CN222479645U - Connection structure of steel pipe and reinforced concrete pipe jacking - Google Patents
Connection structure of steel pipe and reinforced concrete pipe jacking Download PDFInfo
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- CN222479645U CN222479645U CN202421432187.8U CN202421432187U CN222479645U CN 222479645 U CN222479645 U CN 222479645U CN 202421432187 U CN202421432187 U CN 202421432187U CN 222479645 U CN222479645 U CN 222479645U
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Abstract
本申请涉及一种钢管与钢筋混凝土顶管的连接结构。本申请适用于水利水电工程技术领域。本申请要解决的技术问题是：提供一种钢管与钢筋混凝土顶管的连接结构。本申请所采用的技术方案是：一种钢管与钢筋混凝土顶管的连接结构，其特征在于，包括：混凝土连接段，其内部设有管身钢筋网，混凝土连接段与钢筋混凝土顶管的端部插接配合；钢管段，其外壁设有止水环组件，止水环组件至少部分与管身钢筋网相连接；衬垫，设于混凝土连接段与钢筋混凝土顶管的连接处；钢套环，套设于混凝土连接段与钢筋混凝土顶管的连接处的外表面，钢套环的内壁至少部分与衬垫相连接；注浆组件，注浆组件用于对钢套环内壁与连接处之间的缝隙进行注浆封缝。
The present application relates to a connection structure between a steel pipe and a reinforced concrete top pipe. The present application is applicable to the technical field of water conservancy and hydropower engineering. The technical problem to be solved by the present application is: to provide a connection structure between a steel pipe and a reinforced concrete top pipe. The technical solution adopted by the present application is: a connection structure between a steel pipe and a reinforced concrete top pipe, characterized in that it comprises: a concrete connection section, the interior of which is provided with a pipe body steel mesh, the concrete connection section and the end of the reinforced concrete top pipe are plugged in and matched; a steel pipe section, the outer wall of which is provided with a water stop ring assembly, the water stop ring assembly is at least partially connected to the pipe body steel mesh; a gasket, which is arranged at the connection between the concrete connection section and the reinforced concrete top pipe; a steel sleeve, which is sleeved on the outer surface of the connection between the concrete connection section and the reinforced concrete top pipe, the inner wall of the steel sleeve is at least partially connected to the gasket; a grouting assembly, the grouting assembly is used to grout and seal the gap between the inner wall of the steel sleeve and the connection.
Description
Technical Field
The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to a connecting structure of a steel pipe and a reinforced concrete jacking pipe.
Background
The drainage pipeline passes through the road, the railway and other crossing buildings and adopts the pipe jacking to pass through, the pipe jacking is more, and the reinforced concrete pipe jacking has the characteristics of good durability, investment saving and the like. The joints of the reinforced concrete jacking pipe mostly adopt steel bellmouths and double-socket joints so as to facilitate construction.
However, at the positions of pipeline turning, fittings and the like, the conversion connection of a steel pipe and a reinforced concrete jacking pipe is unavoidable, and the related conversion connection structure is few at present, so that the problem of how to realize reliable connection between different pipes is an urgent need to be solved.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a connection structure of a steel pipe and a reinforced concrete jacking pipe.
The technical scheme adopted by the utility model is that the connecting structure of the steel pipe and the reinforced concrete jacking pipe is characterized by comprising the following components:
The concrete connecting section is internally provided with a pipe body reinforcing mesh, and the concrete connecting section is in plug-in fit with the end part of the reinforced concrete jacking pipe;
The outer wall of the steel pipe section is provided with a water stop ring assembly, and the water stop ring assembly is at least partially connected with the steel bar net of the pipe body;
the lining is arranged at the joint of the concrete connecting section and the reinforced concrete jacking pipe;
The steel sleeve ring is sleeved on the outer surface of the joint of the concrete connecting section and the reinforced concrete jacking pipe, and the inner wall of the steel sleeve ring is at least partially connected with the gasket;
and the grouting assembly is used for grouting and sealing gaps between the inner wall of the steel sleeve ring and the connecting part.
