Over-road culvert and aqueduct composite type anti-seepage structure

By using the polyurethane gasket and sealing groove between the docking plate and the connection plate in the aqueduct, the problem of water leakage caused by the structural displacement of the aqueduct is solved, and high-strength sealing performance and structural stability are achieved.

CN222809949UActive Publication Date: 2025-04-29DANGTU COUNTY ZHENXING WATER CONSERVANCY ENG CO LTD
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Patent Information

Application Number
CN202421791104.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-04-29
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

In water conservancy projects, the aqueduct leaks during use due to structural displacement caused by temperature changes, earthquakes or other factors.

Method used

A composite anti-seepage structure of the culvert and aqueduct is adopted. The polyurethane gasket between the docking plate and the connection plate and the sealing groove are designed to form a high-strength sealing performance, and a certain displacement is allowed when the structure is deformed to prevent water leakage.

Benefits of technology

It effectively prevents water leakage during temperature changes or structural deformation, ensures uniformity of stress after installation, avoids unstable situations caused by tilting the fulcrum, and improves the stability of the overall structure.

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Abstract

The utility model discloses a road crossing culvert and aqueduct composite type anti-seepage structure which comprises a culvert roadbed, a first aqueduct beam and a second aqueduct beam, the first aqueduct beam and the second aqueduct beam are movably installed at the left end and the right end of the culvert roadbed, and the first aqueduct beam and the second aqueduct beam can form a horizontal splicing structure through butt joint plates and connecting plates. The butt joint plates are arranged on the outer surfaces of one ends of the first aqueduct beam and the second aqueduct beam respectively, the connecting plates are arranged on the outer surfaces of the other ends of the first aqueduct beam and the second aqueduct beam respectively, and the connecting ends of the butt joint plates and the connecting plates are provided with polyurethane pads with the same length respectively. According to the crossing culvert and aqueduct composite type anti-seepage structure, through the design of the polyurethane pad between the butt joint plate and the connecting plate and the design of the sealing groove, the high-strength sealing performance can be provided. The polyurethane pad can still keep integrity when the temperature changes or the structure deforms, and water leakage is effectively prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a composite anti-seepage structure of a road culvert and an aqueduct. Background Art

[0002] In water conservancy projects, aqueducts are a common water conveyance structure, and the reliability of their design and construction is crucial to ensure the effective transportation of water resources. Aqueducts usually need to cross obstacles such as roads and rivers, so they need to have sufficient strength and stability in structure. However, in the design and construction of aqueducts, the treatment of expansion joints has always been a technical challenge, because they need to withstand water pressure while also being able to cope with structural displacement caused by temperature changes, earthquakes or other factors. Traditional treatment methods may not be able to meet these requirements. Therefore, a composite anti-seepage structure of a culvert and aqueduct is needed to solve problems such as water leakage during the use of the aqueduct. Utility Model Content

[0003] The utility model aims to provide a composite anti-seepage structure of a road culvert and an aqueduct to solve the problem of water leakage caused by structural displacement of expansion joints due to temperature changes, earthquakes or other factors proposed in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite anti-seepage structure of a culvert and aqueduct, comprising a culvert roadbed, a first aqueduct beam and a second aqueduct beam, the first aqueduct beam and the second aqueduct beam being movably installed at the left and right ends of the culvert roadbed, the first aqueduct beam and the second aqueduct beam being able to form a horizontal splicing structure through a butt plate and a connecting plate, the butt plates being respectively arranged on the outer surfaces of one end of the first aqueduct beam and the second aqueduct beam, the connecting plates being respectively arranged on the outer surfaces of the other ends of the first aqueduct beam and the second aqueduct beam, and the connecting ends of the butt plate and the connecting plate being respectively provided with polyurethane pads of equal length.

[0005] As a preferred technical solution of the present utility model, the top surface of the connecting plate is on the same horizontal line as the top surfaces of the first aqueduct beam and the second aqueduct beam.

[0006] As a preferred technical solution of the present utility model, the bottom surface of the butt joint plate is on the same horizontal line as the bottom surfaces of the first aqueduct beam and the second aqueduct beam.

[0007] As a preferred technical solution of the present utility model, a sealing groove is provided inside the docking plate.

[0008] As a preferred technical solution of the present invention, a guide piece is provided on the bottom surface of the connecting plate, and the length of the guide piece is the same as the depth of the sealing groove.

[0009] As a preferred technical solution of the present utility model, the circumference of the guide member is the same as that of the sealing groove, and the guide member and the sealing groove are movably installed.

[0010] Compared with the prior art, the utility model has the following beneficial effects of the composite anti-seepage structure of the culvert and aqueduct:

[0011] The utility model can provide high-strength sealing performance through the design of the polyurethane pad and the sealing groove between the butt plate and the connecting plate. The polyurethane pad can still maintain integrity when the temperature changes or the structure deforms, effectively preventing water leakage. The bottom surface of the butt plate is on the same horizontal line as the bottom surface of the aqueduct beam, ensuring uniform force after installation, avoiding instability caused by tilting of the fulcrum, and improving the stability of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the first aqueduct beam and the second aqueduct beam of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall side cross-sectional structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the overall top-view cross-sectional structure of the utility model.

