CN208136657U - A kind of pavement structure for sponge urban construction - Google Patents
A kind of pavement structure for sponge urban construction Download PDFInfo
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- CN208136657U CN208136657U CN201820325179.1U CN201820325179U CN208136657U CN 208136657 U CN208136657 U CN 208136657U CN 201820325179 U CN201820325179 U CN 201820325179U CN 208136657 U CN208136657 U CN 208136657U
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Abstract
The utility model belongs to technical field of road engineering more particularly to a kind of pavement structure for sponge urban construction.The pavement structure is successively arranged roadbed, composite layer, the adhesive layer with water seepage function, the surface layer being made of water permeability asphalt mixture from bottom upwards, pavement structure two sides are respectively provided with a underdrain, underdrain is between the roadbed and adhesive layer, and bottom extends to inside roadbed, top is covered with the cover board with water seepage function, and cover board is located at below the adhesive layer and fits with adhesive layer；Composite layer is arranged between two underdrains, and composite layer includes going to a grassroots level and upper base, and underdrain is equipped with multiple drainage holes；The thickness of surface layer and composite layer ratio is 9~13：31~50.The pavement structure can not only reduce surface gathered water, further ensure traffic safety, and can also mitigate the burden of municipal drainage facility when rainfall is larger, have important economic benefit and application and popularization value in the road construction in novel sponge city.
Description
Technical field
The utility model belongs to technical field of road engineering more particularly to a kind of road surface for sponge urban construction is tied
Structure.
Background technique
In urban construction, many car lanes, non-motorized lane, pavement and park etc. tend to mixed using pitch
The impermeable materials such as solidifying soil, cement concrete, stone slab or cement azulejo are mated formation, so as to form closing earth's surface.Closing
Although earth's surface can improve traffic, condition of road surface and beautify the environment, also urban ecology and climatic environment are generated significantly not
Benefit influences.
Waterproof pavement caused by closing earth's surface not only lacks the regulating power to surface temperature, humidity, but also the rain way of escape
Face moisture rapid evaporation, air humidity is big, makes one to feel sultry hard to bear, then again abnormal dry, to generate on meteorology
City " tropical island effect ".This point especially violates the construction theory in sponge city.Sponge city is new generation of city storm water man- agement
Concept refers to that city has good " elasticity " in terms of adapting to environmental change and reply rainwater bring, i.e.,
It is good to rainwater to adapt to and mediate ability.International term is " storm-water system building is developed in low influence ".Absorb water when raining,
Water storage, infiltration, water purification by the water stored " release " and are used when needing.
For the development for adapting to sponge city, reasonable permeable pavement structure is designed, it is made effectively to drain surface gathered water, increase
Traffic safety, while improving the ecology and climatic environment in sponge city is sponge urban road construction with one of development it is great
Trend and technical problem urgently to be resolved.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of pavement structure for sponge urban construction,
It is successively arranged from bottom roadbed upwards, composite layer, the adhesive layer with water seepage function, is made of water permeability asphalt mixture
Surface layer, the pavement structure two sides are respectively provided with a underdrain, and the underdrain is between the roadbed and adhesive layer, and bottom is prolonged
Extend to inside roadbed, top is covered with the cover board with water seepage function, the cover board be located at below the adhesive layer and with bonding
Layer fits；The composite layer is arranged between two underdrains, the composite layer include set gradually from bottom to top it is waterproof
Go to a grassroots level and the upper base with water seepage function, the underdrain are equipped with multiple for making on the side wall to connect with upper base
Water in base flows into the drainage hole in underdrain；The thickness of the surface layer and composite layer ratio is 9~13:31~50.
Pavement structure described in the utility model, surface layer, adhesive layer, upper base all have pervious function, and have both
Airway dysfunction, thus rainwater can be made quickly to penetrate under road surface；It is waterproof due to going to a grassroots level, thus the water for penetrating into upper base can pass through row
Water hole enters underdrain, and then road surface is discharged；The pavement structure can not only reduce surface gathered water, further ensure driving peace
Entirely, and when rainfall is larger it can also mitigate the burden of municipal drainage facility.Meanwhile the utility model is by surface layer and compound
The thickness ratio of layer is set as 9~13:31~50, it not only can satisfy the carrying needs of urban road surfaces, but also preferably save
About consumptive material, saves the construction cost of sponge urban road, this point is particularly important in the construction in novel sponge city.
Pavement structure described in the utility model, the surface layer are described from bottom to top successively including cutting optimal and upper layer
The thickness of upper layer and cutting optimal ratio is 3~5：6~8.Wherein, the cutting optimal with a thickness of 6~8cm；And/or it is described on
Surface layer with a thickness of 3~5cm.
Further, the voidage of the cutting optimal is 18%~25%, and infiltration coefficient is greater than 3600ml/min, preferably
3800~6000ml/min；And/or the voidage of the upper layer is 17%~23%, infiltration coefficient is greater than 3600ml/min,
Preferably 3800~5620ml/min.
Pavement structure described in utility model, the upper base and is additionally provided with waterproof layer between going to a grassroots level.
Wherein, upper base, waterproof layer and the thickness ratio gone to a grassroots level are 15~30：0.1~0.5：16~20.
Further, the upper groundwork thickness is 15~30cm；And/or the waterproofing layer thickness is 1~5mm；And/or
It is described to go to a grassroots level with a thickness of 16~20cm.
Further, the upper base is made of macropores cement-stabilized crushed stone, and voidage is 15%~23%；With/
Or, described go to a grassroots level is made of compact-type cement stabilized macadam；And/or the waterproof layer is by SBS modified pitch, rubber asphalt
Or any one of waterproof roll is constituted.
Pavement structure described in utility model, the adhesive layer are made of modified emulsifying asphalt, and the modified emulsifying asphalt
Spread quantity be 0.3kg/m2±0.05kg/m2~0.6kg/m2±0.05kg/m2。
Pavement structure described in utility model, the aperture of the drainage hole are 8~12cm；And/or the drainage hole along
Road surface trend is uniformly distributed, and walking upward adjacent drainage channel hole horizontal distance on the road surface is 20~32cm, preferably 28~
30cm。
The above-mentioned technical proposal of the utility model has the advantages that：
1, the advantages that the utility model not only has plain asphalt road surface running vehicle comfortable, and maintenance is easy, and intensity is high, also has
Permeable, ventilative feature, can make rainwater rapidly penetrate into road surface, pavement skid resistance ability is obviously improved, and traffic safety is protected.
The draining that city is alleviated in rainy season is born.
2, the structural relation of each level and thickness or thickness ratio rationally set in the utility model road pavement structure
Set, meet urban road surfaces carrying need while, preferably saved consumptive material, saved the construction of sponge urban road
Cost has important economic benefit and application and popularization value in the construction in novel sponge city.
Detailed description of the invention
Fig. 1 is the pavement structure schematic diagram of the utility model embodiment；
Fig. 2 is the pavement structure hierarchical diagram of the utility model embodiment；
Wherein, 1, upper layer；2, cutting optimal；3, adhesive layer；4, upper base；5, waterproof layer；6, it goes to a grassroots level；7, roadbed；8,
Cover board；9, drainage hole；10, underdrain.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
As illustrated in fig. 1 and 2, the utility model described in the present embodiment provides a kind of road surface for sponge urban construction
Structure is successively arranged roadbed 7 upwards from bottom, adhesive layer 3 with water seepage function, is made of water permeability asphalt mixture
Surface layer；Both sides of the road are respectively provided with a underdrain 10, and the underdrain 10 is between the roadbed 7 and adhesive layer 3, and bottom extends
To roadbed 7, top is covered with the cover board 8 with water seepage function, and the water in the surface layer can penetrate into underdrain 10 by cover board 8
It is interior；The cover board 8 is located at 3 lower section of adhesive layer and fits with adhesive layer 3；The adhesive layer 3 is emulsified by modified rubber and is dripped
Blueness is constituted, and the modified rubber emulsified asphalt spread quantity is 0.5kg/m2。
Composite layer is equipped between the roadbed 7 and adhesive layer 3, the composite layer is arranged between two underdrains 10, described
Composite layer includes fluid-tight go to a grassroots level 6 and the upper base 4 with water seepage function set gradually from bottom to top, the underdrain 10
At least multiple drainage holes 9 are equipped on the side wall to connect with upper base 4, the water in the upper base 4 can be flowed through the drainage hole 9
Enter in underdrain 10.
It the upper base 4 and goes to a grassroots level and is additionally provided with waterproof layer 5 between 6；The upper base 4 is with a thickness of 20cm, and by 5% water
Cement-stabilizing broken stone is constituted, and porosity is 20%；It is described to go to a grassroots level 6 with a thickness of 18cm, and be made of 4% cement stabilized macadam；
The waterproof layer 5 is made of with a thickness of 3mm SBS modified pitch.
The surface layer successively includes cutting optimal 2 and upper layer 1 from bottom to top；Wherein, the cutting optimal 2 is by water permeability asphalt
Mixture PAC-20 is laid with, with a thickness of 8cm, voidage 23%, infiltration coefficient 5940ml/min；The upper layer 1 is by saturating
Soluble asphalt mixture PAC-13 is laid with, with a thickness of 4cm, voidage 21%, infiltration coefficient 5620ml/min.
The aperture of the drainage hole 9 is 10cm, and the drainage hole 9 is uniformly distributed along trend of road, and in the road
Walking upward 9 horizontal distance of adjacent drainage channel hole is 30cm.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of pavement structure for sponge urban construction, which is characterized in that be successively arranged roadbed, compound upwards from bottom
Layer, the adhesive layer with water seepage function, the surface layer being made of water permeability asphalt mixture, the pavement structure two sides are respectively provided with one
Underdrain, the underdrain is between the roadbed and adhesive layer, and bottom extends to inside roadbed, and top, which is covered with to have, seeps
The cover board of water function, the cover board are located at below the adhesive layer and fit with adhesive layer；
The composite layer is arranged between two underdrains, and the composite layer includes the fluid-tight lower base set gradually from bottom to top
Layer and the upper base with water seepage function, the underdrain are equipped with multiple in Shi Shang base on the side wall to connect with upper base
Water flow into underdrain in drainage hole；
The thickness of the surface layer and composite layer ratio is 9~13:31~50.
2. pavement structure according to claim 1, which is characterized in that the surface layer from bottom to top successively include cutting optimal and
The thickness ratio of upper layer, the upper layer and cutting optimal is 3~5：6~8.
3. pavement structure according to claim 2, which is characterized in that the cutting optimal with a thickness of 6~8cm；And/or
The upper layer with a thickness of 3~5cm.
4. pavement structure according to claim 2, which is characterized in that the voidage of the cutting optimal is 18%~25%,
Infiltration coefficient is greater than 3600ml/min；And/or the voidage of the upper layer is 17%~23%, infiltration coefficient is greater than
3600ml/min。
5. pavement structure according to any one of claims 1 to 4, which is characterized in that the upper base and between going to a grassroots level
It is additionally provided with waterproof layer.
6. pavement structure according to claim 5, which is characterized in that upper base, waterproof layer and the thickness ratio gone to a grassroots level are
15~30：0.1~0.5：16~20.
7. pavement structure according to claim 6, which is characterized in that the upper groundwork thickness is 15~30cm；And/or
The waterproofing layer thickness is 1~5mm；And/or it described goes to a grassroots level with a thickness of 16~20cm.
8. pavement structure according to claim 5, which is characterized in that the upper base is by macropores cement-stabilized crushed stone structure
At, and voidage is 15%~23%；
And/or described go to a grassroots level is made of compact-type cement stabilized macadam；
And/or the waterproof layer is made of any one of SBS modified pitch, rubber asphalt or waterproof roll.
9. according to claim 1~4,6~8 described in any item pavement structures, which is characterized in that the adhesive layer is by modified milk
Change pitch to constitute, and the spread quantity of the modified emulsifying asphalt is 0.3kg/m2±0.05kg/m2~0.6kg/m2±0.05kg/
m2。
10. according to claim 1~4,6~8 described in any item pavement structures, which is characterized in that the aperture of the drainage hole
For 8~12cm；And/or the drainage hole is uniformly distributed along road surface trend, and walks upward adjacent drainage channel hole water on the road surface
Flat distance is 20~32cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325179.1U CN208136657U (en) | 2018-03-09 | 2018-03-09 | A kind of pavement structure for sponge urban construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325179.1U CN208136657U (en) | 2018-03-09 | 2018-03-09 | A kind of pavement structure for sponge urban construction |
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| CN208136657U true CN208136657U (en) | 2018-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853320A (en) * | 2019-03-21 | 2019-06-07 | 邯郸市交通运输局公路勘察设计院 | A kind of antiskid type asphalt pavement structure and construction method |
-
2018
- 2018-03-09 CN CN201820325179.1U patent/CN208136657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853320A (en) * | 2019-03-21 | 2019-06-07 | 邯郸市交通运输局公路勘察设计院 | A kind of antiskid type asphalt pavement structure and construction method |
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