CN203890829U - Drainage facility of porous asphalt pavement - Google Patents

Drainage facility of porous asphalt pavement Download PDF

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Publication number
CN203890829U
CN203890829U CN201420215018.9U CN201420215018U CN203890829U CN 203890829 U CN203890829 U CN 203890829U CN 201420215018 U CN201420215018 U CN 201420215018U CN 203890829 U CN203890829 U CN 203890829U
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CN
China
Prior art keywords
layer
drainage
asphalt pavement
porous asphalt
drainage pipeline
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420215018.9U
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Chinese (zh)
Inventor
肖晶晶
沙爱民
蒋玮
王振军
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Changan University
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Changan University
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Publication date
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Priority to CN201420215018.9U priority Critical patent/CN203890829U/en
Application granted granted Critical
Publication of CN203890829U publication Critical patent/CN203890829U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a drainage facility of a porous asphalt pavement. The drainage facility comprises a pavement layer, a middle layer and a base layer, wherein pervious layers are arranged at the two sides of the middle layer in the road direction and located under the pavement layer; a longitudinal drainage pipeline is arranged in each pervious layer, a plurality of through holes are formed in the longitudinal drainage pipeline, and pavement surface water permeates into the pervious layer via the pavement layer and then enters into the longitudinal drainage pipeline via the through holes so as to be drained. The drainage facility of the porous asphalt pavement has the advantages that the roadside drainage pipes and a graded broken stone material are adopted instead of gutters, the construction process is relatively simple, the diameter of the laid drainage pipes and the porosity of the graded broken stone are adjusted to meet the drainage requirements in different regions and at different rainfall capacities, and the drainage function of the drainage facility is highly targeted.

Description

A kind of drainage of porous asphalt pavement
Technical field
The utility model relates to a kind of surface drainage design, is specifically related to a kind of porous asphalt pavement Water drainage system design.
Background technology
Porous asphalt pavement is to be the road surface that 18%~25% bituminous mixture making forms by void content, and during rainfall, rainwater drop to behind road surface, can enter road surface internal voids, and Er Buhui road table forms ponding, therefore has plurality of advantages.
For example: road surface is without ponding when the rainy day for porous asphalt pavement, and can guarantee has good adhesive power between tire and road surface, has greatly improved the cling property on road surface, and anti-sealing floats the generation of accident; Can reduce rear view of vehicle and dabble and spray, improve driving condition, improve the visibility of rainy day driving simultaneously; Can reduce the peak flood flow of heavy rain time channel table, alleviate urban sewerage and drainage system pressure.
The rainwater entering in porous asphalt pavement internal voids finally need to be discharged road structure by drainage system, flows into drainage system, therefore needs the drainage system of this road structure of system.Current porous asphalt pavement in the application of urban road still in the research and probe stage, in < < asphalt paving tecnical regulations > > CJJ/T190-2012, introduced the drainage of several porous asphalt pavements, wherein a kind of is, by establish the mode in gutter in roadside, surface water is entered to underground sewage system, another kind is by establish the form of water-permeable cement concrete at supercrust side, and road surface surface water is infiltrated in the greenery patches of side through supercrust, water-permeable cement concrete.
But due to the difference of category of roads and actual conditions, may there is difference in the layout of drainage system and design, needs multiple Water drainage system design to meet the requirement of different categories of roads, road structure and road surrounding enviroment.
Summary of the invention
For defect or the deficiency of prior art, the purpose of this utility model is to provide a kind of drainage of novel porous asphalt pavement.
For this reason, the drainage of the porous asphalt pavement that the utility model provides comprises supercrust, intermediate layer and basic unit, and along road direction, both sides, intermediate layer are provided with pervious layer, and pervious layer is positioned at supercrust below; In described pervious layer, be provided with longitudinal drainage pipeline, on described longitudinal drainage pipeline, offer some through holes, road surface surface water enters longitudinal drainage pipeline through supercrust infiltration pervious layer by through hole and is discharged from.
Preferably, the porosity of described pervious layer is 25%~45%.
Preferably, the width of described pervious layer is 15cm-25cm.
Preferably, between described supercrust and intermediate layer, be provided with every infiltration layer.
Preferably, between described intermediate layer and pervious layer, be provided with every infiltration layer.
Preferably, between described pervious layer and described basic unit, be provided with every infiltration layer.
Preferably, described pavement drainage facility comprises transverse drainage pipeline, and this transverse drainage pipeline and described longitudinal drainage pipeline communication are entered longitudinal drainage pipeline by draining and be discharged from by transverse drainage pipeline.
Preferably, on described longitudinal drainage pipeline, the gross area of through hole is greater than 80cm 2/ linear meter(lin.m.).
Compared with prior art, the utility model has the advantage of:
The drainage of porous asphalt pavement of the present utility model has adopted roadside drainage pipe and graded broken stone material to replace gutter, construction technology is relatively simple, the gutter caliber of laying by adjustment and the void content of graded broken stone can meet the drainage requirement of different regions and different amount of precipitations, and its drain function has more specific aim.
Accompanying drawing explanation
Fig. 1 is the drainage structural representation of porous asphalt pavement of the present utility model;
Each coded representation in figure: 1-supercrust, 2-intermediate layer, 3-basic unit, 4-pervious layer, 5-longitudinal drainage pipeline, 6-are every infiltration layer, 7-transverse drainage pipeline.
The specific embodiment
The drainage of porous asphalt pavement of the present utility model comprises supercrust, intermediate layer and basic unit, and along road direction, both sides, intermediate layer are laid pervious layer and laid longitudinal drainage pipeline.The inserts of pervious layer is generally open gradation rubble material, and inserts void content is 25%~45% left and right, and the maximum particle diameter of inserts is no more than 40mm, and the fine material content that the fine material content below 4.75mm is no more than below 16%, 2.36mm should not surpass 6%.
Supercrust of the present utility model is porous asphalt pavement layer, and it has certain porosity, is beneficial under surface water and oozes.
Longitudinal drainage pipeline described in the utility model refers to the pipeline of laying along road direction, and the centre that longitudinal drainage pipe is laid on pervious layer is position on the lower, offers a plurality of through holes on it on the sidewall not contacting with bottom surface, and its opening gross area should be greater than 80cm 2/ linear meter(lin.m.), makes the surface water that infiltrates pervious layer enter longitudinal drainage pipeline.By longitudinal drainage pipeline, enter transverse drainage pipeline water is introduced into underdrainage pipe network system.
Geotextiles or other water proof materials that can select Double-layer asphalt every infiltration layer of the present utility model.
Longitudinal drainage pipeline of the present utility model and transverse drainage pipeline are optional with polyvinyl chloride or vinyl tube, and diameter is 70~150mm.
Below the specific embodiment that inventor provides, so that the technical solution of the utility model is further explained to explanation.
embodiment:
As shown in Figure 1, the drainage of the porous asphalt pavement of this embodiment comprises supercrust 1, intermediate layer 2 and basic unit 3, and along road direction, 2 both sides, intermediate layer respectively reserve the wide part of about 15-25cm and lay pervious layer 4 and lay longitudinal drainage pipeline 5.
The porous asphalt pavement that supercrust 1 making void content is 20%, intermediate layer 2 is conventional dense bitumen compound, basic unit 3 is cement stabilized macadam.
It is wide to lay pervious layer 4 that 2 both sides, intermediate layer respectively reserve about 20cm, pervious layer 4 adopts water permeability graded broken stone material, wherein be laid with longitudinal drainage pipeline 5, wherein pervious layer 4 void contents are 35%, nominal maximum aggregate size is 31.5mm, fine material content below 4.75mm is that the fine material content below 11%, 2.36mm is 3%.
Longitudinal drainage pipeline 5 adopts polyvinyl chloride (PVC) plastic pipe, and diameter is 95mm.Longitudinal drainage pipeline 5 is established three round mouths, and its opening gross area is 120cm 2/ linear meter(lin.m.), transverse drainage pipeline 7 adopts polyvinyl chloride (PVC) plastic pipe of not perforate, and caliber is 95mm.
Porous asphalt pavement layer 1, between intermediate layer 2, the side that contacts in pervious layer 4 and intermediate layer 2, and all arrange every infiltration layer 6 on pervious layer 4 and basic unit's 3 contact planes, every infiltration layer 6, adopt the geotextiles of Double-layer asphalts.
When rainwater drop on porous asphalt pavement layer 1, rainwater infiltrates in the space of porous asphalt pavement, owing to generally making 1.5~2% crown slope in pavement design, simultaneously, due to the blocking-up every infiltration layer 6, thus rainwater in porous asphalt pavement layer 1 inside to two side flow, flow in pervious layer 4, and by the opening on longitudinal drainage pipeline 5, enter longitudinal drainage pipeline 5 and longitudinally flow out, finally by transverse drainage pipeline 7, discharge.

Claims (8)

1. a drainage for porous asphalt pavement, comprises supercrust, intermediate layer and basic unit, it is characterized in that, along road direction, both sides, intermediate layer are provided with pervious layer, and pervious layer is positioned at supercrust below; In described pervious layer, be provided with longitudinal drainage pipeline, on described longitudinal drainage pipeline, offer some through holes, road surface surface water enters longitudinal drainage pipeline through supercrust infiltration pervious layer by through hole and is discharged from.
2. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, the porosity of described pervious layer is 25%~45%.
3. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, the width of described pervious layer is 15cm~25cm.
4. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, between described supercrust and intermediate layer, is provided with every infiltration layer.
5. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, between described intermediate layer and pervious layer, is provided with every infiltration layer.
6. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, between described pervious layer and described basic unit, is provided with every infiltration layer.
7. the drainage of porous asphalt pavement as claimed in claim 1, it is characterized in that, described pavement drainage facility comprises transverse drainage pipeline, and this transverse drainage pipeline and described longitudinal drainage pipeline communication are entered longitudinal drainage pipeline by draining and be discharged from by transverse drainage pipeline.
8. the drainage of porous asphalt pavement as claimed in claim 1, is characterized in that, on described longitudinal drainage pipeline, the gross area of through hole is greater than 80cm 2/ linear meter(lin.m.).
CN201420215018.9U 2014-04-29 2014-04-29 Drainage facility of porous asphalt pavement Expired - Fee Related CN203890829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420215018.9U CN203890829U (en) 2014-04-29 2014-04-29 Drainage facility of porous asphalt pavement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420215018.9U CN203890829U (en) 2014-04-29 2014-04-29 Drainage facility of porous asphalt pavement

Publications (1)

Publication Number Publication Date
CN203890829U true CN203890829U (en) 2014-10-22

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CN201420215018.9U Expired - Fee Related CN203890829U (en) 2014-04-29 2014-04-29 Drainage facility of porous asphalt pavement

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CN (1) CN203890829U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652223A (en) * 2015-02-04 2015-05-27 成都科创佳思科技有限公司 Road facility structure
CN105019329A (en) * 2015-08-11 2015-11-04 嘉兴市规划设计研究院有限公司 Water storage type road structure
CN105133513A (en) * 2015-08-28 2015-12-09 济南城建集团有限公司 City road edge pervious ditch and construction method thereof
CN105507171A (en) * 2015-12-04 2016-04-20 东南大学 Urban road drainage method for recharging groundwater
CN105672064A (en) * 2016-01-17 2016-06-15 中铁二院工程集团有限责任公司 Construction method for cable trough and protective shoulder of high-speed railway roadbed
CN111535169A (en) * 2020-05-14 2020-08-14 云南阳光道桥股份有限公司 Construction method for longitudinal buried drainage of road bridge asphalt layer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104652223A (en) * 2015-02-04 2015-05-27 成都科创佳思科技有限公司 Road facility structure
CN105019329A (en) * 2015-08-11 2015-11-04 嘉兴市规划设计研究院有限公司 Water storage type road structure
CN105133513A (en) * 2015-08-28 2015-12-09 济南城建集团有限公司 City road edge pervious ditch and construction method thereof
CN105507171A (en) * 2015-12-04 2016-04-20 东南大学 Urban road drainage method for recharging groundwater
CN105672064A (en) * 2016-01-17 2016-06-15 中铁二院工程集团有限责任公司 Construction method for cable trough and protective shoulder of high-speed railway roadbed
CN111535169A (en) * 2020-05-14 2020-08-14 云南阳光道桥股份有限公司 Construction method for longitudinal buried drainage of road bridge asphalt layer
CN111535169B (en) * 2020-05-14 2021-08-24 云南阳光道桥股份有限公司 Construction method for longitudinal buried drainage of road bridge asphalt layer

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141022

Termination date: 20160429