CN208364131U - A kind of shield tunnel reception device - Google Patents
A kind of shield tunnel reception device Download PDFInfo
- Publication number
- CN208364131U CN208364131U CN201820500355.0U CN201820500355U CN208364131U CN 208364131 U CN208364131 U CN 208364131U CN 201820500355 U CN201820500355 U CN 201820500355U CN 208364131 U CN208364131 U CN 208364131U
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- Prior art keywords
- tunnel
- plain concrete
- concrete wall
- portal
- built
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of shield tunnel reception devices, plain concrete wall, fender post, station liner and dewatering well including tunnel, for being reinforced to tunnel end；Fender post is set to the junction in tunnel Yu station liner, and fender post is close to the setting of station liner；Plain concrete wall is set to the top in tunnel, and the surrounding of plain concrete wall constitutes a closed space；The first end of plain concrete wall is close to the end of fender post, and second end is located on tunnel；Dewatering well is set between tunnel and plain concrete wall, and the depth of dewatering well protrudes into water barrier；The beneficial effects of the utility model are: plain concrete wall is arranged in the junction of tunnel and station liner, in plain concrete, the stability on stratum near built-in portal is can be improved in precipitation within the walls, has good effect under the geological conditions of watery layer of sand；Built-in portal can prevent from applying the sediment failure of end during portal.
Description
Technical field
The utility model belongs to subway work technical field, and in particular to a kind of shield tunnel reception device.
Background technique
Shield tunnel is widely used to solve the engineerings such as traffic tunnel, drainage pipeline, pipeline tunnel at present.Although
Many Shield Construction Technique experiences are had accumulated, but shield launching and arrival construction are the critical stages during shield-tunneling construction, by
It is different from shield in its boundary condition normally to tunnel, shield end construction is poor by excavation face equilibrium condition, stablizes excavation face
Generate different degrees of adverse effect, while tip position tunnel earthing is shallow, especially receiving end, portal pour during directly with
The soil body is connected to outside hole, is easy to happen Sand in shield well, and earth's surface deformation is excessive, or even the accidents such as collapsing.To find out its cause, more
It is to have the case where compared with thick sand bed excavating in coverage since the stability on end stratum fails caused by being effectively controlled
Under, the method for reseptance of shield tunnel is particularly important.To reduce construction risk, need according to engineering geological condition, underground water, shield
The conditions such as type, thickness of earth covering, portal sealing select suitable method of reseptance.
Shield tunnel end soil body reinforcement means mainly has at present: precipitation method, mixing pile or rotary churning pile are reinforced, slip casting adds
Gu, SMW method, consolidation by freezing and composite reinforcement etc..Shield, which receives, generally uses external cast-in-place portal.
Level of ground water is high, in stratum of good water permeability using the reliability of single reinforcing method not high, composite reinforcement side
Case easily ignores the matching and applicability between different schemes, in conjunction with ineffective.When consolidation effect reliability is not high, according to
External portal, water fender is cut off during portal pours will cause portal exposure, easily cause the accident of Sand.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of shield tunnel reception device, solve ground
Tunnel end reinforces insecure technical problem under the poor environment of matter.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme:
A kind of shield tunnel reception device, plain concrete wall including tunnel, for being reinforced to tunnel end are gone along with sb. to guard him
Stake, station liner and dewatering well；The fender post is set to the junction in the tunnel Yu the station liner, the fender post
It is close to the station liner setting；The plain concrete wall is set to the top in tunnel, and the surrounding of plain concrete wall constitutes one
Closed space；The first end of plain concrete wall is close to the end of fender post, and second end is located on the tunnel；The dewatering well
It is set between tunnel and plain concrete wall, and the depth of dewatering well protrudes into water barrier.
More preferably, the plain concrete wall is in cube.
