CN206111222U - A annular prestressing force support for preventing circular tunnel deformation of side opening - Google Patents
A annular prestressing force support for preventing circular tunnel deformation of side opening Download PDFInfo
- Publication number
- CN206111222U CN206111222U CN201620968390.6U CN201620968390U CN206111222U CN 206111222 U CN206111222 U CN 206111222U CN 201620968390 U CN201620968390 U CN 201620968390U CN 206111222 U CN206111222 U CN 206111222U
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- China
- Prior art keywords
- arc
- flange plate
- internal ring
- connecting plate
- plate
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Abstract
The utility model discloses an annular prestressing force support for preventing circular tunnel deformation of side opening, including at least three arc subassembly, every arc subassembly includes at least one arc intermediate member and two arc tip components, arc intermediate member and arc tip component all are equipped with the inner ring flange plate, outer loop flange plate and well intersternite, at the inner ring flange plate, be equipped with the reinforced rib plate between outer loop flange plate and the well intersternite, be equipped with the support on the outer loop flange plate, outer end at arc tip component is equipped with the backup pad, between two adjacent arc intermediate members and through inner ring connecting plate I between adjacent arc intermediate member and the arc tip component, web connecting plate and outer loop connecting plate are connected, two adjacent arc subassemblies pass through II connections of inner ring connecting plate, are equipped with the jack between two adjacent arc subassemblies. The utility model discloses the additional deformation who can control channel excavation process produces tunnel segment, the opening both sides tunnel segment safety of ensureing to incline.
Description
Technical field
This utility model is related to a kind of prestress stent for preventing tunnel deformation, particularly a kind of for preventing side opening from justifying
The annular prestressed support of shape tunnel deformation.
Background technology
Service channel is generally set between two Parallel Tunnels of city underground, and service channel plays connection, draining and fireproof
Effect.Section is rectangle, circular or stalk arch, typically located at running tunnel middle part.Construction method can adopt cut and cover method, the soil body
Reinforce subsurface excavation method, pipe shed method and small-sized shield method etc..Freezing process wherein in soil stabilization subsurface excavation method is gradually employed in recent years
In Urban Metro Construction.The Construction Principle of freezing process is：Using refrigeration piping by freezing soil on the outside of service channel, formed and frozen
Knot wall, it is ensured that top and side soil layer are stablized during ground settlement and tunnel.But need dismounting passage attached in ground settlement and tunnel process
The tunnel duct piece constructed in nearly tunnel, therefore need to arrange in the tunnel local positioned at passage both sides before service channel is excavated
Interim prestress stent, with the additional deformation that control passage digging process is produced to tunnel duct piece, it is ensured that the position section of jurisdiction safety.
The content of the invention
This utility model provides a kind of for preventing side opening circular to solve technical problem present in known technology
The annular prestressed support of tunnel deformation, the support can control passage digging process additional deformation that tunnel duct piece is produced,
Guarantee side opening both sides tunnel duct piece safety.
This utility model is adopted the technical scheme that to solve technical problem present in known technology：One kind is used to prevent
The only annular prestressed support of side opening circular tunnel deformation, including at least three ARCSs, each described ARCS bag
At least one arc intermediate member and two curved end components are included, the arc intermediate member and the curved end component are equal
Internal ring flange plate, outer shroud flange plate and middle pectoral plate are provided with, in the internal ring flange plate, the outer shroud flange plate and the centre
Deep floor is provided between web, on the outer shroud flange plate bearing is provided with, be provided with the outer end of the curved end component
Gripper shoe, the gripper shoe is arranged between the internal ring flange plate of the curved end component and the outer shroud flange plate,
Between two adjacent arc intermediate members and the adjacent arc intermediate member and the curved end component it
Between by internal ring connecting plate I, web connecting plate and outer shroud connecting plate connection；Two adjacent ARCSs pass through internal ring connecting plate
II connection, between two adjacent ARCSs jack is provided with.
The internal ring connecting plate I is arranged on the outside of the connected internal ring flange plate, the internal ring connecting plate II
It is arranged on the inner side of the connected internal ring flange plate.
M shape support is welded with the annular prestressed support.
This utility model has the advantages and positive effects that：Using the loop configuration assembled in tooling member outside hole, hole,
Stability Analysis of Structures, uniform force, intensity, rigidity reliability, can control passage digging process additional deformation that tunnel duct piece is produced,
Guarantee side opening both sides tunnel duct piece safety；Compact conformation, save space does not affect railcar to pass through；Internal stent axle power can
Part moment of flexure is offset, prestressing force scope can be applied larger；Installation, convenient disassembly, can carry out rotation adjustment by axle of tunnel center；
It is reusable after dismounting, can reduces cost, it is economical and practical, be worth in constructing tunnel promote.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is arc intermediate member structural representation of the present utility model；
Fig. 3 is curved end element structure schematic diagram of the present utility model.
In figure：1st, arc intermediate member；2nd, curved end component；3rd, internal ring flange plate；4th, outer shroud flange plate；5th, middle abdomen
Plate；6th, deep floor；7th, bearing；8th, gripper shoe；9th, internal ring connecting plate I；10th, web connecting plate；11st, outer shroud connecting plate；12nd, it is interior
Ring connecting plate II；13rd, jack, 14, angle steel, 15, tunnel.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinated
Accompanying drawing describes in detail as follows：
Refer to Fig. 1～Fig. 3, a kind of annular prestressed support for preventing side opening circular tunnel from deforming, including to
Few three ARCSs, each described ARCS includes at least one arc intermediate member 1 and two curved end components 2,
The arc intermediate member 1 and the curved end component 2 are equipped with internal ring flange plate 3, outer shroud flange plate 4 and middle pectoral plate 5,
Deep floor 6 is provided between the internal ring flange plate 3, the outer shroud flange plate 4 and the middle pectoral plate 5, in the outer shroud
Flange plate 6 is provided with bearing 7, and in the outer end of the curved end component 2 gripper shoe 8 is provided with, and the gripper shoe 8 is arranged on described
Between the internal ring flange plate 3 and the outer shroud flange plate 4 of curved end component 2, structure in the middle of two adjacent arcs
Pass through internal ring connecting plate I 9, abdomen between part 2 and between the adjacent arc intermediate member 1 and the curved end component 2
Plate connecting plate 10 and outer shroud connecting plate 11 connect；Two adjacent ARCSs are connected by internal ring connecting plate II 12, adjacent
Two ARCSs between be provided with jack 13.
In the present embodiment, the internal ring connecting plate I 9 is arranged on the outside of the connected internal ring flange plate 3, institute
State the inner side that internal ring connecting plate II 12 is arranged on the connected internal ring flange plate 3.This structure can make annular in advance should
The connection of power support is more stable, and inside is available for working space larger.In order to strengthen support of tunnel, can be at this annular prestressed
Welding M shape is supported in frame.
When using, two Pin prestress stents are respectively set in the side opening both sides in tunnel, two adjacent Pin in advance should in tunnel 15
Can do longitudinally connected using angle steel 14 between power support, to guarantee the stability of prestress stent.
Although being described to preferred embodiment of the present utility model above in conjunction with accompanying drawing, this utility model is not
Above-mentioned specific embodiment is confined to, above-mentioned specific embodiment is only schematic, is not restricted, ability
The those of ordinary skill in domain under enlightenment of the present utility model, without departing from this utility model objective and claimed
In the case of scope, many forms can also be made, these are belonged within protection domain of the present utility model.
Claims (3)
1. it is a kind of for prevent side opening circular tunnel deform annular prestressed support, it is characterised in that including at least three
ARCS, each described ARCS includes at least one arc intermediate member and two curved end components, the arc
Intermediate member and the curved end component are equipped with internal ring flange plate, outer shroud flange plate and middle pectoral plate, in the internal ring wing
Deep floor is provided between listrium, the outer shroud flange plate and the middle pectoral plate, on the outer shroud flange plate bearing is provided with,
Gripper shoe is provided with the outer end of the curved end component, the gripper shoe is arranged on the internal ring of the curved end component
Between flange plate and the outer shroud flange plate, between two adjacent arc intermediate members and in the adjacent arc
Between between component and the curved end component by internal ring connecting plate I, web connecting plate and outer shroud connecting plate connection；Adjacent
Two ARCSs are connected by internal ring connecting plate II, and between two adjacent ARCSs jack is provided with.
2. the annular prestressed support for preventing side opening circular tunnel from deforming according to claim 1, its feature exists
In the internal ring connecting plate I is arranged on the outside of the connected internal ring flange plate, and the internal ring connecting plate II is arranged on
The inner side of the connected internal ring flange plate.
3. the annular prestressed support for preventing side opening circular tunnel from deforming according to claim 1, its feature exists
In, be welded with the annular prestressed support M shape support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968390.6U CN206111222U (en) | 2016-08-27 | 2016-08-27 | A annular prestressing force support for preventing circular tunnel deformation of side opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620968390.6U CN206111222U (en) | 2016-08-27 | 2016-08-27 | A annular prestressing force support for preventing circular tunnel deformation of side opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111222U true CN206111222U (en) | 2017-04-19 |
Family
ID=58513538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620968390.6U Expired - Fee Related CN206111222U (en) | 2016-08-27 | 2016-08-27 | A annular prestressing force support for preventing circular tunnel deformation of side opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111222U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222978A (en) * | 2018-03-08 | 2018-06-29 | 中铁建大桥工程局集团第四工程有限公司 | A kind of metro shield driving freezes synchronization job belt stress stent system and installation method with service channel |
| CN109209401A (en) * | 2018-09-28 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | Shield tunnel inner circular support system and its construction method based on brace pre axial force |
| CN109404021A (en) * | 2018-12-25 | 2019-03-01 | 盾构及掘进技术国家重点实验室 | A kind of fault belt stratum quick supporting closing template |
| CN110953000A (en) * | 2019-12-03 | 2020-04-03 | 济南轨道交通集团有限公司 | Temporary prestress supporting mechanism of shield tunnel and construction method |
-
2016
- 2016-08-27 CN CN201620968390.6U patent/CN206111222U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222978A (en) * | 2018-03-08 | 2018-06-29 | 中铁建大桥工程局集团第四工程有限公司 | A kind of metro shield driving freezes synchronization job belt stress stent system and installation method with service channel |
| CN109209401A (en) * | 2018-09-28 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | Shield tunnel inner circular support system and its construction method based on brace pre axial force |
| CN109404021A (en) * | 2018-12-25 | 2019-03-01 | 盾构及掘进技术国家重点实验室 | A kind of fault belt stratum quick supporting closing template |
| CN110953000A (en) * | 2019-12-03 | 2020-04-03 | 济南轨道交通集团有限公司 | Temporary prestress supporting mechanism of shield tunnel and construction method |
| CN110953000B (en) * | 2019-12-03 | 2021-05-07 | 济南轨道交通集团有限公司 | Temporary prestress supporting mechanism of shield tunnel 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 |
Granted publication date: 20170419 Termination date: 20210827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |