CN208950609U - A kind of integrated stick of the osmotic grouting suitable for shield tunnel - Google Patents
A kind of integrated stick of the osmotic grouting suitable for shield tunnel Download PDFInfo
- Publication number
- CN208950609U CN208950609U CN201821873346.2U CN201821873346U CN208950609U CN 208950609 U CN208950609 U CN 208950609U CN 201821873346 U CN201821873346 U CN 201821873346U CN 208950609 U CN208950609 U CN 208950609U
- Authority
- CN
- China
- Prior art keywords
- stick
- slip casting
- infiltration
- grouting
- screw thread
- 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
- Lining And Supports For Tunnels (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a kind of osmotic groutings suitable for shield tunnel to integrate stick, the osmotic grouting integrates the slip casting stick that stick includes tubulose, the infiltration stick and Grouting Pipe of tubulose, the head end of slip casting stick is fixed with plug, the head end sealing of the tail end and infiltration stick of slip casting stick is connected, the head end of infiltration stick is fixed with partition, the tail end of infiltration stick is fixed with end plate, slurry outlet is evenly equipped on the peripheral wall of slip casting stick, it permeates on the peripheral wall of stick and is evenly equipped with water seepage hole, Grouting Pipe protrudes into slip casting stick after sequentially passing through end plate and partition, outlet pipe is fixed on end plate, outlet pipe passes through end plate and is connected to infiltration stick.The utility model has both the effect of slip casting and draining, can quickly and effectively dissipate excess pore water pressure caused by shield-tunneling construction in this way, fast lifting layer soil body effective stress, grouting consolidation effect during improving secondary grouting simultaneously and runing, and slip casting stick and infiltration stick together as one, it is easily installed, easy to use, the utility model is suitable for the fields such as Tunnel Engineering and leakage of underground engineering reinforcing.
Description
Technical field
The utility model relates to arrive the technical fields such as subway engineering, highway and railway traffic Tunnel Engineering, specifically
A kind of integrated stick of the osmotic grouting suitable for shield tunnel.
Background technique
Present subway, get down the highway and build with railway traffic channel nationwide like a raging fire, underground traffic has fortune
Defeated high-efficient, the advantages that carrying capacity is big, becomes and alleviates the effective way that traffic transports pressure and Accelerating Regional Economic construction.Shield
Method is the construction that subterranean tunnel most generallys use, during shield-tunneling construction, drawn into tunneling process due to shield around
The disturbance of ground layer soil body is to generate excess pore water pressure, if Super-void Water Pressure dissipates not in time around tunnel duct piece, it will
Cause duct piece float upward, ground the environmental effects such as significantly to settle, certain hidden danger is caused to tunnel safety.
Because the shield tunnel dangerous situation that section of jurisdiction leakage causes happens occasionally.When on 2 7th, 2018 evenings 7, Foshan subway 2
Handing over two boat office bid section Lutao lake to lakes to gush in line first stage of the project, the burst of the shield section building site You Xian is permeable, and operating worker attempts leak stopping
Have no resolution, until at night 8 when 40 divide or so, live water permeable area expands, and causes tunnel duct piece to deform and damaged, causes ground season West China
The more meters of sections Lu Sanshi collapse.Through investigating, accident segment occurred is there are deep water-rich silty sand layers and closes on highly permeable medium-sand seam,
Underground water has pressure-bearing property, and the permeable accident for gushing blowout mud collapsing easily occurs when shield machine passes through the location.
Currently used drainage measure is to take unimpeded combination method, according to the size of leak location water leakage, to part
Leakage point and the small location of water leakage are done diversion pipe and are drained, and lead to and are then exhausted from tunnel in the catch basin of tunnel floor.To leakage
It takes segmentation turk conduit to infuse special slurries and reinforces to form water blockoff area in the location that water is big and area is big.However this method
It can be due to the asynchronous initiation sediment failure of the work progress of slip casting, draining.And slip casting and draining are separately laid, and are constructed more multiple
It is miscellaneous.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of osmotic groutings suitable for shield tunnel to integrate stick,
It the moisture in the tunnel surrounding formation soil body can be discharged, super hole caused by effective dissipation shield-tunneling construction while slip casting
Water pressure, fast lifting layer soil body effective stress, slip casting and draining together as one, structure is simple, easy to use.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of integrated stick of the osmotic grouting suitable for shield tunnel, the infiltration stick and note of slip casting stick, tubulose including tubulose
Slurry pipe, the head end of slip casting stick are fixed with plug, and the head end sealing of the tail end and infiltration stick of slip casting stick is connected, and the head end for permeating stick is solid
Surely there is partition, the tail end for permeating stick is fixed with end plate, is evenly equipped with slurry outlet on the peripheral wall of slip casting stick, permeates uniformly distributed on the peripheral wall of stick
It is protruded into slip casting stick after thering is water seepage hole, the Grouting Pipe to sequentially pass through end plate and partition, outlet pipe is fixed on the end plate, out
Water pipe passes through end plate and is connected to infiltration stick.
