CN219604077U - Modularized curb structure and composite pavement - Google Patents

Abstract

The present application relates to a modular curb structure and a composite pavement, wherein the modular curb structure includes a hollow curb stone, the hollow curb stone has a drainage space, a water inlet and a first seepage hole, the water inlet and the first water seepage hole The water seepage hole is arranged on the side wall of the drainage space; wherein, the water inlet serves as the entrance for rainwater to flow into the drainage space, and the first water seepage hole is located below the water inlet and is used in the drainage space seepage of rainwater. The composite pavement is provided with a linear drainage structure composed of the above-mentioned modular curb structure. The utility model has multiple energy-saving, environmental protection, low-carbon and ecological effects, and is suitable for the construction of sponge cities for non-motor vehicle lanes such as municipal roads, pedestrian walkways such as buildings and communities.

Description

A modular curb structure and composite pavement

technical field

The application belongs to the technical field of road construction, and in particular relates to a modular curb structure and a composite road surface.

Background technique

Permeable pavement is an important part of sponge city construction and has multiple functions: saving water and alleviating water resource crisis; rainwater infiltration replenishes groundwater and improves the regional ecological environment; reducing and slowing down the amount of rainwater runoff and reducing urban rain and flood disasters, etc. Existing permeable pavement has the practical problem of serious clogging, which leads to a large drop in permeable performance. The current permeable pavement surface layer is generally permeable surface layer (brick), permeable concrete, permeable asphalt pavement, etc. Due to serious air dust and road pollution, in 3- Within 4 years, the permeation performance will drop by 60-90%, causing the permeable pavement function to be far below the design life requirements, and the management and cleaning costs are expensive and unsustainable.

Utility model content

In view of the above analysis, the utility model aims to provide a modular curb structure and composite pavement to solve the above technical problems in the prior art.

The purpose of this utility model is achieved in that:

In one aspect, a modular curb structure is provided, including a hollow curb stone, the hollow curb stone has a drainage space, a water inlet and a first water seepage hole, and the water inlet and the first water seepage hole are arranged on the side wall of the drainage space; wherein, The water inlet serves as an inlet for rainwater to flow into the drainage space, and the first seepage hole is located below the water inlet for rainwater seepage in the drainage space.

Further, the aperture of the water inlet is larger than the aperture of the first water seepage holes, and a plurality of first water seepage holes are evenly arranged below the water inlet.

Further, the porosity of the hollow curb stone is 1.5-3%, the diameter of the water inlet is 30-50 mm, and the diameter of the first seepage hole is 15-30 mm.

Furthermore, lighting devices and/or fogging systems are provided in the drainage space, and the water inlet is also used as a light-transmitting hole and a fog-penetrating hole.

Further, a backwash pipe is provided in the drainage space, and the backwash pipe is used for flushing the bottom wall and the side wall of the drainage space.

Further, the backwashing pipe is a perforated pipe with multiple flushing holes.

Furthermore, a linear drainage structure can be formed after a plurality of hollow curbstones are assembled linearly, and a plurality of drainage spaces are connected to form a drainage channel of the linear drainage structure.

Further, the hollow curb is made of plastic, metal or resin concrete.

On the other hand, there is also provided a composite pavement comprising:

pavement;

The linear drainage structure is located at the position where the road surface needs to be drained. The linear drainage structure is composed of the above-mentioned modular curb structure linear combination; the water inlet is connected with the upper space of the road surface, and the first seepage hole is located below the road surface, which can seep out the rainwater. to gravel and/or soil layers;

The seepage inspection well is located on the linear drainage structure and communicates with the drainage spaces of two adjacent modular curb structures.

Further, the pavement includes an impermeable first pavement and a permeable second pavement, the linear drainage structure is arranged between the first pavement and the second pavement, the first pavement is lower than the second pavement, and the top of the hollow curb is connected to the second pavement. The top surface of the road surface is flat, the water inlet communicates with the upper space of the first road surface, and the first seepage hole is located below the first road surface.

Compared with the prior art, the utility model can realize at least one of the following beneficial effects:

a) It can collect road rainwater, intercept solid matter and suspended matter, and has the function of infiltration; surface runoff rainwater enters the gravel layer through hollow curb stones for storage and infiltration.

b) Through the installation of lighting devices and sewage systems in the hollow road curbs, the rainwater permeable function is coupled with the engineering devices and engineering technology of the road landscape, which can improve efficiency, simplify procedures, reasonable cost, and convenient maintenance.

c) There is a backwash pipe in the hollow curb, which can ensure the long-term comprehensive performance of the system, meet the low-carbon and green design concept of the sponge city, and have good economic and social benefits.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of this specification or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in the embodiments of this specification, and those skilled in the art can also obtain other drawings based on these drawings.

Fig. 1 is the sectional structure schematic diagram of the composite pavement provided by the utility model;

Fig. 2 is the schematic plan view of the composite pavement provided by the utility model;

Fig. 3 is a schematic diagram of A-A section structure in Fig. 2;

Fig. 4 is a schematic diagram of the B-B section structure in Fig. 2 .

Reference signs:

1. The first road surface; 2. The second road surface; 3- gravel layer; 4- seepage inspection well; 2. Water inlet; 6-3. The first water seepage hole; 6-4. Cleaning port; 7-Lighting device; 8-Mist system; 9. Backwash pipe.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In order to facilitate the understanding of the embodiments of the present application, the following will further explain and illustrate with specific embodiments in conjunction with the accompanying drawings, and the embodiments do not constitute a limitation to the embodiments of the present application.

In the description of the embodiments of the present utility model, it should be noted that, unless otherwise specified and limited, the term "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral The connection can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The terms "top", "bottom", "above", "below" and "on" are used throughout the description to refer to relative positions of components of the device, such as top and bottom substrates inside the device relative position. It will be appreciated that the devices are multifunctional independent of their orientation in space.

Example 1

A specific embodiment of the present invention, as shown in Figures 1 to 4, discloses a modular curb structure, including a hollow curb 6, the hollow curb 6 has a drainage space 6-1, a water inlet 6-2 And the first water seepage hole 6-3, the water inlet 6-2 and the first water seepage hole 6-3 are located on the side wall of the drainage space 6-1; wherein, the water inlet 6-2 is used as a channel for rainwater to flow into the drainage space 6-1 Inlet, the first water seepage hole 6-3 is located below the water inlet 6-2, and is used for rainwater seepage in the drainage space 6-1, and the rainwater seeped from the first water seepage hole 6-3 enters the gravel layer or soil layer .

In this embodiment, a plurality of hollow curbstones 6 can be linearly assembled to form a linear drainage structure, the water inlet 6-2 of the hollow curbstone 6 is the rainwater inlet of the linear drainage structure, and multiple drainage spaces 6-1 are connected to form a linear drainage structure Structural drainage channels.

In this embodiment, the aperture of the water inlet 6-2 is larger than the aperture of the first water seepage hole 6-3, and a plurality of first water seepage holes 6-3 are evenly arranged below the water inlet 6-2. Wherein, the porosity of the hollow curbstone 6 is 1.5-3%, the aperture of the water inlet 6-2 is 30-50 mm, and the aperture of the first seepage hole 6-3 is 15-30 mm. Among them, the water intake of the hollow curbstone 6, the drainage capacity of the hollow part, and the drainage capacity of the branch pipes connected to the municipal drainage pipes shall meet the requirements for the calculated drainage volume of the road, and shall meet the provisions of the current national regulations, and shall not be lower than the once-in-10-year calculation. displacement.

In one of the optional implementation manners, the lighting device 7 and/or the fogging system 8 are arranged in the drainage space 6-1, and the water inlet 6-2 also serves as a light-transmitting hole and a mist-penetrating hole. Through the lighting device in the hollow curb, the landscape lighting function is realized; the fog forest and the lighting are buried underground in the non-motorized driveway, which meets the relevant national regulations. The terminal device can be installed in the curb, and the nearest hole is used to enter the interior. Through the installation of lighting, cleaning and fogging systems in the hollow curb, the main pipes are all set in the soil on the right side of the curb to meet the multiple requirements of landscape fogging, cooling and dust removal, and road cleaning. According to the air pollution and road pollution conditions, regular or Automatic spraying, the water source can use miscellaneous water sources such as rainwater storage tanks, landscape water, and reclaimed water.

In one of the optional embodiments, the composite pavement is also equipped with a cleaning system, the cleaning system adopts a vehicle-mounted mobile high-pressure washing vehicle, and a cleaning port 6-4 is set on the top of the hollow curbstone 6, and the cleaning port 6-4 is connected to the drain. The space 6-1 is connected, and the inside of the drainage space 6-1 is flushed through the cleaning port 6-4. Specifically, a backwash pipe 9 is provided in the drainage space 6-1, and the backwash pipe 9 is connected to a flushing power source and a backwash controller, and the backwash pipe 9 is used for flushing the bottom wall and the side wall of the drainage space 6-1. The washing power source can be a high-pressure washing vehicle, and the backwashing controller is used to control the backwashing operation. The backwashing controller controls the backwashing pipe 9 to flush twice in March and June every year, adopts timing control, restarts once in March and June every year, and is easy to operate and low in cost. Wherein, the backwash pipe 9 can extend into the drainage space 6-1 through the cleaning port 6-4. Of course, when the hollow curb 6 is assembled, the backwash pipe 9 can be fixedly arranged in the drainage space 6-1. The water inlet end of the flushing pipe 9 is provided with an interface, which can be quickly disassembled and connected to the outlet pipe of the high-pressure washing vehicle.

Preferably, the backwash pipe 9 is a perforated pipe with multiple flushing holes.

Further, the composite pavement also includes a water storage area, which communicates with the gravel layer 3 , part of the rainwater infiltrated in the gravel layer 3 flows to the water storage area for storage, and the filtered water in the water storage area communicates with the backwash pipe 9 . When flushing, use the infiltrated rainwater to save water.

In an optional embodiment, the hollow curbstone 6 has a U-shaped section, the backwash pipe 9 is close to the inner wall of the hollow curbstone 6, and the flushing direction of at least a part of the flushing holes is vertically downward, and the flushing water flow cuts To enter the arc-shaped bottom of the U-shaped section, so as to ensure the cleaning effect.

In this embodiment, the hollow curbstone 6 is made of plastic material, metal material or high-density resin concrete material, which has better water flow capacity and better ring stiffness, and also has the functions of drainage, pollution prevention, water distribution and infiltration.

This embodiment also discloses a composite pavement, as shown in Figures 1 to 4, including the pavement, the linear drainage structure at the position where the pavement needs to be drained, and the linear drainage structure is composed of a linear combination of modular curb structures; the water inlet 6-2 Communicating with the upper space of the road surface, the first seepage hole 6-3 is located below the road surface, and can seep rainwater out to the gravel layer 3 and/or the soil layer;

The seepage inspection well 4 is arranged on the linear drainage structure and communicates with the drainage spaces 6-1 of two adjacent modular curb structures.

The composite pavement provided by this embodiment has multiple functions of rainwater collection, infiltration, discharge, and landscape lighting, and can use embedded light-emitting devices for road lighting. This composite pavement can be used in driveways, sidewalks, parking lots, parks, squares, It is also suitable for rainwater utilization systems in moderate-scale building communities if multiple parts such as walkways are set up. The entire system is a complete set of equipment products. In a specific project, the amount of rainwater infiltration, storage, discharge, and project scale must be calculated and determined according to the "Technical Specifications for Rainwater Utilization Engineering in Buildings and Residential Areas".

In an optional embodiment, the road surface includes a first road surface 1 and a second road surface 2 , and a linear drainage structure is arranged between the first road surface 1 and the second road surface 2 . Preferably, the first road surface 1 is impermeable, the first road surface 1 is a roadway, and the second road surface 2 can be permeable, such as a green space next to the roadway, and the green space directly infiltrates rainwater into the gravel layer 3 below; the second road surface 2 is also Can be impermeable, such as the second road surface 2 is a sidewalk. It can be understood that the composite pavement of this embodiment can be installed in multiple locations such as driveways, sidewalks, parking lots, parks, squares, and footpaths. The first road surface 1 is lower than the second road surface 2, the top of the hollow curb stone 6 is flat with the top surface of the second road surface 2, the water inlet 6-2 communicates with the upper space of the first road surface 1, and the first seepage hole 6-3 is located Below the first pavement 1. When it rains, the rainwater on the first road surface 1 can flow into the drainage space 6-1 through the water inlet 6-2 of the hollow curbstone 6, without causing water accumulation on the first road surface 1.

In this embodiment, a gravel layer 3 is also provided below the road surface, which can store and infiltrate rainwater. In one preferred embodiment, the gravel layer 3 is located below the second road surface 2, and when it rains, the linear drainage structure collects the rainwater on the first road surface 1 and the second road surface 2, and guides the collected rainwater into the gravel layer 3. The rainwater in the gravel layer 3 infiltrates into the soil layer below and around the gravel layer 3 . Further, the porosity of the gravel layer 3 is greater than or equal to 25%, and a permeable geotextile is arranged between the gravel layer 3 and the soil layer. The thickness of the permeable geotextile is 1.5mm, and the mass per unit area is 100-300g/m2, and the permeability is greater than that The maximum water seepage requirements of clad infiltration facilities must have good soil retention, water permeability and anti-blocking properties.

