Green belt side sidewalk surface rainwater collecting and discharging system

Abstract

The utility model provides a green belt side sidewalk surface rainwater collecting and discharging system which comprises a sidewalk inclining transversely and a rainwater collecting and discharging assembly arranged below the green belt side, the rainwater collecting and discharging assembly comprises a vertical curb connected with the short edge of the sidewalk, and the vertical curb is provided with an opening; the flexible permeable pipe is arranged below the vertical curb, is distributed along the direction of the sidewalk and is configured to receive rainwater from the surface of the sidewalk through the opening of the vertical curb; the gravel inverted filter layer is arranged below the vertical curb, and the outer side of the soft permeable pipe is coated with the gravel inverted filter layer; the connecting pipe is partially arranged in the gravel inverted filter layer in a penetrating manner, and the connecting pipe is communicated with the soft permeable pipe and a gutter inlet beside the motor vehicle lane. According to the scheme, the drainage efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road infrastructure, in particular to a rainwater collection and discharge system on the sidewalk surface of a green belt. Background Art

[0002] According to the specifications, most of the current municipal roads are equipped with rainwater pipes. The main function of the rainwater pipes is to collect rainwater from the road surface and surrounding land, and discharge it in a centralized manner.

[0003] At present, the rainwater pipe system for collecting rainwater on the road surface mainly sets up rainwater outlets at intervals of 20-50m at the curbstone outside the motor vehicle lane. The rainwater on the road surface is discharged into the rainwater outlet through the cross slope of the road, and then discharged into the rainwater main pipe through the rainwater outlet connecting pipe. With the acceleration of urbanization, when designing new construction / renovation of urban roads, green belts are often used as separation belts between vehicles and non-motor vehicles to improve driving safety and traffic efficiency, resulting in the need for rainwater on the sidewalk to pass through the green belt and then be discharged into the rainwater collection outlet.

[0004] To solve the above problems, the current common solutions are: 1. Disconnect the green belt at the corresponding rainwater collection port and carry out hardening paving, so that water can pass through the surface hardening paving and drain horizontally into the rainwater collection port. 2. Set up a separate rainwater outlet on the side of the sidewalk and then drain it into the rainwater system. 3. Use permeable sidewalks to solve the rainwater discharge problem through infiltration.

[0005] The main problem with the above solutions is that in the construction of sidewalk paving, slope is one of the key factors. A reasonable slope can ensure that rainwater is discharged smoothly without water accumulation. The design takes into account the vertical and horizontal drainage of the sidewalk, and the rainwater is discharged into the set rainwater outlet position. However, during the construction process, the slope and flatness of the sidewalk are often a key issue that is easily overlooked, resulting in obvious local water accumulation during the actual operation in the later stage. This quality problem is often not discovered until the incident occurs. That is, the theoretical design meets the standard, but the actual construction shrinks seriously. Utility Model Content

[0006] In order to solve at least one of the above-mentioned technical problems, an embodiment of the present application aims to provide a rainwater collection and discharge system on the sidewalk surface on the green belt side, which can solve the technical problems of rainwater accumulation and untimely discharge on the sidewalk.

[0007] The embodiment of the present application provides a rainwater collection and discharge system on the sidewalk surface of a green belt, comprising a laterally inclined sidewalk and a rainwater collection and discharge component arranged below the side of the green belt, wherein the rainwater collection and discharge component comprises:

[0008] a curbstone connected to the short side of the sidewalk, the curbstone having an opening;

[0009] A soft water-permeable pipe is provided below the curbstone, the soft water-permeable pipe is distributed along the direction of the sidewalk and is configured to receive rainwater from the surface of the sidewalk through the opening of the curbstone;

[0010] A crushed stone filter layer is arranged below the edge stone, and the crushed stone filter layer is coated on the outside of the soft water-permeable pipe;

[0011] At least one connecting pipe is partially inserted into the crushed stone filter layer, and the connecting pipe is connected with the soft water-permeable pipe and the rainwater outlet beside the motor vehicle road.

[0012] Preferably, if there are multiple connecting pipes, the multiple connecting pipes are distributed at intervals along the direction of the soft water-permeable pipe.

[0013] Preferably, a rough layer is provided on the outer side of one end of the connecting pipe close to the rainwater outlet.

[0014] Preferably, the connecting pipe extends into the rainwater outlet and is fixedly connected to the rainwater outlet via a cement mortar layer sleeved on the outer wall of the connecting pipe.

[0015] Preferably, the rainwater collection and discharge assembly further comprises a partition layer arranged below the gravel filter layer.

[0016] Preferably, the barrier layer is made of impermeable geotextile material.

[0017] Preferably, the diameter of the soft water-permeable pipe is the same as that of the connecting pipe.

[0018] Preferably, the diameter of the soft water-permeable pipe is 200 mm.