Filled with filtering sponge in the infiltration stick, Grouting Pipe is passed through out of filtering sponge.
Rubber check valve is installed at slurry outlet, Grouting Pipe is two way seal slip casting core on the periphery wall of the slip casting stick
Pipe structure.
The plug is taper.
The head end of the slip casting stick is connected through a screw thread with plug, and wherein the head end periphery wall of slip casting stick is equipped with outside first
Screw thread, the tail end of plug open up fluted, and the internal perisporium of groove is equipped with the first internal screw thread cooperated with the first external screw thread.
The tail end of the slip casting stick and the head end of infiltration stick are connected by screw thread, wherein setting on the head end periphery wall of infiltration stick
There is the second external screw thread, the tail end internal perisporium of slip casting stick is equipped with the second internal screw thread cooperated with the second external screw thread.
The length of the slip casting stick is 300cm-500cm, and the length of plug is 12cm, and the length for permeating stick is 300cm-
500cm, the aperture of slurry outlet are 0.5cm, and the aperture of water seepage hole is 0.5cm.
The first perforation corresponding with Grouting Pipe is offered on the end plate, is equipped with and is covered in Grouting Pipe week in the first perforation
The first sealing shroud on wall offers the second perforation corresponding with Grouting Pipe on partition, is equipped with to cover in the second perforation and infuse
Starch the second sealing shroud on pipe peripheral wall.
The utility model by the tail end of slip casting stick and infiltration stick head end seal be connected, Grouting Pipe sequentially pass through end plate and every
It being protruded into after plate in slip casting stick, while slip casting, the water in surrounding soil can be entered in infiltration stick Grouting Pipe by water seepage hole,
Then it is discharged by outlet pipe, the utility model has both the effect of slip casting and draining, and the shield that can quickly and effectively dissipate in this way is applied
Excess pore water pressure caused by work, fast lifting layer soil body effective stress, while improve secondary grouting and operation during infuse
Consolidation effect, and slip casting stick and infiltration stick together as one are starched, is easily installed, it is easy to use, other drainings can also be generalized to
It is applied widely in the work progress of reinforcing, it is practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of osmotic grouting suitable for shield tunnel integrates stick, including slip casting stick 1, infiltration stick 2 and note
Pipe 3 is starched, slip casting stick 1 and infiltration stick 2 are tubular structure, and the head end of slip casting stick 1 is fixed with plug 4, the tail end and infiltration of slip casting stick 1
The head end sealing of saturating stick 2 is connected.The head end of infiltration stick 2 is fixed with partition 5, and slip casting stick 1 and infiltration stick 2 are divided into two by partition 5
A chamber, the tail end of infiltration stick 2 are fixed with end plate 6, and end plate 6 will permeate the tail end sealing of stick 2.It is uniformly distributed on the peripheral wall of slip casting stick 1
There is slurry outlet 7, permeates on the peripheral wall of stick 2 and be evenly equipped with water seepage hole 8, Grouting Pipe protrudes into slip casting stick after sequentially passing through end plate 6 and partition 5
In 1.Outlet pipe 9 is fixed on end plate, outlet pipe 9 passes through end plate and is connected to the inner cavity for permeating stick, and outlet pipe 9 and water plug connect
It connects.
It permeates filled with filtering sponge 10 in stick, Grouting Pipe is passed through out of filtering sponge, and filtering sponge can avoid extraneous thin
Small sand influences infiltration stick proper drainage into permeating in stick from permeability hole.
Rubber check valve 12 is installed at slurry outlet on the periphery wall of slip casting stick, slurries is can avoid and flows backwards, Grouting Pipe
For two way seal slip casting core pipe structure, two way seal slip casting core pipe structure is the prior art, and slip casting stick uses two way seal slip casting
Core pipe carries out slip casting, can reduce interfering with each other between different slip casting sections, realizes layering orientation slip casting.
Plug 4 is taper, is facilitated in the plug wedging soil body.
The head end of slip casting stick 1 is connected through a screw thread with plug 4, and wherein the head end periphery wall of slip casting stick 1 is equipped with outside first
Screw thread, the tail end of plug open up fluted, and the internal perisporium of groove is equipped with the first internal screw thread cooperated with the first external screw thread, in this way
Slip casting stick and plug are easy to loading and unloading, replacement easy to repair.
The tail end of slip casting stick 1 and the head end of infiltration stick 2 are connected by screw thread, wherein setting on the head end periphery wall of infiltration stick 2
There is the second external screw thread, the tail end internal perisporium of slip casting stick 1 is equipped with the second internal screw thread cooperated with the second external screw thread, such slip casting stick
Easy to loading and unloading, the replacement easy to repair with infiltration stick.
The length of slip casting stick is 300cm-500cm, can be 300cm, 350cm or 500cm etc., the length of slip casting stick can root
Selection adjustment is carried out according to tunnel internal diameter and slip casting depth, the length of plug is 12cm, and the length for permeating stick is 300cm-500cm,
It can be 300cm, 350cm or 500cm etc., the length for permeating stick can carry out selection adjustment according to tunnel internal diameter and draining depth,
The aperture of slurry outlet 7 is 0.5cm, and the aperture of water seepage hole 8 is 0.5cm.
First perforation corresponding with Grouting Pipe 3 is offered on end plate 6, is equipped with and is covered in Grouting Pipe peripheral wall in the first perforation
On the first sealing shroud, in this way can avoid slurries from infiltration stick in by first perforation outflow.It is offered on partition 5 and Grouting Pipe
Corresponding second perforates, and is equipped with the second sealing shroud covered on Grouting Pipe peripheral wall in the second perforation, can avoid slurries in this way
It is flowed into infiltration stick from slip casting stick by the second perforation.
When the utility model is specifically used, construct according to the following steps:
(1) injected hole cleared up on section of jurisdiction: wire brushing injected hole and neighbouring section of jurisdiction guarantee not concrete
Protrusion；
(2) sleeve shell material is perfused into injected hole；
(3) installation osmotic grouting integrates stick, and specific installation process is as follows:
(a) it is pressed into slip casting section: by integrated stick slip casting section 1 with after 4 seal with screwed joint of taper plug, being pressed into the soil body, and protect
Stay the tail end of slip casting section 1 outside injected hole；
(b) connection slip casting section and infiltration section: it will permeate in the uniform insertion slip casting section 1 of the slip casting core pipe 3 in section 2, will permeate
2 tops of section are threadedly coupled and seal with 1 tail end of slip casting section；
(c) indentation infiltration section: end plate 6 is installed in infiltration 2 tail end of section, and smears expanded rubber 11, will be connect in slip casting section 1
The infiltration section 2 of tail end is pressed into or shakes into the soil body, until osmotic grouting integrates stick tail end and submerges in injected hole；
(d) injected hole aperture is sealed: guarantees that osmotic grouting integrates the watertight rubber on the end plate 6 of stick and bears centainly
Pressure after, little water is spread on watertight rubber, it is allowed to expand, then aperture is blocked with cement mortar；
(4) slip casting and water plug are connected: water plug being connect with the outlet pipe 9 that osmotic grouting integrates stick, by slip casting
Device is connect with the tail end for the slip casting core pipe 3 that osmotic grouting integrates stick；
(5) delamination pour slurry drains: realizing Stratification split grouting by twitching slip casting core pipe 3, while utilizing the diffusion of slurries
Moisture in soil body hole is gradually discharged filling effect by permeating section 2, and grouting device and water plug are opened simultaneously, with reality
Existing the synchronous of slip casting draining carries out.
Claims (8)
1. a kind of osmotic grouting suitable for shield tunnel integrates stick, it is characterised in that: the infiltration of slip casting stick, tubulose including tubulose
Saturating stick and Grouting Pipe, the head end of slip casting stick are fixed with plug, and the head end sealing of the tail end and infiltration stick of slip casting stick is connected, and permeate stick
Head end be fixed with partition, the tail end for permeating stick is fixed with end plate, is evenly equipped with slurry outlet on the peripheral wall of slip casting stick, permeates the week of stick
Water seepage hole is evenly equipped on wall, the Grouting Pipe is protruded into slip casting stick after sequentially passing through end plate and partition, is fixed on the end plate
Outlet pipe, outlet pipe pass through end plate and are connected to infiltration stick.
2. the osmotic grouting according to claim 1 suitable for shield tunnel integrates stick, it is characterised in that: the infiltration stick
Interior to be filled with filtering sponge, Grouting Pipe is passed through out of filtering sponge.
3. the osmotic grouting according to claim 2 suitable for shield tunnel integrates stick, it is characterised in that: the slip casting stick
Periphery wall on rubber check valve is installed at slurry outlet, Grouting Pipe is two way seal slip casting core pipe structure.
4. the osmotic grouting according to claim 3 suitable for shield tunnel integrates stick, it is characterised in that: the plug is
Taper.
5. the osmotic grouting according to claim 4 suitable for shield tunnel integrates stick, it is characterised in that: the slip casting stick
Head end be connected through a screw thread with plug, wherein the head end periphery wall of slip casting stick is equipped with the first external screw thread, and the tail end of plug opens
Equipped with groove, the internal perisporium of groove is equipped with the first internal screw thread cooperated with the first external screw thread.
6. the osmotic grouting according to claim 5 suitable for shield tunnel integrates stick, it is characterised in that: the slip casting stick
Tail end and infiltration stick head end by screw thread be connected, wherein infiltration stick head end periphery wall be equipped with the second external screw thread, slip casting
The tail end internal perisporium of stick is equipped with the second internal screw thread cooperated with the second external screw thread.
7. the osmotic grouting according to claim 6 suitable for shield tunnel integrates stick, it is characterised in that: the slip casting stick
Length be 300cm-500cm, the length of plug is 12cm, and the length for permeating stick is 300cm-500cm, and the aperture of slurry outlet is
0.5cm, the aperture of water seepage hole are 0.5cm.
8. the osmotic grouting according to claim 7 suitable for shield tunnel integrates stick, it is characterised in that: on the end plate
The first perforation corresponding with Grouting Pipe is offered, the first sealing shroud covered on Grouting Pipe peripheral wall is installed in the first perforation,
The second perforation corresponding with Grouting Pipe is offered on partition, be equipped in the second perforation cover it is second close on Grouting Pipe peripheral wall
Big envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873346.2U CN208950609U (en) | 2018-11-14 | 2018-11-14 | A kind of integrated stick of the osmotic grouting suitable for shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821873346.2U CN208950609U (en) | 2018-11-14 | 2018-11-14 | A kind of integrated stick of the osmotic grouting suitable for shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950609U true CN208950609U (en) | 2019-06-07 |
Family
ID=66744608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821873346.2U Expired - Fee Related CN208950609U (en) | 2018-11-14 | 2018-11-14 | A kind of integrated stick of the osmotic grouting suitable for shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208950609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139059A (en) * | 2018-11-14 | 2019-01-04 | 郑州大学 | A kind of osmotic grouting suitable for shield tunnel integrates stick and construction method |
-
2018
- 2018-11-14 CN CN201821873346.2U patent/CN208950609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139059A (en) * | 2018-11-14 | 2019-01-04 | 郑州大学 | A kind of osmotic grouting suitable for shield tunnel integrates stick and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109139059A (en) | A kind of osmotic grouting suitable for shield tunnel integrates stick and construction method | |
| CN107761753B (en) | A kind of foundation pit water burst rapid rescue slip casting method for blocking | |
| CN106014201B (en) | A kind of outer release hole safe construction technique of tunnel grouting curtain | |
| CN107620312A (en) | High hydraulic pressure precipitation well construction and hydrostatic slip casting method for blocking in a kind of Metro station excavation | |
| CN109881694A (en) | A kind of constructing structure blocked for foundation pit substrate Sand and method | |
| CN103410175B (en) | A kind of water seepage control construction method for karst water-rich geological underground structure waterproof construction | |
| CN207739264U (en) | A kind of Grouting Pipe | |
| CN207193996U (en) | A kind of precipitation pipe well well-sealing device | |
| CN103866762A (en) | Pile body longitudinal multipoint grouting device | |
| CN107513995A (en) | A kind of bridge struction pile post grouting construction method | |
| CN209339169U (en) | A kind of precipitation well in foundation pit plugging device | |
| CN106869154A (en) | The flow control system and method for the dynamic water karst of closure high speed, big flow | |
| CN104847365B (en) | A kind of small interval Four-Lane Road Shallow-buried Large-span Tunnel construction method | |
| CN107816361A (en) | Tunnel rich water section partitioning waterproofing system | |
| CN203702071U (en) | Water inrush preventing drill ejecting device for water exploration and grouting construction of vertical shaft | |
| CN208950609U (en) | A kind of integrated stick of the osmotic grouting suitable for shield tunnel | |
| CN102720511A (en) | Tunnel construction structure for draining and desilting | |
| CN109853477A (en) | Change the concentrative seepage plugging structure and method that dynamic water is hydrostatic in gallery | |
| CN109339215A (en) | Replacement of not cutting off the water supply passes in and out the device and method of sluice gate | |
| CN109024640A (en) | One kind closing water valve device, shut-in well structure and its construction method | |
| CN108000699A (en) | A kind of urban water-through type storm sewer and its preparation process | |
| CN209603062U (en) | Change the concentrative seepage plugging structure that dynamic water is hydrostatic in gallery | |
| CN108487250A (en) | Uplift pile stake side post-grouting device and construction method | |
| CN208219684U (en) | Water orientation drainage device is returned in a kind of grout curtain drilling | |
| CN206844136U (en) | Closure high speed, big flow move the flow control system of water karst |
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: 20190607 Termination date: 20211114 |