Road subgrade pavement drainage structure

Abstract

The utility model relates to a road drainage related technical field especially, it is a kind of road subgrade pavement drainage structure, including asphalt layer, the surface one side of asphalt layer is provided with filter mechanism. This road subgrade pavement drainage structure, through the setting of waterproof adhesive layer, drainage cover, concrete layer, water inlet tank, filter screen and mounting block, when there is ponding on road surface, the ponding of asphalt layer two sides flows into the water inlet tank of drainage cover, then after filter screen, garbage in water is isolated in the outside of drainage mechanism by filter screen, water flows to drainage mechanism, when replacing filter screen, lifting drainage cover can replace filter screen, after replacement, the drainage cover is aligned mounting block and is closed so that mounting block can be embedded in the inside of drainage cover, at this moment, the replacement of filter screen is completed, through the setting of waterproof adhesive layer, rainwater or other water source can be prevented to enter road surface structure inside, protect base layer from water damage.

Description

Technical Field

[0001] This utility model relates to the technical field of road drainage, and in particular to a roadbed and pavement drainage structure. Background Technology

[0002] Road surface drainage design refers to a type of drainage design based on factors such as highway grade, rainfall, and longitudinal slope, combined with roadbed and bridge / culvert structures. Depending on the water source, water flowing onto the road surface can be divided into two main categories: surface water and groundwater. Correspondingly, road surface drainage is divided into surface drainage and internal drainage. The purpose of road surface drainage is to require all levels of highways and urban roads to install necessary drainage facilities according to local rainfall and road surface conditions, and to appropriately select the spatial layout and structure of the road surface to promptly drain rainwater from the road surface, preventing water from seeping into the road surface and even the roadbed, thus ensuring driving safety. For high-grade roads with high traffic speeds, road surface water should be quickly drained to prevent the formation of a water film that affects driving safety. Therefore, a roadbed and pavement drainage structure is particularly needed.

[0003] However, the existing roadbed and pavement drainage structure, because rainwater flows from top to bottom during the entire rainfall process, the existing asphalt pavement will gradually compact as vehicles drive quickly on the road surface, reducing the porosity and the rate of free water lateral infiltration is very low, which easily leads to rainwater accumulating on the road surface and affecting vehicle driving.

[0004] To address the aforementioned issues, a search revealed a patent with publication number CN213978573U that discloses a drainage structure for road and bridge subgrades and pavements. The patent states that "when the filter assembly 2 moves down to the point where the first connecting block 210 contacts the second connecting block 10 and can no longer move down, the worker can release the lever 27. The spring 29, which has been compressed, needs to recover its deformation, thereby pressing the second toothed plate 28 against the gear 26, causing the gear 26 to mesh with the second toothed plate 28. The second toothed plate 28 restricts the rotation of the gear 26, which is then locked in the first toothed plate 9, thus ensuring the stability of the filter assembly 2 in the connecting pipe 7." While this ensures the stability of the filter assembly in the connecting pipe, the spring and gear are susceptible to rust due to constant rainwater erosion, potentially leading to operational difficulties over time.

[0005] In light of this, in-depth research into the aforementioned issues led to the creation of this case. Utility Model Content

[0006] The purpose of this utility model is to provide a roadbed and pavement drainage structure to solve the problem mentioned in the background art of existing roadbed and pavement drainage structures. Since rainwater flows from top to bottom during the entire rainfall process, existing asphalt pavement will gradually compact the pavement as vehicles drive quickly on the road surface, reducing the porosity and the rate of free water lateral infiltration is very low, which easily leads to rainwater accumulating on the road surface and affecting vehicle driving.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a roadbed and pavement drainage structure, including an asphalt layer, a filter mechanism provided on one side of the surface of the asphalt layer, and a drainage mechanism provided on one side of the surface of the asphalt layer;

[0008] The filtration mechanism includes a waterproof adhesive layer, a drainage cover, a concrete layer, a water inlet trough, a filter screen, and an installation block. A waterproof adhesive layer is laid on one side of the surface of the asphalt layer, a drainage cover is installed on one side of the surface of the asphalt layer, a concrete layer is laid on one side of the surface of the asphalt layer, a water inlet trough is opened on one side of the surface of the drainage cover, a filter screen is installed on one side of the surface of the drainage cover, and an installation block is installed on one side of the surface of the filter screen.

[0009] Preferably, the concrete layer is an asphalt concrete mixed structure layer, and the mounting block is installed on one side of the drainage cover and fitted inside the drainage cover.

[0010] Preferably, two sets of drain covers and two sets of filter screens are provided.

[0011] Preferably, the drainage mechanism includes a water guide block, an impermeable layer, a cover plate, a trench cover, a drainage ditch, a water outlet, a drainage pipe, drainage strips, and seepage holes. A water guide block is installed on one side of the surface of the asphalt layer, an impermeable layer is laid on one side of the surface of the asphalt layer, a cover plate is laid on one side of the surface of the impermeable layer, a trench cover is installed on one side of the surface of the impermeable layer, a drainage ditch is fixedly installed inside the impermeable layer, a water outlet extends through one side of the surface of the impermeable layer, a drainage pipe is installed on one side of the surface of the impermeable layer, drainage strips are fitted inside the cover plate, and seepage holes are opened on one side of the surface of the drainage pipe.

[0012] Preferably, the water guide block has a multi-groove structure, and the drain pipe has a porous structure.

[0013] Preferably, the outlet extends through the drainage ditch, and the trough cover is fixedly installed on one side of the surface of the drainage ditch.

[0014] Preferably, two sets of the trough cover and two sets of the drain pipe are provided.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: In this roadbed and pavement drainage structure, since rainwater flows from top to bottom during the entire rainfall process, existing asphalt pavements gradually compact as vehicles travel quickly on them, reducing the porosity and resulting in a very low rate of free water lateral infiltration. This easily leads to rainwater accumulating on the pavement, affecting vehicle traffic. Therefore, this roadbed and pavement drainage structure incorporates a waterproof bonding layer. The sloping connection between the asphalt layer and the waterproof bonding layer allows water to concentrate and infiltrate towards both sides of the asphalt layer as it infiltrates downwards. The waterproof bonding layer prevents rainwater or other water sources from entering the pavement structure, protecting the base layer from water damage. Water from the pavement flows into the drainage mechanism through the inlet channel from the drainage cover. The installed filter screen can isolate debris in the water outside the drainage mechanism for easy cleaning during drainage. Attached Figure Description

[0016] Figure 1 This is a side view of the appearance structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the filter mechanism structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the drainage mechanism of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0020] In the diagram: 1. Asphalt layer; 2. Filtration mechanism; 201. Waterproof bonding layer; 202. Drainage cover; 203. Concrete layer; 204. Water inlet trough; 205. Filter screen; 206. Mounting block; 3. Drainage mechanism; 301. Water guide block; 302. Anti-seepage layer; 303. Cover plate; 304. Trench cover; 305. Drainage ditch; 306. Water outlet; 307. Drainage pipe; 308. Drainage strip joint; 309. Seepage hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a roadbed and pavement drainage structure, including an asphalt layer 1, a filter mechanism 2 provided on one side of the surface of the asphalt layer 1, and a drainage mechanism 3 provided on one side of the surface of the asphalt layer 1.

[0023] The filtration mechanism 2 includes a waterproof adhesive layer 201, a drainage cover 202, a concrete layer 203, a water inlet channel 204, a filter screen 205, and an installation block 206. The waterproof adhesive layer 201 is laid on one side of the asphalt layer 1, the drainage cover 202 is installed on one side of the asphalt layer 1, the concrete layer 203 is laid on one side of the asphalt layer 1, the water inlet channel 204 is formed on one side of the drainage cover 202, the filter screen 205 is installed on one side of the drainage cover 202, and the installation block 206 is installed on one side of the filter screen 205. Through the arrangement of the waterproof adhesive layer 201, drainage cover 202, concrete layer 203, water inlet channel 204, filter screen 205, and installation block 206, when there is standing water on the road surface, the asphalt... Water accumulated on both sides of the blue layer 1 flows into the water inlet groove 204 of the drainage cover 202, and then passes through the filter screen 205. The garbage in the water is isolated outside the drainage mechanism 3 by the filter screen 205, while the water flows into the drainage mechanism 3. When replacing the filter screen 205, simply lift the drainage cover 202 to replace the filter screen 205. After replacement, align the drainage cover 202 with the mounting block 206 and close it so that the mounting block 206 can fit inside the drainage cover 202. At this time, the replacement of the filter screen 205 is completed. The waterproof adhesive layer 201 can prevent rainwater or other water sources from entering the pavement structure and protect the base layer from water damage. The concrete layer 203 has good waterproof performance and can prevent rainwater penetration.

[0024] Furthermore, the concrete layer 203 is an asphalt concrete mixed structure layer. The mounting block 206 is installed on one side of the drainage cover 202 and fitted inside the drainage cover 202. By setting the mounting block 206, the mounting block 206 fitted inside the drainage cover 202 can limit the position of the drainage cover 202 and prevent the drainage cover 202 from shaking and becoming unstable.

[0025] Furthermore, the drain cover 202 is provided with two sets, and the filter screen 205 is provided with two sets. The filter screen 205 can filter out garbage in the water and prevent pipe blockage.

[0026] Furthermore, the drainage mechanism 3 includes a water guide block 301, an impermeable layer 302, a cover plate 303, a trench cover 304, a drainage ditch 305, a water outlet 306, a drainage pipe 307, a drainage strip 308, and a seepage hole 309. A water guide block 301 is installed on one side of the surface of the asphalt layer 1. An impermeable layer 302 is laid on one side of the surface of the asphalt layer 1. A cover plate 303 is laid on one side of the surface of the impermeable layer 302. A trench cover 304 is installed on one side of the surface of the impermeable layer 302. A drainage ditch 305 is fixedly installed inside the impermeable layer 302. A water outlet 306 penetrates one side of the surface of the impermeable layer 302. A drainage pipe 307 is installed on one side of the surface of the impermeable layer 302. A drainage strip 308 is fitted inside the cover plate 303. A seepage hole 309 is opened on one side of the surface of the drainage pipe 307. Through the water guide block 301, the water flow is facilitated by the water guide block 301, the water flow is facilitated by the water flow ... With the installation of the impermeable layer 302, cover plate 303, trench cover 304, drainage ditch 305, outlet 306, drainage pipe 307, drainage strip joint 308, and seepage hole 309, part of the water on the road surface flows to the cover plate 303 through the filter mechanism 2, and part seeps out from one side of the asphalt layer 1 and seeps into the drainage ditch 305 through the drainage strip joint 308 and trench cover 304 of the cover plate 303 via the water guide block 301. Since the waterproof bonding layer 201 and the concrete layer 203 are laid in a trapezoidal shape, the water that seeps into the asphalt layer 1 gathers on both sides of the asphalt layer 1, and then is collected from the seepage hole 309 of the drainage pipe 307 to the drainage pipe 307, and then flows from the drainage pipe 307 to the outlet 306, and from the outlet 306 to the drainage ditch 305. The installation of the cover plate 303 can prevent the water in the drainage ditch 305 from smelling bad.

[0027] Furthermore, the water guide block 301 has a multi-groove structure, and the drainage pipe 307 has a multi-hole structure. Through the setting of the water guide block 301, water seeping from both sides of the asphalt layer 1 can flow into the drainage strip joint 308 through the water guide block 301, and then flow into the drainage ditch 305 from the drainage strip joint 308.

[0028] Furthermore, the outlet 306 penetrates the drainage ditch 305, and the trough cover 304 is fixedly installed on one side of the surface of the drainage ditch 305. Through the setting of the outlet 306, the water stored in the drainage pipe 307 can flow into the drainage ditch 305 through the outlet 306.

[0029] Furthermore, two sets of trough covers 304 and two sets of drain pipes 307 are provided. Through the trough cover 304, the water discharged from the filter mechanism 2 can seep into the drain ditch 305.

