Gap type drainage structure for transverse drainage of wide pavement
By designing a gap-type drainage structure on the highway pavement and using permeable concrete vertical blocks and base structures, the rapid discharge of rainwater is achieved, which solves the safety problems caused by water films on rainy days on wide roads, and improves drainage efficiency and structural stability.
Patent Information
- Application Number
- CN202422329725.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-24
AI Technical Summary
As the width of highways increases, the thickness of the water film on the road surface increases on rainy days, causing water drift and slippage of vehicles, affecting driving safety. It is difficult for the existing technology to effectively solve the problem of drainage on the wide pavement.
A gap-type drainage structure for transverse drainage of wide pavement is designed, including the main road base layer, precast concrete base, permeable concrete vertical blocks and cover plates. The water body enters the base through permeable concrete vertical blocks and flows out along the cavity to form a multi-layer drainage channel to avoid the formation of water film.
Effectively reduce water drift and slippage of high-speed vehicles, improve driving safety, enhance bending and compressive resistance, improve drainage efficiency, and reduce post-cleaning workload.
Smart Images
Figure CN223061389U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road drainage, and particularly relates to a slit drainage structure for transverse drainage of a wide-width road surface. Background Technique
[0002] With the continuous increase of existing traffic passing demands, the width of highway roadbeds has gradually changed from two-way four lanes to six lanes, eight lanes or even twelve lanes. However, the problems of rainwater drainage on the road surface and the resulting driving safety problems have also begun to appear.
[0003] Due to the increase in the width of the roadbed, the runoff path of road surface rainwater is extended and gradually accumulates to form a water film on the road surface. When the thickness of the water film exceeds the critical thickness, it is easy to cause the phenomenon of hydroplaning and skidding of high-speed vehicles, thus triggering traffic safety accidents. In view of the problem of difficult treatment of the existing wide-width highway road surface drainage, a slit drainage structure for transverse drainage of a wide-width road surface is proposed. Content of the Utility Model
[0004] In order to solve the technical problems existing in the above-mentioned prior art, the utility model provides a slit drainage structure for transverse drainage of a wide-width road surface.
[0005] To solve the above technical problems, the utility model provides the following technical solution: A slit drainage structure for transverse drainage of a wide-width road surface, including a main roadbed layer. A base laying channel is opened in the upper part of the main roadbed layer. A precast concrete base is installed inside the base laying channel. A precast permeable concrete vertical block is installed inside the precast concrete base. A precast permeable concrete cover plate is erected between the upper part of the precast permeable concrete vertical block and the upper part of the precast concrete base. A precast drainage asphalt pavement layer is laid on the upper part of the precast permeable concrete cover plate. A main road surface asphalt pavement layer is laid on the surface of the main roadbed layer.
[0006] The water body on the surface of the main road surface asphalt pavement layer enters the inside of the precast concrete base through the precast permeable concrete vertical block. The internal seepage of the precast drainage asphalt pavement layer penetrates through the precast drainage asphalt pavement layer and enters the inside of the precast concrete base. The water body inside the precast concrete base flows out along the cavity formed by the precast concrete base and the precast permeable concrete vertical block.
[0007] Preferably, the inner wall of the base laying channel fits with the outer wall of the precast concrete base, and the precast concrete base is supported by the base laying channel.
[0008] Preferably, the specification strength grade of the precast concrete base is C25 - C40, the thickness of both side edges of the precast concrete base is 20 - 30 cm, a base card slot for restricting the vertical precast permeable concrete block is provided at the middle position of the bottom of the precast concrete base, the width of the base card slot is the same as the bottom width of the precast permeable concrete vertical block, the bottom of the precast permeable concrete vertical block is inserted into the base card slot, and the depth of the base card slot is 5 - 10 cm.
[0009] Preferably, side card slots for cooperating with the precast permeable concrete cover plate are provided on both sides of the precast concrete base, the depth of the side card slot is 20 - 30 cm, the width of the side card slot is 5 - 10 cm, and the precast permeable concrete cover plate is arranged between the side card slot of the precast concrete base and the upper part of the precast permeable concrete vertical block.
[0010] Preferably, vertical drainage gaps are provided in the upper part of the precast permeable concrete vertical block, the width of the drainage gap is 1 - 3 cm, a horizontal drainage opening is provided at the middle position of the lower part of the precast permeable concrete vertical block, the diameter of the drainage opening is 40 - 60 cm, the bottom of the drainage opening is about 10 - 20 cm away from the bottom edge of the vertical body, and the drainage gap is communicated with the drainage opening.
