CN214362618U - Sponge urban road drainage system structure - Google Patents
Sponge urban road drainage system structure Download PDFInfo
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- CN214362618U CN214362618U CN202021382685.8U CN202021382685U CN214362618U CN 214362618 U CN214362618 U CN 214362618U CN 202021382685 U CN202021382685 U CN 202021382685U CN 214362618 U CN214362618 U CN 214362618U
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- motor vehicle
- drainage
- sewage interception
- seepage
- vehicle lane
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Abstract
The utility model discloses a sponge urban road drainage system structure, which is characterized by comprising a central component separation zone, a motor vehicle lane, a non-motor vehicle separation zone, a non-motor vehicle lane, a sidewalk-non-motor vehicle lane separation zone, a sidewalk and a parking space; the non-motor vehicle isolation belt is internally provided with a biological retention belt and a sewage interception drainage well, and the lower layer is provided with a seepage and drainage pipe which is communicated with the sewage interception drainage well; a sunken greenbelt or a rainwater garden and street trees are planted at intervals in the central direction separation zone, cobblestone or volcanic rock inorganic covering is paved on the surface layer to fix planting soil and plants, and a seepage and drainage pipe is arranged on the lower layer and is communicated with the sewage interception and drainage well; an ecological tree pool is arranged in the sidewalk-non-motor vehicle lane isolation belt, one side of the ecological tree pool is flush with the sidewalk, the other side of the ecological tree pool is connected with the non-motor vehicle lane through a perforated curb stone and is higher than the non-motor vehicle lane, and a seepage and drainage pipe is arranged on the lower layer and is communicated with the sewage interception and drainage well.
Description
Technical Field
The utility model relates to a sponge urban road drainage system structure belongs to urban road planning technical field.
Background
The international general term for sponge cities is 'low-impact development of rainwater system construction', which means that cities have good 'elasticity' in the aspects of adapting to environmental changes and coping with natural disasters caused by rainwater, namely, the cities absorb water, store water, seep water and purify water during raining, and the stored water is 'released' and utilized when needed, so that the sponge cities are a new generation of urban rainfall flood management concept.
The urban road as one of four underlying surfaces of the city accounts for about 20% of the construction land of the whole city, and the urban road is in a gradually increasing trend along with the continuous improvement of urbanization construction, and has an important role in the construction of sponge cities. The road system comprises a hard pavement and a green land system, and along with the promotion of sponge urban construction, road construction concepts with sponge functions such as permeable pavement, isolation zone grass planting ditches, sinking green belts, ecological detention pools and the like are also applied to the urban road.
All above schemes are based on single structure or link, can not continuously, stably, the effectual effect that plays the sponge, even still have the counteraction: if the permeable pavement can only solve the drainage problem of the hard pavement, the purification of rainwater cannot be realized, and even the pollution of the rainwater can be aggravated; the isolation zone grass planting ditch and the ecological retention pond have the functions of water absorption, water seepage and water purification, the excessive instantaneous rainfall easily causes serious water accumulation, the effective drainage effect cannot be achieved, and rainwater overflows to a road; the sinking greening belt effectively increases the drainage capacity of the road surface, but the rainwater usually directly seeps into the underground water, and the storage and reutilization effects of the rainwater are poor; the hard pavement has good drainage effect, good planting soil layer drainage and purification effect, and can cause waterlogging because a large amount of rainwater is gathered in the bioretention facility if the hard pavement can not be effectively communicated with the seepage pipe and the municipal pipeline. How to effectively combine and reasonably configure the hard structure of the road and the green space of the road is of great importance for effectively playing the sponge role of the road system.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the problem of the sponge effect of single structure or link can't last, stable, effectual performance urban road among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is to provide a sponge urban road drainage system structure, which is characterized by comprising a central component separation zone, a motor vehicle lane, a non-motor vehicle separation zone, a non-motor vehicle lane, a sidewalk-non-motor vehicle lane separation zone, a sidewalk and a parking space; the non-motor vehicle isolation belt is internally provided with a biological retention belt and a sewage interception drainage well, and the lower layer is provided with a seepage and drainage pipe which is communicated with the sewage interception drainage well; the central branch isolation belt is internally provided with sunken greenbelts or rainwater gardens and street trees planted at intervals, the surface layer is paved with cobblestone or volcanic rock inorganic covering to fix planting soil and plants, the lower layer is provided with a seepage and drainage pipe, and the seepage and drainage pipe is communicated with the sewage interception and drainage well; an ecological tree pool is arranged in the sidewalk-non-motor vehicle lane isolation belt, one side of the ecological tree pool is flush with the sidewalk, the other side of the ecological tree pool is connected with the non-motor vehicle lane through a perforated curb stone and is higher than the non-motor vehicle lane, and a seepage and drainage pipe is arranged on the lower layer and is communicated with the sewage interception and drainage well.
The central part is distributed in the isolation zone with sunken greenbelt/rainwater gardens and street trees planted at intervals, inorganic coverings such as cobblestones, volcanic rocks and the like are paved on the surface layer to fix planting soil and plants, and seepage and drainage pipes are paved on the lower layer and are communicated with the sewage interception and drainage well;
the hard pavement surface layers of the motor vehicle lane and the non-motor vehicle lane are paved by permeable asphalt concrete, and the arch cross slope is 1.0-1.5 percent;
the non-motor vehicle isolation belt is internally provided with a biological retention belt and a sewage interception drainage well, and the lower layer is provided with a seepage and drainage pipe;
furthermore, an overflow port is arranged at the upper part of the sewage interception and drainage well, a sewage interception net is arranged in the sewage interception and drainage well, the sewage interception net is tightly attached to the overflow port at the upper part of the sewage interception and drainage well and droops to the middle lower part of the sewage interception and drainage well, a water outlet of a seepage and drainage pipe is positioned in the sewage interception net, the sewage interception and drainage well is connected with a municipal rainwater pipeline, and a connecting port is positioned at the middle lower part of the sewage interception and drainage well and is positioned outside the sewage interception net;
an ecological tree pool is arranged in the sidewalk-non-motor vehicle lane isolation belt, one side of the ecological tree pool is flush with the sidewalk, the other side of the ecological tree pool is connected with the non-motor vehicle lane through a perforated curb stone and is higher than the non-motor vehicle lane, and a seepage and drainage pipe is laid on the lower layer and is communicated with the sewage interception and drainage well;
furthermore, the perforated curb is a vertical curb, the elevation is greater than that of the road surfaces or isolation belts on two sides, and the position close to the road surfaces is perforated;
the hard pavement surface layer of the sidewalk is paved by water permeable bricks, and the arch cross slope is 1.0-2.0%;
parking stall be ecological grass planting check, by concrete prefabricated section build into latticedly, plant herbaceous plant in the check, the lower floor has been laid and has been oozed the calandria, oozes the calandria and cuts dirty drainage well intercommunication.
Compared with the prior art, the beneficial effects of the utility model are that: all hard pavements are permeable pavements, so that rapid rainwater seepage and drainage can be realized, and the occurrence of surface water accumulation is prevented; the perforated curb is higher than the isolation belt, so that foreign matters such as soil, dry branches and fallen leaves in the isolation belt are prevented from rushing into the road surface; all rainfall enters the green space ecosystem with the purification function through hard pavement or directly and is discharged after being purified, and when the rainfall is lower than the upper limit of the infiltration of the green space ecosystem, the 100 percent purification of the rainwater is realized; when the instantaneous precipitation exceeds the upper limit of the green space ecosystem permeation, the instantaneous precipitation is directly discharged after being filtered by a sewage interception net in the sewage interception and drainage well, and the damage to the green space ecosystem caused by excessive accumulated water is prevented. The functions of seepage, stagnation, storage, purification and drainage of the sponge urban road drainage system are realized.
Drawings
FIG. 1 is a diagram of rainwater drainage of the present invention, and the arrow indicates the direction of rainwater flow;
FIG. 2 is a schematic structural view of the present invention;
reference numerals: the arrow is the rainwater flow direction, 1, the perforated curb, 2, the central component median, 3, the motor way, 4, the non-motor vehicle median, 5, the non-motor way, 6, the pavement-non-motor vehicle way median, 7, the pavement, 8, the parking stall, 9, municipal rainwater pipeline, 10, the sewage interception and drainage well, 11, the drain pipe, 12, the seepage and drainage pipe.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
Referring to fig. 2, the sponge urban road drainage system structure comprises a central diversion isolation belt 2, a motor vehicle lane 3, a non-motor vehicle isolation belt 4, a non-motor vehicle lane 5, a sidewalk-non-motor vehicle lane isolation belt 6, a sidewalk 7 and a parking space 8. The central part is distributed into the isolation belt 2 to be sunk greenbelt/rainwater garden and planting street trees at intervals, inorganic coverings such as cobblestones, volcanic rocks and the like are paved on the surface layer to fix planting soil and plants, a seepage and drainage pipe 12 is paved on the lower layer, and the seepage and drainage pipe 12 is communicated with the sewage interception and drainage well 10; the hard pavement surface layers of the motorway 3 and the non-motorway 5 are paved by permeable asphalt concrete, and the arch cross slope is 1.0 to 1.5 percent; a biological retention belt and a sewage interception and drainage well 10 are arranged in the non-motor vehicle isolation belt 4, a seepage and drainage pipe 12 is arranged on the lower layer, an overflow port is arranged at the upper part of the sewage interception and drainage well 10, a sewage interception net is arranged in the sewage interception and drainage well, the sewage interception net is tightly attached to the overflow port at the upper part of the sewage interception and drainage well and droops to the middle lower part of the sewage interception and drainage well, the water outlet of the seepage and drainage pipe is positioned in the sewage interception net, the sewage interception and drainage well is connected with a municipal rainwater pipeline, and a connecting port is positioned at the middle lower part of the sewage interception and drainage well and is positioned outside the sewage interception net; an ecological tree pool is arranged in the sidewalk-non-motor vehicle lane isolation belt 6, one side of the ecological tree pool is flush with a sidewalk 7, the other side of the ecological tree pool is connected with a non-motor vehicle lane 5 through a perforated curb 1 and is higher than the non-motor vehicle lane 5, a seepage and discharge pipe 12 is laid on the lower layer of the ecological tree pool, the seepage and discharge pipe 12 is communicated with a sewage interception and drainage well 10, the perforated curb 1 is a vertical curb, the elevation is higher than the road surfaces or the isolation belt on the two sides, and holes are formed at the positions close to the road surfaces; the pavement 7 is paved by water permeable bricks, and the arch cross slope is 1.0-2.0%; parking stall 8 is ecological grass planting check, is built into latticedly by the concrete prefabricated section, plants herbaceous plant in the check, and the lower floor has laid and has oozed the calandria, oozes calandria 12 and cuts dirty drain well 10 and pass through drain pipe 11 intercommunication.
The rainwater drainage is schematically shown in figure 1, and the drainage route is as follows:
rain water purification path for motor vehicle road
Rainwater on the motor way 3 flows through the permeable pavement through the perforated curb 1, a part of the rainwater flows into the central component isolation belt 2, is purified together with rainwater in the central component isolation belt through the sunken greenbelt/rainwater garden, and enters the sewage interception and drainage well 10 through the seepage and drainage pipe 12; the other part is purified by the non-motor vehicle isolation belt 4 and the biological retention belt together with the rainwater, enters the sewage interception and drainage well 10 through the seepage and drainage pipe 12 or directly enters the sewage interception and drainage well 10 through an overflow port.
Rainwater purification path for non-motor vehicle road
Rainwater on the non-motor vehicle lane 5 flows into the non-motor vehicle isolation belt 4 through the permeable pavement through the perforated kerb 1, and is purified together with the rainwater in the non-motor vehicle isolation belt through the biological retention belt and enters the sewage interception and drainage well 10 through the seepage and drainage pipe or directly enters the sewage interception and drainage well 10 through the overflow port; the other part flows into the sidewalk-non-motor vehicle lane isolation belt 6, is purified together with rainwater in the ecological tree pond, and enters the sewage interception and drainage well 10 through the seepage and drainage pipe 12.
Third, sidewalk rainwater purification approach
Rainwater on the sidewalk 7 flows into the sidewalk-non-motor vehicle lane isolation belt 6 through the perforated curbstone 1 by water permeable pavement, and the rainwater together with the rainwater is purified by the ecological tree pool and enters the sewage interception and drainage well 10 through the seepage and drainage pipe; the other part flows into the parking space 8, is purified together with rainwater through the ecological grass planting grids and enters the sewage interception and drainage well 10 through the seepage and drainage pipe 12.
Fourth, rainwater purification way for parking space
A part of rainwater in the parking space 8 flows into the sidewalk 7 to be paved in a permeable way, and the rainwater together with the rainwater is purified by the ecological tree pool and enters the sewage interception and drainage well 10 through the seepage and drainage pipe 12; the other part is purified by the ecological grass planting grids under the parking space 6 and enters the sewage interception and drainage well 10 together with rainwater through the seepage and drainage pipe 12.
All rainwater entering the sewage intercepting catch basin 10 is drained through a municipal rainwater pipeline after sewage intercepting and filtering, so that the rainwater is seeped, stagnated, stored, purified and drained in the whole road ecological system.
Claims (6)
1. A sponge urban road drainage system structure is characterized by comprising a central directional separation belt, a motor lane, a non-motor vehicle separation belt, a non-motor vehicle lane, a sidewalk-non-motor vehicle lane separation belt, a sidewalk and a parking space; the non-motor vehicle isolation belt is internally provided with a biological retention belt and a sewage interception drainage well, and the lower layer is provided with a seepage and drainage pipe which is communicated with the sewage interception drainage well; the central branch isolation belt is internally provided with sunken greenbelts or rainwater gardens and street trees planted at intervals, the surface layer is paved with cobblestone or volcanic rock inorganic covering to fix planting soil and plants, the lower layer is provided with a seepage and drainage pipe, and the seepage and drainage pipe is communicated with the sewage interception and drainage well; an ecological tree pool is arranged in the sidewalk-non-motor vehicle lane isolation belt, one side of the ecological tree pool is flush with the sidewalk, the other side of the ecological tree pool is connected with the non-motor vehicle lane through a perforated curb stone and is higher than the non-motor vehicle lane, and a seepage and drainage pipe is arranged on the lower layer and is communicated with the sewage interception and drainage well.
2. The sponge urban road drainage system structure of claim 1, wherein the hard pavement surface layer of the motor vehicle lane and the non-motor vehicle lane is paved by permeable asphalt concrete, and the arch cross slope is 1.0-1.5%.
3. The sponge urban road drainage system structure of claim 2, wherein the sewage interception drainage well is provided with an overflow port at the upper part and a sewage interception net at the inner part, and the sewage interception net is closely attached to the overflow port at the upper part of the sewage interception drainage well and droops to the middle lower part of the sewage interception drainage well; the water outlet of the seepage and drainage pipe is arranged in the sewage interception net; the sewage interception and drainage well is connected with a municipal rainwater pipeline, and the connecting port is positioned at the middle lower part of the sewage interception and drainage well and outside the sewage interception net.
4. The sponge urban road drainage system structure of claim 3, wherein the perforated curb is a vertical curb with elevation greater than that of the two sides or the isolation zone, and perforations are arranged close to the road surface.
5. The sponge urban road drainage system structure of claim 4, wherein the hard pavement layer of the sidewalk is paved by water permeable bricks, and the arch cross slope is 1.0% -2.0%.
6. The sponge urban road drainage system structure of claim 5, wherein the parking space is formed by paving ecological grass planting grids, the ecological grass planting grids comprise grid-shaped concrete prefabricated blocks, herbaceous plants are arranged in the grids, and the lower layer is provided with seepage and drainage pipes which are communicated with the sewage interception and drainage wells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382685.8U CN214362618U (en) | 2020-07-14 | 2020-07-14 | Sponge urban road drainage system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021382685.8U CN214362618U (en) | 2020-07-14 | 2020-07-14 | Sponge urban road drainage system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214362618U true CN214362618U (en) | 2021-10-08 |
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ID=77931884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021382685.8U Expired - Fee Related CN214362618U (en) | 2020-07-14 | 2020-07-14 | Sponge urban road drainage system structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214362618U (en) |
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2020
- 2020-07-14 CN CN202021382685.8U patent/CN214362618U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |