Tunnel waterproof structure based on composite drainage plate and tunnel
By adopting a combined structure of composite drainage plates and wire mesh hot melt gaskets in the tunnel, the problems of puncture and leakage of concave and convex drainage plates are solved, and the effective waterproof and drainage effect of the tunnel is achieved.
Patent Information
- Application Number
- CN202320529739.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-17
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2033-03-17
AI Technical Summary
In the prior art, the concave-convex drainage plates in the tunnel are fixed by firing nails. There is a puncture of concave-convex drainage plates, and the puncture points are difficult to block and handle, and there is a problem of hidden water leakage.
The tunnel waterproof structure based on the composite drainage plate is adopted. The composite drainage plate includes a concave-convex drainage plate and a geotextile attached to the concave and convex surface. It is anchored on the initial support layer through the wire mesh hot melt gasket, and the wire mesh hot melt gasket is welded with the composite drainage plate through the through holes on the geotextile to achieve puncture-free fixation.
The puncture-free fixing mode of the composite drainage plate in the tunnel is realized, which ensures the integrity of the composite drainage plate, and combines waterproof and drainage in the tunnel, avoiding the occurrence of hidden dangers of leakage.
Smart Images
Figure CN223035054U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tunnel waterproofing, and more specifically, relates to a tunnel waterproof structure and a tunnel based on a composite drainage board. Background Art
[0002] When waterproofing and draining tunnels, concave-convex drainage boards are often selected. When traditional concave-convex drainage boards are used in tunnel construction, they are often fixed by nail shooting. The fixing method by nail shooting has the problem of puncturing the concave-convex drainage board, and it is difficult to seal and treat the puncture points of the concave-convex drainage board, resulting in potential leakage problems in the later stage of the tunnel, affecting the structural safety of the tunnel and the subsequent operation safety. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a tunnel waterproof structure and a tunnel based on a composite drainage board to solve the problems in the prior art that when fixing the concave-convex drainage board in the tunnel by the fixing method of nail shooting, there is puncturing of the concave-convex drainage board, and it is difficult to seal and treat the puncture points, resulting in potential leakage problems.
[0004] To achieve the above purpose, the utility model provides a tunnel waterproof structure based on a composite drainage board. The composite drainage board includes a concave-convex drainage board and a geotextile pasted on the concave-convex surface of the concave-convex drainage board, and includes:
[0005] A wire mesh hot-melt gasket, anchored on the primary support layer of the tunnel;
[0006] A composite drainage board, arranged on the surface of the primary support layer. Through holes for the wire mesh hot-melt gasket to pass through are formed in the geotextile, and the wire mesh hot-melt gasket is welded to the concave-convex surface of the concave-convex drainage board.
[0007] Optionally, it further includes a secondary lining concrete layer, and the secondary lining concrete layer is arranged inside the perimeter of the composite drainage board.
[0008] Optionally, a plurality of wire mesh hot-melt gaskets are provided.
[0009] Optionally, the plurality of wire mesh hot-melt gaskets are arranged in a plum blossom shape.
[0010] Optionally, the distance between adjacent wire mesh hot-melt gaskets is 1 m.
[0011] Optionally, a plurality of composite drainage boards are arranged in sequence along the axial direction of the tunnel.
[0012] Optionally, adjacent composite drainage boards are welded by overlapping their long sides.
[0013] Optionally, one side of the wire mesh hot melt gasket contacts the primary support layer. An anchoring hole is provided in the middle of the wire mesh hot melt gasket. The anchoring component anchors the wire mesh hot melt gasket to the primary support layer through the anchoring hole. A wire mesh is provided on the other side of the wire mesh hot melt gasket.
[0014] The present utility model also provides a tunnel, including the tunnel waterproof structure based on the composite drainage board as described above.
[0015] Optionally, the tunnel includes a tunnel body. The primary support layer is arranged on the inner side of the tunnel body and forms an inverted U shape. The secondary lining concrete layer is arranged on the inner circumference of the composite drainage board and forms a ring shape.
[0016] The present utility model provides a tunnel waterproof structure and a tunnel based on a composite drainage board, and its beneficial effects are as follows: The waterproof structure fixes the composite drainage board on the primary support layer through a wire mesh hot melt gasket. Through holes are provided on the geotextile of the composite drainage board. Before the concave-convex drainage board of the composite drainage board is welded to the wire mesh hot melt gasket, the wire mesh hot melt gasket passes through the through holes, realizing the fixed connection between the wire mesh hot melt gasket and the composite drainage board; by virtue of the good drainage performance of the composite drainage board and the good buffering and puncture resistance of the geotextile, when the waterproof structure is applied to the tunnel, while realizing the waterproof and drainage of the tunnel, a non-puncture fixing mode of the composite drainage board in the tunnel is realized, which not only ensures the integrity of the composite drainage board but also realizes the combination of waterproofing and drainage of the tunnel.