[0011] Preferably, notches for cooperating with the precast permeable concrete cover plate and the side card slots of the precast concrete base are provided on both sides of the upper part of the precast permeable concrete vertical block, the specification strength grade of the precast permeable concrete cover plate is C25 - C35, and the thickness of the precast permeable concrete cover plate is the same as the width of the notches on both sides of the precast permeable concrete vertical block.
[0012] Preferably, the precast drainage asphalt pavement layer and the precast permeable concrete cover plate cooperate to form a vertical drainage channel, and the drainage channel connects the surface of the precast drainage asphalt pavement layer with the inside of the precast concrete base.
[0013] Preferably, one side of the main road surface asphalt pavement layer facing the precast permeable concrete vertical block is designed to be inclined, and an inclined surface for guiding the flow of water is formed on the surface of the main road surface asphalt pavement layer.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. The utility model is provided with a precast concrete base, precast permeable concrete vertical blocks, precast permeable concrete covers, a precast drainage asphalt pavement layer and a main pavement asphalt pavement layer. The water on the surface of the main pavement asphalt pavement layer enters the interior of the precast concrete base through the precast permeable concrete vertical blocks, and the water in the precast concrete base flows out along the precast concrete base, avoiding the formation of a water film on the surface of the main pavement asphalt pavement layer, reducing the phenomena of hydroplaning and skidding of high-speed vehicles, and improving driving safety.
[0016] 2. In the utility model, the precast concrete base, the precast permeable concrete vertical blocks and the precast permeable concrete covers all adopt the structural form of concrete materials, enhancing their bending and compressive resistance capabilities, making them more suitable for the long-term rolling of heavy loads on the carriageway.
[0017] 3. In the utility model, the precast permeable concrete covers and the precast drainage asphalt pavement layer can effectively collect the interlayer water of the asphalt pavement layer and the edge water outside the gap structure, improving the drainage efficiency. At the same time, since only a small local area adopts the drainage asphalt pavement, the cleaning workload such as the clogging of the asphalt pavement in the later stage is greatly reduced, reducing the maintenance pressure in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a three-dimensional structural schematic diagram of the utility model;
[0019] Figure 2 is a schematic diagram of the drainage path of the utility model;
[0020] Figure 3 is a three-dimensional structural schematic diagram of the precast permeable concrete vertical blocks of the utility model;
[0021] Figure 4 is a three-dimensional structural schematic diagram of the precast concrete base of the utility model;
[0022] Figure 5 is a combined structural schematic diagram of the precast concrete base and the precast permeable concrete vertical blocks of the utility model.
[0023] The numbers in the figure represent:
[0024] 1. Main road base layer; 2. Base laying channel; 3. Precast concrete base; 4. Precast permeable concrete vertical blocks; 5. Precast permeable concrete covers; 6. Precast drainage asphalt pavement layer; 7. Main pavement asphalt pavement layer. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] The following further elaborates the present utility model in combination with the accompanying drawings and embodiments for the above and other technical features and advantages of the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them.
[0026] Embodiment:
[0027] As Figure 1 - Figure 5 shown, the present utility model provides a slotted drainage structure for transverse drainage of a wide - width road surface, which includes a main road base layer 1. A base laying channel 2 is opened in the upper part of the main road base layer 1. A precast concrete base 3 is installed inside the base laying channel 2. A precast permeable concrete vertical block 4 is installed inside the precast concrete base 3. A precast permeable concrete cover plate 5 is erected between the upper part of the precast permeable concrete vertical block 4 and the upper part of the precast concrete base 3. A precast drainage asphalt pavement layer 6 is laid on the upper part of the precast permeable concrete cover plate 5. A main road surface asphalt pavement layer 7 is laid on the surface of the main road base layer 1;
[0028] The water body on the surface of the main road surface asphalt pavement layer 7 enters the inside of the precast concrete base 3 through the precast permeable concrete vertical block 4. The infiltrated water inside the precast drainage asphalt pavement layer 6 passes through the precast permeable concrete cover plate 5 and enters the inside of the precast concrete base 3. The water body inside the precast concrete base 3 flows out along the cavity formed by the precast concrete base 3 and the precast permeable concrete vertical block 4.
