CN111648179A - Permeable pavement for sponge city - Google Patents
Permeable pavement for sponge city Download PDFInfo
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- CN111648179A CN111648179A CN202010467151.3A CN202010467151A CN111648179A CN 111648179 A CN111648179 A CN 111648179A CN 202010467151 A CN202010467151 A CN 202010467151A CN 111648179 A CN111648179 A CN 111648179A
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- layer
- permeable
- concrete layer
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- aggregate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
- E01C11/222—Raised kerbs, e.g. for sidewalks ; Integrated or portable means for facilitating ascent or descent
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a permeable pavement for a sponge city, which comprises a rammed soil base layer, wherein a roadway, a biological detention area and a sidewalk are sequentially arranged on the rammed soil base layer from left to right; the roadway is sequentially provided with an asphalt concrete surface layer, a recycled fine aggregate permeable concrete layer, an impermeable cushion layer, an impermeable concrete layer and a rammed soil base layer from top to bottom; the biological detention area is sequentially provided with a vegetation soil surface layer, a regenerated coarse aggregate vegetation concrete layer, vegetation base soil, a sand filter layer, a water collecting ditch and a reverse filter geotextile from top to bottom; the sidewalk is sequentially provided with a permeable brick surface layer, a permeable cement mortar layer, a regenerated aggregate permeable concrete layer and a reverse filtration isolation layer from top to bottom; from the perspective of sponge city construction, the construction waste recycled aggregate generated in the building and road reconstruction processes is fully utilized, and the construction waste recycled aggregate is applied to the construction of the permeable pavement, so that the construction waste recycled aggregate has good ecological significance and industrialization prospect.
Description
Technical Field
The invention relates to the technical field of road construction of sponge cities, in particular to a permeable pavement for a sponge city.
Background
The urban road capacity in China is seriously insufficient, the per-capita road area is only one third of that in developed countries, and the urban road has the characteristics of multiple functions, complex composition, large traffic volume of pedestrians and non-motor vehicles and the like, so the requirements of newly building and reconstructing the urban road are huge. The good urban road meets the requirements of traffic transportation and urban ecological development, in recent years, the construction of sponge cities is fierce, the city is stressed to have elasticity like a sponge, and the natural purification characteristics of natural rainwater storage and natural rainwater permeation are highlighted. However. The scheme of applying road and construction waste recycled aggregate to sponge urban road construction is lacked in the prior art.
Disclosure of Invention
The invention aims to provide a permeable pavement for a sponge city, and aims to solve the problem that a system is lacked in the prior art, and road and construction waste recycled aggregate are applied to road construction of the sponge city.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a permeable pavement for a sponge city, which comprises a rammed soil base layer, wherein a roadway, a biological detention area and a sidewalk are sequentially arranged on the rammed soil base layer from left to right; the roadway is sequentially provided with an asphalt concrete surface layer, a recycled fine aggregate permeable concrete layer, an impermeable cushion layer, an impermeable concrete layer and a rammed soil base layer from top to bottom; the biological detention area is sequentially provided with a vegetation soil surface layer, a regenerated coarse aggregate vegetation concrete layer, vegetation base soil, a sand filter layer, a water collecting ditch and a reverse filter geotextile from top to bottom; the sidewalk is sequentially provided with a permeable brick surface layer, a permeable cement mortar layer, a regenerated aggregate permeable concrete layer and a reverse filtration isolation layer from top to bottom.
Furthermore, curbstones are respectively arranged between the roadway and the biological retention area and between the sidewalk and the biological retention area; the road edge stone is sequentially provided with an impermeable concrete layer, a recycled coarse aggregate permeable concrete layer and an impermeable concrete layer from top to bottom.
Furthermore, the upper surface of the impermeable cushion layer is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer adjacent to the impermeable cushion layer, and the lower surface of the aggregate permeable concrete layer in regeneration is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer adjacent to the aggregate permeable concrete layer.
Furthermore, the bone cement ratio of the recycled coarse aggregate pervious concrete layer is 7-8, the water cement ratio is 0.6-0.7, the recycled coarse aggregates adopted by the recycled coarse aggregate pervious concrete layer are obtained by crushing and screening construction wastes, and the particle size of the recycled coarse aggregates is 27-40 mm.
Further, the recycled coarse aggregate vegetation concrete layer is obtained by pouring a vegetation base material into the recycled coarse aggregate permeable concrete layer, wherein the vegetation base material is a porous ecological concrete vegetation base material disclosed in chinese patent application CN106718275A (patent No. 201611121512.9).
Further, the lower surface of the asphalt concrete surface layer, the lower surface of the vegetation soil surface layer and the lower surface of the pervious cement mortar layer are flush; the lower surface of the regenerated fine aggregate permeable concrete layer, the lower surface of the regenerated coarse aggregate planting concrete layer and the lower surface of the reverse filtration isolation layer are flush.
Furthermore, the reverse filtering geotechnical layer is arranged among the vegetation base layer soil, the sand filtering layer and the water collecting ditch which is communicated with the rainwater collecting well, and the rammed soil base layer.
Further, the reverse filtering geotextile is V-shaped.
Furthermore, the bone cement ratio of the recycled fine aggregate permeable concrete layer is 4-5, the water cement ratio is 0.6-0.7, the recycled fine aggregates adopted by the recycled fine aggregate permeable concrete layer are obtained by crushing and screening building wastes, and the particle size of the recycled fine aggregates is 9-15 mm.
Furthermore, the bone cement ratio of the recycled aggregate permeable concrete layer is 5-7, the water cement ratio is 0.6-0.7, recycled aggregates adopted by the recycled aggregate permeable concrete layer are obtained by crushing and screening building wastes, and the particle size of the recycled aggregates is 16-27.
Compared with the prior art, the invention has the beneficial effects that:
the permeable pavement for the sponge city organically combines the recycling of the construction waste with the construction of the sponge city, wherein the regenerated fine aggregate permeable concrete layer, the regenerated middle aggregate permeable concrete layer and the regenerated coarse aggregate permeable concrete layer have good mechanical property and water permeability; the regenerated coarse aggregate planting concrete layer has better planting performance and certain mechanical property; rainwater stretches into the regenerated fine aggregate pervious concrete layer through the asphalt concrete surface layer, permeates into the regenerated middle aggregate pervious concrete layer through the pervious brick surface layer and the pervious cement mortar layer, rainwater in the regenerated fine aggregate pervious concrete layer, the regenerated middle aggregate pervious concrete layer and the regenerated coarse aggregate pervious concrete layer flows into the bioretention area again, redundant rainwater permeates into the water collecting ditch and then is gathered into the rainwater collecting well, plants on the surface layer of the bioretention area take roots on the vegetation concrete surface layer, and root systems penetrate through the regenerated coarse aggregate vegetation concrete layer and are pricked into the vegetation base layer soil, so that the purpose of natural storage and utilization of rainwater is achieved, and the rainwater collecting well has good application prospect and ecological significance.
Drawings
Fig. 1 is a schematic structural diagram of a permeable pavement for a sponge city according to an embodiment of the present invention.
In the figure: 1-roadway, 11-asphalt concrete surface course, 12-regenerated fine aggregate pervious concrete layer, 13-impervious cushion layer, 14-impervious concrete layer, 15-rammed earth base layer, 2-curbstone, 21-regenerated coarse aggregate pervious concrete layer, 3-bioretention area, 31-vegetation soil surface course, 32-regenerated coarse aggregate vegetation concrete layer, 33-vegetation base layer soil, 34-sand filter layer, 35-catchment ditch, 36-reversed filter geotextile, 4-sidewalk, 41-pervious brick surface course, 42-pervious cement mortar layer, 43-regenerated middle aggregate pervious concrete layer and 44-reversed filter isolation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the permeable pavement for sponge cities according to the embodiment of the present invention includes a compacted soil base layer 15, and a roadway 1, a biological retention area 3 and a sidewalk 4 are sequentially disposed on the compacted soil base layer 15 from left to right; the roadway 1 is sequentially provided with an asphalt concrete surface layer 11, a recycled fine aggregate pervious concrete layer 12, an impervious cushion layer 13, an impervious concrete layer 14 and a rammed earth base layer 15 from top to bottom; the biological detention area 3 is sequentially provided with a vegetation soil surface layer 31, a regenerated coarse aggregate vegetation concrete layer 32, vegetation base soil 33, a sand filter layer 34, a water collecting ditch 35 and a reverse filter geotextile 36 from top to bottom; the sidewalk 4 is provided with a permeable brick surface layer 41, a permeable cement mortar layer 42, a recycled aggregate permeable concrete layer 43 and a reverse filtration isolation layer 44 from top to bottom in sequence.
The upper surface of the impermeable cushion layer 13 is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer 21 adjacent to the impermeable cushion layer, and the lower surface of the regenerated coarse aggregate permeable concrete layer 43 is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer 21 adjacent to the impermeable cushion layer.
The bone cement ratio of the recycled coarse aggregate pervious concrete layer 21 is 7-8, the water cement ratio is 0.6-0.7, the recycled coarse aggregates adopted by the recycled coarse aggregate pervious concrete layer 21 are obtained by crushing and screening construction wastes, and the particle size of the recycled coarse aggregates is 27-40 mm.
The recycled coarse aggregate vegetation concrete layer 32 is obtained by pouring a vegetation base material into the recycled coarse aggregate permeable concrete layer 21, wherein the vegetation base material is a porous ecological concrete vegetation base material disclosed in Chinese patent application CN106718275A (with the patent number of 201611121512.9).
The lower surface of the asphalt concrete surface layer 11, the lower surface of the vegetation soil surface layer 31 and the lower surface of the permeable cement mortar layer 42 are flush; the lower surface of the regenerated fine aggregate pervious concrete layer 12, the lower surface of the regenerated coarse aggregate planting concrete layer 32 and the lower surface of the reverse filtration isolation layer 44 are flush.
The anti-filter geotextile 36 is arranged among the vegetation base layer soil 33, the sand filter layer 34, the water collecting ditch 35 and the rammed soil base layer 15, and the water collecting ditch 35 is communicated with the rainwater collecting well.
The reverse filtering geotextile 36 is V-shaped, and the reverse filtering geotextile 36 separates the plant-growing base layer soil 33, the sand filtering layer 34 and the water collecting ditch 35 from the rammed soil base layer 15.
The bone cement ratio of the recycled fine aggregate pervious concrete layer 12 is 4-5, the water cement ratio is 0.6-0.7, the recycled fine aggregate adopted by the recycled fine aggregate pervious concrete layer 12 is obtained by crushing and screening construction waste, and the particle size of the recycled fine aggregate is 9-15 mm.
The bone cement ratio of the recycled aggregate permeable concrete layer 43 is 5-7, the water cement ratio is 0.6-0.7, recycled aggregates adopted by the recycled aggregate permeable concrete layer 43 are obtained by crushing and screening building wastes, and the particle size of the recycled aggregates is 16-27.
The permeable pavement for the sponge city organically combines the recycling of the construction waste with the construction of the sponge city, wherein the regenerated fine aggregate permeable concrete layer 12, the regenerated middle aggregate permeable concrete layer 43 and the regenerated coarse aggregate permeable concrete layer 21 have good mechanical properties and water permeability; the recycled coarse aggregate planting concrete layer 32 has good planting performance and certain mechanical property; rainwater extends into the regenerated fine aggregate pervious concrete layer 12 through the asphalt concrete surface layer 11, permeates into the regenerated medium aggregate pervious concrete layer 43 through the pervious brick surface layer 41 and the pervious cement mortar layer 42, rainwater in the regenerated fine aggregate pervious concrete layer 12, the regenerated medium aggregate pervious concrete layer 43 and the regenerated coarse aggregate pervious concrete layer 21 flows into the bioretention area 3 again, redundant rainwater permeates into the water collecting ditch 35 and then is gathered into the rainwater collecting well, plants on the surface layer of the bioretention area 3 take roots on the vegetation soil surface layer 31, and root systems penetrate through the regenerated coarse aggregate vegetation concrete layer 32 and are pricked into the vegetation base soil 33, so that the purpose of natural storage and utilization of rainwater is achieved, and the rainwater-permeable concrete surface layer has good application prospect and ecological significance.
From the perspective of sponge city construction, the construction waste recycled aggregate generated in the building and road reconstruction processes is fully utilized, and the construction waste recycled aggregate is applied to the construction of the permeable pavement, so that the construction waste recycled aggregate has good ecological significance and industrialization prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a permeable pavement for sponge city which characterized in that: the biological treatment device comprises a rammed soil base layer (15), wherein a roadway (1), a biological detention area (3) and a sidewalk (4) are sequentially arranged on the rammed soil base layer (15) from left to right; the roadway (1) is sequentially provided with an asphalt concrete surface layer (11), a recycled fine aggregate pervious concrete layer (12), an impervious cushion layer (13) and an impervious concrete layer (14) from top to bottom; the biological detention area (3) is sequentially provided with a vegetation soil surface layer (31), a regenerated coarse aggregate vegetation concrete layer (32), vegetation base soil (33), a sand filter layer (34), a water collecting ditch (35) and a reverse filter geotextile (36) from top to bottom; the sidewalk (4) is sequentially provided with a permeable brick surface layer (41), a permeable cement mortar layer (42), a recycled aggregate permeable concrete layer (43) and a reverse filtration isolation layer (44) from top to bottom.
2. The permeable pavement for sponge cities as claimed in claim 1, characterized in that: curbstones (2) are respectively arranged between the roadway (1) and the biological retention area (3) and between the sidewalk (4) and the biological retention area (3); the road edge stone (2) is sequentially provided with an impermeable concrete layer (14), a recycled coarse aggregate permeable concrete layer (21) and an impermeable concrete layer (14) from top to bottom.
3. The permeable pavement for sponge cities as claimed in claim 2, characterized in that: the upper surface of the impermeable cushion layer (13) is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer (21) adjacent to the impermeable cushion layer, and the lower surface of the regenerated coarse aggregate permeable concrete layer (43) is flush with the lower surface of the regenerated coarse aggregate permeable concrete layer (21) adjacent to the regenerated aggregate permeable concrete layer.
4. The permeable pavement for sponge cities as claimed in claim 2, characterized in that: the bone cement ratio of the recycled coarse aggregate pervious concrete layer (21) is 7-8, the water cement ratio is 0.6-0.7, the recycled coarse aggregates adopted by the recycled coarse aggregate pervious concrete layer (21) are obtained by crushing and screening construction wastes, and the particle size of the recycled coarse aggregates is 27-40 mm.
5. The permeable pavement for sponge cities as claimed in claim 2, characterized in that: the recycled coarse aggregate vegetation concrete layer (32) is obtained by pouring vegetation base materials into a recycled coarse aggregate permeable concrete layer (21).
6. The permeable pavement for sponge cities as claimed in claim 1, characterized in that: the lower surface of the asphalt concrete surface layer (11), the lower surface of the vegetation soil surface layer (31) and the lower surface of the permeable cement mortar layer (42) are flush; the lower surface of the regenerated fine aggregate pervious concrete layer (12), the lower surface of the regenerated coarse aggregate planting concrete layer (32) and the lower surface of the reverse filtering isolation layer (44) are flush.
7. The permeable pavement for sponge cities as claimed in claim 6, wherein: the reverse filtration geotextile (36) is arranged among the plant-growing base layer soil (33), the sand filtration layer (34) and the catchment ditch (35) and the rammed soil base layer (15), and the catchment ditch (35) is communicated with the rainwater collection well.
8. The permeable pavement for sponge cities as claimed in claim 7, wherein: the reverse filtering geotextile (36) is V-shaped.
9. The permeable pavement for sponge cities as claimed in claim 1, characterized in that: the bone cement ratio of the recycled fine aggregate pervious concrete layer (12) is 4-5, the water cement ratio is 0.6-0.7, the recycled fine aggregate adopted by the recycled fine aggregate pervious concrete layer (12) is obtained by crushing and screening construction waste, and the particle size of the recycled fine aggregate is 9-15 mm.
10. The permeable pavement for sponge cities as claimed in claim 1, characterized in that: the aggregate-cement ratio of the recycled aggregate pervious concrete layer (43) is 5-7, the water-cement ratio is 0.6-0.7, recycled aggregates adopted by the recycled aggregate pervious concrete layer (43) are obtained by crushing and screening construction wastes, and the particle size of the recycled aggregates is 16-27.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467151.3A CN111648179A (en) | 2020-05-28 | 2020-05-28 | Permeable pavement for sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467151.3A CN111648179A (en) | 2020-05-28 | 2020-05-28 | Permeable pavement for sponge city |
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| Publication Number | Publication Date |
|---|---|
| CN111648179A true CN111648179A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010467151.3A Pending CN111648179A (en) | 2020-05-28 | 2020-05-28 | Permeable pavement for sponge city |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009296922A (en) * | 2008-06-12 | 2009-12-24 | Sumitomo Fudosan Kk | Exterior pot, and street using the same |
| KR20100012695A (en) * | 2008-07-29 | 2010-02-08 | 신강하이텍(주) | Parking lots with eco-bio-filter technology for treating non-point source pollutants |
| CN104891892A (en) * | 2015-05-13 | 2015-09-09 | 河海大学 | Method used for preparing simulate planting concrete from sludge |
| CN205420946U (en) * | 2016-03-01 | 2016-08-03 | 山东科技大学 | Novel ecology that prevents surface gathered water road structure of permeating water |
| CN106718275A (en) * | 2016-12-08 | 2017-05-31 | 河海大学 | A kind of porous ecological concrete plants raw base material and its preparation method and application |
| CN107794822A (en) * | 2017-09-28 | 2018-03-13 | 东南大学 | A kind of porous pavement based on sponge the idea of the city |
| CN208266622U (en) * | 2018-04-12 | 2018-12-21 | 重庆市市政设计研究院 | A kind of sponge non-watertight road edge stone and sponge urban road structural system |
| CN109534744A (en) * | 2018-10-23 | 2019-03-29 | 华北水利水电大学 | The preparation method of regeneration aggregate pervious concrete |
-
2020
- 2020-05-28 CN CN202010467151.3A patent/CN111648179A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009296922A (en) * | 2008-06-12 | 2009-12-24 | Sumitomo Fudosan Kk | Exterior pot, and street using the same |
| KR20100012695A (en) * | 2008-07-29 | 2010-02-08 | 신강하이텍(주) | Parking lots with eco-bio-filter technology for treating non-point source pollutants |
| CN104891892A (en) * | 2015-05-13 | 2015-09-09 | 河海大学 | Method used for preparing simulate planting concrete from sludge |
| CN205420946U (en) * | 2016-03-01 | 2016-08-03 | 山东科技大学 | Novel ecology that prevents surface gathered water road structure of permeating water |
| CN106718275A (en) * | 2016-12-08 | 2017-05-31 | 河海大学 | A kind of porous ecological concrete plants raw base material and its preparation method and application |
| CN107794822A (en) * | 2017-09-28 | 2018-03-13 | 东南大学 | A kind of porous pavement based on sponge the idea of the city |
| CN208266622U (en) * | 2018-04-12 | 2018-12-21 | 重庆市市政设计研究院 | A kind of sponge non-watertight road edge stone and sponge urban road structural system |
| CN109534744A (en) * | 2018-10-23 | 2019-03-29 | 华北水利水电大学 | The preparation method of regeneration aggregate pervious concrete |
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Application publication date: 20200911 |