Composite pavement structure applied to sponge city

Abstract

The utility model discloses a composite pavement structure applied to a sponge city, which comprises a pavement base layer, a permeable concrete layer arranged below the pavement base layer, a rammed earth layer arranged at the bottom of the permeable concrete layer, a gravel layer arranged below the rammed earth layer, and a water storage mechanism arranged below the gravel layer. A blocking layer is arranged below the water storage mechanism, a water discharging opening is formed in the edge of the pavement base layer, a filtering frame is arranged at the water discharging opening, a water pump is arranged on one side of the water discharging opening, one end of the water pump is connected with a water pumping pipe, and one end of the water pumping pipe is connected with a water spraying pipe; by arranging the water storage mechanism, rainwater on the road surface falls into a gravel layer through a water outlet, water is filtered through gravel in the gravel layer, the filtered water falls into a water storage pipe through water seepage holes of a water seepage cover plate, the water can be filtered and stored through the water storage pipe, and the water can be pumped out for use through cooperation of a water pump and a water pumping pipe; the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pavement structures, and in particular to a composite pavement structure applied to a sponge city. Background Art

[0002] The performance of the road surface is getting better and better, but under the premise that the urban drainage system is not perfect, the road surface needs to have better water permeability, so as to help the drainage system, reduce the accumulation of water on the road surface and reduce the occurrence of accidents.

[0003] In the prior art, a concrete permeable pavement structure applied to sponge cities with Chinese patent application number 201921322547.8 includes a drainage bottom layer, a crushed stone paving layer is arranged on the drainage bottom layer, a concrete reinforcement layer is arranged on the crushed stone paving layer, an elastic buffer wear-resistant layer is arranged on the concrete reinforcement layer, and a permeable surface layer is arranged on the elastic buffer wear-resistant layer. The beneficial effects are as follows: rainwater on the road surface can be quickly infiltrated into the road surface through the permeable surface layer, and the infiltrated water can be diverted into the drainage well through the permeable holes arranged on the side of the drainage well and then discharged through the drainage pipe, and the excessive accumulated water can be discharged into the drainage pipe through the drainage port, so that excessive water accumulation on the road surface can be prevented, and it has good water seepage, drainage and drainage effects. The road surface can be made more solid and reliable through the concrete reinforcement layer and the lateral reinforcement support layer, and the road surface can be made more wear-resistant through the elastic buffer wear-resistant layer, thereby extending the life of the road surface. However, it cannot effectively filter and recycle water when discharging water, resulting in a waste of water resources.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a composite pavement structure applied to sponge cities to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A composite pavement structure for use in sponge cities comprises a pavement base, a permeable concrete layer is arranged below the pavement base, a rammed earth layer is arranged at the bottom of the permeable concrete layer, a gravel layer is arranged below the rammed earth layer, a water storage mechanism is arranged below the gravel layer, a barrier layer is arranged below the water storage mechanism, a drain is arranged at the edge of the pavement base, a filter frame is arranged at the drain, a water pump is arranged on one side of the drain, one end of the water pump is connected to a water pumping pipe, and one end of the water pumping pipe is connected to a water spraying pipe.

[0008] Preferably, an embedding groove matching the filter frame is provided at the water outlet, and the filter frame is arranged in the embedding groove.

[0009] Preferably, the drain outlet passes through the pavement base layer, the permeable concrete layer and the rammed earth layer, and the drain outlet is arranged above the gravel layer.

[0010] Preferably, support rods are provided between the rammed earth layer and the water storage mechanism, and the support rods are equidistantly arranged.

[0011] Preferably, the water storage mechanism comprises a support seat, a water storage pipe and a water seepage cover plate, the water storage pipe is arranged on the support, and the water seepage cover plate is arranged on the outside of the support seat and the water storage pipe.

[0012] Preferably, the seepage cover plate is evenly provided with seepage holes, and the seepage holes are arranged above the water storage pipe.

[0013] Preferably, the seepage cover plate is provided with a through hole matching the water pumping pipe, and the bottom end of the water pumping pipe passes through the through hole and is connected to the water storage pipe.

