CN220816758U - Backfill structure of reinforced concrete pipeline - Google Patents
Backfill structure of reinforced concrete pipeline Download PDFInfo
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- CN220816758U CN220816758U CN202322822529.9U CN202322822529U CN220816758U CN 220816758 U CN220816758 U CN 220816758U CN 202322822529 U CN202322822529 U CN 202322822529U CN 220816758 U CN220816758 U CN 220816758U
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- reinforced concrete
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 91
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims description 52
- 238000007689 inspection Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a backfill structure of a reinforced concrete pipeline, which comprises the following components: the utility model has the beneficial effects that the first reinforced concrete is coated on the peripheral wall of the first pipeline and the second pipeline, the first reinforced concrete is coated on the splicing connecting position of the first pipeline and the second pipeline, and the splicing connecting position of the first pipeline and the second pipeline are provided with the following advantages: after being coated by the first reinforced concrete, the second pipeline is connected with the first pipeline into a whole, the second pipeline cannot sink relative to the first pipeline, a gap cannot exist at the splicing connection position of the first pipeline and the second pipeline, and the whole underground pipeline cannot leak.
Description
Technical Field
The utility model relates to the technical field of pipeline construction, in particular to a backfill structure of a reinforced concrete pipeline.
Background
Underground pipelines are pipelines that are laid underground and are used to transport liquids, gases or loose solids. Modern underground pipelines are various in variety, have various cross-section forms such as round, elliptic, semi-elliptic and rectangular, and are constructed by adopting materials such as steel, iron, reinforced concrete and clay.
Along with the continuous acceleration of urban process and municipal engineering development, the application of underground pipelines is more and more extensive, and the underground pipelines can be bent, deformed and even cracked and damaged under the action of vibration loads such as traffic loads, construction and the like, so that the pipelines are invalid and even secondary disasters are caused.
For a plurality of underground pipelines which are vertically downwards installed in the underground, the joints of the underground pipelines need to be spliced and connected in a sealing way, but each underground pipeline of the underground pipelines is installed on different stratum, if a certain stratum in the underground is sunken, the pipeline on the stratum is also sunken, the stratum adjacent to the stratum is not moved, gaps exist at the joints among the pipelines, namely, gaps exist among the pipelines, and if gaps exist between the two pipelines, the leakage occurs in the whole plurality of spliced pipelines. The pipeline needs to be backfilled underground after leakage occurs, and the prior art does not have a backfill structure of the pipeline so as to prevent the occurrence of leakage of the underground pipeline.
Disclosure of utility model
The utility model aims to provide a backfill structure of a reinforced concrete pipeline, wherein after the splicing connection position of a first pipeline and a second pipeline is coated by reinforced concrete, the reinforced concrete connects the first pipeline and the second pipeline into a whole, the second pipeline cannot sink relative to the first pipeline, and the whole underground pipeline cannot leak.
The utility model is realized by the following technical scheme:
A backfill structure for reinforced concrete pipes, comprising:
the first pipeline is buried underground;
The second pipeline is buried underground, and is connected with the first pipeline in a plugging manner, wherein the pipe orifice position of the second pipeline is connected with the pipe tail position of the first pipeline in a plugging manner, and the plugging connection position of the second pipeline and the first pipeline is sealed by a sealing element;
the first reinforced concrete is coated on the outer peripheral walls of the first pipeline and the second pipeline, and the first reinforced concrete is coated on the splicing connection position of the first pipeline and the second pipeline.
Optionally, the axis coincidence of first pipeline and second pipeline, the bayonet joint has been seted up to the pipe tail position of first pipeline, the bayonet joint is in the radial direction of first pipeline and towards the axis direction of first pipeline and set up, the mouth of pipe position of second pipeline is equipped with the bellmouth and connects, it has the bellmouth to open in the bellmouth connects, the bayonet joint is inserted and is established in the bellmouth.
Optionally, the sealing element is sleeved on the peripheral wall of the plug connector, the sealing element is a rubber ring, and the sealing element is abutted between the plug connector and the socket.
Optionally, the first reinforced concrete is abutted against the manhole wall, the number of the manhole walls is two, and the first reinforced concrete is abutted between the two manhole walls.
Optionally, the first reinforced concrete is internally provided with a reinforcing steel bar, the inspection well wall is internally provided with the reinforcing steel bar, and the reinforcing steel bar in the first reinforced concrete is connected with the reinforcing steel bar in the inspection well wall.
Optionally, the outer side wall of the first reinforced concrete is provided with a second graded broken stone layer with compactness being greater than 95%, and the second graded broken stone layer is coated on the first reinforced concrete.
Optionally, the outer side wall of the second graded broken stone layer is provided with a slurry block stone layer, and the slurry block stone layer is coated on the second graded broken stone layer.
Optionally, a second reinforced concrete is arranged between the inspection well wall and the grouted block stone layer, the second reinforced concrete is connected with the graded broken stone layer, the second reinforced concrete is plain concrete of C20, and the steel bars are reinforced concrete of C30.
Optionally, the first pipeline and the second pipeline are round pipes, the first pipeline and the second pipeline are provided with a first part (namely a lower semicircular part) and a second part (namely an upper semicircular part), the first reinforced concrete is coated on the peripheral wall of the first part of the first pipeline and the second pipeline, the first reinforced concrete is coated on the splicing connection position of the first part of the first pipeline and the second pipeline, the first-stage crushed stone layer with compactness greater than 95% is coated on the peripheral wall of the second part of the first pipeline and the second pipeline, and the first-stage crushed stone layer is coated on the splicing connection position of the second part of the first pipeline and the second pipeline.
Optionally, the first-stage is joined in marriage the gravel layer and is supported and lean on the inspection shaft wall, the number of inspection shaft wall has two, and the first-stage is joined in marriage the gravel layer and is supported and lean on between two inspection shaft walls, has the cross-section between first-stage and is triangle-shaped's fine stone muddy soil layer, fine stone muddy soil layer is located the first-stage and joins in marriage the gravel layer, and fine stone muddy soil layer is connected in first-stage and joins in marriage gravel layer and inspection shaft wall.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. According to the utility model, the first pipeline, the second pipeline and the first reinforced concrete are connected through plugging, wherein the pipe orifice of the second pipeline is connected with the pipe tail of the first pipeline through plugging, the plugging connection position of the second pipeline and the first pipeline is sealed through the sealing piece, the first reinforced concrete is coated on the peripheral wall of the first pipeline and the second pipeline, the first reinforced concrete is coated on the plugging connection position of the first pipeline and the second pipeline, after the plugging connection position of the first pipeline and the second pipeline and the first pipeline and the second pipeline are coated through the first reinforced concrete, the first reinforced concrete connects the first pipeline and the second pipeline into a whole, the second pipeline cannot sink relative to the first pipeline, gaps do not exist at the plugging connection position of the first pipeline and the second pipeline, and leakage does not occur in the whole underground pipeline.