[0029] The inner wall of the base laying channel 2 is attached to the outer wall of the precast concrete base 3. The precast concrete base 3 is supported by the base laying channel 2. Under the supporting action of the base laying channel 2, the precast concrete base 3 can be maintained at the set position, so as to better support the precast permeable concrete vertical block 4, the precast permeable concrete cover plate 5 and the precast drainage asphalt pavement layer 6. Thus, the pressure received by the precast permeable concrete vertical block 4, the precast permeable concrete cover plate 5 and the precast drainage asphalt pavement layer 6 can be evenly transmitted to the base laying channel 2 through the precast concrete base 3, avoiding the situation of damage due to uneven stress and ensuring the stability of the overall structure.
[0030] The specification strength grade of the precast concrete base 3 is C25 - C40, which can be used for the rolling of road vehicles. The thickness of both sides of the precast concrete base 3 is 20 - 30 cm. A base slot for restricting the precast permeable concrete vertical block 4 is opened at the middle position of the bottom of the precast concrete base 3. The width of the base slot is the same as the bottom width of the precast permeable concrete vertical block 4. The depth of the base slot is 5 - 10 cm. The bottom of the precast permeable concrete vertical block 4 is inserted into the base slot. After the precast permeable concrete vertical block 4 is inserted into the base slot at the bottom of the precast concrete base 3, the precast concrete base 3 can play a role in restricting the precast permeable concrete vertical block 4, enabling the precast permeable concrete vertical block 4 to have stable vertical bearing capacity. At the same time, the adopted insertion - type installation method improves the installation convenience of the precast permeable concrete vertical block 4, and it can be quickly installed and laid.
[0031] On both sides of the precast concrete base 3, side slots for mating with the precast permeable concrete cover plate 5 are provided. The depth of the side slots is 20 - 30 cm, and the width of the side slots is 5 - 10 cm. On both upper sides of the precast permeable concrete vertical block 4, notches for mating with the side slots of the precast permeable concrete cover plate 5 and the precast concrete base 3 are provided. The specification strength grade of the precast permeable concrete cover plate 5 is C25 - C35. The thickness of the precast permeable concrete cover plate 5 is the same as the width of the notches on both sides of the precast permeable concrete vertical block 4. The precast permeable concrete cover plate 5 is arranged between the side slots of the precast concrete base 3 and the upper part of the precast permeable concrete vertical block 4. Under the joint restriction of the precast permeable concrete vertical block 4 and the precast concrete base 3, after being laid, the precast permeable concrete cover plate 5 can be stably arranged between the precast permeable concrete vertical block 4 and the precast concrete base 3. The precast permeable concrete vertical block 4 and the precast concrete base 3 can play a role in stably supporting the precast permeable concrete cover plate 5, enabling the precast permeable concrete cover plate 5 to have sufficient bearing capacity.
[0032] Vertically arranged drainage gaps are provided in the upper part of the precast permeable concrete vertical block 4. The width of the drainage gaps is 1 - 3 cm. Horizontally arranged drainage openings are provided at the middle position of the lower part of the precast permeable concrete vertical block 4. The diameter of the drainage openings is 40 - 60 cm. The bottom of the drainage openings is about 10 - 20 cm away from the bottom edge of the vertical body. The drainage gaps are connected to the drainage openings. The side of the main road asphalt pavement layer 7 facing the precast permeable concrete vertical block 4 is designed to be inclined. An inclined surface for guiding the flow of water is formed on the surface of the main road asphalt pavement layer 7. The water flowing on the surface of the main road asphalt pavement layer 7 can quickly flow into the drainage gaps at the middle position of the precast permeable concrete vertical block 4 and seep into the precast permeable concrete vertical block 4. The water entering the drainage gaps and seeping into the precast permeable concrete vertical block 4 flows downward through the drainage openings into the precast concrete base 3. The water entering the precast concrete base 3 quickly drains out along the cavity formed by the precast concrete base 3 and the precast permeable concrete vertical block 4.
