Bridge drainage structure
By designing the drainage structure of sidewalk slabs, left base and right base on the bridge, and using fine sand concrete and drainage pipes to achieve hidden diversion of rainwater, the problem of drainage difficulties on the bridge is solved, traffic safety is improved and the landscape of the bridge is maintained.
Patent Information
- Application Number
- CN202421865679.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-04
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-04
AI Technical Summary
The sidewalks on existing bridges lack drainage structures, causing rainwater to flow to the vehicle's driving path, causing road erosion and large water flow, affecting traffic.
A bridge drainage structure is designed, including a sidewalk slab, a left base and a right base. The sidewalk slab is installed between the left base and the right base. A drainage pipe is set at the bottom of the left base. Fine sand concrete is set between the driving lane and the drainage pipe. The fine sand concrete is inclined to the drainage pipe, and the drainage pipe is introduced into the drainage groove between the sidewalk slab and the main beam to realize hidden drainage.
Through the bridge drainage structure, rainwater on the roadway and sidewalks can be effectively diverted, reducing road erosion and water flow, improving traffic safety, and not affecting the bridge landscape.
Smart Images

Figure CN222847199U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of municipal bridge drainage technology, and more specifically, to a bridge drainage structure. Background Technology
[0002] Currently, the pedestrian walkways on bridges are located on both sides of the road. Since there is no drainage structure on the pedestrian walkways, once it rains, the rainwater on the pedestrian walkways will flow onto the bridge's driving lanes, causing severe erosion of the driving lanes. At the same time, the water flow on the driving lanes is large, making the road surface slippery and affecting vehicle driving.
[0003] With urban development and the improvement of people's quality of life, the requirements for urban bridge landscapes are getting higher and higher. Therefore, it is very necessary to invent a concealed bridge deck drainage system that does not affect the bridge landscape. Utility Model Content
[0004] This utility model provides a bridge drainage structure to solve the problem that the difficulty in drainage on existing conventional bridges leads to water accumulation on the carriageway and sidewalk, which can easily affect traffic.
[0005] According to one aspect of the present invention, a bridge drainage structure is provided, which is installed on a main beam. A roadway is provided on the main beam. The bridge drainage structure includes a pedestrian walkway, a left base, and a right base. The left base and the right base are spaced apart on the main beam. The pedestrian walkway is erected between the left base and the right base. A drainage pipe is provided at the bottom of the left base. Fine sand concrete is provided between the roadway and the drainage pipe. The fine sand concrete slopes from the roadway toward the left base. A grid is provided on the side of the drainage pipe near the roadway.
[0006] Based on the above scheme, preferably, the height of the left base is less than the height of the right base, so that the sidewalk slab is inclined towards the side of the roadway.
[0007] Based on the above scheme, preferably, a support is provided between the left base and the right base, and a drainage ditch is provided between the left base and the support.
[0008] Based on the above scheme, a preferred embodiment is that the surface of the fine sand concrete is covered with a steel mesh.
[0009] Based on the above-mentioned scheme, the sidewalk slab is preferably covered with flamed slab.
[0010] Based on the above scheme, the preferred option is that the drainage channel is a waterproof roll channel.
[0011] Based on the above scheme, the preferred option is that the drainage ditch is connected to the municipal rainwater pipe network.
[0012] This utility model discloses a bridge drainage structure that uses a left base and a right base to support the sidewalk slab to form a cavity. The drainage pipe on the left base guides the rainwater on the sidewalk slab to the fine sand concrete between the sidewalk slab and the roadway. The fine sand concrete can guide the rainwater on the roadway and sidewalk to the drainage pipe, and then guide it to the drainage groove between the sidewalk slab and the main beam, thus achieving concealed drainage. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:
[0014] Figure 1 This is a schematic diagram of the bridge drainage structure of this utility model;
[0015] Explanation of icon numbers:
[0016] Main beam 1, driveway 11, sidewalk slab 2, left base 21, right base 22, drainage pipe 23, fine sand concrete 24, support 25, steel mesh 26, flamed slab 27, drainage ditch 28. Detailed Implementation
[0017] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0018] It should be understood that, when used in this specification and the appended claims, the term "comprising" indicates the presence of a descriptive feature, integral, step, operation, element, and / or component, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or sets.
[0019] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."
[0020] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.
[0021] In the embodiments shown in the accompanying drawings, the directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of the various components of this invention are relative rather than absolute. These descriptions are appropriate when these components are in the positions shown in the drawings. If the descriptions of the positions of these components change, these directional indications also change accordingly.
[0022] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.
[0024] Please see Figure 1 As shown, this utility model discloses a bridge drainage structure, wherein the bridge includes a main beam 1, and a carriageway 11 is provided on the main beam 1.
[0025] The bridge drainage structure of this utility model includes a pedestrian walkway 2, a left base 21 and a right base 22. The left base 21 and the right base 22 are spaced apart on the main beam 1 to form a pedestrian walkway, while the roadway 11 on the main beam 1 is set on the main beam 1 between the pedestrian walkways. Due to the design of the left base 21 and the right base 22, a height difference is formed.
[0026] The sidewalk slab 2 of this utility model is erected between the left base 21 and the right base 22, forming a space between the sidewalk slab 2 and the main beam 1. A drainage pipe 23 is provided at the bottom of the left base 21. Fine sand concrete 24 is provided between the roadway 11 and the sidewalk. The fine sand concrete 24 is inclined and slopes from the roadway to the left base 21 side to facilitate the flow of rainwater from the roadway into the drainage pipe 23. A grid mesh is provided on the side of the drainage pipe 23 near the roadway 11 to prevent the fine sand concrete 24 from being washed away by rainwater, thereby filtering out garbage in the rainwater.
[0027] In this utility model, when rainwater acts on the sidewalk and the roadway 11, the rainwater flows to both sides. Due to the action of the left base 21 and the right base 22, a drainage channel is formed between the sidewalk slab 2 and the roadway. The drainage channel is a waterproof roll channel and is connected to the municipal rainwater pipe network.
[0028] In order to further improve the rainwater drainage speed on the driveway 11, the height of the left base 21 is designed to be smaller than the height of the right base 22, so that the sidewalk slab 2 is tilted towards one side of the driveway 11, and the rainwater on the sidewalk is quickly drained under the action of gravity.
[0029] The present invention has a support 25 between the left base 21 and the right base 22, and a drainage channel 28 between the left base 21 and the support 25 to realize the rapid discharge of rainwater.
[0030] Furthermore, a steel mesh 26 is laid on the surface of the fine sand concrete 24 to prevent the surface of the fine sand concrete 24 from being damaged by rainwater.
[0031] Preferably, flamed slabs 27 are laid on the sidewalk slab 2.
[0032] This utility model discloses a bridge drainage structure. By using a left base 21 and a right base 22, the sidewalk slab 2 is supported to form a cavity. The drainage pipe 23 on the left base 21 guides the rainwater on the sidewalk slab 2 to the fine sand concrete 24 between the sidewalk slab 2 and the roadway 11. The fine sand concrete 24 can guide the rainwater on the roadway and sidewalk to the drainage pipe 23, and then guide it to the drainage groove between the sidewalk slab 2 and the main beam 1 through the drainage pipe 23, thus achieving concealed drainage.
[0033] Finally, the method described in this application is merely a preferred embodiment and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A bridge drainage structure, arranged on a main beam, wherein a carriageway is arranged on the main beam, characterized in that: The bridge drainage structure includes a sidewalk slab, a left base and a right base. The left base and the right base are arranged on the main beam with intervals. The sidewalk slab is erected between the left base and the right base. A drainage pipe is arranged at the bottom of the left base. Fine sand concrete is arranged between the roadway and the drainage pipe. The fine sand concrete is inclined from the roadway to the left base, and a grille is arranged on the drainage pipe close to the roadway.
2. A bridge drainage structure according to claim 1, characterized in that: The height of the left base is smaller than that of the right base, so that the sidewalk slab is arranged in a state of being inclined toward one side of the driving lane.
3. A bridge drainage structure according to claim 1, characterized in that: A buttress is arranged between the left base and the right base, and a drainage groove is arranged between the left base and the buttress.
4. A bridge drainage structure according to claim 1, characterized in that: The surface of the fine sand concrete is paved with a steel mesh.
5. A bridge drainage structure according to claim 4, characterized in that: The sidewalk slab is paved with a fire-burned slab.
6. A bridge drainage structure as claimed in claim 3, characterized in that: The drainage trough is a waterproof roll trough.
7. A bridge drainage structure as claimed in claim 3, characterized in that: The drainage trough is externally connected to the municipal rainwater pipe network.