CN209652904U - A kind of vertical pre-reinforcement processing structure for massif tunnel excavation - Google Patents
A kind of vertical pre-reinforcement processing structure for massif tunnel excavation Download PDFInfo
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- CN209652904U CN209652904U CN201920204507.7U CN201920204507U CN209652904U CN 209652904 U CN209652904 U CN 209652904U CN 201920204507 U CN201920204507 U CN 201920204507U CN 209652904 U CN209652904 U CN 209652904U
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- reinforcing
- reinforcing pile
- pile
- tunnel
- tunnel excavation
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a kind of vertical pre-reinforcement processing structures for massif tunnel excavation, belong to tunnelling technical field of construction, including reinforcing cave, the reinforcing cave is provided at tunnel center, it is connected at the top of the reinforcing cave with the vertical passageway, basis is equipped in the reinforcing cave, the ground beneath is fixedly connected with the reinforcing pile I for underpinning, the basis top is fixedly connected with reinforced column, the reinforced column extends at the top of the vertical passageway along the vertical passageway, it is fixed at the top of the vertical passageway at the top of the reinforced column by the reinforcing pile II；II top of reinforcing pile is equipped with a plurality of reinforcing pile III along tunnel top；Vertical pre-reinforcement processing structure provided by the utility model, construction is simple are carried out reinforcement measure before tunnel excavation, are also reinforced during excavation to the region newly dug out, and the stability of tunnel surrounding and the safety of tunnel excavation construction are improved.
Description
Technical field
The utility model belongs to tunnelling technical field of construction, and in particular to a kind of for the vertical of massif tunnel excavation
Pre-reinforcement processing structure.
Background technique
Tunnel easily causes rock stratum around during excavation and changes, and causes to deform, bad stability, to tunnel
Safe construction causes serious security threat.Therefore, it needs to carry out consolidation process to tunnel when constructing tunnel, at present using more
Reinforcement measure have slip casting, ductule, front bolt anchorage measure, but there is drawback, for example, grouting operation execution conditions
It is higher, it is easy to since construction wrong causes to crack, in turn result in spillage problem.Therefore it is simple and add to provide a kind of construction method
Gu the good pre-reinforcement processing structure of effect is necessary.
Utility model content
The purpose of the utility model is to provide a kind of vertical pre-reinforcement processing structures for massif tunnel excavation, solve
The problem of the complexity of tunnel pre-reinforcement construction at present and consolidation effect difference.
The utility model is the technical scheme adopted is that a kind of vertical pre-reinforcement for massif tunnel excavation handles knot
Structure, including reinforce cave, vertical passageway, basis, reinforced column, reinforcing pile I, reinforcing pile II and reinforcing pile III, the reinforcing cave and open up
At tunnel center, be connected at the top of the reinforcing cave with the vertical passageway, equipped with basic in the reinforcings cave, it is described it is basic under
Side is fixedly connected with the reinforcing pile I for underpinning, and the basis top is fixedly connected with reinforced column, and the reinforced column is along institute
It states vertical passageway to extend at the top of the vertical passageway, the reinforced column top is fixed on described vertical by the reinforcing pile II
Channel roof；A plurality of reinforcing pile III is equipped with above the reinforcing pile II, a plurality of reinforcing pile III is both secured to tunnel top.
The utility model is also characterized by the reinforcing pile I is root pile.
The utility model is also characterized by the reinforcing pile II is root pile.
The utility model is also characterized by the reinforcing pile III is root pile.
The utility model is also characterized by the reinforcing pile III is in dispersed along the soil body above tunnel excavation contour line
It is distributed in rock-soil layer.
The utility model is also characterized by the reinforcing pile III is above tunnel excavation contour line along the fan-shaped shape of the soil body
It is distributed in rock-soil layer.
The utility model is also characterized by the reinforcing pile III is the steel pipe filled with air-free concrete.
The beneficial effects of the utility model are: going out to reinforce cave in tunnel central excavation first, reinforcing in tunnel excavation
Vertical passageway is excavated out on cave top, is reinforcing installation foundation below cave, and the bottom installation root pile on basis is reinforced, and is improved
The bearing capacity on basis；Reinforced column is installed to be mounted at the top of reinforced column on the basis of the bottom of reinforced column is mounted in vertical passageway
The top of vertical passageway；The construction and excavation at left and right sides of the top of Vertical Channel, with the process of excavation, at the top of tunnel arch
Drill hole of drilling machine, then descending reinforcing cage can be used on the rock stratum on top, reinject the form setting reinforcing pile of concrete, it can be effectively
The intensity of tunnel contour line top geotechnical structure during raising tunnel excavation；Then rest part in tunnel is dug again
It removes, and is laid with waterproof layer in tunnel；Reinforcing pile, basis are removed, complete tunnel domes are formed；It is provided by the utility model
Vertical pre-reinforcement processing structure, construction is simple carry out reinforcement measure before tunnel excavation, to the area newly dug out during excavation
Domain is also reinforced, and the stability of tunnel surrounding and the safety of tunnel excavation construction are improved.
Detailed description of the invention
Fig. 1 is the reinforcing cave of the vertical pre-reinforcement processing structure provided by the utility model for massif tunnel excavation and erects
To channel design figure；
Fig. 2 is basis and I connection relationship diagram of reinforcing pile；
Fig. 3 is tunnel domes schematic diagram；
Fig. 4 is III schematic diagram of reinforcing pile.
Description of symbols:
1, reinforcing cave, 2, vertical passageway, 3, basis, 4, reinforcing pile I, 5, reinforced column, 6, reinforcing pile II, 7, reinforcing pile III,
8, domes, 9, tunnel surrounding.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
A kind of vertical pre-reinforcement processing structure for massif tunnel excavation as shown in Figs 1-4, including reinforces cave 1, vertical
Channel 2, basis 3, reinforced column 5, reinforcing pile I 4, reinforcing pile II 6 and reinforcing pile III 7, the reinforcing cave 1 are provided with tunnel center
Place, 1 top of reinforcing cave are connected to the vertical passageway 2, and basis 3 is equipped in the reinforcing cave 1, and basic 3 lower section is solid
Surely it is connected with the reinforcing pile I 4 for underpinning 3, the reinforcing pile I 4 is root pile, and basic 3 top is fixedly connected with
Reinforced column 5, the reinforced column 5 extend to 2 top of vertical passageway along the vertical passageway 2, pass through at the top of the reinforced column 5
The reinforcing pile II 6 is fixed on 2 top of vertical passageway；The reinforcing pile II 6 is root pile, II 6 top of reinforcing pile
It is equipped with a plurality of reinforcing pile III 7 along tunnel top, the reinforcing pile III 7 is root pile, and the reinforcing pile III 7 is along tunnel excavation profile
It is distributed in rock-soil layer along the soil body in dispersed above line.
Further, in order to improve the stability of tunnel top country rock, the reinforcing pile III 7 is along tunnel excavation contour line
Side is distributed in rock-soil layer along the fan-shaped shape of the soil body, and the reinforcing pile III 7 is the steel pipe filled with air-free concrete.
The application method of the utility model: in tunnel excavation, the central excavation first in tunnel goes out to reinforce cave 1, is adding
Gu vertical passageway 2 is excavated out on 1 top of cave, installation foundation 3 below cave 1 is being reinforced, the bottom installation reinforcing pile I 4 on basis 3 carries out
It reinforces, reinforcing pile I 4 is root pile, improves the bearing capacity on basis 3；Reinforced column 5, the bottom of reinforced column 5 are installed in vertical passageway 2
It is mounted on basis 3, the bottom of reinforced column 5 is that movable end is mounted on basis 3, and the top of reinforced column 5 is pacified by reinforcing pile II 6
Mounted in the top of vertical passageway 2；At left and right sides of the top of Vertical Channel 2 construction and excavation goes out domes 8, with excavation into
Drill hole of drilling machine, then descending reinforcing cage can be used on the tunnel surrounding 9 on 8 top top of domes, reinject concrete for journey
Reinforcing pile III 7 is arranged in form, can effectively improve the strong of the 8 top geotechnical structure of domes in tunnel during tunnel excavation
Degree；Then excavate by rest part in tunnel, and be laid with waterproof layer；Reinforcing pile 5, basis 3 are removed, complete tunnel is formed
The domes 8 in road；Vertical pre-reinforcement processing structure provided by the utility model, construction is simple carry out reinforcing before tunnel excavation
Measure also reinforces the region newly dug out during excavation, improves the stability and tunnel excavation of tunnel surrounding
The safety of construction.
