CN212223507U - Urban road assembled permeable pavement structure - Google Patents
Urban road assembled permeable pavement structure Download PDFInfo
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- CN212223507U CN212223507U CN202020679973.3U CN202020679973U CN212223507U CN 212223507 U CN212223507 U CN 212223507U CN 202020679973 U CN202020679973 U CN 202020679973U CN 212223507 U CN212223507 U CN 212223507U
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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
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Abstract
The utility model relates to an urban road assembled permeable pavement structure, including plain soil tamp layer, bed course, assembled basic unit, the gravel that distributes in proper order from bottom to top mixes the filter bed, the pitch layer permeates water, assembled basic unit includes plain concrete layer and sets up the drainage canal that many mouths of a river cross-sections on plain concrete layer are "" font, the drainage canal arches along its length direction's middle part, and mouths of a river both sides slope downwards, and inclination is 2-3, and the both ends decibel intercommunication of drainage canal has the collector pipe, the lateral wall that the drainage canal was kept away from to the collector pipe has seted up the raceway, the gravel mixes the filter bed internal fixation and has the water guide subassembly, and the water guide subassembly is used for guiding the water to flow into the drainage canal, the utility model has the advantage of guiding and crossing water fast to the flow direction of the most rainwater of immersing the road surface.
Description
Technical Field
The utility model relates to an assembled road structure especially relates to an urban road assembled permeable pavement structure.
Background
The permeable pavement is a pavement paved by permeable materials, and is generally a permeable cement concrete and permeable asphalt mixture. The permeable pavement structure is provided with the communicated pore structure, so that the water on the surface of the pavement can be quickly drained away, the problems of wheel skidding and the like caused by water film generated on the pavement in rainy days can be effectively reduced, the effect of reducing noise can be achieved due to the communicated structure of the gaps, and the comfort and the safety of road driving are comprehensively improved; in addition, the existence of the communicated pore structure also has positive effects on surface temperature and humidity exchange, underground water purification and rewet, microorganism inhabitation and the like, and the permeable pavement is a green pavement form with good driving comfort and safety and environmental friendliness.
The communicated gap structure endows the permeable pavement with the advantages as above, and simultaneously brings some natural defects to the permeable pavement, namely low strength and easy blockage, and the low strength means that the bearing capacity of the permeable pavement is limited, so that the permeable pavement is mainly applicable to small-load pavements such as green roads, parking lots, parks, squares and the like.
The existing patent with publication number CN209555695U discloses an assembly type composite permeable pavement structure, which comprises a hydrophobic coating, a permeable upper layer, a bonding layer and a pavement slab which are sequentially overlapped from top to bottom; the road surface plate comprises a transverse water guide groove, a positioning groove and a road surface plate transverse grain functional part; and flexible joint filling materials are adopted between the positioning grooves of the road surface plates for treatment.
Among the above-mentioned technical scheme, fall into the road surface when the rainwater, because the water permeability of the upper strata of permeating water, the rainwater divide into two parts, the one is the surface runoff, flow to both sides through the road surface, another part rainwater can be because the capillary of the intercommunication that the pitch compounding that permeates water self has, flow in road surface lower floor, and flow out from the both sides on road surface through the horizontal water guiding groove on the curb plate, do not have guide structure to the water body that flows out in the upper strata of permeating water in this scheme, only collect in the efficiency of horizontal water guiding groove lower through the nature whereabouts, because catchment inefficiency and partial rainwater drainage direction are indefinite, can lead to rivers to the curb plate below, enter the soil base layer, probably lead to the soil base layer because of moist inflation leads to the road surface fracture.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an urban road assembled permeable pavement structure, it has carries out the advantage of guiding to the flow direction of the most rainwater of immersing the road surface.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an urban road assembled permeable pavement structure, includes plain soil tamp layer, bed course, assembled basic unit, the mixed filtering layer of gravel, the pitch layer that permeates water that distributes in proper order from bottom to top, assembled basic unit includes plain concrete layer and sets up the many mouths of a river cross-sections on plain concrete layer for the drainage canal of "font, the drainage canal arches along its length direction's middle part, and the mouth of a river both sides slope downwards, and inclination is 2-3, and the both ends decibel intercommunication of drainage canal has the collector pipe, the lateral wall that the drainage canal was kept away from to the collector pipe has seted up the raceway, the mixed filtering in situ fixation of gravel has the water guide subassembly, and the water guide subassembly is used for guiding the water to flow into the drainage canal.
Through adopting above-mentioned technical scheme, the first pitch layer that permeates water has very strong drainage, the water flows in the gravel filter layer fast through the space of its intercommunication, and lead to the high both sides of water guide subassembly in gravel filter layer and the gravel filter layer and flow into the assembled basic unit, the intraformational drainage canal of assembled basic unit is because its middle part is high low, it has the guide effect to the rivers that loop through the pitch layer that permeates water and the mixed filter layer of gravel and sand income drainage canal, make it flow into in the water-collecting pipe and discharge into the sump pit through the drain pipe, then flow into city pipe network system, through the fixed water guide subassembly in the mixed filter layer of gravel can be more quick accurate introduce the drainage canal with the water, thereby reach the purpose of guide rivers.
The utility model discloses further configure to: the water guide assembly comprises a top transverse rib, a middle transverse rib and inclined ribs, the inclined ribs are a group, the four inclined ribs are inclined towards one end of the assembled base layer and gathered together, and the top transverse rib and the middle transverse rib are latticed and are fixed at the top ends of the inclined ribs and the middle of the inclined ribs respectively.
By adopting the technical scheme, the water guide assembly is embedded in the gravel mixing filter layer, the top transverse rib, the middle transverse rib and the inclined ribs can leave gaps between the water guide assembly and the gravel mixing material, in the process of water passing, the side walls of the top transverse rib, the middle transverse rib and the inclined ribs can guide the water to flow through more easily and guide the water flowing in from the first permeable asphalt layer to the lower part, the bottoms of the four inclined ribs are gathered together, the water is more easily converged and flows into the drainage channel through the tail ends of the inclined ribs, so that the efficiency of pavement drainage and water collection is improved, and the top transverse rib and the middle transverse rib are fixed even if the inclined ribs are fixed; meanwhile, the reinforcing rib is used as a reinforcing rib to improve the bearing capacity of the pavement.
The utility model discloses further configure to: one end of the inclined rib close to the assembled base layer penetrates out of the gravel mixing filter layer and extends into the top end opening of the zigzag drainage channel.
Through adopting above-mentioned technical scheme, make to assemble in the water of sloping muscle bottom can directly flow into the drainage canal to because the inclination of drainage canal and to the both sides influx, and finally discharge through the collector pipe.
The utility model discloses further configure to: the cushion layer comprises an impermeable layer and a hydrophobic layer, wherein the impermeable layer is arranged above the hydrophobic layer and is geotextile with regular pores.
Through adopting above-mentioned technical scheme, the hydrophobic layer is polypropylene fibre geotechnological cloth, through setting up double-deck geotechnological cloth, firstly utilizes the ductility of geotechnological cloth to reduce the road surface atress and prevents the splitting of first pitch layer that permeates water, secondly because polypropylene fibre hydrophobic, can effectively reduce in the water inflow soil matrix layer, reduce it because of moist inflation, extension road surface life-span.
The utility model discloses further configure to: the impermeable layer is a polyester staple fiber needle-punched geotextile layer.
By adopting the technical scheme, the polyester staple fiber punched geotextile has excellent ductility, and is suitable for pavement maintenance and soil foundation protection.
The utility model discloses further configure to: the permeable asphalt layer is an open-graded wearing layer, and the porosity is 18-25%.
By adopting the technical scheme, the graded anti-skid wearing layer (OGFC) is paved by using a large-pore asphalt mixture, can quickly drain rainwater on a road surface from the interior of the OGFC, and has excellent performance of skid resistance, rutting resistance and noise reduction. The designed porosity is more than 18%, and the asphalt pavement structural water drainage agent has strong structural water drainage capacity and is suitable for building a surface layer or a wearing layer of an asphalt pavement in a rainy area.
The utility model discloses further configure to: the top end face of the gravel mixing filter layer is communicated with the bottom end face of the assembled base layer, and hoisting holes are formed in the bottom end face of the gravel mixing filter layer.
Through adopting above-mentioned technical scheme, pour fixed back and get through the hole for hoist through mixing the filter bed with the gravel in advance with assembled basic unit, be convenient for transport it through the crane.
The utility model discloses further configure to: and the side walls of the assembled base layer and the gravel mixed filter layer are also fixedly provided with bonding layers, and the bonding layers are formed by spraying emulsified asphalt or matrix asphalt or modified asphalt.
Through adopting above-mentioned technical scheme for fill the gap between the assembled permeable pavement and the assembled permeable pavement in this scheme, and improve its stability.
To sum up, the utility model discloses a following at least one useful technological effect:
the drainage channel in the assembly type base layer has a guiding function for water flowing into the drainage channel sequentially through the permeable asphalt layer and the gravel mixed filter layer due to the fact that the middle of the drainage channel is high and the two sides of the drainage channel are low, the water flows into the water collecting pipe and is discharged into the water collecting well through the drainage pipe and then flows into the urban pipe network system, and the water can be quickly and accurately introduced into the drainage channel through the water guide assembly fixed in the gravel mixed filter layer;
the bottoms of the four inclined ribs are gathered inwards, so that water is easy to converge and flows into the drainage channel through the tail ends of the inclined ribs, the efficiency of drainage and water collection of the pavement is further improved, and the top transverse ribs and the middle transverse ribs are fixed even if the inclined ribs are fixed; meanwhile, the reinforcing rib is used as a reinforcing rib to improve the bearing capacity of the pavement.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic structural diagram of the present invention.
In the figure, 1, a plain soil compaction layer; 2. a cushion layer; 3. an assembled base layer; 4. a gravel mixing filter layer; 5. a water-permeable asphalt layer; 6. an impermeable layer; 7. a hydrophobic layer; 8. a plain concrete layer; 9. a drainage channel; 10. a water collection pipe; 11. a water delivery pipe; 12. a water guide assembly; 13. a top transverse bar; 14. a middle transverse bar; 15. a diagonal rib; 16. hoisting holes; 17. and (6) bonding layers.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, for the utility model discloses an urban road assembled permeable pavement structure, including plain soil tamp layer 1, bed course 2, assembled basic unit 3, the mixed filter bed of gravel 4, the pitch layer 5 of permeating water that distribute in proper order from bottom to top.
The plain soil rammed layer 1 is a rammed soil surface and is used for paving a road surface. The cushion layer 2 comprises an impermeable layer 6 and a hydrophobic layer 7, wherein the impermeable layer 6 is arranged above the hydrophobic layer 7, the impermeable layer 6 is geotextile with regular pores, the geotextile is geotextile prepared by needling terylene staple fibers, and the hydrophobic layer 7 is geotextile prepared from polypropylene fibers. Through setting up double-deck geotechnological cloth at native ramming layer 1 surface, the ductility that has utilized geotechnological cloth reduces the road surface atress and prevents the cracking of first asphalt layer 5 that permeates water, secondly because polypropylene fibre hydrophobicity can effectively reduce in the water inflow soil matrix, reduces it because of moist inflation, extension road surface life-span.
The assembled base layer 3 comprises a plain concrete layer 8 and a plurality of drainage channels 9 arranged on the plain concrete layer 8, the drainage channels 9 are longitudinally arranged in parallel along the length direction, the cross sections of the drainage channels 9 are in a shape like the Chinese character 'ji', the openings of the drainage channels are upward, the drainage channels 9 are arched along the middle parts of the length direction, two ends of the drainage channels 9 incline downwards, the inclination angles are 2-3 degrees, two ends of the drainage channels 9 are respectively communicated with a water collecting pipe 10, and the water collecting pipe 10 is far away from the side wall of the drainage channels 9 and provided with a water conveying pipe 11. The drainage channel 9 in the assembled base layer 3 has a guiding function for water which sequentially passes through the first permeable asphalt layer 5 and the sand-gravel mixed filter layer 4 to flow into the drainage channel 9 due to the fact that the middle part of the drainage channel is high and the two sides of the drainage channel are low, so that the water flows into the water collecting pipe 10 and is discharged into a water collecting well through the drainage pipe, and then flows into an urban pipe network system.