Through above-mentioned technical means, utilize concrete linkage segment and reinforced concrete push pipe grafting cooperation to realize being connected, utilize the steel pipe section to be connected with the steel pipe for reinforced concrete push pipe and steel pipe realize conversion connection, the surface of both junction is located to the steel sleeve ring, can produce the gap between steel sleeve ring and the junction, utilizes slip casting subassembly to seal the gap, in order to guarantee that the junction has sufficient intensity.
In some embodiments, the reinforced concrete jacking pipe can be in socket fit, one end of the reinforced concrete jacking pipe is a socket end, and the other end of the reinforced concrete jacking pipe is a socket end;
The concrete connecting section comprises a concrete socket section and a concrete spigot section, the concrete socket section is identical to the socket end of the reinforced concrete jacking pipe in size, the concrete socket section can be matched with the spigot end of the reinforced concrete jacking pipe, the concrete spigot section is identical to the socket end of the reinforced concrete jacking pipe in size, and the concrete spigot section can be matched with the socket end of the reinforced concrete jacking pipe.
In some embodiments, the grouting assembly comprises a grouting pipe, the grouting pipe is communicated with the gap, and after grouting of the grouting pipe is completed, the pipe orifice of the grouting pipe is plugged by epoxy mortar;
If the bell mouth end of the reinforced concrete jacking pipe is connected with the concrete jack section, the grouting pipe is arranged in the concrete jack section;
If the socket end of the reinforced concrete jacking pipe is connected with the concrete bell section, the grouting pipe is arranged inside the socket end of the reinforced concrete jacking pipe.
In some embodiments, if the socket end of the reinforced concrete top pipe is connected with the concrete jack section, an anchoring steel bar connected to the inner wall of the steel collar is arranged inside the socket end of the reinforced concrete top pipe;
if the socket end of the reinforced concrete jacking pipe is connected with the concrete bell section, the pipe body reinforcing steel mesh inside the concrete bell section is connected with the inner wall of the steel sleeve ring.
In some embodiments, the water stop ring assembly comprises a first water stop ring and a second water stop ring, the outer wall of the steel pipe section is provided with the first water stop ring and the second water stop ring, and the first water stop ring is connected with the steel mesh of the pipe body.
In some embodiments, a wedge-shaped rubber ring is arranged in the gap, and the wedge-shaped rubber ring is made of neoprene with the Shore hardness of 45-55.
In some embodiments, silicone oil is brushed on the inclined surface of the wedge-shaped rubber ring and the inclined opening of the steel sleeve ring.
In some embodiments, the gasket is sealed with a sealant on both the inner and outer surfaces of the seam formed by the gasket.
In some embodiments, 4-6 gaskets are selected according to pipe diameters, and the gaskets are 30mm thick multi-layer plywood.
In some embodiments, the outer wall of the steel pipe section is poured with concrete connected with the concrete connecting section, and reinforcing bars connected with the steel pipe body reinforcing steel mesh are arranged in the concrete.
The beneficial effects of the utility model are as follows:
1. The water stop ring assembly on the steel pipe section is welded with the steel mesh of the pipe body of the concrete connecting section, so that the steel pipe section is connected with the steel pipe, conversion connection is realized between the reinforced concrete pipe and the steel pipe, the steel collar is sleeved at the joint between the concrete connecting section and the reinforced concrete pipe, and grouting joint sealing is performed on a gap generated between the inner wall of the steel collar and the joint by using the grouting assembly, thereby improving the safety, reliability, durability and structural strength of the joint.
Drawings
Fig. 1 is a schematic view of a construction of a reinforced concrete jacking pipe according to the present application.
Fig. 2 is a schematic structural view of a steel bar mesh for a pipe body according to the present application.
Fig. 3 is a schematic structural view of the connection of the socket end of the reinforced concrete push pipe with the steel pipe in the present application.
