CN206539351U - A kind of grid type tunnel arch - Google Patents
A kind of grid type tunnel arch Download PDFInfo
- Publication number
- CN206539351U CN206539351U CN201720161607.7U CN201720161607U CN206539351U CN 206539351 U CN206539351 U CN 206539351U CN 201720161607 U CN201720161607 U CN 201720161607U CN 206539351 U CN206539351 U CN 206539351U
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- CN
- China
- Prior art keywords
- arc
- grid
- network
- backing plate
- shaped structure
- 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
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a kind of grid type tunnel arch, the arc network connect is sequentially connected including some, each arc network includes the first arc, the second arc, grid-shaped structure and two backing plates, one end of first arc and one end of the second arc are connected with the side of a backing plate, the other end of the other end of second arc and the second arc is connected with the side of another backing plate, and grid-shaped structure is fixed in the region that the first arc, the second arc and two backing plates are surrounded；Adjacent backing plate in two neighboring arc network is connected, the characteristics of bow member has the stress that rigidity is high, deformability is strong, can disperse in supporting construction, and behind gunite concrete is more closely knit.
Description
Technical field
The utility model is related to a kind of bow member, and in particular to a kind of grid type tunnel arch.
Background technology
In the case where tunnel surrounding is weak, bored tunnel preliminary bracing typically uses shaped steel arch or grillage and spray
Penetrate the support form of concrete combination.Shaped steel arch support section is big, rigidity big, bear the stress at initial stage after tunnel excavation
Ability is strong, i.e., can effectively control the initial deformation after tunnel excavation.But, because its rigidity is larger, deformability is weak easily
Cause local stress excessive, cause Support structure damage.And, the gunite concrete of steel arch-shelf behind is difficult that filling is closely knit, this
The bearing capacity of preliminary bracing will be influenceed；Grillage due between its bow member space it is big, be not easy larger sky occur behind
Hole phenomenon, still, the ability for resisting initial deformation are weak, and integral rigidity is low.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art there is provided a kind of grid type tunnel arch,
The characteristics of bow member has the stress that rigidity is high, deformability is strong, can disperse in supporting construction, and behind gunite concrete
It is more closely knit.
To reach above-mentioned purpose, grid type tunnel arch described in the utility model is sequentially connected the arc connect including some
Network, each arc network includes the first arc, the second arc, grid-shaped structure and two backing plates, first
One end of arc and one end of the second arc are connected with the side of a backing plate, the other end of the second arc and second
The other end of arc is connected with the side of another backing plate, and grid-shaped structure is fixed on the first arc, the second arc
And in the region that surrounds of two backing plates；
Adjacent backing plate in two neighboring arc network is connected.
Each arc network connects the structure to be formed for arcuate structure.
First bolt passes through the adjacent backing plate in two neighboring arc network by two neighboring arc network phase
Connection.
It is connected between grid-shaped structure and the first arc and the second arc by the second bolt.
Mutually welded between grid-shaped structure and backing plate.
The utility model has the advantages that：
Grid type tunnel arch described in the utility model is in concrete operations, and grid-shaped structure is fixed on the first arc
It is closely knit after its behind gunite concrete so as to make in the region that plate, the second arc and two backing plates are surrounded, while can
Pass through the grid-shaped structure and effectively disperse the load that is undertaken of bow member, it is to avoid stress concentration and deform, so as to effectively improve
The rigidity and deformability of bow member, while the part pulling force that can undertake steel arch-shelf inside conventional concrete or grillage turns
The pressure being applied on grid-shaped inside configuration concrete is turned to, so as to effectively improve the bearing capacity and rigidity of bow member.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of arc network 1 in the utility model；
Fig. 3 is the structural representation of the two neighboring link position of arc network 1 in the utility model；
Wherein, 1 be arc network, 2 be the first arc, 3 be the second arc, 4 be backing plate, 5 be the second bolt,
6 it is the first bolt, 7 is grid-shaped structure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, grid type tunnel arch described in the utility model is sequentially connected the arc grid knot connect including some
Structure 1, each arc network 1 includes the first arc 2, the second arc 3, grid-shaped structure 7 and two backing plates 4, first
One end of arc 2 and one end of the second arc 3 are connected with the side of a backing plate 4, the other end of the second arc 3 and
The other end of second arc 3 is connected with the side of another backing plate 4, and grid-shaped structure 7 is fixed on the first arc 2,
In the region that two arcs 3 and two backing plates 4 are surrounded；Adjacent backing plate 4 in two neighboring arc network 1 is connected.
The structure that each connection of arc network 1 is formed is arcuate structure；First bolt 6 passes through two neighboring arc grid
Two neighboring arc network 1 is connected by the adjacent backing plate 4 in structure 1；The arc 2 of grid-shaped structure 7 and first and
It is connected between two arcs 3 by the second bolt 5；Mutually welded between grid-shaped structure 7 and backing plate 4.
Specifically used process of the present utility model is：
Each 1 section of arc network is transported in tunnel, arc network 1 is tentatively fixed on by excavation face using anchor pole
On, the adjacent backing plate 4 of adjacent two arcs network 1 is connected by the first bolt 6, while making all arc networks 1
Fit in excavation face, then the supporting of gunite concrete reinforcing mat form bow member.
Claims (5)
1. a kind of grid type tunnel arch, it is characterised in that be sequentially connected the arc network (1) connect, each arc including some
Shape network (1) includes the first arc (2), the second arc (3), grid-shaped structure (7) and two backing plates (4), the
One end of one arc (2) and one end of the second arc (3) are connected with the side of a backing plate (4), the second arc (3)
The other end and the other end of the second arc (3) be connected with the side of another backing plate (4), grid-shaped structure (7) is fixed
In in the region that the first arc (2), the second arc (3) and two backing plates (4) surround；
Adjacent backing plate (4) in two neighboring arc network (1) is connected.
2. grid type tunnel arch according to claim 1, it is characterised in that each arc network (1) connection is formed
Structure be arcuate structure.
3. grid type tunnel arch according to claim 1, it is characterised in that the first bolt (6) passes through two neighboring arc
Two neighboring arc network (1) is connected by the adjacent backing plate (4) in shape network (1).
4. grid type tunnel arch according to claim 3, it is characterised in that grid-shaped structure (7) and the first arc
(2) and between the second arc (3) it is connected by the second bolt (5).
5. grid type tunnel arch according to claim 1, it is characterised in that between grid-shaped structure (7) and backing plate (4)
Mutually weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161607.7U CN206539351U (en) | 2017-02-22 | 2017-02-22 | A kind of grid type tunnel arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161607.7U CN206539351U (en) | 2017-02-22 | 2017-02-22 | A kind of grid type tunnel arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539351U true CN206539351U (en) | 2017-10-03 |
Family
ID=59946613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720161607.7U Expired - Fee Related CN206539351U (en) | 2017-02-22 | 2017-02-22 | A kind of grid type tunnel arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268040A (en) * | 2018-11-30 | 2019-01-25 | 长安大学 | A kind of vcehicular tunnel abnormal shape arch and supporting construction |
-
2017
- 2017-02-22 CN CN201720161607.7U patent/CN206539351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268040A (en) * | 2018-11-30 | 2019-01-25 | 长安大学 | A kind of vcehicular tunnel abnormal shape arch and supporting construction |
| CN109268040B (en) * | 2018-11-30 | 2024-05-07 | 长安大学 | Special-shaped arch frame and supporting structure for highway tunnel |
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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: 20171003 Termination date: 20180222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |