Urban road surface rainwater drainage system without rainwater pipeline

Abstract

The urban road pavement rainwater drainage system comprises vertical curbs, an embedded culvert, an invisible cover plate capable of opening the embedded culvert and a side ditch, the vertical curbs comprise standard vertical curbs and open vertical curbs arranged at intervals, the embedded culvert is arranged below a sidewalk, the open vertical curbs are arranged below the sidewalk, and the embedded culvert is arranged below the sidewalk. One end of the openable concealed culvert invisible cover plate is connected with the opening of the open vertical curb, the other end of the openable concealed culvert invisible cover plate is connected with the side ditch, the openable concealed culvert invisible cover plate is arranged above the concealed culvert, and a grate is arranged on the opening of the open vertical curb. The drainage system is simple in drainage mode, high in drainage efficiency and convenient to maintain and clean, meanwhile, a rainwater pipeline system is not needed, the construction cost is reduced, and the construction period is shortened.

Description

Technical Field

[0001] The utility model belongs to the field of urban road drainage engineering, and in particular relates to an urban road pavement rainwater drainage system which does not require rainwater pipes. Background Art

[0002] Traditional municipal road pavement rainwater collection is mainly based on structures such as rainwater inlets and rainwater grates on both sides of the road. When it rains, the rainwater on the road surface flows along the longitudinal and transverse slopes of the road to the rainwater inlets on both sides of the road, and then is discharged into the rainwater main pipe through the rainwater inlet connecting pipes.

[0003] However, the following two situations are not suitable for collecting rainwater on road surfaces by setting up rainwater outlets and rainwater pipes:

[0004] (1) Existing road reconstruction: Especially in the four-good rural road reconstruction projects that have been more common in recent years, the existing roads are generally only road sections with motor vehicle lanes, and the rainwater on the road surface can be discharged to the side ditches on both sides of the road along the road slope. However, in the process of urbanization in the area, in order to facilitate the travel of residents on both sides, it is necessary to build new sidewalks on both sides of the existing road. Because the sidewalks are higher than the motor vehicle lanes, the rainwater on the motor vehicle lanes can no longer be directly discharged into the side ditches on both sides of the road along the road slope, so the discharge of rainwater on the road surface needs to be reconsidered. If the traditional new rainwater pipe system is used to collect and discharge road rainwater, the entire existing road needs to be demolished and restored, which not only greatly increases the amount of reconstruction work, but also causes a waste of construction costs and prolongs the construction period.

[0005] (2) Phased implementation of roads: In the process of implementing and improving the urban road network, due to the difference in traffic volume in the near and long term, if the near-term project investment is limited, when implementing those roads located in the periphery of the city with a wider planned width but a smaller traffic volume in the initial stage of construction, and only used for connecting the road network in the near term, the project will be considered for phased implementation according to the near and long term. In the near term, it is generally sufficient to build two-way two-lane roads and sidewalks that meet the basic use functions of the road. If rainwater pipes are set up in the near term to collect and discharge rainwater from the road surface, it will be detrimental to the implementation and renovation of the road section in the long term, and it will also cause repeated construction and investment in the rainwater pipe system, extending the construction period. Utility Model Content

[0006] The utility model aims to develop a rainwater drainage system for urban roads which does not require rainwater pipes. The rainwater drainage system does not require the construction of rainwater pipes and rainwater outlets, has a simple drainage method, high drainage efficiency, convenient maintenance and cleaning, and low engineering cost.

[0007] The above-mentioned purpose of the utility model can be achieved through the following technical scheme: a rainwater drainage system for urban road pavement without setting up rainwater pipes, including a curbstone, a culvert, an openable culvert invisible cover and a side ditch, the curbstone includes a standard curbstone and an open curbstone set at intervals, the culvert is set below the sidewalk, one end of which is connected to the opening of the open curbstone, and the other end is connected to the side ditch, the openable culvert invisible cover is set above the culvert, and a grate is set on the opening of the open curbstone.

[0008] Preferably, the grate is a ductile iron grate, the function of which is to prevent rainwater from bringing garbage and debris into the culvert or clogging the culvert.

[0009] Preferably, the structure, pattern and color of the openable culvert invisible cover are compatible with the structure, pattern and color of the surface layer of the sidewalk.

[0010] An openable culvert invisible cover is arranged above the culvert to facilitate the later inspection and cleaning of the culvert. The openable culvert invisible cover is consistent with the structure, pattern and color of the sidewalk surface, thereby maintaining the aesthetics of the sidewalk and the continuity of the blind path.

[0011] Furthermore, energy dissipation pebbles are arranged in the side ditch, and the particle size of the energy dissipation pebbles is 30-50 mm.

[0012] When the culvert is connected to the road ditch, energy dissipation pebbles with a particle size of 30 to 50 mm are arranged inside the ditch to prevent the ditch from being eroded when rainwater in the culvert is discharged into the ditch.

[0013] Preferably, the sidewalk is provided with a sidewalk transverse slope sloping toward the side ditch outside the sidewalk.

[0014] Furthermore, the slope of the sidewalk transverse slope is 1.0% to 2%.

[0015] Furthermore, the slope and direction of the culvert are adapted to the cross slope of the sidewalk.

[0016] A sidewalk cross slope is set up towards the outer ditch of the sidewalk, and rainwater on the sidewalk can be discharged into the road side ditch along the sidewalk cross slope. The size and direction of the slope of the culvert are consistent with the sidewalk cross slope, so that rainwater in the culvert can be better discharged into the ditch.

[0017] Preferably, a brick base is provided below the openable culvert invisible cover plate, and a concrete cushion is provided below the brick base. Further, the concrete cushion is a C25 concrete cushion.

[0018] Furthermore, asphalt sloping and flat curb sloping are provided on the road surface of the motor vehicle lane near the opening curb.

[0019] Preferably, the opening bottom elevation of the opening curbstone is lower than the road surface height of the motor vehicle lane.

[0020] Furthermore, the elevation of the opening bottom of the open curbstone is 40 to 60 mm lower than the road surface height of the motor vehicle lane.

[0021] Preferably, the distance between two adjacent opening edge stones is 8 to 12 m, more preferably 10 m.

[0022] In practice, the size and spacing of the curb openings can be adjusted to suit stormwater drainage needs.

[0023] Preferably, the width of the culvert is 0.4-0.8m, more preferably 0.6m, and the height is 0.08-0.12m, more preferably 0.1m.

[0024] Compared with the prior art, the utility model has the following beneficial effects:

[0025] (1) The utility model does not need to set up rainwater pipes and rainwater inlets, which greatly reduces the impact of existing road reconstruction, is conducive to the long-term reconstruction of new roads, reduces the investment in construction costs, and can greatly shorten the construction period;

[0026] (2) When it rains, rainwater gathers toward the open curb under the action of the road's transverse slope, and enters the culvert through the grating. An open curb is set every 8 to 12 meters, and the rainwater discharge path is short. The motor vehicle road surface around the open curb is set with asphalt sloping and flat curb sloping, which has high drainage efficiency, avoids water accumulation, and facilitates the passage of pedestrians and vehicles;

[0027] (3) The openable culvert cover installed on the sidewalk is conducive to the timely cleaning of garbage and debris, which greatly reduces the workload of cleaning compared to cleaning rainwater pipes;

[0028] (4) The grating is set on the edge stone and is closely connected with the culvert. There is no manhole cover of the inspection well and the grating surface of the rainwater outlet on the roadway, which improves driving comfort;

[0029] (5) The opening edge stone and grating of the utility model adopt a customized modular structure, which is easy to produce, construct and replace, and reduces the cost and difficulty of subsequent maintenance;

[0030] (6) The utility model has a simple structure, is easy to construct, has a low construction cost, can be installed on various newly built and renovated urban roads, and has a wide range of applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The utility model is further described below by means of the accompanying drawings:

[0032] Figure 1It is a top view of the urban road pavement rainwater drainage system of the utility model;

[0033] Figure 2 It is a cross-sectional view of the urban road pavement rainwater drainage system of the utility model;

[0034] Figure 3 It is a structural schematic diagram of the grate of the urban road pavement rainwater drainage system;

[0035] Figure 4 It is a structural diagram of the culvert of the urban road pavement rainwater drainage system;

[0036] Figure 5 It is a structural diagram of the ground slope around the open curbstone of the urban road pavement rainwater drainage system;

[0037] Figure numerals: 1- curbstone; 11- standard curbstone; 12- open curbstone; 2- culvert; 21- concrete cushion; 22- brick base; 3- openable culvert invisible cover; 4- side ditch; 5- energy dissipation pebbles; 6- sidewalk; 7- motor vehicle lane; 71- asphalt slope; 72- flat curbstone slope; 73- standard flat curbstone; 8- grate. DETAILED DESCRIPTION

[0038] The present invention is further described below through specific embodiments.

[0039] like Figure 1-5 As shown, the urban road pavement rainwater drainage system provided by the present embodiment does not require the installation of rainwater pipes, and includes a curbstone 1, a culvert 2, an openable culvert invisible cover 3 and a side ditch 4. The curbstone 1 includes a standard curbstone 11 and open curbstones 12 arranged at intervals. The culvert 2 is arranged below the sidewalk 6, one end of which is connected to the opening of the open curbstone 12, and the other end is connected to the side ditch 4. The openable culvert invisible cover 3 is arranged above the culvert 2, and a grate 8 is provided on the opening of the open curbstone 12.

[0040] The distance between two adjacent opening edge stones 12 is 8 to 12 m, and in this embodiment is 10 m.

[0041] The width of the culvert 2 is 0.4-0.8 m, and the height is 0.08-0.12 m. In this embodiment, the width of the culvert 2 is 0.6 m, and the height is 0.1 m.

[0042] like Figure 1 An openable culvert invisible cover plate 3 is arranged above the culvert 2 to facilitate the later maintenance and cleaning of the culvert 2. The structure, pattern and color of the openable culvert invisible cover plate 3 are consistent with the surface layer of the sidewalk 6, thereby maintaining the aesthetics of the sidewalk 6 and the continuity of the blind path. Figure 4 shown.

[0043] like Figure 1 and Figure 2 When the culvert 2 is connected to the road ditch 4, energy dissipation pebbles 5 with a particle size of 30 to 50 mm are arranged inside the ditch 4 to prevent the ditch 4 from being eroded when rainwater in the culvert 2 is discharged into the ditch 4.

[0044] like Figure 2 The sidewalk 6 is provided with a sidewalk transverse slope sloping toward the side ditch 4 outside the sidewalk. Rainwater on the sidewalk 6 is discharged into the road side ditch 4 along the sidewalk transverse slope. The slope and direction of the culvert 2 are consistent with the sidewalk transverse slope. The arrows shown in the figure are the slope directions of the sidewalk 6 and the culvert 2, and the slope is 1.0% to 2.0%.

[0045] like Figure 3 A grate 8 is provided on the opening of the opening edge stone 12. The grate 8 is a ductile iron grate, which can prevent rainwater from bringing garbage and debris into the culvert 2 or blocking the culvert 2.

[0046] like Figure 4 A brick base 22 is arranged below the invisible cover plate 3 of the openable culvert, and a C25 concrete cushion layer 21 is arranged at the bottom of the brick base 22.

[0047] like Figure 5 The road surface of the motor vehicle lane 7 around the open curb 12 is provided with asphalt slope 71 and flat curb slope 72, the flat curb slope 72 is surrounded by standard flat curb 73, and the open curb 12 is surrounded by standard curb 11, wherein the opening bottom elevation of the open curb 12 is about 50 mm lower than the surrounding motor vehicle lane 7.

[0048] The working process of the utility model is as follows:

[0049] When it rains, the rainwater on the motorway gathers toward the open curb 12 under the action of the asphalt sloping 71 and flat curb sloping 72 set around the road cross slope and the open curb 12, and the rainwater on the motorway enters the culvert 2 through the grating 8 on the opening of the open curb 12. The sidewalk 6 is provided with a sidewalk cross slope sloping toward the side ditch 4 outside the sidewalk, and the rainwater on the sidewalk is discharged into the road side ditch along the sidewalk cross slope. The slope size and direction of the culvert 2 are consistent with the sidewalk cross slope, and the rainwater in the culvert 2 is discharged into the rainwater side ditch 4. An openable culvert invisible cover 3 is provided above the culvert 2 to facilitate the inspection and cleaning of the culvert 2 at a later stage.

[0050] It should be pointed out that the above embodiments are only further explanations of the present invention rather than limitations. Any adjustments or changes by those skilled in the art within the meaning and scope equivalent to the technical solution of the present invention should be deemed to be included in the protection scope of the present invention.

Claims

1. A rainwater drainage system for urban roads without the need for rainwater pipes, characterized in that: The invention comprises a curbstone (1), a culvert (2), an openable culvert invisible cover plate (3) and a side ditch (4); the curbstone (1) comprises a standard curbstone (11) and an open curbstone (12) arranged at intervals; the culvert (2) is arranged below a sidewalk (6), one end of which is connected to the opening of the open curbstone (12) and the other end is connected to the side ditch (4); the openable culvert invisible cover plate (3) is arranged above the culvert (2), and a grate (8) is arranged on the opening of the open curbstone (12).

2. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1 is characterized in that: The structure, pattern and color of the openable culvert invisible cover plate (3) are compatible with the structure, pattern and color of the surface layer of the sidewalk (6).

3. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1 is characterized in that: Energy dissipation pebbles (5) are arranged in the side ditch (4), and the particle size of the energy dissipation pebbles (5) is 30-50 mm.

4. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1 is characterized in that: The sidewalk (6) is provided with a sidewalk transverse slope sloping toward the side ditch (4) outside the sidewalk.

5. The urban road pavement rainwater drainage system without rainwater pipes according to claim 4 is characterized in that: The slope and direction of the culvert (2) are adapted to the transverse slope of the sidewalk.

6. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1 is characterized in that: A brick base (22) is provided below the openable culvert invisible cover plate (3), and a concrete cushion layer (21) is provided below the brick base (22).

7. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1 is characterized in that: Asphalt sloping (71) and flat kerb sloping (72) are provided on the road surface of the motor vehicle lane (7) near the open kerb (12).

8. The urban road pavement rainwater drainage system without rainwater pipes according to claim 7 is characterized in that: The elevation of the opening bottom of the opening kerb (12) is lower than the road surface height of the motor vehicle lane (7).

9. The urban road pavement rainwater drainage system without rainwater pipes according to claim 8 is characterized in that: The elevation of the bottom of the opening of the open kerb (12) is 40 to 60 mm lower than the road surface height of the motor vehicle lane (7).

10. The urban road pavement rainwater drainage system without rainwater pipes according to claim 1, characterized in that: The distance between two adjacent opening edge stones (12) is 8 to 12 m; the width of the culvert (2) is 0.4 to 0.8 m, and the height is 0.08 to 0.12 m.

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