Built-in downpipe for assembled bridge
By adopting the design of prefabricated built-in downwater pipes in the bridge, prefabricated cover beams and columns are used to connect the built-in drainage steel pipes, and prevent water leakage through sealant and mortar layers, the problem of traditional external downwater pipes affecting the landscape and prone to leakage is solved, and the simple waterproofing and overall landscape improvement of the built-in downwater pipes are achieved.
Patent Information
- Application Number
- CN202420925501.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-29
AI Technical Summary
Traditional bridge downspouts are external, which affect the appearance of the bridge and is prone to leakage during assembly, making it difficult to achieve a built-in overall landscape effect.
The built-in downspout pipe for prefabricated bridges is adopted, and the first and second pre-embedded drainage steel pipes are built through the connection of prefabricated cover beams and prefabricated columns. Sealant and sealing rings are used at the joints. Finally, a mortar layer is poured around the sealing ring to prevent water leakage.
The downspout pipe is built-in, the construction process is simplified, the water leakage problem is avoided, and the overall landscape effect of the bridge is improved.
Smart Images
Figure CN222594585U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a downpipe, in particular to a built-in downpipe for an assembled bridge. Background Art
[0002] In the construction of urban viaducts, traditional bridge downspouts are all external, which greatly affects the appearance of the bridge. Nowadays, the construction method of bridges has changed from traditional cast-in-place to today's prefabricated assembly, which indirectly improves the overall landscape effect of the bridge. Internalizing the downspouts is an effective means to further improve the overall landscape effect of the bridge. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a built-in downpipe for an assembled bridge, which is simple and waterproof and solves the problem of easy leakage of the downpipe during assembly.
[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is to provide a built-in downpipe for an assembled bridge, including basic components, wherein the basic components include a prefabricated cap beam and a prefabricated column, and the prefabricated cap beam is connected to the prefabricated column; a first embedded drainage steel pipe is arranged in the prefabricated cap beam, and a steel pipe enlarged head is arranged at the lower end of the first embedded drainage steel pipe; a second embedded drainage steel pipe is arranged in the prefabricated column, and the port portion of the upper end of the second embedded drainage steel pipe extends into the prefabricated cap beam, and a sealant is arranged between the port portion of the upper end of the second embedded drainage steel pipe and the steel pipe enlarged head, and a sealing ring is arranged between the steel pipe enlarged head and the prefabricated column.
[0005] Furthermore, a mortar layer is poured around the sealing ring.
[0006] Furthermore, the port portion at the upper end of the second embedded drainage steel pipe extends out of the prefabricated column, the length of the port portion is 70 mm, the length of the port portion extending into the prefabricated cap beam is 50 mm, and the thickness of the mortar layer is 20 mm.
[0007] Furthermore, the sealing ring is a chloroprene rubber sealing ring, and the sealing ring is sleeved on the prefabricated column.
[0008] Compared with the prior art, the utility model has the following beneficial effects: the built-in downpipe for the prefabricated bridge provided by the utility model is constructed of common building materials on the market and does not need to be specially made; the structure is simple and the construction is convenient; the problem of leakage of downpipe assembly is solved; the built-in downpipe of the prefabricated assembled bridge is realized, thereby improving the overall landscape effect of the bridge. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 The utility model is a schematic diagram of the structure of the built-in downpipe for the assembled bridge.
[0010] Marked in the figure are: 1. Prefabricated cap beam; 2. First embedded drainage steel pipe; 3. Steel pipe enlarged head; 4. Prefabricated column; 5. Second embedded drainage steel pipe; 6. Port; 7. Sealant; 8. Sealing ring; 9. Mortar layer. DETAILED DESCRIPTION
[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0012] Figure 1 The utility model is a schematic diagram of the structure of the built-in downpipe for the assembled bridge.
[0013] See also Figure 1 The built-in downpipe for the assembled bridge provided by the utility model comprises basic components, wherein the basic components comprise a prefabricated cap beam 1 and a prefabricated column 4, the prefabricated cap beam 1 is connected to the prefabricated column 4; a first embedded drainage steel pipe 2 is arranged in the prefabricated cap beam 1, a steel pipe enlarged head 3 is arranged at the lower end of the first embedded drainage steel pipe 2, a second embedded drainage steel pipe 5 is arranged in the prefabricated column 4, a port portion 6 at the upper end of the second embedded drainage steel pipe 5 extends into the prefabricated cap beam 1, a sealant 7 is arranged between the port portion 6 at the upper end of the second embedded drainage steel pipe 5 and the steel pipe enlarged head 3, and a sealing ring 8 is arranged between the steel pipe enlarged head 3 and the prefabricated column 4.
[0014] The utility model provides a built-in downpipe for an assembled bridge, and a mortar layer 9 is cast around the sealing ring 8 to fill the gap at the joint between the steel pipe enlarged head 3 and the second pre-buried drainage steel pipe 5 in the column to prevent water leakage. Preferably, the port portion 6 at the upper end of the second pre-buried drainage steel pipe 5 extends out of the prefabricated column 4, the length of the port portion 6 is 70 mm, the length of the port portion 6 extending into the prefabricated cap beam 1 is 50 mm, and the thickness of the mortar layer 9 is 20 mm.
[0015] The utility model provides a built-in downpipe for an assembled bridge, and the cap beam, column and embedded drainage steel pipe are all prefabricated parts, which avoids deformation and rupture of the water pipe due to the large hydration heat of large-volume concrete when pouring concrete, and avoids pipe blockage. When the prefabricated cap beam 1 and the prefabricated column 4 are assembled, the docking of the steel pipe has a certain fault tolerance to prevent the connection from being misaligned, making the connection more reliable; the sealing ring 8 is preferably a chloroprene rubber sealing ring, and the sealing ring 8 is sleeved on the prefabricated column 4. When the prefabricated cap beam 1 and the prefabricated column 4 are assembled, the steel pipe connection is sealed by pressure to prevent the mortar from flowing into the drainage steel pipe when pouring the mortar.
[0016] The materials required for the drainage pipe and the connecting structure are all common building materials in the market and do not need to be specially made. The structure is simple and the construction is convenient. The specific process is as follows: a first embedded drainage steel pipe 2 is arranged in the prefabricated cap beam 1, a steel pipe enlarged head 3 is arranged at the lower end of the first embedded drainage steel pipe 2, a second embedded drainage steel pipe 5 is arranged in the prefabricated column 4, the second embedded drainage steel pipe 5 extends out of the prefabricated column 4 by about 70 mm, and a sealing ring 8 is sleeved on the second embedded drainage steel pipe 5. The prefabricated cap beam 1 and the prefabricated column 4 are assembled, and the second embedded drainage steel pipe 5 on the column extends into the steel pipe enlarged head 3 by about 50 mm, and sealant 7 is filled between the second embedded drainage steel pipe 5 and the steel pipe enlarged head 3. The sealing ring 8 closes the gap between the steel pipe enlarged head 3 and the second preburied drainage steel pipe 5, and a high-strength mortar layer 9 is poured between the prefabricated cap beam 1 and the prefabricated column 4; the problem of easy leakage of downpipe assembly is solved, the built-in downpipe of the prefabricated assembled bridge is realized, and the overall landscape effect of the bridge is improved.
[0017] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.
Claims
1. A built-in downpipe for an assembled bridge, comprising a basic component, characterized in that: The basic components include a prefabricated cap beam (1) and a prefabricated column (4), wherein the prefabricated cap beam (1) is connected to the prefabricated column (4); a first embedded drainage steel pipe (2) is arranged in the prefabricated cap beam (1), a steel pipe enlarged head (3) is arranged at the lower end of the first embedded drainage steel pipe (2), a second embedded drainage steel pipe (5) is arranged in the prefabricated column (4), a port portion (6) at the upper end of the second embedded drainage steel pipe (5) extends into the prefabricated cap beam (1), a sealant (7) is arranged between the port portion (6) at the upper end of the second embedded drainage steel pipe (5) and the steel pipe enlarged head (3), and a sealing ring (8) is arranged between the steel pipe enlarged head (3) and the prefabricated column (4).
2. The built-in downpipe for an assembled bridge according to claim 1, characterized in that: A mortar layer (9) is poured around the sealing ring (8).
3. The built-in downpipe for an assembled bridge according to claim 2, characterized in that: The port portion (6) at the upper end of the second embedded drainage steel pipe (5) extends out of the prefabricated column (4), the length of the port portion (6) is 70 mm, the length of the port portion (6) extending into the prefabricated cap beam (1) is 50 mm, and the thickness of the mortar layer (9) is 20 mm.
4. The built-in downpipe for an assembled bridge according to claim 1, characterized in that: The sealing ring (8) is a chloroprene rubber sealing ring, and the sealing ring (8) is sleeved on the prefabricated column (4).