CN221462332U - Concrete lining structure is add to existing tunnel - Google Patents
Concrete lining structure is add to existing tunnel Download PDFInfo
- Publication number
- CN221462332U CN221462332U CN202323397570.2U CN202323397570U CN221462332U CN 221462332 U CN221462332 U CN 221462332U CN 202323397570 U CN202323397570 U CN 202323397570U CN 221462332 U CN221462332 U CN 221462332U
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- connecting cylinder
- steel bar
- lining structure
- concrete lining
- bar body
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000007943 implant Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 21
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000002513 implantation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The application relates to the technical field of tunnel reinforcement, in particular to an additional concrete lining structure of an existing tunnel, which comprises a plurality of reinforcing steel bar bodies and reinforcing steel bar nets, wherein the reinforcing steel bar bodies are implanted on the inner wall of the tunnel in a reinforcing steel bar implantation mode, a first connecting cylinder is sleeved on the reinforcing steel bar bodies and fixedly connected with the reinforcing steel bar bodies, a second connecting cylinder for the reinforcing steel bar bodies and the first connecting cylinder to correspondingly pass through is fixedly connected on the reinforcing steel bar nets, limit posts are arranged on two sides of the second connecting cylinder in a sliding manner, the sliding directions of the limit posts on the two sides are mutually close to or far away from each other, sliding grooves for the limit posts to slide are formed in the side wall of the second connecting cylinder, the limit posts can slide in the mutually close directions until the second connecting cylinder passes through the first connecting cylinder, and the limit posts can also slide in the mutually far away directions to support the second connecting cylinder, so that the bottom surface of the second connecting cylinder is in butt joint with the top surface of the limit posts. The application has the effects of facilitating the fixation between the reinforcing mesh and the reinforcing body and improving the construction efficiency.
Description
Technical Field
The application relates to the technical field of tunnel reinforcement, in particular to an additional concrete lining structure of an existing tunnel.
Background
In recent years, with the development of infrastructure construction, new roads are increasingly built. The highway in mountain area is mostly passed through complex terrains of chong mountain, ravines, longitudinal and transverse, and the phenomenon of high filling and deep digging of roadbed is unavoidable, so the phenomenon of high filling of tunnel is unavoidable. The box culvert and the cover culvert in the high-fill section are large in earth covering due to the top of the culvert, and a designer is difficult to comprehensively know the geological condition of the tunnel substrate when designing the culvert, and if the constructor does not strictly work according to a reasonable construction method in the construction process, the tunnel is damaged in the construction process or in the initial use stage, such as bending tension cracks under the action of load. If reworking is performed again, economic losses are caused, so that the defective tunnel needs to be reinforced.
The traditional tunnel reinforcement method comprises an embedded box type structure method, an enlarged section method, a joist column pulling method and the like, wherein the enlarged section method is to pour the same material components in the original tunnel to improve the bearing capacity of the tunnel, namely, a concrete lining structure is additionally arranged in the existing tunnel, the concrete lining structure comprises a reinforcing steel bar body and a reinforcing steel bar net, the reinforcing steel bar body is implanted into the existing tunnel in a manner of planting reinforcing steel bars, the reinforcing steel bar net is penetrated by the reinforcing steel bar bodies and bound on the reinforcing steel bar body, the fixing of the reinforcing steel bar net and the reinforcing steel bar body is realized, and then concrete is poured to form the concrete lining structure.
Aiming at the related technology, the inventor considers that binding the reinforcing mesh on the reinforcing steel bar body is time-consuming and labor-consuming, the fixation between the reinforcing mesh and the reinforcing steel bar body is inconvenient, and the construction efficiency is required to be improved.
Disclosure of utility model
In order to facilitate the fixation between the reinforcing mesh and the reinforcing body and improve the construction efficiency, the application provides the additional concrete lining structure of the existing tunnel.
The application provides a concrete lining structure added to an existing tunnel, which adopts the following technical scheme:
The utility model provides a concrete lining structure is add to existing tunnel, includes reinforcing bar body and reinforcing bar net, the reinforcing bar body has many and implants on the inner wall of tunnel through the mode of planting the muscle, the first connecting cylinder of cover is established and fixedly connected with on the reinforcing bar body, the second connecting cylinder that supplies reinforcing bar body and first connecting cylinder to correspond to pass is connected with on the reinforcing bar net, the both sides slip of second connecting cylinder is provided with spacing post, both sides the slip direction of spacing post is close to each other or keeps away from, offer on the lateral wall of second connecting cylinder and supply spacing gliding spout, spacing post can slide to the direction that is close to each other to make the second connecting cylinder pass first connecting cylinder, spacing post can also slide to the direction that keeps away from each other to support the second connecting cylinder, make the bottom surface of second connecting cylinder and the top surface butt of spacing post.
Through adopting above-mentioned technical scheme, when fixing reinforcing bar net and reinforcing bar body, make spacing post to the direction slip that is close to each other, remove the reinforcing bar net from the lower direction of reinforcing bar body upwards, and make second connecting cylinder pass reinforcing bar body and first connecting cylinder, then make spacing post to the direction slip that is away from each other to support second connecting cylinder, make the bottom surface of second connecting cylinder and the top surface butt of spacing post, thereby realize the quick connection of reinforcing bar net and reinforcing bar body, be convenient for fixed between reinforcing bar net and the reinforcing bar body, improve the efficiency of construction.
Optionally, be provided with the extension spring in the spout, the diapire fixed connection of extension spring's one end and spout, the other end and the gag lever post fixed connection of extension spring.
Through adopting above-mentioned technical scheme, telescopic spring's setting can make the automatic direction slip that keeps away from each other of the spacing post in both sides, further improves the convenience.
Optionally, the both sides fixedly connected with stopper of gag lever post, set up the gliding spacing groove of confession stopper on the inner wall of spout.
Through adopting above-mentioned technical scheme, the setting of stopper and spacing groove helps improving spacing post gliding stability to improve spacing post to the spacing stability of second connecting cylinder.
Optionally, the bottom of the one end that spacing post kept away from the extension spring is provided with first wedge, first wedge is towards the direction of keeping away from the extension spring.
Through adopting above-mentioned technical scheme, can make the automatic shrink of extension spring when the upward movement of second connecting cylinder to make spacing post automatic to the direction slip that is close to each other, further improve the convenience.
Optionally, a second wedge-shaped surface matched with the first wedge-shaped surface is arranged at the top end of the second connecting cylinder.
By adopting the technical scheme, the reliability of the second connecting cylinder in the process of ascending to enable the limit column to slide in the direction close to each other is improved.
Optionally, the spacing post is square setting.
By adopting the technical scheme, the sliding stability of the limiting rod can be further improved.
Optionally, fixedly connected with limiting plate on the reinforcing bar body, the limiting plate is located the top of second connecting cylinder, when the bottom surface of second connecting cylinder and the top surface butt of spacing post, the limiting plate is located the top of second connecting cylinder and is adjacent with the second connecting cylinder.
Through adopting above-mentioned technical scheme, the limiting plate can be spacing to the top of second connecting cylinder to cooperate with spacing post, spacing is carried out the both ends of second connecting cylinder, and then improves the stability of reinforcing bar net in the steel bar body coupling.
Optionally, the second connecting cylinder is in threaded connection with the steel bar body.
Through adopting above-mentioned technical scheme, can process on the second connecting cylinder in advance to and install spacing post, then with second connecting cylinder and reinforcing bar body threaded connection, and need not directly install the gag lever post on the reinforcing bar body, be convenient for process and installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. When the reinforcement mesh and the reinforcement body are fixed, the limiting columns slide in the directions close to each other, the reinforcement mesh moves upwards from the lower direction of the reinforcement body, the second connecting cylinder penetrates through the reinforcement body and the first connecting cylinder, then the limiting columns slide in the directions far away from each other to support the second connecting cylinder, the bottom surface of the second connecting cylinder is abutted with the top surface of the limiting columns, and therefore the reinforcement mesh and the reinforcement body are connected quickly, the reinforcement mesh and the reinforcement body are fixed conveniently, and the construction efficiency is improved;
2. The telescopic springs are arranged, so that the limit posts on two sides can automatically slide in the directions away from each other, and convenience is further improved;
3. The second connecting cylinder is in threaded connection with the steel bar body, can be machined on the second connecting cylinder in advance, and is provided with the limiting column, and then the second connecting cylinder is in threaded connection with the steel bar body without directly installing the limiting rod on the steel bar body, so that the machining and the installation are facilitated.
Drawings
Fig. 1 is a schematic structural view showing the connection and positional relationship of a tunnel, a reinforcing mesh and a reinforcing body according to an embodiment of the present application.
Fig. 2 is a schematic diagram of the overall structure of an existing tunnel with a concrete lining structure added.
Fig. 3 is a schematic view showing a structure of the second wedge-shaped surface in the embodiment of the present application.
Fig. 4 is a schematic structural diagram for showing a limiting groove in an embodiment of the application.
Reference numerals illustrate: 1. a reinforcing steel bar body; 2. a reinforcing mesh; 3. a tunnel; 4. a first connecting cylinder; 5. a second connecting cylinder; 6. a limit column; 61. a chute; 611. a telescopic spring; 62. a limiting block; 63. a limit groove; 64. a first wedge surface; 65. a second wedge surface; 7. and a limiting plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a concrete lining structure additionally arranged in an existing tunnel. Referring to fig. 1 to 4, the concrete lining structure is added to the existing tunnel, which comprises a reinforced bar body 1 and a reinforced bar net 2, wherein the reinforced bar body 1 is provided with a plurality of reinforced bars and is implanted on the inner wall of the tunnel 3 in a bar planting mode, the reinforced bar body 1 is sleeved with a first connecting cylinder 4 and fixedly connected with a second connecting cylinder 5 through which the reinforced bar body 1 and the first connecting cylinder 4 correspondingly pass, two sides of the second connecting cylinder 5 are slidably provided with limit posts 6, sliding directions of the limit posts 6 on two sides are mutually close to or far away from each other, sliding grooves 61 for sliding the limit posts 6 are formed in the side walls of the second connecting cylinder 5, the limit posts 6 can slide to the directions of mutually close to enable the second connecting cylinder 5 to pass through the first connecting cylinder 4, and the limit posts 6 can also slide to the directions of mutually far away from to support the second connecting cylinder 5, so that the bottom surface of the second connecting cylinder 5 is abutted with the top surface of the limit posts 6.
When fixing reinforcing bar net 2 and reinforcing bar body 1, make spacing post 6 to the direction that is close to each other slide, remove reinforcing bar net 2 from the lower direction of reinforcing bar body 1 upwards, and make second connecting cylinder 5 pass reinforcing bar body 1 and first connecting cylinder 4, then make spacing post 6 slide to support second connecting cylinder 5 to the direction that keeps away from each other, make the bottom surface of second connecting cylinder 5 and the top surface butt of spacing post 6, thereby realize the quick connect of reinforcing bar net 2 and reinforcing bar body 1, be convenient for fix between reinforcing bar net 2 and the reinforcing bar body 1, improve the efficiency of construction.
The steel bar body 1 is fixedly connected with a limiting plate 7, the limiting plate 7 is located above the second connecting cylinder 5, and when the bottom surface of the second connecting cylinder 5 is in butt joint with the top surface of the limiting column 6, the limiting plate 7 is located above the second connecting cylinder 5 and adjacent to the second connecting cylinder 5. The limiting plate 7 can limit the top end of the second connecting cylinder 5, so that the limiting plate is matched with the limiting column 6, the two ends of the second connecting cylinder 5 are limited, and the stability of the connection of the reinforcing mesh 2 to the reinforcing steel bar body 1 is improved. The second connecting cylinder 5 is in threaded connection with the steel bar body 1, and can be machined on the second connecting cylinder 5 in advance, and the limit column 6 is installed, and then the second connecting cylinder 5 is in threaded connection with the steel bar body 1, so that a limit rod is not required to be directly installed on the steel bar body 1, and machining and installation are facilitated.
A telescopic spring 611 is arranged in the sliding groove 61, one end of the telescopic spring 611 is fixedly connected with the bottom wall of the sliding groove 61, and the other end of the telescopic spring 611 is fixedly connected with the limiting rod. The arrangement of the telescopic springs 611 can enable the limit posts 6 on two sides to automatically slide in the directions away from each other, so that convenience is further improved. The spacing post 6 is square setting, can improve gag lever post gliding stability. Limiting blocks 62 are fixedly connected to two sides of the limiting rod, and limiting grooves 63 for sliding of the limiting blocks 62 are formed in the inner walls of the sliding grooves 61. The arrangement of the limiting block 62 and the limiting groove 63 is beneficial to further improving the sliding stability of the limiting column 6, so that the limiting stability of the limiting column 6 to the second connecting cylinder 5 is improved.
The bottom of the end of the limit post 6 remote from the telescopic spring 611 is provided with a first wedge surface 64, the first wedge surface 64 facing away from the telescopic spring 611. The arrangement of the first wedge-shaped surface 64 can automatically retract the telescopic spring 611 when the second connecting cylinder 5 moves upwards, so that the limit posts 6 automatically slide in directions approaching to each other, and convenience is further improved. The top end of the second connecting cylinder 5 is provided with a second wedge-shaped surface 65 which is matched with the first wedge-shaped surface 64, so that the reliability of sliding the limit post 6 in the direction approaching each other due to the rising of the second connecting cylinder 5 is improved.
The implementation principle of the concrete lining structure added to the existing tunnel is as follows: when fixing reinforcing bar net 2 and reinforcing bar body 1, make spacing post 6 to the direction that is close to each other slide, remove reinforcing bar net 2 from the lower direction of reinforcing bar body 1 upwards, and make second connecting cylinder 5 pass reinforcing bar body 1 and first connecting cylinder 4, then make spacing post 6 slide to support second connecting cylinder 5 to the direction that keeps away from each other, make the bottom surface of second connecting cylinder 5 and the top surface butt of spacing post 6, thereby realize the quick connect of reinforcing bar net 2 and reinforcing bar body 1, be convenient for fix between reinforcing bar net 2 and the reinforcing bar body 1, improve the efficiency of construction.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. An existing tunnel adds concrete lining structure, its characterized in that: including reinforcing bar body (1) and reinforcing bar net (2), reinforcing bar body (1) have many and implant on the inner wall of tunnel (3) through the mode of planting the muscle, cover is established and fixedly connected with first connecting cylinder (4) on reinforcing bar body (1), fixedly connected with supplies reinforcing bar body (1) and first connecting cylinder (4) to correspond second connecting cylinder (5) that pass on reinforcing bar net (2), the both sides slip of second connecting cylinder (5) is provided with spacing post (6), both sides the slip direction of spacing post (6) is close to or keeps away from each other, offer on the lateral wall of second connecting cylinder (5) and supply spacing post (6) gliding spout (61), spacing post (6) can slide to the direction that is close to each other to make second connecting cylinder (5) pass first connecting cylinder (4), spacing post (6) can also slide to the direction that keeps away from each other to support second connecting cylinder (5) bottom surface and the top surface butt of spacing post (6).
2. The added concrete lining structure for an existing tunnel according to claim 1, wherein: the sliding chute (61) is internally provided with a telescopic spring (611), one end of the telescopic spring (611) is fixedly connected with the bottom wall of the sliding chute (61), and the other end of the telescopic spring (611) is fixedly connected with a limiting rod.
3. The added concrete lining structure for an existing tunnel according to claim 2, wherein: limiting blocks (62) are fixedly connected to two sides of the limiting rod, and limiting grooves (63) for sliding of the limiting blocks (62) are formed in the inner walls of the sliding grooves (61).
4. The added concrete lining structure for an existing tunnel according to claim 2, wherein: the bottom of one end of the limiting column (6) far away from the telescopic spring (611) is provided with a first wedge-shaped surface (64), and the first wedge-shaped surface (64) faces the direction far away from the telescopic spring (611).
5. The added concrete lining structure for an existing tunnel according to claim 4, wherein: the top end of the second connecting cylinder (5) is provided with a second wedge-shaped surface (65) which is matched with the first wedge-shaped surface (64).
6. The added concrete lining structure for an existing tunnel according to claim 1, wherein: the limiting columns (6) are square.
7. The added concrete lining structure for an existing tunnel according to claim 1, wherein: the steel bar is characterized in that a limiting plate (7) is fixedly connected to the steel bar body (1), the limiting plate (7) is located above the second connecting cylinder (5), and when the bottom surface of the second connecting cylinder (5) is abutted to the top surface of the limiting column (6), the limiting plate (7) is located above the second connecting cylinder (5) and adjacent to the second connecting cylinder (5).
8. The added concrete lining structure for an existing tunnel according to claim 1, wherein: the second connecting cylinder (5) is in threaded connection with the steel bar body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397570.2U CN221462332U (en) | 2023-12-13 | 2023-12-13 | Concrete lining structure is add to existing tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323397570.2U CN221462332U (en) | 2023-12-13 | 2023-12-13 | Concrete lining structure is add to existing tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221462332U true CN221462332U (en) | 2024-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323397570.2U Active CN221462332U (en) | 2023-12-13 | 2023-12-13 | Concrete lining structure is add to existing tunnel |
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| Country | Link |
|---|---|
| CN (1) | CN221462332U (en) |
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- 2023-12-13 CN CN202323397570.2U patent/CN221462332U/en active Active
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