[0016] In the figure: 1. culvert roadbed; 2. first aqueduct beam; 3. second aqueduct beam; 4. docking plate; 5. sealing groove; 6. connecting plate; 7. guide member; 8. polyurethane pad. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4The utility model provides a technical solution: a composite anti-seepage structure of a culvert and aqueduct, including a culvert roadbed 1, a first aqueduct beam 2 and a second aqueduct beam 3, the first aqueduct beam 2 and the second aqueduct beam 3 are movably installed at the left and right ends of the culvert roadbed 1, the first aqueduct beam 2 and the second aqueduct beam 3 can form a horizontal splicing structure through a butt plate 4 and a butt plate 6, the butt plate 4 is respectively arranged on the outer surface of one end of the first aqueduct beam 2 and the second aqueduct beam 3, the butt plate 6 is respectively arranged on the outer surface of the other end of the first aqueduct beam 2 and the second aqueduct beam 3, and the connecting ends of the butt plate 4 and the butt plate 6 are respectively provided with polyurethane pads 8 of equal length.

[0019] The top surface of the connecting plate 6 is on the same horizontal line as the top surfaces of the first aqueduct beam 2 and the second aqueduct beam 3. After the connecting plate 6 is transversely spliced ​​with the first aqueduct beam 2 and the second aqueduct beam 3, the top surfaces of the two remain flush to avoid height differences that may cause water to flow out of the connection seam.

[0020] The bottom surface of the docking plate 4 is on the same horizontal line as the bottom surfaces of the first aqueduct beam 2 and the second aqueduct beam 3, and the outer edge of the bottom surface of the docking plate 4 has the same circumference as the outer edge of the bottom surface of the first aqueduct beam 2 and the second aqueduct beam 3, ensuring uniform force after installation and avoiding tilting of the fulcrum and affecting the stability of the overall structure.

[0021] A sealing groove 5 is provided inside the docking plate 4, and the inner and outer edges of the sealing groove 5 and the connecting plate 6 are provided with polyurethane pads 8 of equal length. During installation, a strong seal can be formed by weight extrusion, and the polyurethane pad 8 can allow a certain displacement without breaking or leaking when the temperature changes or the structure deforms.

[0022] A guide member 7 is provided on the bottom surface of the connecting plate 6, and the length of the guide member 7 is the same as the depth of the sealing groove 5. The length of the guide member 7 is consistent with the connection of the sealing groove 5, and the connecting ends of the two have a multi-section corner structure, thereby forming a multi-section seal, further improving the sealing of the connecting end.

[0023] The guide member 7 has the same circumference as the sealing groove 5, and the guide member 7 and the sealing groove 5 are movably installed. The guide member 7 and the sealing groove 5 overlap with each other to form a structure with the same overall circumference as the first aqueduct beam 2. The overall structures are subjected to mutual force to resist structural displacement and generate contraction force, thereby reducing the generation of cracks and avoiding damage to the anti-seepage structure and water leakage.

[0024] Working principle: the left and right ends of the culvert roadbed 1, the first aqueduct beam 2 and the second aqueduct beam 3 are respectively provided with a docking plate 4 and a connecting plate 6. The culvert roadbed 1, the first aqueduct beam 2 and the second aqueduct beam 3 need to be installed in sequence from front to back. The guide member 7 of the connecting plate 6 is inserted into the inside of the docking plate 4 of the docking plate 4. The inner and outer edges of the sealing groove 5 and the connecting plate 6 are provided with polyurethane pads 8 of equal length. When installed, a strong sealing can be formed by weight extrusion, and the polyurethane pad 8 can allow a certain displacement without breaking or leaking when the temperature changes or the structure is deformed. The guide member 7 and the sealing groove 5 are overlapped with each other to form a structure with the same overall circumference as the first aqueduct beam 2. The overall structures are subjected to mutual force to resist the structural displacement to generate contraction force, thereby reducing the generation of cracks and avoiding damage to the anti-seepage structure and leakage.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite anti-seepage structure of a road culvert and aqueduct, characterized in that: The invention comprises a culvert roadbed (1), a first aqueduct beam (2) and a second aqueduct beam (3), wherein the first aqueduct beam (2) and the second aqueduct beam (3) are movably mounted at the left and right ends of the culvert roadbed (1), and the first aqueduct beam (2) and the second aqueduct beam (3) can form a horizontal splicing structure through a butt joint plate (4) and a connecting plate (6), wherein the butt joint plate (4) is respectively arranged on the outer surface of one end of the first aqueduct beam (2) and the second aqueduct beam (3), and the connecting plate (6) is respectively arranged on the outer surface of the other end of the first aqueduct beam (2) and the second aqueduct beam (3), and the connecting ends of the butt joint plate (4) and the connecting plate (6) are respectively provided with polyurethane pads (8) of equal length.

2. The composite anti-seepage structure of a road culvert and aqueduct according to claim 1, characterized in that: The top surface of the connecting plate (6) is on the same horizontal line as the top surfaces of the first aqueduct beam (2) and the second aqueduct beam (3).

3. The composite anti-seepage structure of a road culvert and aqueduct according to claim 1, characterized in that: The bottom surface of the butt joint plate (4) is on the same horizontal line as the bottom surfaces of the first aqueduct beam (2) and the second aqueduct beam (3).

4. The composite anti-seepage structure of a road culvert and aqueduct according to claim 1, characterized in that: A sealing groove (5) is provided inside the butt joint plate (4).

5. The composite anti-seepage structure of a road culvert and aqueduct according to claim 1, characterized in that: A guide member (7) is provided on the bottom surface of the connecting plate (6), and the length of the guide member (7) is the same as the depth of the sealing groove (5).

6. The composite anti-seepage structure of a road culvert and aqueduct according to claim 5, characterized in that: The circumference of the guide member (7) is the same as that of the sealing groove (5), and the guide member (7) and the sealing groove (5) are movably mounted.