with pressure indoor head cover 37 with bolt；
Step (7) adds water into the second water butt 3, and opens nitrogen cylinder 1, makes to be full of water in pressure indoor；
Grouting Pipe 7 is driven by the way of electric drill punching in soil body sample by step (8), makes the pulp in Grouting Pipe 7
24 face salt granulosa 27 of hole；
Slurries are added in step (9) in grouting device, apply vertical load to upper piston 12 by jack 10；Slurries
Salt granulosa 27 is replaced into slip casting room, fracture grouting is formed and starches arteries and veins；Grouting device can control slurry pressure, control method
For：
First, slurries are imported in lower piston 14, closes grout outlet 15；Then work 12 plug in top is passed through into jack 10
Be pressed into lower piston 14, until the reading of the pressure gauge 47 in upper piston 12 reaches slip casting requirement, connection grout outlet 15 with
Grouting Pipe 22；Finally, the servo controller being connect with jack 10 determines strain controlling speed according to the slip casting rate of test requirements document
Rate.
(4) servo controller controls formula using speed control formula, and strain controlling is determined according to the slip casting rate of test requirements document
Rate
After step (10) 24 hours, after grout cures, water is added into the first water butt 2, and apply nitrogen pressure；It connects
First water butt 2 and slurries generating means make flow enter from slurries generating means bottom, pass through inclined water filter plate filtered water
In bubble start permeability test into top slip casting room；It was surveyed every 15 minutes during permeability test and reads a seepage discharge,
Until seepage discharge is stablized, finally the difference of seepage discharge is no more than 1% twice；
By the seepage discharge Q1 (cm for starching arteries and veins3) be：
Q1=K1 (h2-h3) T/H1 (1)
Seepage discharge Q2 (the cm of the soil body are tested by top3) be：
Q2=K1 (h3-h4) T/H2 (2)
Seepage discharge Q3 (the cm of the soil body are tested by lower part3) be：
Q3=K1 (h1-h2) T/H1 (3)
Seepage discharge Q (the cm detected in experiment3) be：
Q=K (h2-h3) T/ (H1+H2+H3) (4)
Wherein, Q=Q1=Q2=Q3.
In formula (1)-(4), h1 is that No. 1 pressure-measuring pipe detects head height, and h2 is that No. 2 pressure-measuring pipes detect head height, h3 3
Number pressure-measuring pipe detects head height, and h4 is that No. 4 pressure-measuring pipes detect head heights, and H1 be the thickness for starching arteries and veins, and H2 is that top experiment is native
The thickness of body, H3 are the thickness that the soil body is tested in lower part, and thickness unit is cm；T is seepage discharge detection time；K1 is the infiltration for starching arteries and veins
Coefficient, K2 are the infiltration coefficient for testing the soil body, and K is to test the soil body and starch the mixing infiltration coefficient of arteries and veins.
Step (11) records the reading of pressure gauge 18 on the first water butt 2 during permeability test, slip casting room outlet pipe 21
Spill stream amount, and calculate practical slurry arteries and veins infiltration coefficient；
Slurry arteries and veins and the mixing infiltration coefficient calculation formula of the soil body are：
K=Q (H1+H2+H3)/[(h2-h3) T] (5)
Starching arteries and veins infiltration coefficient calculation formula is：
K2=Q2*H2/ [(h3-h4) T] (6)
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (9)
1. a kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device, which is characterized in that filled including feeder, water storage
It sets, slurries generating means and grouting device, the placement in layers soil body in slurries generating means, there is salt granulosa between the soil body；Gas supply
Device connects water storage device by tracheae, and water storage device is connected by water pipe with slurries generating means；The slurries generating means
Grouting device is connected by Grouting Pipe.
2. a kind of fracture grouting slurry arteries and veins according to claim 1 makes and infiltration coefficient detection device, which is characterized in that institute
It includes straining chamber, slip casting room and pressure indoor to state slurries generating means, and pressure indoor is set to the outside of slip casting room for accommodating water storage dress
The artesian water of offer is provided；The lower part that straining chamber is set to slip casting room was used for the bubble in drainage.
3. a kind of fracture grouting slurry arteries and veins according to claim 2 makes and infiltration coefficient detection device, which is characterized in that institute
State slip casting room include film circumferentially, top slip casting ceiling lid and bottom portion slip casting room bottom plate；The pressure indoor is by enclosing
Pressure chamber head cover, pressure indoor side wall and pressure indoor bottom plate composition.
4. a kind of fracture grouting slurry arteries and veins according to claim 3 makes and infiltration coefficient detection device, which is characterized in that institute
Film is stated to be tightly connected by rubber washer and tension lock respectively with slip casting ceiling lid, slip casting room bottom plate.