[0014] The beneficial effects of the utility model are:

[0015] 1. By providing a water storage mechanism, rainwater on the road surface falls into the gravel layer through the drain port, and the water is filtered by the gravel in the gravel layer, so that the filtered water falls into the water storage pipe through the seepage holes of the seepage cover plate, and the water can be filtered and stored through the water storage pipe;

[0016] 2. Water can be pumped out for use through a water pump and a water pipe, which saves water resources. The sprinkler pipes on the road can be used for greening watering and emergency use, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of a composite pavement structure applied to a sponge city according to an embodiment of the utility model;

[0019] Figure 2 is a cross-sectional view of a composite pavement structure applied to a sponge city according to an embodiment of the utility model;

[0020] Figure 3This is a structural diagram of a water storage mechanism of a composite pavement structure applied to a sponge city according to an embodiment of the utility model;

[0021] Figure 4 It is a diagram of the internal structure of a water storage mechanism of a composite pavement structure applied to a sponge city according to an embodiment of the utility model.

[0022] In the figure:

[0023] 1. Pavement base; 2. Permeable concrete layer; 3. Rammed earth layer; 4. Sand and gravel layer; 5. Water storage mechanism; 6. Barrier layer; 7. Drain port; 8. Filter frame; 9. Water pump; 10. Suction pipe; 11. Spray pipe; 12. Support rod; 13. Support seat; 14. Water storage pipe; 15. Seepage cover plate; 16. Seepage hole. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a composite pavement structure applied to a sponge city is provided.

[0026] Embodiment 1

[0027] like Figure 1-Figure 4 As shown, according to an embodiment of the utility model, a composite pavement structure applied to a sponge city includes a pavement base 1, a permeable concrete layer 2 is arranged below the pavement base 1, a rammed earth layer 3 is arranged at the bottom of the permeable concrete layer 2, a gravel layer 4 is arranged below the rammed earth layer 3, a water storage mechanism 5 is arranged below the gravel layer 4, a barrier layer 6 is arranged below the water storage mechanism 5, a drain port 7 is arranged at the edge of the pavement base 1, a filter frame 8 is arranged at the drain port 7, a water pump 9 is arranged on one side of the drain port 7, one end of the water pump 9 is connected to a water pump 10, one end of the water pump 10 is connected to a water spray pipe 11, an embedding groove matching the filter frame 8 is arranged at the drain port 7, the filter frame 8 is arranged in the embedding groove, and impurities in rainwater can be filtered by being arranged in the filter frame 8.

[0028] Embodiment 2

[0029] like Figure 1-Figure 4As shown, according to an embodiment of the utility model, a composite pavement structure applied to a sponge city includes a pavement base 1, a permeable concrete layer 2 is arranged below the pavement base 1, a rammed earth layer 3 is arranged at the bottom of the permeable concrete layer 2, a gravel layer 4 is arranged below the rammed earth layer 3, a water storage mechanism 5 is arranged below the gravel layer 4, a barrier layer 6 is arranged below the water storage mechanism 5, a drain port 7 is arranged at the edge of the pavement base 1, a filter frame 8 is arranged at the drain port 7, a water pump 9 is arranged on one side of the drain port 7, one end of the water pump 9 is connected to a water pump 10, one end of the water pump 10 is connected to a water spray pipe 11, the drain port 7 passes through the pavement base 1, the permeable concrete layer 2 and the rammed earth layer 3, The drain port 7 is arranged above the gravel layer 4, and a support rod 12 is arranged between the rammed earth layer 3 and the water storage mechanism 5, and the support rod 12 is arranged equidistantly. The water storage mechanism 5 includes a support seat 13, a water storage pipe 14 and a seepage cover plate 15, and the water storage pipe 14 is arranged on the support, and the seepage cover plate 15 is covered on the outside of the support seat 13 and the water storage pipe 14. Seepage holes 16 are evenly arranged on the seepage cover plate 15, and the seepage holes 16 are arranged above the water storage pipe 14. Rainwater on the road surface falls into the gravel layer through the drain port 7, and the water is filtered by the sand and gravel in the gravel layer 4, so that the filtered water falls into the water storage pipe 14 through the seepage holes 16 of the seepage cover plate 15, and the water can be filtered and stored through the water storage pipe 14.

[0030] Embodiment 3

[0031] like Figure 1-Figure 4 As shown, according to an embodiment of the utility model, a composite pavement structure for sponge city includes a pavement base 1, a permeable concrete layer 2 is arranged below the pavement base 1, a rammed earth layer 3 is arranged at the bottom of the permeable concrete layer 2, a gravel layer 4 is arranged below the rammed earth layer 3, a water storage mechanism 5 is arranged below the gravel layer 4, a barrier layer 6 is arranged below the water storage mechanism 5, a drain port 7 is arranged at the edge of the pavement base 1, a filter frame 8 is arranged at the drain port 7, and the A water pump 9 is provided on one side of the drain port 7, one end of the water pump 9 is connected to a water pumping pipe 10, one end of the water pumping pipe 10 is connected to a water spraying pipe 11, a through hole matching the water pumping pipe 10 is provided on the seepage cover plate 15, the bottom end of the water pumping pipe 10 is connected to the water storage pipe 14 through the through hole, when the water in the water storage pipe 14 is used, the water can be pumped out for use by the water pump 9 in cooperation with the water pumping pipe 10, which plays a role in saving water resources, and the water spraying pipe 11 on the road surface can be used for greening watering and emergency use.

[0032] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, rainwater on the road surface falls into the gravel layer through the drain port 7, and the water is filtered by the gravel in the gravel layer 4, so that the filtered water falls into the water storage pipe 14 through the seepage hole 16 of the seepage cover plate 15, and the water can be filtered and stored through the water storage pipe 14. When using the water in the water storage pipe 14, the water can be pumped out for use through the water pump 9 and the pumping pipe 10, which plays a role in saving water resources, and the water spraying pipe 11 on the road surface can be used for greening watering and emergency use, which is convenient and practical.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite pavement structure for use in a sponge city, comprising a pavement base (1), characterized in that: A permeable concrete layer (2) is arranged below the pavement base (1), a rammed earth layer (3) is arranged at the bottom of the permeable concrete layer (2), a gravel layer (4) is arranged below the rammed earth layer (3), a water storage mechanism (5) is arranged below the gravel layer (4), a barrier layer (6) is arranged below the water storage mechanism (5), a water outlet (7) is arranged at the edge of the pavement base (1), a filter frame (8) is arranged at the water outlet (7), a water pump (9) is arranged on one side of the water outlet (7), one end of the water pump (9) is connected to a water pump (10), and one end of the water pump (10) is connected to a water spray pipe (11).

2. The composite pavement structure used in sponge cities according to claim 1, characterized in that: The water outlet (7) is provided with an embedding groove matching the filter frame (8), and the filter frame (8) is arranged in the embedding groove.

3. The composite pavement structure used in sponge cities according to claim 2, characterized in that: The drain port (7) passes through the road surface base layer (1), the permeable concrete layer (2) and the rammed earth layer (3), and the drain port (7) is arranged above the gravel layer (4).

4. The composite pavement structure used in sponge cities according to claim 3, characterized in that: Support rods (12) are arranged between the rammed earth layer (3) and the water storage mechanism (5), and the support rods (12) are arranged at equal distances.

5. The composite pavement structure used in sponge cities according to claim 4, characterized in that: The water storage mechanism (5) comprises a support seat (13), a water storage pipe (14) and a water seepage cover plate (15); the water storage pipe (14) is arranged on the support, and the water seepage cover plate (15) is arranged on the outside of the support seat (13) and the water storage pipe (14).

6. The composite pavement structure used in sponge cities according to claim 5, characterized in that: The water seepage cover plate (15) is evenly provided with water seepage holes (16), and the water seepage holes (16) are arranged above the water storage pipe (14).

7. The composite pavement structure used in sponge cities according to claim 6, characterized in that: The water seepage cover plate (15) is provided with a through hole matching the water pumping pipe (10), and the bottom end of the water pumping pipe (10) passes through the through hole and is connected to the water storage pipe (14).

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