In this example, the first road surface 1 and the second road surface 2 can use traditional materials such as ordinary concrete, prefabricated concrete modules, stone, floor tiles, ceramic tiles, and ashlar. Preferably, at least one of the first pavement 1 and the second pavement 2 is assembled from a plurality of pavement modules, the pavement modules are prefabricated structures, and the pavement modules are rectangular concrete blocks to meet the basic functions of pavement such as assembly, load bearing and friction. By designing the pavement as a prefabricated structure, various specifications of stereotyped modular standard products can be prepared, which can meet the assembly of pavements of different sizes and improve construction efficiency.

The upper part of the seepage inspection well 4 communicates with the drainage channel, and the lower part of the seepage inspection well 4 communicates with the gravel layer 3 . The seepage inspection well is preferably a finished product. The distance between the bottom of the well and the groundwater level is greater than or equal to 1.5m. Holes are opened on the well wall and the bottom of the well. Rainwater seeps into the ground after passing through the gravel layer.

Since there are sundries in the rainwater, in order to prevent the sundries from blocking the drainage channel, a dirt intercepting frame 5 is provided in the seepage inspection well 4 to filter the sundries in the rainwater flowing into the seepage inspection well 4. The dirt intercepting frame 5 is provided with a and closed caps 5-1. The trash catch frame is made of stainless steel or plastic, lined with non-woven fabric, which can play a role in intercepting sundries and suspended solids in rainwater, and reduce SS and other indicators in rainwater. The rainwater flowing out from the drainage channel is first filtered through the sewage intercepting frame 5, and the filtered rainwater flows to the lower part of the seepage inspection well 4, flows into the gravel layer 3, and then infiltrates into the soil layer.

Further, a drainage pipe is also connected to the seepage inspection well 4, and the drainage pipe is connected to the municipal rainwater drainage pipe network, and the rainwater that is too late to infiltrate is discharged into the municipal drainage pipe through the drainage pipe.

Preferably, the sewage intercepting frame 5 is suitable for the mechanical operation of municipal garbage transport vehicles, including a series of actions such as mechanical lifting, turning, and resetting, so as to meet the necessary mechanical strength and have a service life not lower than that of urban garbage bins. When the garbage in the dirt intercepting frame 5 needs to be cleaned up, the municipal garbage truck can be directly used to complete the automatic operation.

In an optional embodiment, a water distribution pipe is connected to the side wall of the drainage channel, and the rainwater in the drainage channel is diverted to a remote gravel layer area through the water distribution pipe. Specifically, the water distribution pipe is laid in the gravel layer 3, the water distribution pipe is a perforated pipe, and a plurality of through holes are arranged on the water distribution pipe, which can evenly guide rainwater to different positions in the gravel layer. Further, the water distribution pipe intersects the water flow direction of the drainage channel vertically or at a large angle. By connecting the water distribution pipe on the side wall of the drainage channel, the rainwater will be drawn out in time when the rainfall is heavy, and the rainwater will be drawn to a farther place for infiltration, expanding the infiltration area and improving the infiltration capacity.

In one of the optional implementations, the linear drainage structure can also use a drainage ditch, the mouth of the drainage ditch is a rainwater inlet, and a second water seepage hole is set on the side wall of the drainage ditch, and the drainage ditch is also connected with a water guide pipe. Both the seepage hole and the aqueduct are in communication with the gravel layer 3; the side walls of the drainage ditch are connected with water distribution pipes, which can lead rainwater to the farther gravel layer 3 for infiltration. The seepage ditch is made of perforated resin concrete, the opening rate of the second seepage hole is 1.5%-3%, and the opening diameter of the second seepage hole is 30-50mm.

It can be understood that, in this embodiment, the linear drainage structure may be a combination of hollow curbstones 6 and drainage ditches, and the hollow curbstones 6 and drainage ditches are arranged alternately. That is to say, the pavement can adopt the drainage method combining the hollow curb 6 and the drainage ditch.

When rainfall occurs, the rainwater first falls on the road surface and the roof, and then enters the hollow curbstone after confluence, and flows into the seepage inspection well through the drainage channel connected by the drainage space. It is filled in the gravel layer and infiltrates into the soil layer continuously. As the rainfall continues to increase, the rainwater continues to infiltrate while being stored. The excess rainwater will overflow the outlet of the infiltration inspection well and enter the infiltration ditch, and then the rainwater will It is stored and infiltrated in the seepage ditch, and then transferred to the next seepage inspection well, that is, it is continuously stored and infiltrated in the whole infiltration-drainage integration. When the maximum rainwater load of the system is exceeded, the system will use the excess rainwater Drainage downstream municipal pipe network.

Compared with the prior art, the composite pavement provided by this embodiment can at least achieve one of the following beneficial effects:

1. The design principle of this utility model is simple, and the construction is convenient. It can not only realize the collection of rainwater, the initial sewage interception, but also the infiltration of rainwater, conserve groundwater sources and beautify the surrounding ecological environment, and can also discharge excess rainwater normally. The drainage function of the drainage pipe; it has multiple energy-saving, environmental protection, low-carbon, and ecological effects, and is suitable for the construction of sponge cities such as municipal roads, buildings, and residential areas.

2. The composite pavement can be prefabricated in the factory, and the finished modules are standard modules, which improves construction efficiency and can meet the assembly of pavements of different sizes, and is widely used.

3. The intelligent pavement coupled with the sponge city function of the utility model can not only realize the initial purification of rainwater, but also realize the infiltration of rainwater, and can also discharge and collect excess rainwater normally.

4. The utility model can replace or reduce traditional rainwater pipes, rainwater outlets, and rainwater inspection wells, and use infiltration open trenches to realize rainwater collection and discharge, reduce traditional rainwater inspection wells on the road surface, and improve the road landscape effect of building communities; reduce traditional deep-buried rainwater Pipes reduce the difficulty of laying outdoor pipe networks; seepage trenches are easy to clean and manage, avoiding the harm caused by blockage of traditional rainwater pipes.

The specific implementation described above has further described the purpose, technical solutions and beneficial effects of the application in detail. It should be understood that the above description is only a specific implementation of the application, and is not intended to limit the scope of the application. Scope of protection: All modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the scope of protection of this application.

Claims (10)

1. A modular curb structure, characterized in that it comprises a hollow curb (6), and the hollow curb (6) has a drainage space (6-1), a water inlet (6-2) and a first water seepage The hole (6-3), the water inlet (6-2) and the first seepage hole (6-3) are arranged on the side wall of the drainage space (6-1); Wherein, the water inlet (6-2) serves as an inlet for rainwater to flow into the drainage space (6-1), and the first seepage hole (6-3) is located below the water inlet (6-2), It is used for rainwater infiltration in the drainage space (6-1). 2. The modular curb structure according to claim 1, characterized in that, the aperture of the water inlet (6-2) is larger than the aperture of the first seepage hole (6-3), and a plurality of first seepage holes The holes (6-3) are evenly arranged below the water inlet (6-2). 3. The modular curb structure according to claim 2, characterized in that, the opening ratio of the hollow curb (6) is 1.5-3%, and the aperture of the water inlet (6-2) is 30 ~50mm, the diameter of the first seepage hole (6-3) is 15~30mm. 4. The modular curb structure according to claim 1, characterized in that, the drainage space (6-1) is provided with a lighting device (7) and/or a fogging system (8), and the water inlet (6-2) Both the light-transmitting hole and the fog-penetrating hole are used. 5. The modular curb structure according to claim 1, characterized in that, a backwash pipe (9) is provided in the drainage space (6-1), and the backwash pipe (9) is used for flushing all The bottom wall and the side wall of the drainage space (6-1). 6. The modular curb structure according to claim 5, characterized in that the backwash pipe (9) is a perforated pipe with a plurality of flushing holes. 7. The modular curb structure according to any one of claims 1 to 6, characterized in that a plurality of hollow curb stones (6) can form a linear drainage structure after linear assembly, and a plurality of the drainage spaces (6-1) Drain passages connected into the linear drainage structure. 8. The modular curb structure according to claim 7, characterized in that the hollow curb (6) is made of plastic, metal or resin concrete. 9. A composite pavement, characterized in that it comprises: pavement; The linear drainage structure is arranged at the position where the road needs to be drained, and the linear drainage structure is composed of a linear combination of the modular curb structure described in any one of claims 1 to 8; the water inlet (6-2) and The upper space of the road surface is connected, and the first seepage hole (6-3) is located below the road surface, and can seep rainwater out to the gravel layer (3) and/or soil layer; The seepage inspection well (4) is arranged on the linear drainage structure and communicates with the drainage spaces (6-1) of two adjacent modular curb structures. 10. The composite pavement according to claim 9, characterized in that, the pavement comprises an impermeable first pavement (1) and a permeable second pavement (2), and the linear drainage structure is arranged on the first pavement Between the road surface (1) and the second road surface (2), the first road surface (1) is lower than the second road surface (2), and the top of the hollow curbstone (6) is in contact with the second road surface ( 2) is flat, the water inlet (6-2) communicates with the space above the first road surface (1), and the first seepage hole (6-3) is located on the first road surface (1) below.