CN209277895U - A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure - Google Patents
A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure Download PDFInfo
- Publication number
- CN209277895U CN209277895U CN201822021412.XU CN201822021412U CN209277895U CN 209277895 U CN209277895 U CN 209277895U CN 201822021412 U CN201822021412 U CN 201822021412U CN 209277895 U CN209277895 U CN 209277895U
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- Prior art keywords
- anchor pile
- pipe canopy
- oriented
- connection structure
- wall
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Abstract
The utility model relates to technical field of tunnel construction, more specifically, it is related to a kind of tunnel portal anchor pile and pipe canopy is oriented to wall connection structure, connecting elements and concrete rib are provided on anchor pile, pipe canopy can be oriented to wall and anchor pile is connected as an entirety, whole force structure system is formed, pipe canopy guiding wall is reduced and collapses the risk of arch, improve the stability at hole.
Description
Technical field
The utility model relates to technical field of tunnel construction, more specifically, are related to a kind of tunnel portal anchor pile and pipe
Canopy is oriented to wall connection structure.
Background technique
What is be most widely used in tunnel portal reinforcement measure is exactly steel tube shed, and guiding wall has stable Tunnel slope concurrently
Effect, big arch springing need to be generally arranged to increase the stability of guiding wall in its arch springing when guiding wall is constructed.When geological conditions is more special
Very, such as landslide location, high slope location, soft rock strata special geologic condition when, hole generally also needs to add anchor pile, anchoring
Stake setting position is normally at portal headwall two sides, because of structure stress reason, abuts lining cutting outer profile generally to increase headwall
Stability, this kind of situation down tube canopy guiding wall can not be arranged big arch springing because anchor pile is relatively close apart from lining cutting outer profile, stablize
Property it is many compared with the guiding wall bottom that big arch springing is arranged, there are biggish security risks, and domestic published technology is unknown at present
Really how this kind of situation down tube canopy guiding wall stability solves.
Utility model content
In the presence of overcoming the shortcomings of the prior art, the utility model provides a kind of tunnel portal anchor pile and Guan Peng
It is oriented to wall connection structure, reducing pipe canopy guiding wall, big arch springing bring security risk can not be arranged because of anchor pile.
In order to solve the above-mentioned technical problem, the technology employed by the present utility model is
A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure, it is characterised in that: including pipe canopy guiding wall, connection
Component and anchor pile, the pipe canopy guiding are provided with shaped steel arch within the walls, and the shaped steel arch outer rim is provided with junction steel plate, institute
The one end for stating junction steel plate and the connecting elements is bolted, and the other end of the connecting elements is embedded in the anchoring
In stake, the anchor pile and pipe canopy guiding wall coupling part are provided with concrete rib, and the effect of the concrete rib is to increase pipe
The bite force of canopy guiding wall and anchor pile.
Further, the pipe canopy guiding wall is by equally distributed along the equally distributed shaped steel arch of line direction, circumferential direction
Guide pipe, circumferential equally distributed connection reinforcing bar and coagulation local soil type at.
Further, the pipe canopy guiding wall and its vertical dimension >=1.2m of anchor pile coupling part.
Further, the anchor pile is being provided with twice concrete rib up and down, per pass with pipe canopy guiding wall join domain
Concrete rib is made of longitudinal equally distributed Multi-section concrete rib.
Further, the per pass concrete rib sectional dimension is that 20cm(is lateral) × 30cm(is vertical), described one section is mixed
The longitudinal size of solidifying soil rib is 30cm, and clear spacing is not less than 30cm between the twice concrete rib up and down is vertical.
Further, the concrete rib is poured with anchor pile concrete synchronous, is formed whole.
Further, the connecting elements is located among twice anchor pile concrete rib in vertical direction.
Further, the connecting elements is I20 fashioned iron.
Further, the connecting elements is longitudinally uniformly distributed along route.
Further, the connecting elements is to anchor the half of stake body cross-sectional width in the embedment length of anchor pile.
Compared with prior art, it is had the beneficial effect that possessed by the utility model
The utility model provides a kind of tunnel portal anchor pile and pipe canopy is oriented to wall connection structure, is arranged on anchor pile
Pipe canopy can be oriented to wall and anchor pile be connected as entirety, form whole force structure body by connecting elements and concrete rib
System reduces pipe canopy guiding wall and collapses the risk of arch, improves the stability at hole.
Detailed description of the invention
Fig. 1 is that a kind of tunnel portal anchor pile and pipe canopy provided by the invention are oriented to wall attachment structure schematic diagram；
Fig. 2 is connection structure construction schematic diagram；
Fig. 3 is connecting portion structural schematic diagram.
In figure: 1 being pipe canopy guiding wall, 2 be shaped steel arch, 3 be guide pipe, 4 be anchor pile, 5 be connecting elements, 6 be mixed
Solidifying soil rib, 7 be retaining wall, 8 be cystosepiment, 9 be junction steel plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, a kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure, including pipe canopy is oriented to wall 1, connects
Connection member 5 and anchor pile 4, the pipe canopy are oriented in wall 1 and are provided with shaped steel arch 2, and 2 outer rim of shaped steel arch is provided with connection
One end of steel plate 9, the junction steel plate 9 and the connecting elements 5 is bolted, and the other end of the connecting elements 5 buries
In the anchor pile 4, the anchor pile 4 is provided with concrete rib 6 with pipe canopy guiding 1 coupling part of wall.The pipe canopy is led
To wall 1 by along the equally distributed shaped steel arch 2 of line direction, circumferential equally distributed guide pipe 3, circumferential equally distributed connection
Reinforcing bar and coagulation local soil type at.Pipe canopy guiding wall 1 and its vertical dimension >=1.2m of 4 coupling part of anchor pile, wherein a >=
The guiding wall outer profile B point of 50cm, b >=50cm, highest point A and design is tangent.The anchor pile 4 is being oriented to wall 1 with pipe canopy
Join domain is provided with twice concrete rib 6 up and down, and per pass concrete rib 6 is by longitudinal equally distributed 6 groups of Multi-section concrete rib
At.6 sectional dimension of per pass concrete rib is that 20cm(is lateral) × 30cm(is vertical), the longitudinal direction of the section concrete rib 6
Having a size of 30cm, clear spacing is not less than 30cm between the twice concrete rib 6 up and down is vertical.The concrete rib 6 and anchoring
4 concrete synchronous of stake pour, and are formed whole.The connecting elements 5 is located in twice anchor pile concrete rib 6 in vertical direction
Between.The connecting elements 5 is processed by H profile steel, and model is greater than I20.The connecting elements 5 is longitudinally uniformly distributed along route.Institute
Connecting elements 5 is stated in the half that the embedment length of anchor pile 4 is 4 pile body cross-sectional width of anchor pile.
In the present embodiment, the construction method of tunnel portal anchor pile and pipe canopy guiding wall connection structure, including following step
It is rapid:
S1, in strict accordance with the technique of " piecewise excavations, piecewise supporting, paragraph by paragraph measurement " construction of anchor pile 4 is carried out first；
S2, when anchor pile 4 be excavated to design pipe canopy guiding 1 join domain of wall when, stop anchor pile 4 excavate, using whole station
Instrument, level carry out accurate setting-out to concrete rib 6,5 specific location of connecting elements, and in making mark on retaining wall 7；
Determine whether the join domain once excavates in place according to geological condition after the completion of S3, setting-out, after the completion of excavation, root
Concrete rib 6 and 5 position of connecting elements, concrete rib 6,5 position of connecting elements is accurately positioned according to the mark of upper segment setting-out
The cystosepiment 8 for being all made of pre-buried identical size is handled, and the binding and template installation of 7 reinforcing bar of retaining wall are carried out after the completion of burying,
Template carries out the review of each reserved location again after being installed, confirmation bias meets the requirements after-pouring concrete；
By normal procedure constructed residual segment until the excavation of anchor pile 4, retaining wall 7 are all complete after S4,7 concrete demoulding of retaining wall
At, pre-buried cystosepiment 8 is removed after the completion of reinforcing bar binding, the connecting elements 5 of prefabricated machine-shaping is installed to reserving hole,
Its reserved section gap is blocked using mortar, and connecting elements 5 and 4 reinforcing bar of anchor pile are welded, concreting is prevented
There is deviation in position in the process, carries out concreting afterwards；
S5, anchor pile 4 construction after the completion of carry out hole face upward slope construction, face upward slope be excavated to pipe canopy guiding 1 arch springing height of wall after
Stop excavating, 4 retaining wall of anchor pile, 7 concrete be removed using quartering hammer, exposed 5 periphery concrete of connecting elements is artificial
It is cut using pneumatic pick；
Shaped steel arch installation 2 in pipe canopy guiding wall 1 is carried out after S6, surveying and locating, shaped steel arch 2 passes through with connecting elements 5
Bolt is attached, and is reinforced between shaped steel arch 2 by longitudinally connected reinforcing bar, carries out the peace of guide pipe 3, template after the completion
Dress；
S6, template pour pipe canopy guiding pipe concrete through acceptance(check) after being installed.
Only the preferred embodiment of the utility model is explained in detail above, but the utility model be not limited to it is above-mentioned
Embodiment can also not depart from the utility model aims within the knowledge of a person skilled in the art
Under the premise of various changes can be made, various change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure, it is characterised in that: including pipe canopy guiding wall (1), even
Connection member (5) and anchor pile (4), pipe canopy guiding wall (1) is interior to be provided with shaped steel arch (2), shaped steel arch (2) outer rim
It is provided with junction steel plate (9), the junction steel plate (9) and one end of the connecting elements (5) are bolted, the connection
The other end of component (5) is embedded in the anchor pile (4), the anchor pile (4) and wall (1) the coupling part setting of pipe canopy guiding
There are concrete rib (6).
2. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that: institute
Pipe canopy guiding wall (1) is stated by along the equally distributed shaped steel arch of line direction (2), circumferential equally distributed guide pipe (3), circumferential direction
Equally distributed connection reinforcing bar and coagulation local soil type at.
3. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that: institute
State pipe canopy guiding wall (1) and its vertical dimension >=1.2m of anchor pile (4) coupling part.
4. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that: institute
It states anchor pile (4) and pipe canopy guiding wall (1) join domain is being provided with twice concrete rib (6) up and down, per pass concrete rib (6)
It is made of longitudinal equally distributed Multi-section concrete rib (6).
5. a kind of tunnel portal anchor pile according to claim 1 or 4 and pipe canopy are oriented to wall connection structure, feature exists
In: per pass concrete rib (6) the section lateral dimension be 20cm, vertical dimension 30cm, the section concrete rib (6)
Longitudinal size is 30cm, and clear spacing is not less than 30cm between the twice concrete rib (6) up and down is vertical.
6. a kind of tunnel portal anchor pile according to claim 1 or 4 and pipe canopy are oriented to wall connection structure, feature exists
In: the concrete rib (6) pours with anchor pile (4) concrete synchronous, is formed whole.
7. a kind of tunnel portal anchor pile according to claim 1 or 4 and pipe canopy are oriented to wall connection structure, feature exists
In: the connecting elements (5) is located among twice anchor pile concrete rib (6) in vertical direction.
8. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that: institute
Stating connecting elements (5) is I20 fashioned iron.
9. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that: institute
Connecting elements (5) is stated longitudinally to be uniformly distributed along route.
10. a kind of tunnel portal anchor pile according to claim 1 and pipe canopy are oriented to wall connection structure, it is characterised in that:
The connecting elements (5) is in the half that the embedment length of anchor pile (4) is anchor pile (4) pile body cross-sectional width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021412.XU CN209277895U (en) | 2018-12-04 | 2018-12-04 | A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021412.XU CN209277895U (en) | 2018-12-04 | 2018-12-04 | A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277895U true CN209277895U (en) | 2019-08-20 |
Family
ID=67609834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822021412.XU Expired - Fee Related CN209277895U (en) | 2018-12-04 | 2018-12-04 | A kind of tunnel portal anchor pile and pipe canopy are oriented to wall connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277895U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145204A (en) * | 2020-10-13 | 2020-12-29 | 侯江伟 | A direction creeps into formula pipe canopy for secretly dig passageway |
| CN112780298A (en) * | 2020-12-31 | 2021-05-11 | 广东省交通规划设计研究院股份有限公司 | Assembled tunnel shallow-buried section shed tunnel structure and tunnel construction method |
| CN113417659A (en) * | 2021-06-22 | 2021-09-21 | 中国建筑第二工程局有限公司 | Pile-arch integrated protection structure for shallow-buried bias tunnel portal and construction method |
-
2018
- 2018-12-04 CN CN201822021412.XU patent/CN209277895U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145204A (en) * | 2020-10-13 | 2020-12-29 | 侯江伟 | A direction creeps into formula pipe canopy for secretly dig passageway |
| CN112780298A (en) * | 2020-12-31 | 2021-05-11 | 广东省交通规划设计研究院股份有限公司 | Assembled tunnel shallow-buried section shed tunnel structure and tunnel construction method |
| CN112780298B (en) * | 2020-12-31 | 2023-12-22 | 广东省交通规划设计研究院集团股份有限公司 | Tunnel construction method using fabricated tunnel shallow buried section shed tunnel structure |
| CN113417659A (en) * | 2021-06-22 | 2021-09-21 | 中国建筑第二工程局有限公司 | Pile-arch integrated protection structure for shallow-buried bias tunnel portal and construction method |
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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: 20190820 Termination date: 20211204 |