Fig. 4 is a schematic structural view of the connection between the socket end of the reinforced concrete jacking pipe and the steel pipe in the present application.
Fig. 5 is a schematic structural view of the socket-and-spigot fitting of the reinforced concrete roof tube in the present application.
Reference numerals illustrate:
1. A concrete connecting section; 2, steel pipe sections, 3, gaskets, 4, steel sleeve rings, 5, pipe body reinforcing steel meshes, 6, anchoring reinforcing steel bars, 7, a first water stop ring, 8, a second water stop ring, 9, grouting pipes, 10, wedge-shaped rubber rings, 11, sealing glue, 12, reinforcing steel bars, 13, circumferential stress bars, 14, pre-buried steel plates and 15, pipe body distribution reinforcing steel bars.
The present specification includes references to "one embodiment" or "an embodiment. The appearances of the phrase "in one embodiment" or "in an embodiment" are not necessarily referring to the same embodiment. The particular features, structures, or characteristics may be combined in any suitable manner consistent with the present disclosure.
The term "comprising" is open ended. As used in the appended claims, the term does not exclude additional structures or steps.
"First", "second", etc. As used herein, these terms serve as labels for the nouns they precede and do not imply any type of ordering (e.g., spatial, temporal, logical, etc.).
Detailed Description
In order to make the person skilled in the art better understand the solution of the present utility model, the following describes the solution of the present utility model with reference to specific embodiments.
Embodiment one:
Referring to fig. 1 to 3, this embodiment is a connection structure of a steel pipe and a reinforced concrete pipe, including a concrete connection section 1, a steel pipe section 2, a gasket 3, a steel collar 4 and a grouting assembly, a pipe body reinforcing steel net 5 is disposed in the concrete connection section 1, the concrete connection section 1 is in plug-in fit with the end of the reinforced concrete pipe, a water stop ring assembly is disposed on the outer wall of the steel pipe section 2, at least part of the water stop ring assembly is connected with the pipe body reinforcing steel net 5, a certain length is reserved at the end of the steel pipe section 2 so as to facilitate welding of the steel pipe, a gasket 3 is disposed at the joint between the concrete connection section 1 and the reinforced concrete pipe, a steel collar 4 is disposed on the outer surface of the joint between the concrete connection section 1 and the reinforced concrete pipe, a certain gap exists between the steel collar 4 and the joint, at least part of the inner wall of the steel collar 4 is connected with the gasket 3, and the grouting assembly is used for grouting sealing the gap between the inner wall of the steel collar 4 and the outer wall of the joint.
In some embodiments, fig. 1 shows a concrete structure of a reinforced concrete jacking pipe in the present embodiment. As shown in fig. 2, the steel bar net 5 for pipe body comprises annular stress bars 13, pre-buried steel plates 14, anchor steel bars 6 and steel bar distribution bars 15 for pipe body, the annular stress bars 13 are arranged along the axial interval of the concrete connecting section 1, the steel bar distribution bars 15 for pipe body are arranged along the annular interval of the annular stress bars 13, the part of the steel bar distribution bars 15 for pipe body, which is positioned at the end part of the concrete connecting section 1, is connected with the pre-buried steel plates 14 through the anchor steel bars 6, and the pre-buried steel plates 14 are used for being connected with the inner wall of the steel sleeve ring 4.
In some embodiments, socket fit is adopted between the reinforced concrete jacking pipes, one end of the reinforced concrete jacking pipe is a socket end, and the other end of the reinforced concrete jacking pipe is a socket end.
In some embodiments, as shown in fig. 3, when the socket end of the reinforced concrete top pipe needs to be connected to a steel pipe, the concrete connection section 1 in this example is a concrete socket section, and the concrete socket section has the same size as the socket end of the reinforced concrete top pipe, and can be matched with the socket end of the reinforced concrete top pipe.
Further, the water stop ring assembly comprises a first water stop ring 7 and a second water stop ring 8, two water stop rings of the first water stop ring 7 and the second water stop ring 8 are arranged on the outer wall of the steel pipe section 2, and the first water stop ring 7 is welded with a circumferential stress rib 13 close to the end part of the first water stop ring 7 in the pipe body reinforcing steel bar net 5. The outer wall of the steel pipe section 2 is poured with concrete connected with the concrete connecting section 1, the used concrete and the reinforced concrete jacking pipe have the same thickness and the same label, and a layer of reinforcing bars 12 connected with the pipe body reinforcing steel mesh 5 are arranged in the concrete.
Further, an anchor bar 6 is arranged in the socket end of the reinforced concrete push pipe, the anchor bar 6 is connected with the inner wall of the steel sleeve ring 4, and a gap is generated between the steel sleeve ring 4 and the concrete socket section after the socket end of the reinforced concrete push pipe is matched with the concrete socket section in a bearing way.
Further, the grouting assembly comprises a grouting pipe 9, the grouting pipe 9 is arranged in the concrete jack section, the grouting pipe 9 is communicated with a gap between the steel collar 4 and the concrete jack section, grouting is conducted in the gap through the grouting pipe 9, the joint surface is guaranteed to be watertight, and after grouting of the grouting pipe 9 is completed, the pipe orifice of the grouting pipe 9 is plugged by epoxy mortar.
Furthermore, the inner surface and the outer surface of the seam surface formed by the gasket 3 are sealed by adopting sealant 11, 4-6 gaskets are selected for the gasket 3 according to the pipe diameter, and the gasket 3 is made of a 30mm thick multi-layer plywood.
Further, the wedge-shaped rubber ring 10 is arranged in the gap, the wedge-shaped rubber ring 10 is made of neoprene, the Shore hardness is 45-55, and the connector is smooth and flat, has no trace and is not allowed to be split.
Further, before the concrete connecting section 1 is connected with the reinforced concrete jacking pipe in a socket joint manner, a layer of silicone oil is brushed on the inclined plane of the wedge-shaped rubber ring 10 and the inclined opening of the steel sleeve ring 4, other grease or lubricant such as soapy water is strictly forbidden, after the socket joint is completed, a probe rod is adopted to be inserted into the gap of the steel sleeve ring 4, whether the rubber ring is positioned accurately or not is checked along the periphery, and if the phenomena such as overturning, displacement and the like are found, the rubber ring is pulled out to be re-adhered and inserted.
Embodiment two:
As shown in fig. 4, this embodiment is a connection structure of a steel pipe and a reinforced concrete top pipe, and is different from the first embodiment in that, when a socket end of the reinforced concrete top pipe needs to be connected to the steel pipe, a concrete connection section 1 in this embodiment adopts a concrete socket section, and the concrete socket section has the same size as a socket end of the reinforced concrete top pipe, and can be matched with the socket end of the reinforced concrete top pipe.
Further, the water stop ring assembly comprises a first water stop ring 7 and a second water stop ring 8, two water stop rings of the first water stop ring 7 and the second water stop ring 8 are arranged on the outer wall of the steel pipe section 2, and the first water stop ring 7 is welded with a circumferential stress rib 13 close to the end part of the first water stop ring 7 in the pipe body reinforcing steel bar net 5. The outer wall of the steel pipe section 2 is poured with concrete connected with the concrete connecting section 1, the used concrete and the reinforced concrete jacking pipe have the same thickness and the same label, and a layer of reinforcing bars 12 connected with the pipe body reinforcing steel mesh 5 are arranged in the concrete.
Further, the pipe body distributing steel bars 15 in the pipe body reinforcing steel bar net 5 are welded with the inner wall of the steel sleeve ring 4, the welding among the steel sleeve ring 4, the pipe body reinforcing steel bar net 5 and the reinforcing steel bars 12 is double-sided arc welding, the welding length is not less than 5d, and after the socket end of the concrete jacking pipe is matched with the socket section in a bearing way, gaps are formed between the steel sleeve ring 4 and the socket end of the concrete jacking pipe.