It more preferably, further include that rotary churning pile is reinforced, it includes that the first rotary churning pile is reinforced and the second rotary churning pile that the rotary churning pile, which is reinforced,
It reinforces；First rotary churning pile, which is reinforced, is close to the fender post setting, and is located at the inside of the plain concrete wall, for cooperating
Fender post uses；Second rotary churning pile reinforces the outside for being set to the plain concrete wall, and is located at connecing for plain concrete wall
At seam.
It more preferably, further include built-in portal and bottom plate, the built-in portal is set in outside the tunnel, and built-in portal is in ring
Shape；The bottom plate is connect with built-in portal by reinforcing bar.
It more preferably, further include water-swellable sealing rod, the water-swellable sealing rod is set to the tunnel and institute
State the seam crossing of built-in portal.
It more preferably, further include steel loop, the steel loop is set to the end in the tunnel, and is located inside built-in portal.
The beneficial effects of the utility model are: plain concrete wall is set in the junction of tunnel and station liner, it is mixed in element
The stability on stratum near built-in portal can be improved in precipitation in solidifying cob wall, has under the geological conditions of watery layer of sand good
Effect；Built-in portal can prevent from applying the sediment failure of end during portal.
Detailed description of the invention
Fig. 1 is the top view of the utility model shield tunnel reception device；
Fig. 2 is the A-A sectional view in the utility model shield tunnel reception device Fig. 1；
Fig. 3 is the B-B sectional view in the utility model shield tunnel reception device Fig. 2.
Wherein:
The tunnel 1-, 2- plain concrete wall, 21- first end, 22- second end, 3- fender post, the station 4- liner, 5- dewatering well,
6- rotary churning pile is reinforced, the first rotary churning pile of 61- is reinforced, the second rotary churning pile of 62- is reinforced, portal, 8- bottom plate, 9- reinforcing bar, 10- built in 7-
Water-swellable sealing rod, 11- steel loop.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1-3, the utility model provides a kind of shield tunnel reception device, including tunnel 1, for tunnel 1
Plain concrete wall 2, fender post 3, station liner 4 and the dewatering well 5 that end is reinforced；Fender post 3 is set to tunnel 1 and station
The junction of liner 4, fender post 3 are close to station liner 4 and are arranged；Plain concrete wall 2 is set to the top in tunnel 1, plain concrete
The surrounding of wall 2 constitutes a closed space；The end of the abutting fender post 3 of first end 21 of plain concrete wall 2, second end 22
In on tunnel 1；Dewatering well 5 is set between tunnel 1 and plain concrete wall 2, and the depth of dewatering well 5 protrudes into water barrier.Element is mixed
Solidifying cob wall 2 is in cube.Reinforcing scope is enclosed using plain concrete wall 2 and is covered, in the top view of Fig. 1, the side of plain concrete 2
Boundary is outer three meters or more of 1 outer diameter two sides of tunnel, and depth is three meters of 1 bottom of tunnel or less, first end 21 apart from second end 22 at least
Ten meters.It is covered in range in enclosing for plain concrete wall 2, dewatering well 5 is set according to a fixed spacing.This kind of structure is in the layer of sand for being rich in water
Using effect is preferable under geological conditions.
Shield tunnel reception device further includes that rotary churning pile reinforces 6, and it includes that the first rotary churning pile reinforces 61 and that rotary churning pile, which reinforces 6,
Two rotary churning piles reinforce 62；First rotary churning pile reinforces 61 and is close to the setting of fender post 3, positioned at the inside of plain concrete wall 2, with fender post
3 with the use of for preventing in Groundwater infiltration station liner 4；Second rotary churning pile reinforces 62 and is set to the outer of plain concrete wall 2
Side, and it is located at the seam crossing of plain concrete wall 2.The advantages of this kind of structure is to prevent Groundwater infiltration, improves safety.
Shield tunnel reception device further includes that built-in portal 7 and bottom plate 8, built-in portal 7 are set in outside tunnel 1, built-in hole
Door 7 is annular in shape；Bottom plate 8 is connect with built-in portal 7 by reinforcing bar 9.The advantages of this kind of structure is to use built-in portal
Shield tunnel reception device further includes steel loop 11, and steel loop 11 is set to 1 end of tunnel, and is located in built-in portal
Portion.
Shield tunnel reception device further includes water-swellable sealing rod 10, and water-swellable sealing rod 10 is set to described
At the gap of tunnel and built-in portal 7.The advantages of this kind of structure, deforms for water-swellable, irregular surface, sky full of seam
Cave and gap, while huge contact pressure is generated, it prevents from leaking.
The beneficial effects of the utility model are: plain concrete wall is set in the junction of tunnel and station liner, it is mixed in element
The stability on stratum near built-in portal can be improved in precipitation in solidifying cob wall, has under the geological conditions of watery layer of sand good
Effect；Built-in portal can prevent from applying the sediment failure of end during portal.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (6)
1. a kind of shield tunnel reception device, which is characterized in that including tunnel, the plain coagulation for being reinforced to tunnel end
Cob wall, fender post, station liner and dewatering well；The fender post is set to the junction in the tunnel Yu the station liner,
The fender post is close to the station liner setting；
The plain concrete wall is set to the top in tunnel, and the surrounding of plain concrete wall constitutes a closed space；Plain coagulation
The first end of cob wall is close to the end of fender post, and second end is located on the tunnel；
The dewatering well is set between tunnel and plain concrete wall, and the depth of dewatering well protrudes into water barrier.
2. shield tunnel reception device according to claim 1, which is characterized in that the plain concrete wall is in cube.
3. shield tunnel reception device according to claim 1, which is characterized in that it further include that rotary churning pile is reinforced, the rotation
Spraying stake and reinforcing includes that the reinforcing of the first rotary churning pile and the second rotary churning pile are reinforced；
First rotary churning pile, which is reinforced, is close to the fender post setting, and is located at the inside of the plain concrete wall, with fender post
It is used cooperatively；
Second rotary churning pile reinforces the outside for being set to the plain concrete wall, and is located at the seam crossing of plain concrete wall.
4. shield tunnel reception device according to claim 1, which is characterized in that further include built-in portal and bottom plate, institute
It states built-in portal to be set in outside the tunnel, built-in portal is annular in shape；The bottom plate is connect with built-in portal by reinforcing bar.
5. shield tunnel reception device according to claim 4, which is characterized in that it further include water-swellable sealing rod,
The water-swellable sealing rod is set to the seam crossing in the tunnel and the built-in portal.
6. shield tunnel reception device according to claim 5, which is characterized in that it further include steel loop, the steel loop setting
In the end in the tunnel, and it is located inside built-in portal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820500355.0U CN208364131U (en) | 2018-04-10 | 2018-04-10 | A kind of shield tunnel reception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820500355.0U CN208364131U (en) | 2018-04-10 | 2018-04-10 | A kind of shield tunnel reception device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364131U true CN208364131U (en) | 2019-01-11 |
Family
ID=64922477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820500355.0U Active CN208364131U (en) | 2018-04-10 | 2018-04-10 | A kind of shield tunnel reception device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464150A (en) * | 2021-08-13 | 2021-10-01 | 中国建设基础设施有限公司 | Shield end reinforcing structure and reinforcing construction method |
-
2018
- 2018-04-10 CN CN201820500355.0U patent/CN208364131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464150A (en) * | 2021-08-13 | 2021-10-01 | 中国建设基础设施有限公司 | Shield end reinforcing structure and reinforcing construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiandong Inventor after: Nong Xingzhong Inventor after: Shi Haiou Inventor after: Liu Xin Inventor after: Liu Xin Inventor before: Liu Xiandong Inventor before: Nong Xingzhong Inventor before: Shi Haiou Inventor before: Liu Xin Inventor before: Liu Xin |
|
| CB03 | Change of inventor or designer information |