[0017] Other features and advantages of the present utility model will be described in detail in the following specific implementation part. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] By describing the exemplary embodiments of the present utility model in more detail in conjunction with the drawings, the above-mentioned and other objects, features, and advantages of the present utility model will become more obvious. Among them, in the exemplary embodiments of the present utility model, the same reference numerals generally represent the same components.
[0019] Figure 1 FIG. shows a schematic diagram of a tunnel waterproof structure based on a composite drainage board according to an embodiment of the present utility model.
[0020] Figure 2 FIG. shows a partially enlarged schematic diagram of a tunnel waterproof structure based on a composite drainage board according to an embodiment of the present utility model.
[0021] DESCRIPTION OF THE REFERENCE NUMERALS:
[0022] 1. Wire mesh hot melt gasket; 2. Primary support layer; 3. Composite drainage board; 4. Geotextile; 5. Concave-convex drainage board; 6. Secondary lining concrete layer. DETAILED DESCRIPTION OF THE INVENTION
[0023] The preferred embodiments of the present utility model will be described in more detail below. Although the preferred embodiments of the present utility model are described below, it should be understood that the present utility model can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present utility model more thorough and complete, and to fully convey the scope of the present utility model to those skilled in the art.
[0024] As Figure 1 and Figure 2 shown, the present utility model provides a tunnel waterproof structure based on a composite drainage board. The composite drainage board 3 includes a concave-convex drainage board 5 and a geotextile 4 pasted on the concave-convex surface of the concave-convex drainage board 5, and includes:
[0025] A wire mesh hot-melt gasket 1, anchored on the primary support layer 2 of the tunnel;
[0026] The composite drainage board 3 is arranged on the surface of the primary support layer 2. A through hole for the wire mesh hot-melt gasket 1 to pass through is formed in the geotextile 4, and the wire mesh hot-melt gasket 1 is welded to the concave-convex surface of the concave-convex drainage board 5.
[0027] Specifically, in order to solve the problem that in the prior art, the concave-convex drainage board 5 in the tunnel is fixed by a fixing method using nail shooting, there is a problem that the concave-convex drainage board 5 is punctured, and the puncture point is difficult to block and process, and there is a potential leakage problem; the tunnel waterproof structure based on the composite drainage board 3 provided by the present utility model fixes the composite drainage board 3 on the primary support layer 2 through the wire mesh hot-melt gasket 1. A through hole is provided in the geotextile 4 of the composite drainage board 3. Before the concave-convex drainage board 5 of the composite drainage board 3 is welded to the wire mesh hot-melt gasket 1, the wire mesh hot-melt gasket 1 passes through the through hole, realizing the fixed connection between the wire mesh hot-melt gasket 1 and the composite drainage board 3; by virtue of the good drainage performance of the composite drainage board 3 and the good buffering and puncture resistance of the geotextile 4, when this waterproof structure is applied to the tunnel, while realizing the waterproof and drainage of the tunnel, a non-puncture fixing mode of the composite drainage board 3 in the tunnel is realized, which not only ensures the integrity of the composite drainage board 3 but also realizes the combination of waterproofing and drainage of the tunnel; it solves the problem that the concave-convex drainage board 5 in the prior art is punctured, and the puncture point is difficult to block and process, and there is a potential leakage problem.
[0028] Optionally, it further includes a secondary lining concrete layer 6, and the secondary lining concrete layer 6 is arranged inside the circumference of the composite drainage board 3.
[0029] Specifically, the secondary lining concrete layer 6 is formed by pouring.
[0030] Optionally, a plurality of wire mesh hot-melt gaskets 1 are provided.
[0031] Specifically, the effective fixation of the composite drainage board 3 is achieved by using a plurality of wire mesh hot-melt gaskets 1.
[0032] Optionally, multiple wire mesh hot-melt gaskets 1 are arranged in a plum blossom shape.
[0033] Optionally, the distance between adjacent wire mesh hot-melt gaskets 1 is 1 m.
[0034] Specifically, multiple wire mesh hot-melt gaskets 1 can be fixed on the primary support layer 2 of the tunnel by nail shooting.
[0035] Optionally, multiple composite drainage plates 3 are arranged in sequence along the axial direction of the tunnel.
[0036] Specifically, each composite drainage plate 3 forms an inverted U-shaped structure.
[0037] Optionally, adjacent composite drainage plates 3 are welded by lapping their long sides.
[0038] Specifically, the lapping part of the long sides of the composite drainage plates 3 is connected by crawling welding.
[0039] Optionally, one side of the wire mesh hot-melt gasket 1 is in contact with the primary support layer 2. An anchoring hole is provided in the middle of the wire mesh hot-melt gasket 1. The anchoring component anchors the wire mesh hot-melt gasket 1 on the primary support layer 2 through the anchoring hole. A metal wire mesh is provided on the other side of the wire mesh hot-melt gasket 1.
[0040] Specifically, the nail can pass through the anchoring hole to anchor the wire mesh hot-melt gasket 1 on the primary support layer 2. During the fixing process of the composite drainage plate 3, corresponding through holes can be opened in the geotextile 4 of the composite drainage plate 3 while fixing, so that the concave-convex surface of the concave-convex drainage plate 5 is exposed from the through holes. Then, the other side of the wire mesh hot-melt gasket 1 is attached to the concave-convex surface, and finally, electromagnetic welding is used for welding to realize the fixing of the composite drainage plate 3.
[0041] The present utility model also provides a tunnel, including the tunnel waterproof structure based on the composite drainage plate 3 as described above.
[0042] Specifically, by using the tunnel waterproof structure based on the composite drainage plate 3 as described above, the problems that the construction fixing effect of the concave-convex drainage plate 5 in the tunnel is poor and the concave-convex drainage plate 5 is easily punctured during the fixing process are solved, and the waterproof and drainage integration effect of the composite drainage plate 3 in the tunnel is realized, laying a foundation for the tunnel to achieve the waterproof effect.
[0043] Optionally, the tunnel includes a tunnel body. The primary support layer 2 is arranged inside the tunnel body and forms an inverted U shape. The secondary lining concrete layer 6 is arranged inside the circumference of the composite drainage plate 3 and forms a ring shape.
[0044] Specifically, the tunnel waterproof structure based on the composite drainage plate 3 as described above is constructed inside the tunnel body. The construction steps are as follows:
[0045] Step 1: Fix the wire mesh hot-melt gasket 1 on the shotcrete surface of the primary support layer 2 in the tunnel body by using nail guns, with a fixing spacing of 1 m and a plum blossom distribution;
[0046] Step 2: Lay the composite drainage board 3 circumferentially in the tunnel. While laying, fix it. Weld the wire mesh hot-melt gasket 1 to the concave-convex surface of the concave-convex drainage board 5 of the composite drainage board 3, and cut off the geotextile 4 at the corresponding part to form a through hole, and then use an electromagnetic welder for welding to fix the composite drainage board 3;
[0047] Step 3: Connect the long-edge overlapping parts of the composite drainage board 3 by using automatic crawling welding;
[0048] Step 4: Pour the secondary lining concrete layer 6.
[0049] The above has described the embodiments of the present invention. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A tunnel waterproof structure based on a composite drainage board, the composite drainage board comprising a concave-convex drainage board and a geotextile pasted on the concave-convex surface of the concave-convex drainage board, characterized in that, Comprising: A wire mesh hot melt gasket, anchored on the primary support layer of the tunnel; A composite drainage board, arranged on the surface of the primary support layer, through holes for the wire mesh hot melt gasket to pass through are formed in the geotextile, and the wire mesh hot melt gasket passes through the through holes and is welded to the concave-convex surface of the concave-convex drainage board.
2. The tunnel waterproof structure based on a composite drainage board according to claim 1, characterized in that, It further includes a secondary lining concrete layer, and the secondary lining concrete layer is arranged inside the perimeter of the composite drainage board.
3. The tunnel waterproof structure based on composite drainage plates according to claim 1, characterized in that, A plurality of the wire mesh hot melt gaskets are provided.
4. The tunnel waterproof structure based on a composite drainage board according to claim 3, wherein, The plurality of wire mesh hot melt gaskets are arranged in a plum blossom shape.
5. The tunnel waterproof structure based on a composite drainage board according to claim 3, wherein The spacing between adjacent wire mesh hot melt gaskets is 1 m.
6. The tunnel waterproof structure based on the composite drainage board according to claim 1, characterized in that, A plurality of the composite drainage boards are arranged in sequence along the axial direction of the tunnel.
7. The tunnel waterproof structure based on the composite drainage board according to claim 6, characterized in that, Adjacent composite drainage boards are welded through their long side lapping edges.
8. The tunnel waterproof structure based on composite drainage plates according to claim 1, characterized in that, One side of the wire mesh hot melt gasket is in contact with the primary support layer, an anchoring hole is formed in the middle of the wire mesh hot melt gasket, and an anchoring component anchors the wire mesh hot melt gasket on the primary support layer through the anchoring hole, and a wire mesh is arranged on the other side of the wire mesh hot melt gasket.
9. A tunnel, characterized in that, Comprising the tunnel waterproof structure based on the composite drainage board according to any one of claims 1-8.
10. The tunnel according to claim 9, characterized in that, The tunnel includes a tunnel body, the primary support layer is arranged inside the tunnel body and forms an inverted U shape, and the secondary lining concrete layer is arranged inside the perimeter of the composite drainage board and forms a ring shape.