Further, the grouting assembly comprises a grouting pipe 9, the grouting pipe 9 is arranged in the socket end of the reinforced concrete jacking pipe, the grouting pipe 9 is communicated with a gap between the steel collar 4 and the socket end of the concrete jacking pipe, grouting is conducted in the gap through the grouting pipe 9, the joint surface is guaranteed to be watertight, and after grouting of the grouting pipe 9 is completed, the pipe orifice of the grouting pipe 9 is plugged by epoxy mortar.
Furthermore, the inner surface and the outer surface of the seam surface formed by the gasket 3 are sealed by adopting sealant 11, 4-6 gaskets are selected for the gasket 3 according to the pipe diameter, and the gasket 3 is made of a 30mm thick multi-layer plywood.
Further, the wedge-shaped rubber ring 10 is arranged in the gap, the wedge-shaped rubber ring 10 is made of neoprene, the Shore hardness is 45-55, and the connector is smooth and flat, has no trace and is not allowed to be split.
Further, before the concrete connecting section 1 is connected with the reinforced concrete jacking pipe in a socket joint manner, a layer of silicone oil is brushed on the inclined plane of the wedge-shaped rubber ring 10 and the inclined opening of the steel sleeve ring 4, other grease or lubricant such as soapy water is strictly forbidden, after the socket joint is completed, a probe rod is adopted to be inserted into the gap of the steel sleeve ring 4, whether the rubber ring is positioned accurately or not is checked along the periphery, and if the phenomena such as overturning, displacement and the like are found, the rubber ring is pulled out to be re-adhered and inserted.
Embodiment III:
As shown in fig. 5, this embodiment is a connection structure of reinforced concrete top pipes, in which socket fit is adopted between the reinforced concrete top pipes, one end of the reinforced concrete top pipe is a socket end, and the other end of the reinforced concrete top pipe is a socket end.
Specifically, the socket end of the reinforced concrete jacking pipe is internally connected with a steel sleeve ring 4 through an anchor steel bar 6, a gasket 3 is arranged at a socket between the socket end and a socket end of the reinforced concrete jacking pipe, and the inner surface and the outer surface of a joint face are sealed by adopting sealant 11. When the socket end of the reinforced concrete jacking pipe is in socket joint fit with the socket end, a gap exists between the inner wall of the steel sleeve ring 4 and the outer wall of the socket end of the reinforced concrete jacking pipe, the grouting pipe 9 is installed in the socket end of the reinforced concrete jacking pipe through the steel ring, the grouting pipe 9 is communicated with the gap, grouting is conducted in the gap through the grouting pipe 9, water leakage is avoided on the joint surface, and after grouting is completed through the grouting pipe 9, sealing is conducted through epoxy mortar. The wedge-shaped rubber ring 10 is arranged in the gap, the wedge-shaped rubber ring 10 is made of neoprene, and the Shore hardness is 45-55.
The above embodiments are not intended to limit the scope of the utility model, so that the equivalent changes of the structure, shape and principle of the utility model are covered by the scope of the utility model.
Claims (10)
1. A connection structure of steel pipe and reinforced concrete push pipe, characterized by comprising:
The concrete connecting section (1) is internally provided with a pipe body reinforcing steel mesh (5), and the concrete connecting section (1) is in plug-in fit with the end part of the reinforced concrete jacking pipe;
the steel pipe section (2) is provided with a water stop ring assembly on the outer wall, and the water stop ring assembly is at least partially connected with the pipe body steel bar net (5);
the gasket (3) is arranged at the joint of the concrete connecting section (1) and the reinforced concrete jacking pipe;
The steel sleeve ring (4) is sleeved on the outer surface of the joint of the concrete connecting section (1) and the reinforced concrete jacking pipe, and at least part of the inner wall of the steel sleeve ring (4) is connected with the liner (3);
And the grouting assembly is used for grouting and sealing a gap between the inner wall of the steel sleeve ring (4) and the connecting part.
