CN219932243U - Tunnel short side wall drainage blind pipe - Google Patents
Tunnel short side wall drainage blind pipe Download PDFInfo
- Publication number
- CN219932243U CN219932243U CN202321420762.8U CN202321420762U CN219932243U CN 219932243 U CN219932243 U CN 219932243U CN 202321420762 U CN202321420762 U CN 202321420762U CN 219932243 U CN219932243 U CN 219932243U
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- Prior art keywords
- blind pipe
- pipe
- side wall
- longitudinal
- drain
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- 239000004746 geotextile Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel short side wall drainage blind pipe which comprises a pre-buried blind pipe assembly, connecting pieces and longitudinal extension pipes, wherein the connecting pieces are arranged at two ends of the pre-buried blind pipe assembly, the longitudinal extension pipes are movably connected with the pre-buried blind pipe assembly through the connecting pieces, the connecting pieces are pre-buried in short side wall concrete, and the longitudinal extension pipes are connected to the outside of the short side wall concrete. The short side wall drainage blind pipe of the tunnel can quickly replace a damaged pipeline under the condition that concrete at the pipeline part is not chiseled, so that the drainage blind pipe is prevented from being damaged secondarily during pipe extension, and the reworking times and cost are reduced.
Description
Technical Field
The utility model relates to the technical field of drainage blind pipes, in particular to a tunnel short side wall drainage blind pipe.
Background
In tunnel engineering, the quality of the waterproof and drainage engineering is related to the driving safety of trains during the operation of tunnels in the future. According to the arrangement of the current tunnel engineering lining back drainage system, a longitudinal drainage blind pipe is arranged at the back of the lining. The bottom ends of the waterproof plates at the outer sides of the side walls at the two sides of the tunnel are longitudinally provided with drain pipes, and the two ends of each drain pipe are directly communicated with the side channels of the tunnel by adopting socket joint type drain pipes.
However, in the construction process, the drain pipe connected with the side ditch is required to be pre-buried when the side wall is poured, the reserved pipeline is extremely easy to damage when the mould is removed, the short side wall part concrete needs to be chiseled off after the pipeline is damaged, and the pipeline can still be damaged secondarily in the chiseling process, so that manpower and material resources are wasted.
Disclosure of Invention
Based on the above, the utility model aims to provide a short side wall drainage blind pipe for a tunnel, which can quickly replace a damaged pipeline under the condition that concrete at the pipeline part is not chiseled, ensure that the drainage blind pipe is not secondarily damaged when a pipe is connected, and reduce the reworking times and cost.
The utility model provides a short side wall drainage blind pipe in tunnel, includes pre-buried blind pipe subassembly, connecting piece and vertical extension pipeline, and the connecting piece is installed in pre-buried blind pipe subassembly's both ends, and vertical extension pipeline passes through connecting piece and pre-buried blind pipe subassembly swing joint, and the connecting piece is pre-buried in short side wall concrete inside, and vertical extension pipeline is connected to short side wall concrete outside.
The embedded blind pipe assembly of the tunnel short side wall drainage blind pipe is movably connected with a longitudinal extension pipeline through a connecting piece. When the tunnel low side wall drainage blind pipe is constructed, firstly, the pre-buried blind pipe assembly is positioned and pre-buried, then the connecting piece is arranged on the pre-buried blind pipe assembly, and then the tunnel low side wall template is arranged. And after the tunnel short side wall template is installed, a longitudinal extension pipeline is installed, the longitudinal extension pipeline is movably connected with the connecting piece, and the longitudinal extension pipeline extends out of the template. And pouring tunnel short side wall concrete, removing the template after the concrete is fixed, and removing the longitudinal extension pipeline damaged by the removed template. According to the utility model, the longitudinal extension pipe is connected with the pre-buried blind pipe assembly in advance through the connecting piece, and the longitudinal extension pipe is directly dismantled after concrete pouring. According to the quick replacement method, the quick replacement of the damaged pipeline can be performed under the condition that the concrete at the pipeline part is not chiseled, the pre-buried drainage blind pipe assembly is ensured not to be damaged secondarily when the longitudinal extension pipe is connected, and the reworking times and cost are reduced.
