Road permeable pavement structure

Abstract

The utility model belongs to the technical field of road paving, and particularly relates to a permeable pavement structure of a road, which comprises a roadbed layer, road edge stones and curbs are respectively arranged on two sides of the roadbed layer, a permeable surface layer is arranged above the roadbed layer and between the road edge stones and the curbs, and a water diversion structure is arranged in the permeable surface layer. A water storage ditch is formed in the side, close to the curb, of the water diversion structure, a drainage ditch is arranged above the water storage ditch, and the water diversion structure is used for introducing water flowing through the permeable surface layer into the water storage ditch; the water storage ditches are formed in the side face of the permeable surface layer, the situation that settlement and sinking of the road surface are found due to the conditions of heavy-weight vehicle driving and the like is avoided, the service life of the road is guaranteed, and the working intensity of maintenance is reduced; on the other hand, water vapor can conveniently penetrate through the permeable surface layer through the water diversion structure at continuous high temperature, and the effect of cooling the surface of the road is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of road paving, and in particular relates to a road permeable paving structure. Background Art

[0002] Road waterlogging is a common phenomenon in the rainy season. Under the influence of continuous rainfall, some roads will experience waterlogging, turning flat roads into shallow streams, causing water splashes when vehicles pass by, which is very unfriendly to pedestrians or two-wheeled vehicle drivers. As auxiliary roads for non-motorized vehicles, compared with main roads, if waterlogging occurs, it will cause great inconvenience to travel and may even lead to traffic safety hazards. In addition to road waterlogging, when encountering continuous high temperature weather, roads with poor permeability will aggravate problems such as the urban heat island effect.

[0003] For example, Chinese patent application No. (2018213820642) discloses a sponge city permeable pavement structure. The application sets up a multi-layer permeable surface layer and a water reservoir under the permeable surface layer. When there is continuous rainfall, the water in the water reservoir can be discharged into the drainage ditch by opening the one-way valve to avoid water accumulation on the road. In continuous high temperature weather, the water in the water reservoir will evaporate, achieving the effect of lowering the road surface temperature and reducing the urban heat island effect. However, the application sets the water reservoir directly under the permeable surface layer, which causes collapse when heavier vehicles pass by on the road or after long-term use. The service life is poor and the maintenance work is relatively intensive, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a road permeable pavement structure in view of the above-mentioned technical problems, which achieves high road structure strength and good road drainage and road cooling effects.

[0005] In view of this, the utility model provides a road permeable pavement structure, comprising:

[0006] The road base has a kerb installed on one side and a curb installed on the other side;

[0007] The permeable surface layer is laid on top of the road base and has a water diversion structure inside;

[0008] A water storage ditch is provided on one side of the permeable surface layer close to the curbstone, and a water diversion structure is used to guide water flowing through the permeable surface layer into the water storage ditch, and a drainage ditch is provided on the water storage ditch.

[0009] In the above technical solution, further:

[0010] The permeable surface layer includes, from bottom to top, a crushed stone layer, a geotextile layer, a coarse sand layer and a medium sand layer;

[0011] Among them, the water diversion structure is installed in the gravel layer, and a permeable brick layer is laid above the medium sand layer.

[0012] In the above technical solution, further, the water diversion structure includes:

[0013] The semicircular pipe is laid inside the crushed stone layer, and the crushed stone layer forms a supporting layer below the semicircular pipe and a covering layer above the semicircular pipe;

[0014] A wire mesh is installed on the semicircular pipe and is used to prevent the gravel in the gravel layer from entering the semicircular pipe;

[0015] Among them, the semicircular pipe is connected with the water storage ditch.

[0016] In the above technical solution, further:

[0017] The wire mesh is made of metal, and the size of the pores is between the size of the coarse sand layer particles and the size of the crushed stone layer particles.

[0018] In the above technical solution, further:

[0019] A brick wall is arranged on one side of the water storage ditch close to the permeable surface layer, and a water outlet adapted to the semicircular pipe is opened on the brick wall, and support columns are arranged on the inner walls on both sides of the water storage ditch close to the curbstone and the brick wall;

[0020] Among them, the support column is used to support the bottom wall of the drainage ditch.

[0021] In the above technical solution, further, the permeable brick layer includes:

[0022] Permeable bricks are provided in plurality and arranged in a matrix above the middle sand layer;

[0023] A support seat is installed at the junction of four permeable bricks and is used to support the permeable bricks and form a drainage channel under the permeable bricks;

[0024] Wherein, the drainage channel is connected to the drainage ditch.

[0025] In the above technical solution, further, the support seat includes:

[0026] The base is installed on the surface of the permeable surface layer and abuts against the bottom surface of the permeable brick;

[0027] The limiting column is installed on the base, and the permeable brick is provided with a limiting groove matched with the limiting column.

[0028] In the above technical solution, further:

[0029] A grille is installed on the top surface of the drainage ditch, and a first support block and a second support block for supporting the grille are arranged in the drainage ditch;

[0030] Among them, the surface of the grille is flush with the surface of the permeable brick.

[0031] The beneficial effects of the utility model are:

[0032] 1. By opening the water storage ditch on the side of the permeable surface layer, the road surface can be prevented from sinking due to heavy vehicles driving on it, thereby ensuring the service life of the road and reducing the intensity of maintenance work. In addition, a water diversion structure is set in the permeable surface layer. On the one hand, it is convenient to drain the road during continuous rainfall. On the other hand, when the temperature is continuously high, water vapor passes through the permeable surface layer through the water diversion structure, which has a cooling effect on the road surface. At the same time, the drainage ditch is set above the water storage ditch, so that the drainage ditch has a certain insulation effect on the water storage ditch, ensuring the water storage in the water storage ditch, and facilitating the response to high temperature weather.

[0033] 2. By setting the semicircular pipe for water diversion inside the gravel layer, that is, forming a support layer under the semicircular pipe and a covering layer above it, the gaps on the surface of the semicircular pipe can be reduced and the structural stability of the semicircular pipe can be improved. In addition, the setting of the wire mesh provides a water vapor channel in the semicircular pipe, which facilitates the water vapor to rise to the road surface after passing through the semicircular pipe and the wire mesh to achieve a cooling effect.

[0034] 3. A drainage channel connected to the drainage ditch is formed in the permeable brick layer, so that in the case of continuous rainfall, part of the water is directly discharged into the drainage ditch to avoid excessive water volume and reduce the scouring of the permeable surface layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the utility model;

[0036] Figure 2 This utility model Figure 1 The enlarged view of point A in the middle;

[0037] The markings in the figure are as follows: 1. road base layer; 2. curbstone; 3. curbstone; 4. permeable surface layer; 40. gravel layer; 400. support layer; 401. covering layer; 41. geotextile layer; 42. coarse sand layer; 43. medium sand layer; 5. water diversion structure; 50. semicircular pipe; 51. wire mesh; 6. water storage ditch; 7. drainage ditch; 8. permeable brick layer; 80. permeable brick; 800. limiting groove; 81. support seat; 810. base; 811. limiting column; 82. drainage channel; 9. brick wall; 10. water outlet; 11. support column; 12. grille; 13. first support block; 14. second support block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0039] Embodiment 1:

[0040] This embodiment provides a road permeable pavement structure, including:

[0041] A road base 1, with a curbstone 2 installed on one side and a curbstone 3 installed on the other side;

[0042] A permeable surface layer 4 is laid on the road base layer 1 and has a water diversion structure 5 inside;

[0043] A water storage ditch 6 is provided on one side of the permeable surface layer 4 close to the curbstone 3 , and a water diversion structure 5 is used to guide water flowing through the permeable surface layer 4 into the water storage ditch 6 , and a drainage ditch 7 is provided on the water storage ditch 6 .

[0044] It can be seen from this embodiment that by opening the water storage ditch 6 on the side of the permeable surface layer 4, the road surface is prevented from sinking due to heavy vehicles driving, etc., thereby ensuring the service life of the road and reducing the intensity of maintenance work;

[0045] A water diversion structure 5 is arranged in the permeable surface layer 4, which is convenient for draining the road during continuous rainfall, and is convenient for water vapor to pass through the permeable surface layer 4 through the water diversion structure 5 during continuous high temperature, thereby cooling the road surface.

[0046] At the same time, the drainage ditch 7 is arranged above the water storage ditch 6, so that the drainage ditch 7 has a certain insulation effect on the water storage ditch 6 and ensures the water storage in the water storage ditch 6, which is convenient for coping with high temperature weather. In order to further improve the insulation effect, the bottom wall of the drainage ditch 7 can be coated with an insulation layer or use insulation materials.

[0047] Embodiment 2:

[0048] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0049] The permeable surface layer 4 includes, from bottom to top, a crushed stone layer 40, a geotextile layer 41, a coarse sand layer 42 and a medium sand layer 43;

[0050] The water diversion structure 5 is installed in the gravel layer 40 , and a permeable brick layer 8 is laid on the medium sand layer 43 .

[0051] It can be seen from this embodiment that by using the permeable surface layer 4 of the crushed stone layer 40, the coarse sand layer 42 and the medium sand layer 43, the water permeability of the road is ensured to avoid the occurrence of waterlogging on the road;

[0052] And the geotextile layer 41 can improve the stability and durability of the road paving;

[0053] The provision of the permeable brick layer 8 can effectively improve the structural strength of the road surface, extend the service life of the road, reduce the workload of repair and maintenance, and improve convenience.

[0054] Embodiment 3:

[0055] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The water diversion structure 5 includes:

[0056] The semicircular tube 50 is laid inside the gravel layer 40, and the gravel layer 40 forms a support layer 400 below the semicircular tube 50 and a covering layer 401 above the semicircular tube 50;

[0057] A wire mesh 51 is installed on the semicircular tube 50 and is used to prevent the gravel in the gravel layer 40 from entering the semicircular tube 50;

[0058] Wherein, the semicircular pipe 50 is connected with the water storage ditch 6;

[0059] Meanwhile, the semicircular tube 50 can be made of plastic material, specifically PC material, and the wire mesh 51 and the semicircular tube 50 are connected by bonding.

[0060] It can be seen from this embodiment that by arranging the semicircular pipe 50 for water diversion inside the gravel layer 40, that is, forming a support layer 400 under the semicircular pipe 50 and forming a covering layer 401 above it, the gap on the surface of the semicircular pipe 50 can be reduced and the structural stability of the semicircular pipe 50 can be improved;

[0061] In addition, the arrangement of the wire mesh 51 provides a water vapor channel in the semicircular tube 50, so that the water vapor can rise to the road surface through the semicircular tube 50 and the wire mesh 51 to achieve a cooling effect.

[0062] Embodiment 4:

[0063] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0064] The wire mesh 51 is made of metal, and the size of the pores is between the particle size of the coarse sand layer 42 and the particle size of the crushed stone layer 40 .

[0065] It can be seen from this embodiment that by using metal material for the wire mesh 51, the structural strength of the wire mesh 51 can be effectively improved, ensuring the supporting effect of the wire mesh 51 on the covering layer 401, and the size of its pores is between the particle size of the coarse sand layer 42 and the particle size of the gravel layer 40, which can effectively ensure the water permeability and water vapor permeability of the wire mesh 51;

[0066] At the same time, the semicircular tube 50 disposed inside the gravel layer 40 can make the pores of the wire mesh 51 larger to a certain extent, which can promote the improvement of water permeability.

[0067] Embodiment 5:

[0068] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0069] A brick wall 9 is provided on one side of the water storage ditch 6 close to the permeable surface layer 4, and a water outlet 10 adapted to the semicircular pipe 50 is opened on the brick wall 9, and support columns 11 are provided on the inner walls of both sides of the water storage ditch 6 close to the curb 3 and the brick wall 9;

[0070] Wherein, the support column 11 is used to support the bottom wall of the drainage ditch 7;

[0071] Meanwhile, the surface of the brick wall 9 may be coated with cement, and the height of the brick wall 9 is the same as the height of the permeable surface layer 4 .

[0072] It can be seen from this embodiment that the brick wall 9 is provided to improve the convenience of laying the permeable surface layer 4 and ensure the neatness of the edge of the permeable surface layer 4;

[0073] The support column 11 is provided to facilitate supporting the bottom wall of the drainage ditch 7, that is, to facilitate arranging the drainage ditch 7 and the water storage ditch 6 into an upper and lower structure.

[0074] Embodiment 6:

[0075] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the permeable brick layer 8 includes:

[0076] A plurality of permeable bricks 80 are provided and arranged in a matrix above the middle sand layer 43;

[0077] A support seat 81 is installed at the junction of four permeable bricks 80 and is used to support the permeable bricks 80 and form a drainage channel 82 under the permeable bricks 80;

[0078] The drainage channel 82 is connected to the drainage ditch 7 .

[0079] It can be seen from this embodiment that by forming a drainage channel 82 in the permeable brick layer 8 and communicating with the drainage ditch 7, part of the water is directly discharged into the drainage ditch 7 in the case of continuous rainfall, thereby avoiding excessive water volume and reducing the scouring of the permeable surface layer 4;

[0080] By arranging the support seat 81 at the junction of four permeable bricks 80 , the stability and support strength of the permeable bricks 80 can be improved.

[0081] Embodiment 7:

[0082] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the support seat 81 includes:

[0083] The base 810 is installed on the surface of the permeable surface layer 4 and abuts against the bottom surface of the permeable brick 80;

[0084] The limiting column 811 is installed on the base 810, and the permeable brick 80 is provided with a limiting groove 800 adapted to the limiting column 811;

[0085] The base 810 and the limiting column 811 may be formed by integral casting, specifically using concrete as a material.

[0086] It can be seen from this embodiment that by setting the limiting column 811 and opening the upper limiting groove 800 on the permeable brick 80, the installation stability and supporting strength of the permeable brick 80 are further improved, and the convenience of installation and the aesthetics after installation can also be improved.

[0087] Embodiment 8:

[0088] This embodiment provides a road permeable pavement structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0089] A grille 12 is installed on the top surface of the drainage ditch 7, and a first support block 13 and a second support block 14 for supporting the grille 12 are arranged in the drainage ditch 7;

[0090] The surface of the grille 12 is flush with the surface of the permeable brick 80;

[0091] Meanwhile, the grille 12 is made of cast iron.

[0092] It can be seen from the present embodiment that by arranging the grille 12 on the drainage ditch 7, it is possible to intercept debris for the drainage ditch 7, thereby preventing too much debris from entering the drainage ditch 7 and affecting the drainage of the drainage ditch 7, thereby ensuring the water permeability of the road, and by using the first support block 13 and the second support block 14, the grille 12 is arranged to be flush with the surface of the permeable brick 80, thereby ensuring the flatness of the road surface and improving walking safety.

[0093] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A road permeable pavement structure, characterized in that: include: A road base (1), with a curbstone (2) installed on one side of the top and a curbstone (3) installed on the other side; A permeable surface layer (4) is laid on the road base layer (1) and is provided with a water diversion structure (5) inside; A water storage ditch (6) is provided on one side of the permeable surface layer (4) close to the curb (3), and a water diversion structure (5) is used to guide water flowing through the permeable surface layer (4) into the water storage ditch (6), and a drainage ditch (7) is provided on the water storage ditch (6).

2. The permeable road pavement structure according to claim 1, characterized in that: The permeable surface layer (4) comprises, from bottom to top, a crushed stone layer (40), a geotextile layer (41), a coarse sand layer (42) and a medium sand layer (43); The water diversion structure (5) is installed in the gravel layer (40), and a permeable brick layer (8) is laid above the medium sand layer (43).

3. The permeable road pavement structure according to claim 2, characterized in that: The water diversion structure (5) comprises: A semicircular tube (50) is laid inside the gravel layer (40), and the gravel layer (40) forms a support layer (400) below the semicircular tube (50) and a covering layer (401) above the semicircular tube (50); A wire mesh (51) is installed on the semicircular tube (50) and is used to prevent the gravel in the gravel layer (40) from entering the semicircular tube (50); Wherein, the semicircular pipe (50) is connected to the water storage ditch (6).

4. The permeable road pavement structure according to claim 3 is characterized in that: The wire mesh (51) is made of metal, and the size of the pores is between the particle size of the coarse sand layer (42) and the particle size of the crushed stone layer (40).

5. The permeable road pavement structure according to claim 3 is characterized in that: A brick wall (9) is provided on one side of the water storage ditch (6) close to the permeable surface layer (4), and a water outlet (10) adapted to the semicircular pipe (50) is provided on the brick wall (9), and support columns (11) are provided on the inner walls of both sides of the water storage ditch (6) close to the curbstone (3) and the brick wall (9); Wherein, the support column (11) is used to support the bottom wall of the drainage ditch (7).

6. The permeable road pavement structure according to claim 2, characterized in that: The permeable brick layer (8) comprises: A plurality of permeable bricks (80) are provided and arranged in a matrix above the middle sand layer (43); A support seat (81) is installed at the junction of four permeable bricks (80) and is used to support the permeable bricks (80) and form a drainage channel (82) under the permeable bricks (80); Wherein, the drainage channel (82) is connected to the drainage ditch (7).

7. The permeable road pavement structure according to claim 6, characterized in that: The support seat (81) comprises: A base (810) is installed on the surface of the permeable surface layer (4) and abuts against the bottom surface of the permeable brick (80); The limiting column (811) is installed on the base (810), and the permeable brick (80) is provided with a limiting groove (800) adapted to the limiting column (811).

8. The permeable road pavement structure according to claim 6, characterized in that: A grille (12) is installed on the top surface of the drainage ditch (7), and a first support block (13) and a second support block (14) for supporting the grille (12) are arranged in the drainage ditch (7); Wherein, the surface of the grille (12) is flush with the surface of the permeable brick (80).

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