5. a kind of fracture grouting slurry arteries and veins according to claim 3 makes and infiltration coefficient detection device, which is characterized in that institute
It states straining chamber to be rigidly connected with slip casting room bottom plate, slip casting room bottom plate is equipped with several apertures；There is inclined drainage in straining chamber
Plate.
6. a kind of fracture grouting slurry arteries and veins according to claim 2 makes and infiltration coefficient detection device, which is characterized in that institute
It includes the first water butt and the second water butt to state water storage device；The side lower phase that first water butt passes through water pipe and straining chamber
Even, the second water butt is connected by water pipe with the bottom of pressure indoor.
7. a kind of fracture grouting slurry arteries and veins according to claim 1 makes and infiltration coefficient detection device, which is characterized in that institute
It includes reaction frame to state grouting device, and the inner tip of reaction frame installs jack, and the jack connects upper piston, and top is lived
Plug sleeve is set in lower piston.
8. a kind of fracture grouting slurry arteries and veins according to claim 7 makes and infiltration coefficient detection device, which is characterized in that institute
It states and is equipped with multiple piston washers between upper piston and lower piston；The lower piston connects Grouting Pipe, in the Grouting Pipe
With slurry outlet.
9. a kind of fracture grouting slurry arteries and veins according to claim 7 makes and infiltration coefficient detection device, which is characterized in that institute
State jack connection servo controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721861721.7U CN207662694U (en) | 2017-12-27 | 2017-12-27 | A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721861721.7U CN207662694U (en) | 2017-12-27 | 2017-12-27 | A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662694U true CN207662694U (en) | 2018-07-27 |
Family
ID=62943921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721861721.7U Expired - Fee Related CN207662694U (en) | 2017-12-27 | 2017-12-27 | A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207662694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131731A (en) * | 2021-12-03 | 2022-03-04 | 中国人民解放军陆军工程大学 | Calcareous sand indoor grouting reinforcement device |
-
2017
- 2017-12-27 CN CN201721861721.7U patent/CN207662694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131731A (en) * | 2021-12-03 | 2022-03-04 | 中国人民解放军陆军工程大学 | Calcareous sand indoor grouting reinforcement device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108036985A (en) | A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device and method | |
| CN100390357C (en) | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water | |
| CN108061687A (en) | It is a kind of to study the geotechnical engineering analogue test platform for having Latent destruction face | |
| CN105137048A (en) | Stratum grouting simulation system | |
| CN102707034A (en) | Indoor model testing device and testing method employing air-pressure splitting vacuum preloading method | |
| CN106680467B (en) | A kind of buried stratum high-pressure slip-casting simulation test device and test method | |
| CN105067222B (en) | Porous media moves water grouting device and its method | |
| CN203639954U (en) | Test platform for tri-directional static and dynamic loading model of bridge deep water foundation | |
| CN105717024A (en) | Device for testing performance of grouting and water plugging material for mine and application method of device | |
| CN106706416A (en) | Test device capable of simulating basement bottom plate stress under effect of pressure water and use method thereof | |
| CN107761708A (en) | The processing method that big thickness Collapsible Loess District Subway station groundwork is reinforced | |
| CN206470116U (en) | A kind of experimental rig for simulating the lower basement bottom board stress of artesian water effect | |
| CN110514809A (en) | Rock slope with along layer near cut simulation test device and test method under rainfall and underground water coupling | |
| CN203132854U (en) | Test device used for simulating stratum deformation triggered by subway shield tunnel construction | |
| CN110108838A (en) | A kind of simulation experiment method of directional drilling grouting serous fluid diffusion | |
| CN110658332B (en) | Concrete lining pre-pressure measurement test device and test method thereof | |
| CN107436140A (en) | The settling column test instrument and test method that vacuum preloading and piling prepressing are combined | |
| CN106092849A (en) | A kind of sand-pebble layer earth pressure balanced shield, EPBS driving anti-gush experimental provision and method | |
| CN110806372A (en) | Soil body penetration test device and method under variable stress condition | |
| CN105484266B (en) | The grouting equipment and its construction method of a kind of multifunctional information | |
| CN109487777A (en) | A method of a reinforcing deep soft soil foundation of filling the span of a man's arms is formed using slip casing by pressure | |
| CN109632606B (en) | Excavation surface seepage test system for river bottom shield tunnel construction under tidal load effect | |
| CN207662694U (en) | A kind of fracture grouting slurry arteries and veins makes and infiltration coefficient detection device | |
| CN104196064A (en) | Retaining wall instability model test device and installation and test method | |
| CN103308393A (en) | Formation fracturing resistance testing device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |