CN218934433U - Embedded special-shaped waterproof board prefabricated lining structure for tunnel in cold region - Google Patents
Embedded special-shaped waterproof board prefabricated lining structure for tunnel in cold region Download PDFInfo
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- CN218934433U CN218934433U CN202223168239.9U CN202223168239U CN218934433U CN 218934433 U CN218934433 U CN 218934433U CN 202223168239 U CN202223168239 U CN 202223168239U CN 218934433 U CN218934433 U CN 218934433U
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- 238000007789 sealing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000004540 pour-on Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses an embedded special-shaped waterproof board prefabricated lining structure for a cold region tunnel, which is suitable for the field of tunnel support and comprises a plurality of lining segments spliced end to end in sequence, wherein each lining segment comprises a waterproof board and a concrete structure; the waterproof plate is provided with a clamping structure, the concrete structure is poured on the waterproof plate and fixedly connected with the clamping structure, the annular ends and the longitudinal ends of the lining segments are provided with the lapping structures, and the two adjacent lining segments are connected through the lapping structures. The lining is assembled in the composite tunnel, so that the mutually overlapping structures of every two adjacent lining segments form a whole, the problem that the existing segments are separated from each other by staggered way is solved, meanwhile, the waterproof requirement of concrete can be reduced by the lining segments, the manufacturing process is simplified, and the maintenance time is shortened. In addition, set up seal structure between two adjacent lining segment, reach better water-proof effects.
Description
Technical Field
The utility model relates to the field of tunnel support, in particular to an embedded special-shaped waterproof board prefabricated lining structure for a cold region tunnel.
Background
The support lining adopted by the prior shield tunnel is an assembled lining, which is mostly found in urban subway tunnel construction and river crossing tunnel construction, and is gradually popularized and applied in mountain tunnels. Because the shield tunnel is excavated and lined for one-step forming, the waterproof requirement on the assembled lining is very high, and the waterproof of the duct piece is realized by the waterproof capability of the structure, namely the waterproof grade of the concrete is improved; the waterproof of the pipe piece joint is mainly provided with a sealing strip or a sealing gasket at the splicing joint. The waterproof mode is simpler, and along with the increase of the service year of the tunnel, the opening angle, the dislocation, the sliding and the separation between lining segments are very easy to occur, so that the water seepage condition occurs at the joint.
Therefore, it is necessary to study the composite lining segment, so that in the construction of the shield tunnel, the lining waterproof capability is improved, the construction flow is simplified, the construction period is shortened, and the water seepage and water leakage problems of the spliced lining are solved.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides an embedded special-shaped waterproof board prefabricated lining structure for a cold region tunnel, which strengthens the waterproof performance of an assembled lining joint and increases the reliability and safety of the tunnel structure.
The utility model is realized by the following technical scheme:
an embedded special-shaped waterproof board prefabricated lining structure for a tunnel in a cold region comprises a plurality of lining segments which are spliced end to end in sequence, wherein each lining segment comprises a waterproof board and a concrete structure;
the waterproof plate is provided with a clamping structure, the concrete structure is poured on the waterproof plate and fixedly connected with the clamping structure, the annular ends and the longitudinal ends of the lining segments are provided with the lapping structures, and the two adjacent lining segments are connected through the lapping structures.
Preferably, the clamping structure is a protruding structure arranged on the concave side of the waterproof board, the lower end of the protruding structure is fixedly connected with the side wall of the waterproof board, the upper end of the protruding structure extends towards the direction of the concrete structure, and the volume of the upper end of the protruding structure is larger than that of the small end.
Preferably, the clamping structure comprises a plurality of T-shaped strips, the T-shaped strips are axially arranged along the lining pipe, the T-shaped strips are circumferentially arranged at intervals along the lining pipe, and the concrete structure is provided with T-shaped strip matched clamping grooves.
Preferably, fixing blocks are arranged among the T-shaped strips and are arranged along the circumferential direction of the lining pipe.
Preferably, a sealing structure is arranged between two adjacent lining segments.
Preferably, the sealing structure is a sealing groove arranged on the side wall of the concrete structure, and a water stop bar is arranged in the sealing groove.
Preferably, the lapping structure comprises a lapping table and a lapping plate, wherein the lapping table and the lapping plate are respectively arranged at two ends of the lining segments which are parallel to each other, and when the lining segments are assembled, two adjacent lining segments are lapped on the lapping table of the other lining segment by the lapping plate of one lining segment.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides an embedded special-shaped waterproof board prefabricated lining structure for a tunnel in a cold region, which comprises a plurality of lining segments spliced end to end in sequence, wherein each lining segment comprises a waterproof board and a concrete structure, the clamping structures on the waterproof boards are embedded into the concrete structure to form stable connection, falling off can not occur in the transportation, assembly and use processes, and secondly, the two lateral sides and the longitudinal sides of each lining segment are respectively provided with a lapping structure, and two adjacent lining segments are connected through the lapping structures. In addition, set up seal structure between two adjacent lining segment, further improve sealing performance, reach better water-proof effects.
Drawings
FIG. 1 is a schematic view of the lining segment of the present utility model from an axial perspective;
FIG. 2 is a schematic view of the circumferential view of the lining segment of the present utility model;
FIG. 3 is an exploded view of the lining segment of the present utility model;
FIG. 4 is a schematic view of a circumferentially arranged bridging structure of the lining segments of the present utility model;
FIG. 5 is a schematic view of a longitudinally arranged bridging structure of the lining segments of the present utility model;
FIG. 6 is a schematic illustration of the overlap of two circumferentially adjacent lining segments of the present utility model;
FIG. 7 is a schematic illustration of the bridging of two lining segments of the present utility model longitudinally adjacent thereto;
fig. 8 is a transverse cross-sectional view of the tunnel construction lining of the present utility model.
In the figure: the concrete structure comprises a 1-concrete structure, a 2-waterproof plate, a 3-longitudinal sealing gasket groove, a 4-annular sealing gasket groove, a 5-clamping block, a 6-clamping groove, a 7-annular lapping table, an 8-annular lapping plate, a 9-longitudinal lapping plate and a 10-longitudinal lapping table.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the utility model.
Referring to fig. 1-3, an embedded special-shaped waterproof board prefabricated lining structure for a tunnel in a cold region comprises a plurality of arc lining segments spliced end to end in sequence, wherein the lining segments comprise waterproof boards 2 and concrete structures 1.
Be provided with joint structure on the waterproof board 2, concrete structure 1 pour on waterproof board 2 and with joint structure rigid coupling, the horizontal and fore-and-aft both sides of lining segment all are provided with overlap joint structure, and adjacent two lining segment pass through overlap joint structure and connect.
The joint structure is the protruding structure of setting in waterproof board indent side, and the lower extreme and the lateral wall rigid coupling of waterproof board of this protruding structure, and the upper end extends to concrete structure direction to protruding structure's upper end volume is greater than the tip volume, because protruding structure is located concrete structure 1's volume is great, can form the joint with concrete structure 1, makes waterproof board and concrete structure 1 closely fixed.
The clamping structure comprises a plurality of T-shaped strips, the T-shaped strips are axially arranged along the axial direction of the tunnel, the T-shaped strips are circumferentially arranged at intervals along the tunnel, T-shaped clamping grooves 6 matched with the T-shaped strips are formed in the concrete structure, fixing blocks 5 are arranged among the T-shaped strips, the fixing blocks 5 are circumferentially arranged along the tunnel and are located in the axial center of the T-shaped strips, and the T-shaped strips are connected through the fixing blocks to form a whole.
The concrete structure 1 is provided with a circumferential sealing gasket groove 4 along the circumferential side wall of the tunnel, a longitudinal sealing gasket groove 3 is arranged along the axial side wall of the tunnel, the circumferential sealing gasket groove 4 and the longitudinal sealing gasket groove 3 are connected to form a circumferential sealing gasket groove, and a sealing bar or a sealing gasket is arranged in the sealing groove.
The overlap joint structure includes the same hoop overlap joint structure of structure and axial overlap joint structure, and hoop overlap joint structure sets up at lining segment hoop's both ends, and axial overlap joint structure is located lining segment axial both ends.
Referring to fig. 4 and 6, the annular lapping structure includes an annular lapping table 7 and an annular lapping plate 8, the annular lapping table 7 and the annular lapping plate 8 are respectively located at two ends of the lining pipe piece in the annular direction, the waterproof plates at the ends of the lining pipe piece extend inwards, the annular lapping table 7 is formed at the ends of the concrete structure and the ends of the waterproof plates, the waterproof plates at the other ends of the lining pipe piece extend in the annular direction to form the annular lapping plate 8, when the lining pipe piece is assembled, two lining pipe pieces adjacent in the annular direction, and the annular lapping plate 8 of one lining pipe piece is lapped on the annular lapping table 7 of the other lining pipe piece.
Referring to fig. 5 and 7, the axial lapping structure includes a longitudinal lapping plate 9 and a longitudinal lapping table 10, the longitudinal lapping plate 9 and the longitudinal lapping table 10 are respectively located at two ends of the lining segment in the axial direction, the waterproof plate at the end of the lining segment extends inwards, the longitudinal lapping table 10 is formed at the end of the concrete structure and the end of the waterproof plate, the waterproof plate at the other end of the lining segment extends outwards in the axial direction to form the longitudinal lapping plate 9, when the lining segment is assembled, two lining segments adjacent in the axial direction, wherein the longitudinal lapping plate 9 of one lining segment is lapped on the longitudinal lapping table 10 of the other lining segment.
Referring to fig. 8, the following describes in detail a construction method of an embedded special-shaped waterproof board prefabricated lining structure for a tunnel in a cold region, which comprises the following steps:
step 1, preparing an arc waterproof board, and arranging a plurality of T-shaped strips on the concave side of the waterproof board;
and 3, respectively and sequentially installing lining segments in the circumferential direction and the longitudinal direction of the tunnel to form the whole tunnel lining.
The embedded special-shaped waterproof board prefabricated lining structure for the cold region tunnel can ensure the waterproof capability of lining segments, simultaneously meets the waterproof requirement of lining joints, meets the requirements of lining segments in the manufacturing, transporting, installing and operating processes by embedding and lapping methods, and can greatly improve segment prefabrication and construction efficiency. In addition, the method can be popularized to other prefabricated assembled lining, and has certain flexibility. The waterproof board reduces the waterproof cost of lining and has certain economic value. Compared with the traditional lining segments, the method has certain advantages, can be flexibly constructed and is convenient to use.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (7)
1. The embedded special-shaped waterproof board prefabricated lining structure for the tunnel in the cold region is characterized by comprising a plurality of lining segments spliced end to end in sequence, wherein each lining segment comprises a waterproof board (2) and a concrete structure (1);
be provided with joint structure on waterproof board (2), concrete structure (1) pour on waterproof board (2) and with joint structure rigid coupling, the hoop and the fore-and-aft both ends of lining segment all are provided with overlap joint structure, and adjacent two lining segments pass through overlap joint structure and connect.
2. The embedded special-shaped waterproof board prefabricated lining structure for the cold area tunnel according to claim 1, wherein the clamping structure is a protruding structure arranged on the concave side of the waterproof board, the lower end of the protruding structure is fixedly connected with the side wall of the waterproof board, the upper end of the protruding structure extends towards the direction of the concrete structure, and the volume of the upper end of the protruding structure is larger than that of the small end of the protruding structure.
3. The embedded special-shaped waterproof board prefabricated lining structure for the cold region tunnel according to claim 2, wherein the clamping structure comprises a plurality of T-shaped strips, the T-shaped strips are axially arranged along the lining pipe, the T-shaped strips are circumferentially arranged at intervals along the lining pipe, and clamping grooves (6) matched with the T-shaped strips are formed in the concrete structure.
4. An embedded special-shaped waterproof board prefabricated lining structure for a cold region tunnel according to claim 3, wherein fixing blocks (5) are arranged among the plurality of T-shaped strips, and the fixing blocks (5) are arranged along the circumferential direction of the lining pipe.
5. The embedded special-shaped waterproof board prefabricated lining structure for the cold region tunnel according to claim 1, wherein a sealing structure is arranged between two adjacent lining segments.
6. The embedded special-shaped waterproof board prefabricated lining structure for the cold area tunnel according to claim 5, wherein the sealing structure is a sealing groove arranged on the side wall of the concrete structure, and water stop bars are arranged in the sealing groove.
7. The embedded special-shaped waterproof board prefabricated lining structure for the cold region tunnel according to claim 1, wherein the lap joint structure comprises a lap joint table and a lap joint plate, the lap joint table and the lap joint plate are respectively arranged at two ends of lining segments which are parallel to each other, and when the lining segments are assembled, the lap joint plate of one lining segment is lapped on the lap joint table of the other lining segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223168239.9U CN218934433U (en) | 2022-11-28 | 2022-11-28 | Embedded special-shaped waterproof board prefabricated lining structure for tunnel in cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223168239.9U CN218934433U (en) | 2022-11-28 | 2022-11-28 | Embedded special-shaped waterproof board prefabricated lining structure for tunnel in cold region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934433U true CN218934433U (en) | 2023-04-28 |
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ID=86083974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223168239.9U Active CN218934433U (en) | 2022-11-28 | 2022-11-28 | Embedded special-shaped waterproof board prefabricated lining structure for tunnel in cold region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218934433U (en) |
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2022
- 2022-11-28 CN CN202223168239.9U patent/CN218934433U/en active Active
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