[0033] The precast drainage asphalt pavement layer 6 and the precast permeable concrete cover plate 5 cooperate to form a vertical drainage channel. The drainage channel connects the surface of the precast drainage asphalt pavement layer 6 with the inside of the precast concrete base 3. The water entering the inside of the precast drainage asphalt pavement layer 6 can leak from the precast drainage asphalt pavement layer 6 to the precast permeable concrete cover plate 5 and then leak through the precast permeable concrete cover plate 5 into the inside of the precast concrete base 3, forming a second drainage channel, thereby further accelerating the drying speed of the surface of the main road asphalt pavement layer 7.
[0034] The above are only the preferred embodiments of the present utility model, which are illustrative rather than restrictive to the present utility model. Those skilled in the art understand that many changes, modifications or even equivalents can be made to it within the spirit and scope defined by the claims of the present utility model, but all of them will fall within the protection scope of the present utility model.
Claims
1. A slit drainage structure for transverse drainage of wide road surfaces, characterized in that, It includes a main road base course. A base laying channel is provided at the upper part of the main road base course. A precast concrete base is installed inside the base laying channel. A precast permeable concrete vertical block is installed inside the precast concrete base. A precast permeable concrete cover plate is erected between the upper part of the precast permeable concrete vertical block and the upper part of the precast concrete base. A precast drainage asphalt pavement layer is laid on the upper part of the precast permeable concrete cover plate. A main road surface asphalt pavement layer is laid on the surface of the main road base course. The water on the surface of the main road surface asphalt pavement layer enters the inside of the precast concrete base through the precast permeable concrete vertical block. The water seeping inside the precast drainage asphalt pavement layer passes through the precast drainage asphalt pavement layer and enters the inside of the precast concrete base. The water inside the precast concrete base flows out along the cavity formed by the precast concrete base and the precast permeable concrete vertical block.
2. The slotted drainage structure for transverse drainage of a wide road surface according to claim 1, wherein, The inner wall of the base laying channel fits with the outer wall of the precast concrete base, and the precast concrete base is supported by the base laying channel.
3. The slit drainage structure for transverse drainage of wide-width road surface according to claim 2, characterized in that, The specification strength grade of the precast concrete base is C25 - C40. The thickness of both sides of the precast concrete base is 20 - 30 cm. A base card slot for restricting the precast permeable concrete vertical block is provided at the middle position of the bottom of the precast concrete base. The width of the base card slot is the same as the bottom width of the precast permeable concrete vertical block. The bottom of the precast permeable concrete vertical block is inserted into the base card slot, and the depth of the base card slot is 5 - 10 cm.
4. The slotted drainage structure for transverse drainage of wide-width road surfaces according to claim 2, wherein, Side card slots for cooperating with the precast permeable concrete cover plate are provided on both sides of the precast concrete base. The depth of the side card slot is 20 - 30 cm, and the width of the side card slot is 5 - 10 cm. The precast permeable concrete cover plate is arranged between the side card slot of the precast concrete base and the upper part of the precast permeable concrete vertical block.
5. The slotted drainage structure for transverse drainage of wide-width road surfaces according to claim 4, characterized in that, Vertical drainage gaps are provided at the upper part of the precast permeable concrete vertical block, and the width of the drainage gap is 1 - 3 cm. A horizontal drainage opening is provided at the middle position of the lower part of the precast permeable concrete vertical block, and the diameter of the drainage opening is 40 - 60 cm. The bottom of the drainage opening is about 10 - 20 cm away from the bottom edge of the vertical body. The drainage gap is connected to the drainage opening.
6. The slotted drainage structure for transverse drainage of a wide road surface according to claim 5, characterized in that, Notches for cooperating with the side card slots of the precast permeable concrete cover plate and the precast concrete base are provided on both sides of the upper part of the precast permeable concrete vertical block. The specification strength grade of the precast permeable concrete cover plate is C25 - C35, and the thickness of the precast permeable concrete cover plate is the same as the width of the notches on both sides of the precast permeable concrete vertical block.
7. The gap drainage structure for transverse drainage of wide road surface according to claim 5, characterized in that The precast drainage asphalt pavement layer and the precast permeable concrete cover plate cooperate to form a vertical drainage channel, and the drainage channel connects the surface of the precast drainage asphalt pavement layer with the inside of the precast concrete base.
8. The slotted drainage structure for transverse drainage of a wide road surface according to claim 1, characterized in that One side of the main road surface asphalt pavement layer (7) facing the precast permeable concrete vertical block (4) is designed to be inclined, and an inclined surface for guiding the flow of water is formed on the surface of the main road surface asphalt pavement layer (7).