[0030] Working principle: When there is standing water on the road surface, the water from both sides of the asphalt layer 1 flows into the inlet groove 204 of the drainage cover 202. After passing through the filter screen 205, the debris in the water is isolated outside the drainage mechanism 3 by the filter screen 205, while the water flows into the drainage mechanism 3. To replace the filter screen 205, simply lift the drainage cover 202 to replace it. After replacement, align the drainage cover 202 with the mounting block 206 and close it so that the mounting block 206 can fit inside the drainage cover 202. At this point, the replacement of the filter screen 205 is complete. The waterproof adhesive layer 201 prevents rainwater or other water sources from entering the road structure and protects the base layer from water damage. The concrete layer 203 provides good waterproofing. The performance of the system prevents rainwater infiltration. Part of the water on the road surface flows to the cover plate 303 through the filter mechanism 2, while part seeps out from one side of the asphalt layer 1 and seeps into the drainage ditch 305 through the drainage strip 308 and the groove cover 304 of the cover plate 303 via the water guide block 301. Since the waterproof bonding layer 201 and the concrete layer 203 are laid in a trapezoidal shape, the water that seeps into the asphalt layer 1 gathers on both sides of the asphalt layer 1. Then, it is collected from the seepage hole 309 of the drainage pipe 307 and flows to the drainage pipe 307. From the drainage pipe 307, it flows to the outlet 306 and from the outlet 306 to the drainage ditch 305. The cover plate 303 prevents the water in the drainage ditch 305 from smelling bad. This completes a roadbed and pavement drainage structure.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A roadbed and pavement drainage structure, comprising an asphalt layer (1), characterized in that: A filter mechanism (2) is provided on one side of the surface of the asphalt layer (1), and a drainage mechanism (3) is provided on one side of the surface of the asphalt layer (1). The filtration mechanism (2) includes a waterproof adhesive layer (201), a drain cover (202), a concrete layer (203), a water inlet trough (204), a filter screen (205), and an installation block (206). The waterproof adhesive layer (201) is laid on one side of the surface of the asphalt layer (1), the drain cover (202) is installed on one side of the surface of the asphalt layer (1), the concrete layer (203) is laid on one side of the surface of the asphalt layer (1), the water inlet trough (204) is opened on one side of the surface of the drain cover (202), the filter screen (205) is installed on one side of the surface of the drain cover (202), and the installation block (206) is installed on one side of the surface of the filter screen (205).

2. The roadbed and pavement drainage structure according to claim 1, characterized in that: The concrete layer (203) is an asphalt concrete mixed structure layer, and the mounting block (206) is installed on one side of the drainage cover (202) and fitted inside the drainage cover (202).

3. The roadbed and pavement drainage structure according to claim 1, characterized in that: Two sets of the drain cover (202) and two sets of the filter screen (205) are provided.

4. A roadbed and pavement drainage structure according to claim 1, characterized in that: The drainage mechanism (3) includes a water guide block (301), an impermeable layer (302), a cover plate (303), a trench cover (304), a drainage ditch (305), a water outlet (306), a drainage pipe (307), a drainage slot (308), and a seepage hole (309). A water guide block (301) is installed on one side of the surface of the asphalt layer (1), an impermeable layer (302) is laid on one side of the surface of the asphalt layer (1), and a cover plate (309) is laid on one side of the surface of the impermeable layer (302). 03), a groove cover (304) is installed on one side of the surface of the seepage-proof layer (302), a drainage ditch (305) is fixedly installed inside the seepage-proof layer (302), a water outlet (306) is penetrating one side of the surface of the seepage-proof layer (302), a drainage pipe (307) is installed on one side of the surface of the seepage-proof layer (302), a drainage strip (308) is fitted inside the cover plate (303), and a seepage hole (309) is opened on one side of the surface of the drainage pipe (307).

5. A roadbed and pavement drainage structure according to claim 4, characterized in that: The water guide block (301) has a multi-groove structure, and the drain pipe (307) has a porous structure.

6. A roadbed and pavement drainage structure according to claim 4, characterized in that: The outlet (306) penetrates the drainage ditch (305), and the trough cover (304) is fixedly installed on one side of the surface of the drainage ditch (305).

7. A roadbed and pavement drainage structure according to claim 4, characterized in that: Two sets of the trough cover (304) and two sets of the drain pipe (307) are provided.

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