2. The structure for connecting a steel pipe and a reinforced concrete jacking pipe according to claim 1, wherein the reinforced concrete jacking pipe can be in socket fit, one end of the reinforced concrete jacking pipe is a socket end, and the other end of the reinforced concrete jacking pipe is a socket end;
The concrete connecting section (1) comprises a concrete socket section and a concrete spigot section, the concrete socket section is identical to the socket end of the reinforced concrete jacking pipe in size, the concrete socket section can be matched with the spigot end of the reinforced concrete jacking pipe, the concrete spigot section is identical to the socket end of the reinforced concrete jacking pipe in size, and the concrete spigot section can be matched with the socket end of the reinforced concrete jacking pipe.
3. The connection structure of steel pipes and reinforced concrete jacking pipes according to claim 2, wherein the grouting assembly comprises grouting pipes (9), the grouting pipes (9) are communicated with the gaps, and after grouting of the grouting pipes (9) is completed, the pipe orifices of the grouting pipes (9) are plugged by epoxy mortar;
If the bell mouth end of the reinforced concrete jacking pipe is connected with the concrete jack section, the grouting pipe (9) is arranged in the concrete jack section;
if the socket end of the reinforced concrete jacking pipe is connected with the concrete bell section, the grouting pipe (9) is arranged inside the socket end of the reinforced concrete jacking pipe.
4. The structure for connecting a steel pipe and a reinforced concrete pipe according to claim 2, wherein if the socket end of the reinforced concrete pipe is connected with the concrete jack section, an anchor bar (6) connected to the inner wall of the steel collar (4) is arranged inside the socket end of the reinforced concrete pipe;
If the socket end of the reinforced concrete jacking pipe is connected with the concrete bell section, the pipe body reinforcing steel bar net (5) in the concrete bell section is connected with the inner wall of the steel sleeve ring (4).
5. The connection structure of a steel pipe and a reinforced concrete jacking pipe according to claim 1, wherein the water stop ring assembly comprises a first water stop ring (7) and a second water stop ring (8), the first water stop ring (7) and the second water stop ring (8) are arranged on the outer wall of the steel pipe section (2), and the first water stop ring (7) is connected with the pipe body reinforcing steel bar net (5).
6. The connection structure of a steel pipe and a reinforced concrete jacking pipe according to claim 1, wherein a wedge-shaped rubber ring (10) is arranged in the gap, the wedge-shaped rubber ring (10) is made of neoprene, and the Shore hardness is 45-55.
7. The connection structure of steel pipes and reinforced concrete jacking pipes as set forth in claim 6, wherein silicone oil is brushed on the inclined surface of the wedge-shaped rubber ring (10) and the inclined opening of the steel sleeve ring (4).
8. The connection structure of steel pipe and reinforced concrete jacking pipe according to claim 1, wherein the inner and outer surfaces of the joint surface formed by the gasket (3) are sealed by sealant (11).
9. The connection structure of steel pipes and reinforced concrete jacking pipes according to claim 1, wherein the number of the gaskets (3) is 4-6 according to pipe diameters, and the gaskets (3) are 30mm thick multi-layer plywood.
10. The connection structure of steel pipes and reinforced concrete jacking pipes according to claim 1, wherein the outer wall of the steel pipe section (2) is poured with concrete connected with the concrete connection section (1), and reinforcing bars (12) connected with the pipe body reinforcing steel bar net (5) are arranged in the concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421432187.8U CN222479645U (en) | 2024-06-21 | 2024-06-21 | Connection structure of steel pipe and reinforced concrete pipe jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421432187.8U CN222479645U (en) | 2024-06-21 | 2024-06-21 | Connection structure of steel pipe and reinforced concrete pipe jacking |
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| Publication Number | Publication Date |
|---|---|
| CN222479645U true CN222479645U (en) | 2025-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202421432187.8U Active CN222479645U (en) | 2024-06-21 | 2024-06-21 | Connection structure of steel pipe and reinforced concrete pipe jacking |
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| CN (1) | CN222479645U (en) |
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