2. According to the utility model, the first reinforced concrete is abutted between two inspection well walls, the first reinforced concrete is internally provided with the steel bars, the inspection well walls are internally provided with the steel bars, the steel bars in the first reinforced concrete are connected with the steel bars in the inspection well walls, the first reinforced concrete can be tightly connected with the inspection well walls, meanwhile, the first reinforced concrete is fixed, and the first reinforced concrete is connected with the first pipeline and the second pipeline again to prevent the first pipeline from moving relative to the second pipeline in the axial direction.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
Fig. 1 is a schematic view showing a front view of a first embodiment of the present utility model;
FIG. 2 is a view showing a sectional structure in the I-I direction of a first embodiment of the present utility model;
FIG. 3 is a view showing a cross-sectional view in the direction II-II of a first embodiment of the present utility model;
fig. 4 is a front view cross-sectional view of a second embodiment of the present utility model;
FIG. 5 is a diagram showing the construction of the connection between the first pipe and the second pipe according to the present utility model;
Fig. 6 is a partially enlarged sectional view showing a connection position of a first pipe and a second pipe according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-first pipeline, 2-second pipeline, 21-bellmouth joint, 3-first stage matched gravel layer, 4-inspection well wall of well, 5-thick liquid block stone layer, 6-second stage matched gravel layer, 7-second reinforced concrete, 8-first reinforced concrete, 9-fine stone concrete layer, 10-reinforcing steel bar, 11-spigot joint, 12-sealing piece and 13-bellmouth.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
As shown in fig. 1, this embodiment provides a backfill structure of a reinforced concrete pipe, including: the first pipeline 1, the second pipeline 2 and the first reinforced concrete 8, the first pipeline 1 and the second pipeline 2 are PE pipes, the first pipeline 1 and the second pipeline 2 are buried underground, the first pipeline 1 coincides with the axis of the second pipeline 2, the second pipeline 2 is connected with the first pipeline 1 through plugging, wherein the pipe orifice position of the second pipeline 2 is connected with the pipe tail position of the first pipeline 1 through plugging, the plugging connection position of the second pipeline 2 and the first pipeline 1 is sealed through a sealing piece 12, the first reinforced concrete 8 is coated on the peripheral walls of the first pipeline 1 and the second pipeline 2, the first reinforced concrete 8 is coated on the plugging connection position of the first pipeline 1 and the second pipeline 2, after the plugging connection position of the first pipeline 1 and the second pipeline 2 is coated by the first reinforced concrete 8, the second pipeline 2 cannot sink relative to the first pipeline 1, gaps do not exist in the plugging connection position of the first pipeline 1 and the second pipeline 2, and no leakage of the whole underground pipeline occurs.
As shown in fig. 5-6, the pipe tail position of the first pipe 1 is provided with a plug 11, the plug 11 is arranged in the radial direction of the first pipe 1 and faces the axial direction of the first pipe 1, the pipe mouth position of the second pipe 2 is provided with a socket joint 21, the socket joint 21 is internally provided with a socket 13, the plug 11 is inserted into the socket 13, the peripheral wall of the plug 11 is sleeved with a sealing element 12, the sealing element 12 is a rubber ring, and the sealing element 12 is propped against between the plug 11 and the socket 13.
The first reinforced concrete 8 is propped against the manhole wall 4, the number of the manhole walls 4 is two, the first reinforced concrete 8 is propped against between the two manhole walls 4, the first reinforced concrete 8 is internally provided with the steel bars 10, the manhole walls 4 are internally provided with the steel bars 10, the steel bars 10 in the first reinforced concrete 8 are connected with the steel bars 10 in the manhole walls 4, the first reinforced concrete 8 can be tightly connected with the manhole walls 4, and meanwhile, the first reinforced concrete 8 is also connected with the first pipeline 1 and the second pipeline 2 to prevent the first pipeline 1 from moving relative to the second pipeline 2 in the axial direction.
The second graded broken stone layer 6 with the compactness of more than 95% is arranged on the outer side wall of the first reinforced concrete 8, the second graded broken stone layer 6 is coated on the first reinforced concrete 8, the slurry block stone layer 5 is arranged on the outer side wall of the second graded broken stone layer 6, the slurry block stone layer 5 is coated on the second graded broken stone layer 6, the second graded broken stone layer 6 with the compactness of more than 95% is used for preventing fluid leakage in the first reinforced concrete 8, the slurry block stone layer 5 is often used as a retaining wall or slope protection of some highways in roadbed engineering, and a masonry structure built by mortar and rubble is adopted.
A second reinforced concrete 7 is arranged between the inspection well wall 4 and the grouted block stone layer 5, the second reinforced concrete 7 is connected with the graded broken stone layer 6, the second reinforced concrete 7 is plain concrete of C20, and the second reinforced concrete 7 fills a gap between the inspection well wall 4 and the grouted block stone layer 5.
Example 2
Based on example 1, as shown in fig. 4, in example 1, the outer peripheral walls of the first pipe 1 and the second pipe 2 are entirely covered with the first reinforced concrete 8, that is, the outer peripheral walls of the first pipe 1 and the second pipe 2 are entirely covered with the first reinforced concrete 8 by 360 °.
In this embodiment, the first pipeline 1 and the second pipeline 2 are divided into a first part and a second part, the first part of the first pipeline 1 and the second pipeline 2 is a 180-degree semicircle of the first pipeline 1 and the second pipeline, the second part of the first pipeline 1 and the second pipeline 2 is a 180-degree semicircle of the first pipeline 1 and the second pipeline, the first reinforced concrete 8 is semi-coated on the peripheral wall of the first part of the first pipeline 1 and the second pipeline 2, the first reinforced concrete 8 is semi-coated on the splicing connection position of the first part of the first pipeline 1 and the second pipeline 2, the first-stage matched crushed stone layer 3 with compactness of more than 95% is semi-coated on the peripheral wall of the second part of the first pipeline 1 and the second pipeline 2, and the first-stage matched crushed stone layer 3 is semi-coated on the splicing connection position of the second part of the first pipeline 1 and the second pipeline 2.
The difference of this embodiment with respect to embodiment 1 is: the outer peripheral walls of the second parts of the first pipeline 1 and the second pipeline 2 are coated by the first-stage crushed stone layer 3, so that the coating of the first reinforced concrete 8 of the embodiment 1 on the outer peripheral walls of the second parts of the first pipeline 1 and the second pipeline 2 is replaced, and the second parts of the first pipeline 1 and the second pipeline 2 are prevented from leaking.
The first-stage gravel layer 3 is abutted against the inspection well wall 4, the number of the inspection well wall 4 is two, the first-stage gravel layer 3 is abutted against between the two inspection well walls 4, the fine stone mud layer 9 with triangular cross sections is arranged between the first-stage gravel layer 3 and the inspection well wall 4, the fine stone mud layer 9 is located in the first-stage gravel layer 3, the fine stone mud layer 9 is connected with the first-stage gravel layer 3 and the inspection well wall 4, and the fine stone mud layer 9 blocks fluid inside the inspection well wall 4 from flowing to the peripheral wall of the first pipeline 1.
Example 3
Based on the embodiment 1-2, as shown in fig. 2-3, the first reinforced concrete 8 coats the outer peripheral walls of the lower half parts of the first pipeline 1 and the second pipeline 2, the first reinforced concrete 8 is internally provided with the steel bars 10, and the outer peripheral walls of the upper half parts of the first pipeline 1 and the second pipeline 2 can be coated by the first reinforced concrete 8 or coated by the first-stage crushed stone layer 3.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A backfill structure for a reinforced concrete pipe, comprising:
A first pipe (1), the first pipe (1) being buried under the ground;
The second pipeline (2) is buried underground, the second pipeline (2) is connected with the first pipeline (1) through plugging, the pipe orifice position of the second pipeline (2) is connected with the pipe tail position of the first pipeline (1) through plugging, and the plugging connection position of the second pipeline (2) and the first pipeline (1) is sealed through a sealing piece (12);
The reinforced concrete pipe comprises a first reinforced concrete pipe body (8), wherein the first reinforced concrete pipe body (8) is coated on the outer peripheral walls of the first pipe body (1) and the second pipe body (2), and the first reinforced concrete pipe body (8) is coated on the splicing connection position of the first pipe body (1) and the second pipe body (2).
2. The backfill structure of a reinforced concrete pipe according to claim 1, wherein the first pipe (1) coincides with the axis of the second pipe (2), the pipe tail position of the first pipe (1) is provided with a plug connector (11), the plug connector (11) is provided in the radial direction of the first pipe (1) and towards the axis direction of the first pipe (1), the pipe mouth position of the second pipe (2) is provided with a socket connector (21), a socket (13) is provided in the socket connector (21), and the plug connector (11) is inserted in the socket (13).
3. The backfill structure of a reinforced concrete pipeline according to claim 2, characterized in that the sealing element (12) is sleeved on the peripheral wall of the plug connector (11), the sealing element (12) is a rubber ring, and the sealing element (12) is abutted between the plug connector (11) and the socket (13).
4. The backfill structure of the reinforced concrete pipeline according to claim 1, wherein the first reinforced concrete (8) is abutted against the manhole walls (4), the number of the manhole walls (4) is two, and the first reinforced concrete (8) is abutted between the two manhole walls (4).
5. The backfill structure of a reinforced concrete pipe according to claim 4, wherein the first reinforced concrete (8) is internally provided with a reinforcing steel bar (10), the manhole wall (4) is internally provided with the reinforcing steel bar (10), and the reinforcing steel bar (10) in the first reinforced concrete (8) is connected with the reinforcing steel bar (10) in the manhole wall (4).
6. The backfill structure of a reinforced concrete pipe according to claim 4, wherein the outer side wall of the first reinforced concrete (8) is provided with a second graded crushed stone layer (6) with a compactness of more than 95%, and the second graded crushed stone layer (6) is coated on the first reinforced concrete (8).
7. The backfill structure of a reinforced concrete pipe according to claim 6, wherein the outer side wall of the second graded crushed stone layer (6) is provided with a slurry block stone layer (5), and the slurry block stone layer (5) is coated on the second graded crushed stone layer (6).
8. The backfill structure of a reinforced concrete pipe according to claim 7, characterized in that a second reinforced concrete (7) is arranged between the inspection well wall (4) and the grouted block stone layer (5), the second reinforced concrete (7) is connected with the graded broken stone layer (6), the second reinforced concrete (7) is plain concrete of C20, and the steel bar (10) is reinforced concrete of C30.
9. The backfill structure of a reinforced concrete pipe according to claim 1, wherein the first pipe (1) and the second pipe (2) have a first portion and a second portion, the first reinforced concrete (8) is coated on the outer peripheral walls of the first portion of the first pipe (1) and the second pipe (2), the first reinforced concrete (8) is coated on the plug connection position of the first portion of the first pipe (1) and the second pipe (2), the first-stage crushed stone layer (3) with the compactness greater than 95% is coated on the outer peripheral walls of the second portion of the first pipe (1) and the second pipe (2), and the first-stage crushed stone layer (3) is coated on the plug connection position of the second portion of the first pipe (1) and the second pipe (2).
10. The backfill structure of a reinforced concrete pipeline according to claim 9, wherein the first-stage crushed stone layer (3) is abutted against the manhole wall (4), the number of the manhole walls (4) is two, the first-stage crushed stone layer (3) is abutted against the two manhole walls (4), a fine stone mixed soil layer (9) with a triangular section is arranged between the first-stage crushed stone layer (3) and the manhole walls (4), the fine stone mixed soil layer (9) is positioned in the first-stage crushed stone layer (3), and the fine stone mixed soil layer (9) is connected to the first-stage crushed stone layer (3) and the manhole walls (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322822529.9U CN220816758U (en) | 2023-10-20 | 2023-10-20 | Backfill structure of reinforced concrete pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322822529.9U CN220816758U (en) | 2023-10-20 | 2023-10-20 | Backfill structure of reinforced concrete pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN220816758U true CN220816758U (en) | 2024-04-19 |
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| CN202322822529.9U Active CN220816758U (en) | 2023-10-20 | 2023-10-20 | Backfill structure of reinforced concrete pipeline |
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2023
- 2023-10-20 CN CN202322822529.9U patent/CN220816758U/en active Active
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