Disclosed above is only specific embodiment of the utility model, and still, the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (7)
1. a kind of vertical pre-reinforcement processing structure for massif tunnel excavation, which is characterized in that including reinforcing cave (1), vertically
Channel (2), basic (3), reinforced column (5), reinforcing pile I (4), reinforcing pile II (6) and reinforcing pile III (7), the reinforcing cave (1) are opened
It is located at tunnel center, is connected at the top of the reinforcing cave (1) with the vertical passageway (2), basis is equipped in the reinforcing cave (1)
(3), it is fixedly connected with the reinforcing pile I (4) for underpinning (3) below described basic (3), is fixed at the top of the basis (3)
It is connected with reinforced column (5), the reinforced column (5) extends at the top of the vertical passageway (2) along the vertical passageway (2), described
It is fixed at the top of the vertical passageway (2) at the top of reinforced column (5) by the reinforcing pile II (6)；Above the reinforcing pile II (6)
Equipped with a plurality of reinforcing pile III (7), a plurality of reinforcing pile III (7) is both secured to tunnel top.
2. the vertical pre-reinforcement processing structure according to claim 1 for massif tunnel excavation, which is characterized in that described
Reinforcing pile I (4) is root pile.
3. the vertical pre-reinforcement processing structure according to claim 1 for massif tunnel excavation, which is characterized in that described
Reinforcing pile II (6) is root pile.
4. the vertical pre-reinforcement processing structure according to claim 1 for massif tunnel excavation, which is characterized in that described
Reinforcing pile III (7) is root pile.
5. the vertical pre-reinforcement processing structure according to claim 4 for massif tunnel excavation, which is characterized in that described
Reinforcing pile III (7) is distributed in rock-soil layer along the soil body in dispersed above tunnel excavation contour line.
6. the vertical pre-reinforcement processing structure according to claim 4 for massif tunnel excavation, which is characterized in that described
Reinforcing pile III (7) is distributed in rock-soil layer above tunnel excavation contour line along the fan-shaped shape of the soil body.
7. the vertical pre-reinforcement processing structure according to claim 4 for massif tunnel excavation, which is characterized in that described
Reinforcing pile III (7) is the steel pipe filled with air-free concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204507.7U CN209652904U (en) | 2019-02-18 | 2019-02-18 | A kind of vertical pre-reinforcement processing structure for massif tunnel excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204507.7U CN209652904U (en) | 2019-02-18 | 2019-02-18 | A kind of vertical pre-reinforcement processing structure for massif tunnel excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209652904U true CN209652904U (en) | 2019-11-19 |
Family
ID=68524416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920204507.7U Expired - Fee Related CN209652904U (en) | 2019-02-18 | 2019-02-18 | A kind of vertical pre-reinforcement processing structure for massif tunnel excavation |
Country Status (1)
| Country | Link |
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| CN (1) | CN209652904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233336A (en) * | 2021-11-03 | 2022-03-25 | 中交一公局集团有限公司 | Tree-shaped steel pipe pile for supporting arch springing of soft foundation arch in tunnel and construction process thereof |
-
2019
- 2019-02-18 CN CN201920204507.7U patent/CN209652904U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233336A (en) * | 2021-11-03 | 2022-03-25 | 中交一公局集团有限公司 | Tree-shaped steel pipe pile for supporting arch springing of soft foundation arch in tunnel and construction process thereof |
| CN114233336B (en) * | 2021-11-03 | 2024-01-30 | 中交一公局集团有限公司 | Tree-shaped steel pipe pile for supporting arch springing of soft foundation arch frame in tunnel and construction process of tree-shaped steel pipe pile |
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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: 20191119 Termination date: 20210218 |