CN207620090U - A kind of slit type drainage ditch based on sponge city - Google Patents
A kind of slit type drainage ditch based on sponge city Download PDFInfo
- Publication number
- CN207620090U CN207620090U CN201721774921.9U CN201721774921U CN207620090U CN 207620090 U CN207620090 U CN 207620090U CN 201721774921 U CN201721774921 U CN 201721774921U CN 207620090 U CN207620090 U CN 207620090U
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- China
- Prior art keywords
- trench
- receiving portion
- sponge city
- drainage ditch
- slit type
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Abstract
The utility model is related to a kind of slit type drainage ditchs based on sponge city, it includes the trench of clearance type and the fixed support portion of trench, trench top is clearance type import, lower part is to collect receiving portion, the fixed support portion of trench includes the paved road of clearance type import both sides setting, below paved road, it collects receiving portion top both sides and cement sand bed is set, below cement sand bed, collect the plain cement layer of receiving portion on both sides of the middle setting, below plain cement layer, it collects receiving portion bottom periphery and concrete layer is set, stabilizing talent is set below concrete layer, roadbed is set below stabilizing talent.The utility model can not only cut down runoff, reduce instantaneous crest discharge, but also can be collected to rainwater, be of great significance in the less area of rainfall.
Description
Technical field
The utility model is related to a kind of slit type drainage ditchs based on sponge city.
Background technology
Sponge city, which refers to city, to be had adapting to environmental change and reply natural calamity etc. as sponge
Good " elasticity ", water suction, water storage, infiltration, water purification, the water stored when needing discharged and be used when raining.Sponge city
City's construction should follow the principles such as Ecology Precedence, and natural way is combined with artificial measures, ensure municipal drainage prevention waterlogging safety
Under the premise of, realize that rainwater in the accumulation, infiltration and purification of urban area, promotes the utilization and life of rainwater resource to the maximum extent
State environmental protection.In sponge Process of Urban Development, the systematicness of natural precipitation, surface water and groundwater should be planned as a whole, coordinate to
Each link of the water circulation uses such as water, draining, and consider its complexity and chronicity.
Current State-level is own to be put into effect《Sponge urban construction technical manual》, specify theory, the control mesh in sponge city
Mark and demand for development indicate that the Eco-friendly construction mode based on low influence development technique will be as future city
Developing direction.It is also less about the low influence exploitation in the residential area under sponge urban target at present.
Invention content
The problem of the utility model exists for the above-mentioned prior art makes improvement, i.e., skill to be solved in the utility model
Art problem is to provide a kind of slit type drainage ditch based on sponge city, can not only cut down runoff, reduces instantaneous crest discharge,
But also rainwater can be collected, it is of great significance in the less area of rainfall.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of clearance type based on sponge city
Gutter includes the trench of clearance type and the fixed support portion of trench, and trench top is clearance type import, and lower part is to collect to accommodate
Portion, the fixed support portion of trench include the paved road of clearance type import both sides setting, and paved road lower section is collected in receiving portion
Cement sand bed is arranged in portion both sides, below cement sand bed, collects the plain cement layer of receiving portion on both sides of the middle setting, under plain cement layer
Receiving portion bottom periphery setting concrete layer is collected by side, and stabilizing talent is arranged below concrete layer, road is arranged below stabilizing talent
Base.
Further, the bottom interior wall for collecting receiving portion is arcuation, and bottom outer wall is concavo-convex.
Further, trench material is resin concrete.
Further, clearance type entrance width is 15mm.
Further, for concrete layer relative to trench center line symmetrical setting, concrete layer top outer profile is inclined surface,
Lower part outer profile is made of vertical plane and horizontal plane.
Further, concrete layer is cast-in-place C30 concrete, and stabilizing talent is lime-flyash stabilization sand.
Compared with prior art, the utility model has the advantages that：Runoff is cut down, instantaneous crest discharge is reduced；
Rainwater is collected, is of great significance in the less area of rainfall；It beautifies the environment.
Description of the drawings
Fig. 1 is the slit type drainage ditch plan view of the utility model embodiment；
Fig. 2 is the slit type drainage ditch elevation of the utility model embodiment；
Fig. 3 is the slit type drainage ditch node enlarged drawing of the utility model embodiment.
In figure：1- paved roads, 2- cement sand beds, 3- element cement layers, 4- concrete layers, 5- stabilizing talents, 6- roadbeds,
7- trenches, 8- clearance type imports, 9- collect receiving portion.
Specific implementation mode
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
A kind of slit type drainage ditch based on sponge city includes the trench of clearance type and the fixed support portion of trench, trench
Top is clearance type import, and lower part is to collect receiving portion, and the fixed support portion of trench includes the paving of clearance type import both sides setting
Road surface is filled, receiving portion top both sides setting cement sand bed is collected in paved road lower section, and receiving is collected in cement sand bed lower section
The plain cement layer of portion on both sides of the middle setting below plain cement layer, collects receiving portion bottom periphery and is arranged concrete layer, under concrete layer
Roadbed is arranged in side's setting stabilizing talent, stabilizing talent lower section.
Further, the bottom interior wall for collecting receiving portion is arcuation, and bottom outer wall is concavo-convex.
Further, trench material is resin concrete.
Further, clearance type entrance width is 15mm.
Further, for concrete layer relative to trench center line symmetrical setting, concrete layer top outer profile is inclined surface,
Lower part outer profile is made of vertical plane and horizontal plane.
Further, concrete layer is cast-in-place C30 concrete, and stabilizing talent is lime-flyash stabilization sand.
Plain cement is spread on cement sand bed, roadbed rolls compacting, compacting factor>0.95.
Rainwater is flowed by clearance type import, is cut down runoff, is reduced instantaneous crest discharge；Rainwater, which flows into, collects receiving portion pair
Rainwater is collected, then carries out recycling to rainwater by water conservancy diversion, is of great significance in the less area of rainfall, above-mentioned knot
Structure is advantageously implemented accumulation, infiltration and purification of the rainwater in urban area.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (6)
1. a kind of slit type drainage ditch based on sponge city, it is characterised in that：The fixation of trench and trench including clearance type
Support portion, trench top are clearance type import, and lower part is to collect receiving portion, and the fixed support portion of trench includes clearance type import two
The paved road of side setting below paved road, collects receiving portion top both sides and is arranged cement sand bed, under cement sand bed
Receiving portion bottom periphery setting concrete is collected in side, the plain cement layer of collection receiving portion on both sides of the middle setting, plain cement layer lower section
Layer, concrete layer lower section are arranged stabilizing talent, roadbed are arranged below stabilizing talent.
2. the slit type drainage ditch according to claim 1 based on sponge city, it is characterised in that：Collect the bottom of receiving portion
Portion's inner wall is arcuation, and bottom outer wall is concavo-convex.
3. the slit type drainage ditch according to claim 1 based on sponge city, it is characterised in that：Trench material is resin
Concrete.
4. the slit type drainage ditch based on sponge city according to one of claim 1-3, it is characterised in that：Clearance type into
Mouth width degree is 15mm.
5. the slit type drainage ditch according to claim 1 based on sponge city, it is characterised in that：Concrete layer relative to
Trench center line symmetrical setting, concrete layer top outer profile are inclined surface, and lower part outer profile is made of vertical plane and horizontal plane.
6. the slit type drainage ditch based on sponge city according to one of claim 1-3 or described in 5, it is characterised in that：Coagulation
Soil layer is cast-in-place C30 concrete, and stabilizing talent is lime-flyash stabilization sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774921.9U CN207620090U (en) | 2017-12-19 | 2017-12-19 | A kind of slit type drainage ditch based on sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774921.9U CN207620090U (en) | 2017-12-19 | 2017-12-19 | A kind of slit type drainage ditch based on sponge city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207620090U true CN207620090U (en) | 2018-07-17 |
Family
ID=62819817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721774921.9U Expired - Fee Related CN207620090U (en) | 2017-12-19 | 2017-12-19 | A kind of slit type drainage ditch based on sponge city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207620090U (en) |
-
2017
- 2017-12-19 CN CN201721774921.9U patent/CN207620090U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20181219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |