CN207749378U - A kind of pavement structure in sponge city - Google Patents
A kind of pavement structure in sponge city Download PDFInfo
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- CN207749378U CN207749378U CN201820010297.3U CN201820010297U CN207749378U CN 207749378 U CN207749378 U CN 207749378U CN 201820010297 U CN201820010297 U CN 201820010297U CN 207749378 U CN207749378 U CN 207749378U
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- cistern
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- rainwater
- pavement structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The utility model is related to sponge urban construction fields, aim to solve the problem that the problem of rainwater penetrated under road surface does not make full use of, more particularly to a kind of pavement structure in sponge city, including roadbed, it is equipped with bed course above roadbed successively from the bottom to top, base and pervious asphalt layer positioned at road surfaces, cistern is equipped between the roadbed layer and bed course, overflow pipe is equipped at the top of the cistern, the cistern is connected to rain by overflow pipe and recycles pond, the cistern is with pervious asphalt layer vertically through equipped with several heat conductive rods, the heat conductive rod is uniformly arranged under road surface, the heat conductive rod is the high metal material of thermal coefficient.Rainwater flows into cistern after level filters, cistern can accumulator portion rainwater, the water stored is discharged and is used again when needing, so promoted urban ecological system function, the water of cistern spill-over flows into rainwater from overflow pipe and recycles pond, and pavement structure is made to keep the infiltration of stabilization, drainability.
Description
Technical field
The utility model is related to sponge urban construction fields, more specifically, it relates to a kind of road surface knot in sponge city
Structure.
Background technology
Sponge city is new generation of city storm water man- agement concept, refers to that city is adapting to environmental change and reply rainwater band
Natural calamity come etc. has good " elasticity ", also referred to as " water elasticity city ", water suction is played when rainy, is stored
Water, infiltration, water purification effect, the water stored discharge and is used again when needing, so promoted urban ecological system function with
Reduce the generation of Urban Flood Waterlogging.
Existing notification number provides a kind of sponge-type urban water-through bituminous paving for the Chinese patent of CN205653671U, by
It is respectively included under：Particulate formula pervious asphalt concrete upper layer, big gap pervious asphalt concrete cutting optimal, drainage type drip
Green metalling, graded broken stone layer, anti_permeability filter layer and roadbed.The utility model is by optimizing Pavement Structure Design, using multilayer
Porous pavement, upper layer voidage is smaller, prevents solid particle from entering permeable structure layer, while can ensure porous pavement pair
The smooth infiltration of rainwater has the characteristics that osmotic effect is good, it is relatively low to be laid with cost, can meet sponge city to asphalt paving
The high pavement performance requirement of seepage of water.
But above-mentioned technical proposal improves only the rapid infiltrated ability on road surface, and it is abundant not penetrate into the rainwater under road surface
It utilizes.
Utility model content
The purpose of this utility model is to provide a kind of pavement structure in sponge city, has to make full use of and penetrate into road surface
Rainwater effect.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of road in sponge city
Face structure, including roadbed, roadbed top are equipped with bed course, base and the pervious asphalt layer positioned at road surfaces, institute successively from the bottom to top
It states and is equipped with cistern between roadbed layer and bed course, be equipped with overflow pipe at the top of the cistern, the cistern is connected to by overflow pipe
Rain recycles pond, and the cistern with pervious asphalt layer vertically through several heat conductive rods are equipped with, uniformly arrange by the heat conductive rod
It is distributed under road surface, the heat conductive rod is the high metal material of thermal coefficient.
By using above-mentioned technical proposal, rainwater flows into cistern after level filters, cistern can accumulator portion rainwater,
The water stored is discharged and is used again when needing, and then promotes urban ecological system function, the water of cistern spill-over is from overflowing
Flow tube flows into rainwater and recycles pond, and pavement structure is made to keep the infiltration of stabilization, drainability.
Further, the heat conductive rod is filled with sans serif along it axially through cavity is provided in the cavity.
By using above-mentioned technical proposal, sans serif utilizes capillarity, in summer high temperature, accelerates accumulation in cistern
Rainwater be sent to road surface, road surface moisture evaporation reduces road surfaces temperature.
Further, the heat conductive rod is provided with several through-holes communicated with cavity along its peripheral wall array.
By using above-mentioned technical proposal, moisture can be transferred to each structure sheaf by sans serif by through-hole, be further speeded up
The conveying of moisture.
Further, the pervious asphalt layer includes positioned at the particulate pervious asphalt layer on upper layer and saturating positioned at the coarse grain of lower layer
Bituminous grout layer.
By using above-mentioned technical proposal, upper layer particulate pervious asphalt layer aperture is smaller, effectively prevent major diameter tamper
Pervious asphalt layer is blocked, lower layer's coarse grain pervious asphalt layer seepage of water is good, to ensure that pervious asphalt layer is realized to the smooth of rainwater
Infiltration keeps the permeable effect in road surface, extends the service life on road surface.
Further, purifying layer is equipped between the cistern and bed course.
By using above-mentioned technical proposal, purifying layer may filter that the impurity for adsorbing and being carried secretly in the rainwater for flowing into purifying layer, make
The water that cistern must be flowed into keeps clean.
Further, the purifying layer is set gradually from top to bottom as haydite layer, active carbon layer and medical stone layer.
By using above-mentioned technical proposal, each layer fully adsorbs the impurity in rainwater, and flows into the water in cistern
Rich in minerals, the water in pond is recycled to be suitable for plant irrigation hence into rainwater.
Further, the rainwater recycles the depth in pond to be deeper than the cistern, and the rainwater recycles to be equipped in pond
Towards the drinking-water pipe on ground.
By using above-mentioned technical proposal, rainwater recycles the depth in pond to be deeper than cistern, thus in cistern excessively
Water can flow into rainwater and recycle pond, rainwater that the drinking-water pipe being connected in pond towards ground, drinking-water pipe is recycled to recycle rainwater
For irrigating vegetation after water extraction in pond, and extra rainwater can be drained into municipal underground pipe network.
Further, counnter attack infiltration layer is equipped between the columns base and roadbed.
By using above-mentioned technical proposal, counnter attack infiltration layer effectively prevent the moisture below roadbed to penetrate into cistern, avoids
There is the ponding muddiness in cistern, the situation more than impurity.
In conclusion the utility model has the advantages that：
1. by being provided with cistern on roadbed, be followed successively by from the bottom to top above cistern purifying layer, bed course, base and
Pervious asphalt layer, rainwater flow into cistern after level filters, cistern can accumulator portion rainwater, the water that will be stored again when needing
It discharges and is used, and then promote urban ecological system function；
2. by the way that in cistern and the permeable interlayer of pitch, through several heat conductive rods are vertically arranged with, heat conductive rod is uniformly arranged in
Under road surface, heat conductive rod is made of the metal material of thermal coefficient height, and heat conductive rod accelerates the heat between road crust and roadbed
It transmits, effectively reduces the temperature on summer road surface.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the partial structural diagram of the present embodiment；
Fig. 3 is the structural schematic diagram of the heat conductive rod of the present embodiment.
In figure：1, roadbed；11, counnter attack infiltration layer；2, cistern；21, overflow pipe；22, rainwater recycles pond；23, drinking-water pipe；
3, purifying layer；31, haydite layer；32, active carbon layer；33, medical stone layer；4, bed course；5, base；6, pervious asphalt layer；61, particulate
Pervious asphalt layer；62, coarse grain pervious asphalt layer；7, heat conductive rod；71, sans serif；72, through-hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：
A kind of pavement structure in sponge city, as shown in Figure 1, including the roadbed 1 positioned at bottommost, roadbed 1 is to shakeout rammer
Real plain soil layer.As depicted in figs. 1 and 2, cistern 2 is provided on roadbed 1,2 top of cistern is followed successively by purification from the bottom to top
Layer 3, bed course 4, base 5 and pervious asphalt layer 6.Rainwater flows into cistern 2 after level filters, and cistern 2 can accumulator portion rain
The water stored is discharged and is used again when needing by water, and then promotes urban ecological system function.2 top of cistern is provided with
Overflow pipe 21, cistern 2 is connected to rain by overflow pipe 21 and recycles pond 22, excessively sufficient to work as rainwater, 2 spill-over of cistern
Water flows into rainwater from overflow pipe 21 and recycles pond 22, and the pavement structure of the utility model is made to keep the infiltration of stabilization, drainability.
Rainwater recycles the depth in pond 22 to be deeper than cistern 2, and rainwater recycles the volume in pond 22 is larger to store more rainwater, rain
Water is used after recycling the drinking-water pipe 23 being connected in pond 22 towards ground, drinking-water pipe 23 to recycle the water in pond 22 to extract out rainwater
In irrigation vegetation, and extra rainwater can be drained into municipal underground pipe network.In addition, when summer ground arid, gather in cistern 2
The upward evaporation and transpiration of rainwater of collection achievees the effect that ground cools down.
As shown in Fig. 2, pervious asphalt layer 6 is located at road crust comprising be located at 61 He of particulate pervious asphalt layer on upper layer
Positioned at the coarse grain pervious asphalt layer 62 of lower layer, particulate pervious asphalt layer 61 uses maximum particle diameter 4mm or 8mm, coarse grain pervious asphalt
Layer 62 uses maximum particle diameter 11mm or 16mm, and voidage is more than 20% after materials at two layers compacting.Due to upper layer particulate pervious asphalt
61 aperture of layer are smaller, and major diameter tamper is effectively prevent to block pervious asphalt layer 6,62 seepage of water of lower layer's coarse grain pervious asphalt layer
It is good, to ensure that pervious asphalt layer 6 realizes the smooth infiltration to rainwater, the permeable effect in road surface is kept, the use on road surface is extended
Service life.
As shown in Fig. 2, bed course 4 can be laid with by building waste and graded broken stone, with good water penetration, and
Intensity height, stability are good under rich water geological conditions, disclosure satisfy that foundation bearing capacity requirement, ring can be played using building waste layer
The effect of guarantor, accomplishes waste utilization.
As shown in Fig. 2, base 5 is paved with cement, water and modifying agent mix without rolling and shape with equal grain sizes coarse aggregate
At the skeleton structure of macroporosity, porosity reaches 20%-35%, its own freezing and thawing performance is good, meets water and is not plasticized.
As shown in Fig. 2, purifying layer 3 from top to bottom sets gradually as haydite layer 31, active carbon layer 32 and medical stone layer 33.Pottery
31 epigranular of granulosa, intensity is high, and the more micropores in surface should not be hardened, has certain suction-operated, to flowing through haydite layer
31 water plays the role of good Physical entrapment.Active carbon layer 32 is to the inorganic or organic substance and colloidal solid etc. in solution
There is good adsorption capacity, can further purify the rainwater for flowing into cistern 2.33 adsorption capacity of medical stone layer is strong, and solvable
Go out minerals, during further purifying rainwater so that the water quality in cistern 2 is rich in minerals, hence into rainwater
The water in pond 22 is recycled to be suitable for plant irrigation.
As shown in Fig. 2, wintry weather is cold, pavement temperature is low, easily freezes；Summer hot weather, pavement temperature is high, needs
Watering cooling, sub-surface temperature remain steady, can balance road surface skin temperature, but each structure sheaf poor thermal conductivity in road surface.
Cistern 2 is with the permeable interlayer of pitch through several heat conductive rods 7 are vertically arranged with, and heat conductive rod 7 is uniformly arranged under road surface, heat conductive rod
7 are made of the metal material of thermal coefficient height, and heat conductive rod 7 accelerates the heat transfer between road crust and roadbed 1, effectively drops
The temperature on low summer road surface, and slow down the situation that winter road surface easily freezes.And heat conductive rod 7 is evenly distributed under road surface, to a certain degree
On improve the anti-pressure ability on road surface.
As shown in Figures 2 and 3, in heat conductive rod 7 along it axially through cavity is provided with, be filled with sans serif 71, lamp in cavity
Core 71 utilizes capillarity, and in summer high temperature, the rainwater for accelerating to gather in cistern 2 is sent to road surface, and road surface moisture steams
Hair reduces road surfaces temperature.Heat conductive rod 7 is provided with several through-holes 72 communicated with cavity along its peripheral wall array, and sans serif 71 can lead to
It crosses through-hole 72 and moisture is transferred to each structure sheaf, further speed up the conveying of moisture.
As shown in Fig. 2, cistern 2 is made of pervious concrete, to which cistern 2 has higher-strength, road surface is born
Pressure, and moisture can penetrate in cistern 2.Counnter attack infiltration layer 11 is equipped between 2 bottom of cistern and roadbed 1, counnter attack infiltration layer 11 has
Effect prevents the moisture of 1 lower section of roadbed from penetrating into cistern 2, avoids the occurrence of the ponding muddiness in cistern 2, the situation more than impurity.
Waterproof roll laying can be selected in counnter attack infiltration layer 11.
The course of work：The rainwater on road surface flows into cistern after pervious asphalt layer 6, base 5, bed course 4 and purifying layer 3 successively
2, the interior water impurity through multiple filtration of cistern 2 is few, and is rich in minerals, and extra water is flowed into through overflow pipe 21 in cistern 2
Rainwater recycles in pond 22, and rainwater recycles the drinking-water pipe 23 being connected in pond 22 towards ground, drinking-water pipe 23 that rainwater is sharp again
For irrigating vegetation after being extracted out with the water in pond 22, and extra rainwater can be drained into municipal underground pipe network；When summer ground
When high temperature drying, heat conductive rod 7 accelerates the heat transfer between road crust and roadbed 1, effectively reduces the temperature on summer road surface, and leads
Sans serif 71 in 7 cavity of hot pin utilizes capillarity, and the rainwater for accelerating to gather in cistern 2 is sent to road surface, road surface moisture
Evaporation reduces road surfaces temperature.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of pavement structure in sponge city, including roadbed（1）, roadbed（1）Top is equipped with bed course successively from the bottom to top（4）、
Base（5）With the pervious asphalt layer positioned at road surfaces（6）, it is characterised in that：The roadbed（1）Layer and bed course（4）Between be equipped with store
Pond（2）, the cistern（2）Top is equipped with overflow pipe（21）, the cistern（2）Pass through overflow pipe（21）It is connected to rain
Recycle pond（22）, the cistern（2）With pervious asphalt layer（6）It is vertical to run through equipped with several heat conductive rods（7）, the heat conductive rod
（7）It is uniformly arranged under road surface, the heat conductive rod（7）For the high metal material of thermal coefficient.
2. a kind of pavement structure in sponge city according to claim 1, it is characterised in that：The heat conductive rod（7）Along it
Axially through cavity is provided with, sans serif is filled in the cavity（71）.
3. a kind of pavement structure in sponge city according to claim 2, it is characterised in that：The heat conductive rod（7）Along it
Peripheral wall array is provided with several through-holes communicated with cavity（72）.
4. a kind of pavement structure in sponge city according to any one of claim 1 to 3, it is characterised in that：It is described
Bituminous grout layer（6）It include the particulate pervious asphalt layer positioned at upper layer（61）With the coarse grain pervious asphalt layer positioned at lower layer（62）.
5. a kind of pavement structure in sponge city according to claim 4, it is characterised in that：The cistern（2）With pad
Layer（4）Between be equipped with purifying layer（3）.
6. a kind of pavement structure in sponge city according to claim 5, it is characterised in that：The purifying layer（3）From upper
It is set gradually under as haydite layer（31）, active carbon layer（32）With medical stone layer（33）.
7. a kind of pavement structure in sponge city according to claim 6, it is characterised in that：The rainwater recycles pond
（22）Depth be deeper than the cistern（2）, rainwater recycling pond（22）The interior drinking-water pipe being equipped with towards ground（23）.
8. a kind of pavement structure in sponge city according to claim 7, it is characterised in that：The cistern（2）Bottom
With roadbed（1）Between be equipped with counnter attack infiltration layer（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010297.3U CN207749378U (en) | 2018-01-03 | 2018-01-03 | A kind of pavement structure in sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010297.3U CN207749378U (en) | 2018-01-03 | 2018-01-03 | A kind of pavement structure in sponge city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207749378U true CN207749378U (en) | 2018-08-21 |
Family
ID=63152122
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820010297.3U Active CN207749378U (en) | 2018-01-03 | 2018-01-03 | A kind of pavement structure in sponge city |
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| CN (1) | CN207749378U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137668A (en) * | 2018-09-30 | 2019-01-04 | 广东中林建筑园林工程有限公司 | Town road structure and construction method |
| CN110453561A (en) * | 2019-08-14 | 2019-11-15 | 南京林业大学 | Method of the thermal resistance to improve interlaminar bonding performance between reduction asphalt pavement structural layer |
| CN111980139A (en) * | 2020-08-31 | 2020-11-24 | 中海外交通建设有限公司 | A intelligent rainwater regulation system for municipal works |
| CN112176814A (en) * | 2020-10-12 | 2021-01-05 | 西藏大学 | Water accumulation preventing plateau asphalt highway and construction method |
| CN113073512A (en) * | 2021-04-07 | 2021-07-06 | 无锡市鸣腾建设工程股份有限公司 | Pavement structure capable of permeating water, storing water and draining water |
| CN114086445A (en) * | 2021-11-22 | 2022-02-25 | 高扬 | Road drainage device for preventing blockage in sponge city |
| CN114318999A (en) * | 2022-01-19 | 2022-04-12 | 义乌浩盛新材料有限公司 | Energy-saving bituminous pavement |
-
2018
- 2018-01-03 CN CN201820010297.3U patent/CN207749378U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137668A (en) * | 2018-09-30 | 2019-01-04 | 广东中林建筑园林工程有限公司 | Town road structure and construction method |
| CN110453561A (en) * | 2019-08-14 | 2019-11-15 | 南京林业大学 | Method of the thermal resistance to improve interlaminar bonding performance between reduction asphalt pavement structural layer |
| CN111980139A (en) * | 2020-08-31 | 2020-11-24 | 中海外交通建设有限公司 | A intelligent rainwater regulation system for municipal works |
| CN112176814A (en) * | 2020-10-12 | 2021-01-05 | 西藏大学 | Water accumulation preventing plateau asphalt highway and construction method |
| CN113073512A (en) * | 2021-04-07 | 2021-07-06 | 无锡市鸣腾建设工程股份有限公司 | Pavement structure capable of permeating water, storing water and draining water |
| CN114086445A (en) * | 2021-11-22 | 2022-02-25 | 高扬 | Road drainage device for preventing blockage in sponge city |
| CN114318999A (en) * | 2022-01-19 | 2022-04-12 | 义乌浩盛新材料有限公司 | Energy-saving bituminous pavement |
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