Novel bridge drainage structure
By designing a new bridge drainage structure with interval-set water inlets and sidewalk hibernation on the bridge, the problems of poor drainage and easy pipeline blockage in the existing technology are solved, and a more efficient rainwater drainage effect on the bridge deck is achieved.
Patent Information
- Application Number
- CN202420346711.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-02-26
AI Technical Summary
The existing bridge drainage methods have poor drainage and drainage capabilities, and the pipelines are prone to blockage, which affects the bridge deck's rainwater drainage capabilities.
A new bridge drainage structure was designed, including bridge deck and bridge deck sidewalk, with water inlets set up at intervals, a sidewalk hiding channel is set up between the bridge deck sidewalk and the bridge deck, and a drain outlet is set up at the end of the hiding channel to connect to the drainage riser, increasing the width of the drainage channel and reducing the hydraulic residence time.
The drainage capacity of the bridge deck has been enhanced, the hydraulic residence time has been reduced, the problems of accumulated water and garbage blockage have been avoided, and the rainwater discharge capacity of the bridge deck has been improved.
Smart Images
Figure CN222648576U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to bridge drainage structures, and more particularly to a novel bridge drainage structure. Background Art
[0002] In the current design of municipal bridge drainage projects, there are three common types of drainage methods: direct discharge from the inlet to the drain pipe, discharge from the inlet to the drain pipe and downpipe along the pier, and centralized drainage with horizontal drainage pipes under the bridge deck.
[0003] However, the existing drainage system suffers from limitations in the thickness of the bridge pedestrian walkway slabs, resulting in small diameter drainage pipes connected to the storm drains and relatively small drainage holes on the bridge deck. This affects the bridge's ability to drain rainwater and makes the pipes prone to clogging. Summary of the Invention
[0004] In view of the aforementioned shortcomings of the prior art, the technical problem to be solved by this utility model is the poor drainage capacity and easy blockage of existing drainage methods. This utility model provides a novel bridge drainage structure that increases rainwater drainage capacity, is less prone to blockage, and is easy to clean and maintain.
[0005] To achieve the above objectives, this utility model provides a novel bridge drainage structure, including a bridge deck and a bridge deck pedestrian walkway. Water inlets are provided at intervals on the side of the bridge deck pedestrian walkway closest to the bridge deck and at the junction of the bridge deck pedestrian walkway and the bridge deck. A pedestrian walkway culvert is provided between the bridge deck pedestrian walkway and the bridge deck. The pedestrian walkway culvert and the water inlets are correspondingly provided and connected. A drain outlet is provided at the end of the pedestrian walkway culvert and is connected to a drainage riser.
[0006] Furthermore, inlet covers are installed on the water inlets on the pedestrian walkway of the bridge deck, and the water inlet covers are configured as inlet rain grates.
[0007] Furthermore, it also includes an inlet grille, which is perpendicular to the bridge deck pedestrian walkway and is located at the end of the inlet cover away from the bridge deck.
[0008] Furthermore, the pedestrian walkway culvert is constructed of reinforced concrete, and the width of the pedestrian walkway culvert is the same as the width of the inlet.
[0009] Furthermore, it also includes concrete ramps, which are set at the bottom of the culvert.
[0010] Furthermore, the slope of the concrete ramp is set to 1%.
[0011] Furthermore, it also includes culvert covers, which are installed under the paving slabs of the bridge deck pedestrian walkway and erected on the side wall of the culvert on the pedestrian walkway, for laying pedestrian paving bricks and bearing pedestrian loads.
[0012] Furthermore, the size of the water inlet is set to 680mm × 200mm.
[0013] Furthermore, the width of the pedestrian walkway culvert is set at 680mm.
[0014] Technical effect
[0015] This utility model discloses a novel bridge drainage structure that, within the limited thickness of the pedestrian walkway slab, increases the width of the drainage channel, enhances the bridge deck's drainage capacity, reduces hydraulic retention time, prevents water accumulation, and simultaneously solves the problem of garbage blockage, further enhancing the bridge deck's drainage capacity.
[0016] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a novel bridge drainage structure according to a preferred embodiment of the present invention. Detailed Implementation
[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0019] In the following description, specific details, such as particular internal procedures and techniques, are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention may be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of the present invention with unnecessary detail.
[0020] like Figure 1 As shown, this utility model provides a novel bridge drainage structure, including a bridge deck 1 and a pedestrian walkway 6. The pedestrian walkway 6 is higher than the bridge deck 1. Water inlets 2 are spaced apart on the side of the pedestrian walkway 6 closest to the bridge deck 1 and at the junction of the pedestrian walkway 6 and the bridge deck 1. A pedestrian walkway culvert 5 is provided between the pedestrian walkway 6 and the bridge deck 1. The pedestrian walkway culvert 5 and the water inlets 2 are correspondingly arranged and connected. A drain outlet is provided at the end of the pedestrian walkway culvert 5, and the drain outlet is connected to a drainage riser 8. The water inlets of the pedestrian walkway are ordinary storm drains. A vertical water inlet 2 is also provided at the junction of the bridge deck and the pedestrian walkway to facilitate rainwater from the bridge deck entering the water inlet. Both water inlets are connected to the pedestrian walkway culvert.
[0021] The inlet on the pedestrian walkway of the bridge is equipped with an inlet cover plate 3, which is a rain grate. The inlet cover plate measures 680mm × 450mm. The cover plate is made of reinforced concrete, which facilitates routine maintenance and dredging of the culvert in the future.
[0022] In this embodiment, a water inlet grille 4 is also included. The water inlet grille is perpendicular to the bridge deck pedestrian walkway and is located at the end of the water inlet cover away from the bridge deck. The water inlet grille can block fallen leaves and other debris on the bridge deck or the bridge deck pedestrian walkway to prevent the accumulation of garbage in the pedestrian walkway culvert and avoid affecting the drainage capacity.
[0023] The pedestrian walkway culvert 5 is constructed of reinforced concrete, and its width matches that of the water inlet. The water inlet measures 680mm x 200mm. The width of the pedestrian walkway culvert is 680mm. In this embodiment, the increased width of both the pedestrian walkway culvert and the water inlet enhances drainage capacity.
[0024] This embodiment also includes a concrete ramp, which is installed at the bottom of the culvert. The slope of the concrete ramp is set to 1%, making the culvert inclined as well, sloping from the inlet towards the sidewalk edge, facilitating rainwater flow to the outside of the road. The inclination of the culvert reduces hydraulic retention time and prevents water accumulation.
[0025] In this embodiment, a culvert cover 7 is also included. The culvert cover 7 is installed under the sidewalk slab and erected on the side wall of the culvert. It is used for laying sidewalk paving bricks and bearing pedestrian loads.
[0026] The specific manufacturing method of a novel bridge drainage structure in this utility model embodiment is as follows: First, a trench position is reserved on the pedestrian walkway of the bridge deck. Then, a concrete culvert is cast by erecting a formwork or a precast concrete culvert can be directly used. Then, a rainwater inlet is erected and connected to the culvert. Finally, the trench is backfilled and pedestrian walkway bricks are laid.
[0027] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.
Claims
1. A new type of bridge drainage structure, including a bridge deck and a bridge deck sidewalk, characterized in that: Water inlets are arranged at intervals on one side of the bridge deck sidewalk close to the bridge deck and at the junction of the bridge deck sidewalk and the bridge deck. A sidewalk culvert is arranged between the bridge deck sidewalk and the bridge deck. The sidewalk culvert and the water inlet are arranged correspondingly and connected. A drain outlet is arranged at the end of the sidewalk culvert, and the drain outlet is connected to a drainage riser.
2. A new type of bridge drainage structure as claimed in claim 1, characterized in that: A water inlet cover plate is arranged on the water inlet on the bridge deck sidewalk, and the water inlet cover plate is arranged as a water inlet grate.
3. A new type of bridge drainage structure as claimed in claim 2, characterized in that: It also includes a water inlet grille, which is perpendicular to the bridge deck sidewalk and is arranged at an end of the water inlet cover plate away from the bridge deck.
4. A new type of bridge drainage structure as claimed in claim 1, characterized in that: The sidewalk culvert is configured as a reinforced concrete culvert, and the width of the sidewalk culvert is consistent with the width of the water inlet.
5. A new type of bridge drainage structure as claimed in claim 4, characterized in that: It also includes a concrete slope, which is arranged at the bottom of the culvert.
6. A new type of bridge drainage structure as claimed in claim 5, characterized in that: The slope of the concrete slope is set to 1%.
7. A new type of bridge drainage structure as claimed in claim 1, characterized in that: It also includes a culvert cover, which is arranged under the road plate of the bridge deck sidewalk and erected on the side wall of the sidewalk culvert, and is used for paving sidewalk tiles and bearing pedestrian loads.
8. The novel bridge drainage structure according to claim 1 is characterized in that: The size of the water inlet is set to 680mm×200mm.
9. A novel bridge drainage structure as claimed in claim 8, characterized in that: The width of the sidewalk culvert is set to 680 mm.