As shown in fig. 2 and 3, a water guide assembly 12 is fixed in the gravel mixing filter layer 4, and the water guide assembly 12 is used for guiding the water body to flow into the drainage channel 9. The water guide assembly 12 comprises a top transverse rib 13, a middle transverse rib 14 and an inclined rib 15, wherein the inclined ribs 15 are in a group, the four inclined ribs 15 incline towards one end of the assembled base layer 3 and gather together, and the top transverse rib 13 and the middle transverse rib 14 are fixed on the top end of the inclined rib 15 and the middle of the inclined rib 15 in a grid shape respectively. Because water guide assembly 12 buries underground in gravel mixes filter bed 4, the horizontal muscle of top 13, the horizontal muscle of middle part 14, diagonal muscle 15, and can leave the clearance between the gravel compounding, the water passes through the in-process, the horizontal muscle of top 13, the horizontal muscle of middle part 14 and diagonal muscle 15's lateral wall can guide the water more easily and flow through, and will follow the water guide of the asphalt layer 5 inflow that permeates water downwards, the bottom gathers together between 15 four diagonal muscles, the water converges more easily, and the terminal inflow drainage canal 9 through diagonal muscle 15, and then improve the efficiency that road surface drainage catchments, and even diagonal muscle 15 is fixed for the horizontal muscle of top 13 and the horizontal muscle of middle part 14, the horizontal muscle of top 13 and the horizontal muscle of middle part 14 regard as the strengthening rib of gravel mixture filter bed 4 simultaneously, the bearing capacity and the tensile strength on road surface are improved. The water permeable asphalt layer 5 has strong water filtering performance, water body rapidly flows into the gravel filtering layer through the communicated gap and flows into the assembled base layer 3 through the gravel filtering layer and the water guide component 12 in the gravel filtering layer,
one end of the inclined rib 15 close to the assembled base layer 3 penetrates out of the gravel mixing filter layer 4 and extends into the top end opening of the zigzag-shaped drainage channel 9. The water gathered at the bottom of the diagonal rib 15 can directly flow into the drainage channel 9, and is gathered to both sides due to the inclination angle of the drainage channel 9, and finally is discharged through the water collecting pipe 10.
The permeable asphalt layer 5 is an open-graded wearing layer, and the porosity is 18-25%. The open graded anti-skid wearing layer (OGFC) is used for paving a large-pore asphalt mixture, can quickly drain rainwater on a road surface from the interior of the OGFC, has excellent performances of skid resistance, rutting resistance and noise reduction, has stronger structural drainage capacity through the designed porosity of more than 18 percent, and is suitable for building a surface layer or a wearing layer of an asphalt pavement in a rainy area.
As shown in fig. 3 and 4, the top end face of the gravel mixing filter layer 4 and the bottom end face of the fabricated base layer 3 are communicated with each other to form a hoisting hole 16, so that the gravel mixing filter layer 4 and the fabricated base layer 3 are poured and fixed in advance and then the hoisting hole 16 is opened, and the gravel mixing filter layer is conveniently conveyed by a crane.
And the side walls of the assembled base layer 3 and the gravel mixed filter layer 4 are also fixed with a bonding layer 17, and the bonding layer 17 is composed of emulsified asphalt. The adhesive layer 17 is used to fill the gap between the adjacent pavement blocks in this embodiment and improve the stability thereof.
The construction process of the embodiment is as follows:
s1: tamping a plain soil tamping layer 1 in advance and paving a cushion layer 2;
s2: pouring a plain concrete layer 8 in the mould, putting the drainage channel 9, the water collecting pipe 10 and the drainage pipe into the mould to be communicated with the plain concrete layer 8 and fixing the drainage channel and the water collecting pipe;
s3: the bottoms of the four inclined ribs 15 are inserted into the drainage channel 9 and are poured with permeable asphalt;
s4: pouring cement mortar in the mould to form a gravel mixed filter layer 4;
s5: after molding, drilling the hoisting hole 16;
s6: after demoulding, hoisting to the site and placing above the cushion layer 2;
s7: forming a bonding layer 17 by coating emulsified asphalt to bond the gaps between the adjacent fabricated permeable pavement structures of the urban roads in the present embodiment;
s8: and coating permeable asphalt on the top of the solidified gravel mixed filter layer 4 to form a permeable asphalt layer 5.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an urban road assembled permeable pavement structure which characterized in that: including plain soil tamp layer (1), bed course (2), assembled basic unit (3), the mixed filtering layer of gravel (4), the pitch layer (5) of permeating water that distribute in proper order from bottom to top, assembled basic unit (3) include plain concrete layer (8) and set up many canal mouths cross-sections on plain concrete layer (8) for drainage canal (9) of "" "font, drainage canal (9) arch up along its length direction's middle part, and the canal mouth both sides slope downwards, and inclination is 2-3, and the both ends decibel intercommunication of drainage canal (9) has collector pipe (10), conduit pipe (10) are kept away from the lateral wall of drainage canal (9) and have been seted up raceway (11), gravel mixes filtering layer (4) internal fixation and has water guide subassembly (12), and water guide subassembly (12) are used for guiding the water body to flow in drainage canal (9).
2. The fabricated permeable pavement structure for urban roads according to claim 1, characterized in that: water guide subassembly (12) are including the horizontal muscle in top (13), the horizontal muscle in middle part (14), diagonal muscle (15) four are a set of, and four diagonal muscle (15) are towards the one end slope of assembled basic unit (3) and are gathered together, the horizontal muscle in top (13) and the horizontal muscle in middle part (14) are latticed and are fixed in the top of diagonal muscle (15) respectively, and the middle part of diagonal muscle (15).
3. The fabricated permeable pavement structure for urban roads according to claim 2, characterized in that: one end of the inclined rib (15) close to the assembled base layer (3) penetrates out of the gravel mixing filter layer (4) and extends into the top end opening of the 'Y' -shaped drainage channel (9).
4. The fabricated permeable pavement structure for urban roads according to claim 1, characterized in that: the cushion layer (2) comprises an impermeable layer (6) and a hydrophobic layer (7), the impermeable layer (6) is arranged above the hydrophobic layer (7), and the impermeable layer (6) is geotextile with regular pores.
5. The fabricated permeable pavement structure for urban roads according to claim 4, wherein: the impermeable layer (6) is a polyester staple fiber needle-punched geotextile layer.
6. The fabricated permeable pavement structure for urban roads according to claim 1, characterized in that: the permeable asphalt layer (5) is an open-graded wearing layer, and the porosity is 18-25%.
7. The fabricated permeable pavement structure for urban roads according to claim 1, characterized in that: hoisting holes (16) are formed in the bottom end face of the gravel mixing filter layer (4) and communicated with the assembled base layer (3).
8. The fabricated permeable pavement structure for urban roads according to claim 1, characterized in that: and a bonding layer (17) is further fixed on the side wall of the assembled base layer (3) and the gravel mixed filter layer (4), and the bonding layer (17) is formed by spraying emulsified asphalt or matrix asphalt or modified asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020679973.3U CN212223507U (en) | 2020-04-27 | 2020-04-27 | Urban road assembled permeable pavement structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020679973.3U CN212223507U (en) | 2020-04-27 | 2020-04-27 | Urban road assembled permeable pavement structure |
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| CN212223507U true CN212223507U (en) | 2020-12-25 |
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| CN202020679973.3U Active CN212223507U (en) | 2020-04-27 | 2020-04-27 | Urban road assembled permeable pavement structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960332A (en) * | 2022-07-05 | 2022-08-30 | 苏邑设计集团有限公司 | Road intersection pavement structure |
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2020
- 2020-04-27 CN CN202020679973.3U patent/CN212223507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960332A (en) * | 2022-07-05 | 2022-08-30 | 苏邑设计集团有限公司 | Road intersection pavement structure |
| CN114960332B (en) * | 2022-07-05 | 2023-12-08 | 苏邑设计集团有限公司 | Road intersection pavement structure |
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