Further preferably, the connection is a direct joint.
Further preferably, the pre-buried blind pipe assembly comprises a side wall longitudinal blind pipe and a longitudinal pre-buried drain pipe, wherein one end of the longitudinal pre-buried drain pipe is connected to two ends of the side wall longitudinal blind pipe, and the longitudinal pre-buried drain pipe is obliquely arranged downwards relative to the side wall longitudinal blind pipe.
Further preferably, the embedded blind pipe assembly further comprises a socket joint, the side wall longitudinal blind pipe and the longitudinal embedded drain pipe are connected with the socket joint respectively, and the side wall longitudinal blind pipe is connected with the longitudinal embedded drain pipe through the socket joint.
Further preferably, the inclination angle between the longitudinal pre-buried drain pipe and the side wall longitudinal blind pipe is 135 degrees.
Further preferably, the other end of the embedded drain pipe is connected with a connecting piece, and the longitudinal embedded drain pipe is movably connected with the longitudinal extension pipe through the connecting piece.
Further preferably, the side wall longitudinal blind pipe is a corrugated pipe, and geotextile is wrapped on the corrugated pipe.
Still preferably, the device further comprises a circumferential blind pipe assembly, wherein the circumferential blind pipe assembly is connected with a connecting piece, and the circumferential blind pipe assembly is movably connected with the circumferential extension pipe through the connecting piece.
Further preferably, the annular blind pipe assembly comprises an arch wall annular blind pipe and an arch wall annular drain pipe, wherein the arch wall annular blind pipe is connected with the arch wall annular drain pipe, and the arch wall annular drain pipe is movably connected with the annular extension pipe through a connecting piece.
Further preferably, the annular blind pipe assembly further comprises a tunnel bottom annular blind pipe and a tunnel bottom annular drain pipe, and the tunnel bottom annular blind pipe is connected with the tunnel bottom annular drain pipe.
Compared with the prior art, the connecting piece is arranged on the drainage blind pipe of the tunnel short side wall, the longitudinal extension pipe is arranged through the connecting piece, and the damaged longitudinal extension pipe is removed after the template is removed after the pouring of the tunnel short side wall is completed. The connecting piece is directly connected and installed after the longitudinal extension pipe is connected again, part of concrete does not need to be chiseled off, the pipeline cannot be damaged, and the applicability is strong. The longitudinal extension tube can be quickly replaced after being damaged, and the reworking times are reduced.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a schematic view of a tunnel low side wall drain blind pipe.
Reference numerals:
1. a connecting piece; 2. longitudinally lengthening the pipeline; 3. side wall longitudinal blind pipes; 4. longitudinally pre-burying a drain pipe; 5. a socket joint; 6. a circumferential extension tube; 7. the arch wall is annular to the blind pipe; 8. the arch wall is annular to the drain pipe; 9. a tunnel bottom annular blind pipe; 10. the tunnel bottom is annular to the drain pipe.
Detailed Description
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.
The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with aspects of the present disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
As shown in fig. 1, this embodiment discloses a drainage blind pipe for a short side wall of a tunnel, which comprises a pre-buried blind pipe assembly, a connecting piece 1 and a longitudinal extension pipe 2. Wherein, connecting piece 1 installs in the both ends of pre-buried blind pipe subassembly, and vertical extension pipeline 2 passes through connecting piece 1 and pre-buried blind pipe subassembly swing joint, and connecting piece 1 is pre-buried in short side wall concrete inside, and vertical extension pipeline 2 is connected to short side wall concrete outside. Preferably, the connection 1 is a direct joint.
Further, the pre-buried blind pipe assembly comprises a side wall longitudinal blind pipe 3 and a longitudinal pre-buried drain pipe 4, one end of the longitudinal pre-buried drain pipe 4 is connected to two ends of the side wall longitudinal blind pipe 3, and the longitudinal pre-buried drain pipe 4 is obliquely arranged downwards relative to the side wall longitudinal blind pipe 3. In order to realize the connection of the side wall longitudinal blind pipe 3 and the longitudinal embedded drain pipe 4, the embedded blind pipe assembly further comprises a socket joint 5, the side wall longitudinal blind pipe 3 and the longitudinal embedded drain pipe 4 are respectively connected with the socket joint 5, and the side wall longitudinal blind pipe 3 is connected with the longitudinal embedded drain pipe 4 through the socket joint 5. Preferably, the inclination angle between the longitudinal pre-buried drain pipe 4 and the side wall longitudinal blind pipe 3 is 135 degrees. The other end of the embedded drain pipe is connected with the connecting piece 1, and the longitudinal embedded drain pipe 4 is movably connected with the longitudinal extension pipe 2 through the connecting piece 1. The side wall longitudinal blind pipe 3 is a corrugated pipe, and geotextile is wrapped on the corrugated pipe.
The pre-buried blind pipe assembly of the tunnel short side wall drainage blind pipe of the embodiment is movably connected with a longitudinal extension pipeline 2 through a connecting piece 1. When the tunnel short side wall drainage blind pipe is constructed, firstly, the side wall longitudinal blind pipe 3 and the longitudinal embedded drain pipe 4 are fixedly connected through the socket joint 5, then the connecting piece 1 is installed on the longitudinal embedded drain pipe 4, and then the tunnel short side wall template is installed. The longitudinal extension pipeline 2 is installed after the tunnel short side wall template is installed, the longitudinal extension pipeline 2 is movably connected with the connecting piece 1, and the longitudinal extension pipeline 2 extends out of the template. And then rechecking, positioning and reinforcing the pre-buried blind pipe assembly, simultaneously reinforcing the tunnel short side wall template, and pouring tunnel short side wall concrete. And after the concrete of the poured tunnel short side wall is cured to the demolding requirement, removing the short side wall template. After the template is removed, the longitudinal extension pipeline 2 damaged by the template is removed, and convenience is provided for the later-stage re-extension of the longitudinal extension pipeline 2. In the embodiment, the longitudinal extension pipe 2 is connected to the pre-buried blind pipe assembly in advance through the connecting piece 1, and the longitudinal extension pipe 2 is directly dismantled after concrete pouring, and the connecting piece 1 is arranged, so that the longitudinal extension pipe can be directly reconnected through the connecting piece 1 after the longitudinal extension pipe 2 is dismantled. According to the quick replacement method, the quick replacement of the damaged pipeline can be performed under the condition that the concrete at the pipeline part is not chiseled, the pre-buried drainage blind pipe assembly is ensured not to be damaged secondarily when the longitudinal extension pipe is connected, and the reworking times and cost are reduced.
The tunnel short side wall drainage blind pipe construction technology of this embodiment is low in difficulty, and practicality and suitability are strong, and when adopting this tunnel short side wall drainage blind pipe construction, can effectively guarantee construction quality, reduce and rework number of times and cost have certain popularization and application value.
The tunnel low side wall drainage blind pipe further comprises a circular blind pipe assembly, the circular blind pipe assembly is connected with a connecting piece 1, and the circular blind pipe assembly is movably connected with a circular extension pipe 6 through the connecting piece 1. The annular blind pipe assembly comprises an arch wall annular blind pipe 7 and an arch wall annular drain pipe 8, and the arch wall annular blind pipe 7 is connected with the arch wall annular drain pipe 8. Preferably, the arch wall annular blind pipe 7 is connected with the arch wall annular drain pipe through 110-degree socket joint type drain pipe fittings. The arch wall annular drain pipe 8 is movably connected with the annular extension pipe 6 through the connecting piece 1. Further, the annular blind pipe assembly further comprises a tunneling bottom annular blind pipe 9 and a tunneling bottom annular drain pipe 10, and the tunneling bottom annular blind pipe 9 is connected with the tunneling bottom annular drain pipe 10.
The connecting piece 1 is also arranged on the annular blind pipe assembly, after the concrete pouring is completed and the template and the annular extension pipe 6 are removed, the annular extension pipe 6 can be reconnected again through the connecting piece 1, part of concrete does not need to be chiseled off, a pipeline cannot be damaged, and the applicability is strong.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. The utility model provides a short side wall drainage blind pipe in tunnel which characterized in that: including pre-buried blind pipe subassembly, connecting piece and vertical extension pipeline, the connecting piece is installed in pre-buried blind pipe subassembly's both ends, and vertical extension pipeline passes through connecting piece and pre-buried blind pipe subassembly swing joint, and the connecting piece is pre-buried in short side wall concrete inside, and vertical extension pipeline is connected to short side wall concrete outside.
2. The tunnel low sidewall drain blind pipe according to claim 1, wherein: the connecting piece is a direct joint.
3. The tunnel low sidewall drain blind pipe according to claim 1, wherein: the embedded blind pipe assembly comprises a side wall longitudinal blind pipe and a longitudinal embedded drain pipe, one end of the longitudinal embedded drain pipe is connected to two ends of the side wall longitudinal blind pipe, and the longitudinal embedded drain pipe is arranged in a downward inclined mode relative to the side wall longitudinal blind pipe.
4. A tunnel low sidewall drain blind pipe according to claim 3, wherein: the embedded blind pipe assembly further comprises a socket joint, the side wall longitudinal blind pipe and the longitudinal embedded drain pipe are connected with the socket joint respectively, and the side wall longitudinal blind pipe is connected with the longitudinal embedded drain pipe through the socket joint.
5. The tunnel low sidewall drain blind pipe according to claim 4, wherein: the inclination angle between the longitudinal pre-buried drain pipe and the side wall longitudinal blind pipe is 135 degrees.
6. The tunnel low sidewall drain blind pipe according to claim 4, wherein: the other end of the embedded drain pipe is connected with the connecting piece, and the longitudinal embedded drain pipe is movably connected with the longitudinal extension pipeline through the connecting piece.
7. A tunnel low sidewall drain blind pipe according to claim 3, wherein: the longitudinal blind pipe of the side wall is a corrugated pipe, and geotextile is wrapped on the corrugated pipe.
8. The tunnel low sidewall drainage blind pipe according to any one of claims 1 to 7, wherein: the device also comprises a circumferential blind pipe assembly, wherein the circumferential blind pipe assembly is connected with a connecting piece, and the circumferential blind pipe assembly is movably connected with the circumferential extension pipe through the connecting piece.
9. The tunnel low sidewall drain blind pipe according to claim 8, wherein: the annular blind pipe assembly comprises an arch wall annular blind pipe and an arch wall annular drain pipe, wherein the arch wall annular blind pipe is connected with the arch wall annular drain pipe, and the arch wall annular drain pipe is movably connected with the annular extension pipe through a connecting piece.
10. The tunnel low sidewall drainage blind pipe according to any one of claims 1 to 7, wherein: the annular blind pipe assembly further comprises a tunnel bottom annular blind pipe and a tunnel bottom annular drain pipe, and the tunnel bottom annular blind pipe is connected with the tunnel bottom annular drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420762.8U CN219932243U (en) | 2023-06-05 | 2023-06-05 | Tunnel short side wall drainage blind pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420762.8U CN219932243U (en) | 2023-06-05 | 2023-06-05 | Tunnel short side wall drainage blind pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932243U true CN219932243U (en) | 2023-10-31 |
Family
ID=88488427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321420762.8U Active CN219932243U (en) | 2023-06-05 | 2023-06-05 | Tunnel short side wall drainage blind pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932243U (en) |
-
2023
- 2023-06-05 CN CN202321420762.8U patent/CN219932243U/en active Active
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