[0019] Preferably, the soft water-permeable pipe is connected to the connecting pipe through a three-way pipe fitting.

[0020] Preferably, the edge stone comprises an upper portion and a lower portion, the lower portions are sequentially connected to each other, and two adjacent upper portions are spaced apart from each other to form the opening.

[0021] The beneficial effects of the embodiments of the present application are:

[0022] A rainwater collection and discharge component is designed between the green belt between the motor vehicle lane and the sidewalk, and the sidewalk is inclined toward the green belt, so that rainwater on the sidewalk surface can quickly move to the rainwater collection and discharge component and be discharged outward through the rainwater outlet next to the motor vehicle lane. This can reduce the runoff time of rainwater on the sidewalk surface, thereby improving drainage efficiency and is not affected by the permeability efficiency of the pavement structure layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a structural schematic diagram of a rainwater collection and discharge system on the sidewalk surface of a green belt shown in an embodiment of the present application;

[0024] Figure 2 It is a drainage plane schematic diagram of a rainwater collection and drainage system on the sidewalk surface of a green belt shown in an embodiment of the present application;

[0025] Figure 3 is a schematic diagram showing that a connecting pipe is connected to a rainwater outlet as shown in an embodiment of the present application;

[0026] Figure 4 It is a schematic diagram showing that a three-way pipe fitting is connected to a soft water-permeable pipe and a connecting pipe according to an embodiment of the present application;

[0027] Figure 5 is a schematic diagram of the arrangement of edge stones shown in an embodiment of the present application;

[0028] In the figure: 1, sidewalk; 2, curb stone; 20, opening; 21, upper part; 22, lower part; 3, soft permeable pipe; 4, gravel filter layer; 5, connecting pipe; 6, partition layer; 7, rainwater inlet; 8, three-way pipe fitting; 9, cement mortar layer; 10, rough layer. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] like Figure 1 and Figure 2 As shown, the embodiment of the present application provides a rainwater collection and discharge system on the sidewalk surface of a green belt, including a laterally inclined sidewalk 1 and a rainwater collection and discharge component arranged below the side of the green belt, and the rainwater collection and discharge component includes:

[0031] A kerbstone 2 connected to the short side of the sidewalk 1, and having an opening 20;

[0032] A soft water-permeable pipe 3 is provided below the kerb 2, the soft water-permeable pipe 3 is distributed along the direction of the sidewalk 1, and is configured to receive rainwater from the surface of the sidewalk 1 through the opening of the kerb 2;

[0033] A crushed stone filter layer 4 is provided below the edge stone 2, and the crushed stone filter layer 4 is coated on the outside of the soft water-permeable pipe 3;

[0034] At least one connecting pipe 5 is partially inserted into the crushed stone filter layer 4, and the connecting pipe 5 is connected with the soft permeable pipe 3 and the rainwater inlet 7 beside the motor vehicle road.

[0035] In the embodiment of the present application, rainwater on the sidewalk is collected to the edge of the sidewalk through the slope of the sidewalk 1, and then discharged into the green belt side through the opening 20 gap of the curb 2. After the rainwater passes through the surface planting soil of the green belt, it is discharged into the soft permeable pipe 3 after passing through the gravel filter layer 4. The soft permeable pipe 3 can collect rainwater along the direction of the sidewalk 1, and finally, it is discharged into the rainwater outlet 7 through the connecting pipe 5. The slope of the sidewalk 1 is 2%, and the connecting pipe can be made of PVC.

[0036] like Figure 2 As shown, in practice, liquids such as rainwater or accumulated water collected in the rainwater inlet 7 can be collected into the rainwater main pipe via a pipe.

[0037] It can be seen that the embodiment of the present application provides a new way of rainwater discharge. Combined with the method of collecting and regulating groundwater in highway projects, the tubular infiltration ditch is set on the junction of the green belt and the sidewalk, that is, a rainwater collection and discharge component is designed on the green belt side, and combined with the inclined sidewalk, the drainage efficiency can be effectively improved.

[0038] like Figure 2 As shown, as a preferred embodiment of the present application, if there are multiple connecting pipes 5, the multiple connecting pipes 5 are spaced apart along the direction of the soft permeable pipe 3. In this embodiment, the sidewalk 1 is generally long, and a single connecting pipe 5 may not necessarily meet the actual drainage needs. Therefore, the intervals between the connecting pipes 5 can be set according to actual needs, and multiple connecting pipes 5 can be used for parallel drainage, thereby improving the drainage efficiency.

[0039] like Figure 3 As shown, in one embodiment, a rough layer 10 is provided on the outer side of one end of the connecting pipe 5 close to the rainwater outlet 7. The connecting pipe 5 extends into the rainwater outlet 7 and is fixedly connected to the rainwater outlet 7 through a cement mortar layer 9 sleeved on the outer wall of the connecting pipe 5. The portion where the connecting pipe 5 is connected to the rainwater outlet 7 can be subjected to surface roughening treatment, and then a rough layer 10 is formed on the outer side of one end of the connecting pipe 5 close to the rainwater outlet 7, and cement mortar is used for leveling to obtain a cement mortar layer 9.

[0040] like Figure 4 As shown, in another embodiment, the diameter of the soft water-permeable pipe 3 is the same as that of the connecting pipe 5, the diameter of the soft water-permeable pipe 3 is 200 mm, and the soft water-permeable pipe 3 is connected to the connecting pipe 5 through a three-way pipe fitting 8. In this embodiment, the soft water-permeable pipe 3 and the connecting pipe 5 are both drainage pipes, and their diameters can refer to the pipe diameter of the pipe between the rainwater outlet 7 and the rainwater main pipe, for example, a pipe diameter of 200 mm is adopted. Rainwater flows in the soft water-permeable pipe 3 along its longitudinal direction, and a three-way pipe fitting 8 can be provided on the soft water-permeable pipe 3 to open a transverse outlet, which is connected to the connecting pipe 5, and then the rainwater can be discharged to the rainwater outlet 7, and finally the rainwater is discharged into the road rainwater system through the rainwater outlet 7.

[0041] like Figure 1 As shown, further, the rainwater collection and discharge assembly also includes a partition layer 6 arranged below the crushed stone filter layer 4, wherein the partition layer 6 is made of a water-impermeable geotextile material, and an impermeable geotextile can be selected. Wrapping the side and bottom of the crushed stone filter layer 4 with an impermeable geotextile can prevent a large amount of rainwater from infiltrating into the soil on the green belt side when the rainfall is too heavy.

[0042] like Figure 5 As shown, the edge stone 2 includes an upper portion 21 and a lower portion 22, each lower portion 22 is connected to the other in sequence, and two adjacent upper portions 21 are spaced apart from each other to form an opening 20. The lower portion 22 is buried in the ground between the sidewalk 1 and the green belt, and the upper portion 21 extends out of the ground. The opening 20 formed between the two adjacent upper portions 21 allows rainwater on the sidewalk 1 to enter the green belt side through the opening.

[0043] It can be seen that the rainwater collection and discharge system provided in the embodiment of the present application can reduce the runoff time of rainwater on the sidewalk surface, improve the drainage efficiency, and is not affected by the water permeability of the pavement structure layer. It can also reduce the water accumulation area on the sidewalk during rainy days, thereby improving the pedestrian traffic efficiency during rainy days, and can also reduce the incidence of diseases such as loosening of sidewalk panels and pumping, thereby extending the maintenance period.

[0044] The above are only preferred embodiments of the present invention and are 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 rainwater collection and drainage system on the sidewalk surface of a green belt, characterized in that: The invention comprises a laterally inclined sidewalk (1) and a rainwater collection and discharge assembly arranged below the side of a green belt, wherein the rainwater collection and discharge assembly comprises: a curb stone (2) connected to the short side of the sidewalk (1), wherein the curb stone (2) has an opening (20); a soft water-permeable pipe (3) arranged below the curb stone (2), wherein the soft water-permeable pipe (3) is distributed along the direction of the sidewalk (1) and is configured to receive rainwater from the surface of the sidewalk (1) through the opening of the curb stone (2); a crushed stone filter layer (4) arranged below the curb stone (2), wherein the crushed stone filter layer (4) covers the outside of the soft water-permeable pipe (3); and at least one connecting pipe (5) partially inserted into the crushed stone filter layer (4), wherein the connecting pipe (5) connects the soft water-permeable pipe (3) and a rainwater outlet (7) beside a motor vehicle lane.

2. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 1 is characterized in that: If there are multiple connecting pipes (5), the multiple connecting pipes (5) are distributed at intervals along the direction of the soft water-permeable pipe (3).

3. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 1 is characterized in that: A rough layer (10) is provided on the outer side of one end of the connecting pipe (5) close to the rainwater outlet (7).

4. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 1 is characterized in that: The connecting pipe (5) extends into the rainwater outlet (7) and is fixedly connected to the rainwater outlet (7) via a cement mortar layer (9) sleeved on the outer wall of the connecting pipe (5).

5. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 1 is characterized in that: The rainwater collection and discharge assembly further comprises a partition layer (6) arranged below the gravel filter layer (4).

6. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 5 is characterized in that: The barrier layer (6) is made of impermeable geotextile material.

7. The rainwater collection and drainage system on the sidewalk surface of the green belt according to claim 1 is characterized in that: The soft water-permeable pipe (3) is connected to the connecting pipe (5) via a three-way pipe fitting (8).

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