CN211227952U - Novel permeable pavement - Google Patents
Novel permeable pavement Download PDFInfo
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- CN211227952U CN211227952U CN201921813552.9U CN201921813552U CN211227952U CN 211227952 U CN211227952 U CN 211227952U CN 201921813552 U CN201921813552 U CN 201921813552U CN 211227952 U CN211227952 U CN 211227952U
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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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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a novel permeable pavement, which is provided with a footpath; the walking way sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a water permeable surface layer from bottom to top. The utility model discloses well geopolymer foam concrete layer's inside forms the micro-structure passageway by between bubble and bubble, and this micro-structure passageway can play the dual effect of permeating water and water storage. Utilize this effect, the utility model discloses can guarantee the effect of permeating water of long-term stability to can effectively guide and utilize ponding.
Description
Technical Field
The utility model relates to a novel permeable pavement.
Background
Along with the continuous emergence of society, people pay more and more attention to the construction of ecological cities, keep high harmony in economic development, social progress and ecological protection, fully fuse the technology and the nature, and enable the living and working environments of people to be cleaner and more beautiful.
In ecological city construction, road construction is always the field of exploration and innovation of people. Due to natural factors such as rain and snow, a large amount of water is accumulated on the road surface. In order to ensure the smoothness, cleanness and tidiness of roads, people are constantly dedicated to researching the drainage problem of the roads. In addition to the design of drainage systems, it has been desirable for roads themselves to have good water permeability. Therefore, people can use the permeable bricks to pave the pavement or use the permeability of the permeable concrete to achieve the permeable effect.
But the pavement paved by the water permeable bricks is easy to loosen along with use, so that the maintenance rate is high. The principle of water permeability of pervious concrete is to permeate water by utilizing permeable gaps among aggregates of the pervious concrete, so that the gaps can be blocked by fine particles along with use, thereby influencing the permeable effect. Furthermore, pervious concrete has low pore strength and poor durability.
Meanwhile, people only consider the water permeability of the pavement when researching the water permeability of the pavement, but do not effectively utilize the permeated water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have long-term stable water permeability and water storage nature to can effectively utilize the novel permeable pavement of ponding.
Realize the utility model discloses the technical scheme of purpose is: the utility model discloses a novel permeable pavement has a footpath; the walking way sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a water permeable surface layer from bottom to top.
As an optimized design, the system also comprises a traffic lane and a green belt; when the green belt is arranged between the walking lane and the footpath; the traffic lane sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a traffic road surface from bottom to top; the green belt sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a soil filling layer from bottom to top. The roadbed of the traffic lane, the roadbed of the green belt and the roadbed of the footpath are sequentially connected; the roadbed of the green belt is lower than the roadbed of the traffic lane and the roadbed of the footpath; the roadbed of the traffic lane and the roadbed of the footpath incline towards the roadbed of the green belt.
As an optimization design, when the pedestrian path is arranged between the pedestrian path and the green belt; the traffic lane sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a traffic road surface from bottom to top; the green belt sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a soil filling layer from bottom to top. The subgrade of the carriageway and the subgrade of the footpath are connected and inclined towards the subgrade of the green belt; the roadbed of the green belt is lower than the roadbed of the footpath.
The cushion layer is a gravel laying layer.
The permeable surface layer is a permeable brick laying layer. The permeable brick laying layer adopts high-strength sand-based permeable bricks.
The particle size of the broken stone laying layer is 5-10 cm.
The geopolymer foam concrete adopted by the geopolymer foam concrete layer comprises the following components in percentage by mass:
steel slag powder: 25-45% of modified red mud: 0 to 12.5 percent; modified metakaolin: 25-45%; fly ash: 0 to 25 percent; setting accelerator: 0.5-5%; exciting agent: 1-6%; foaming agent: 0.6-1.5%; the steel slag powder is steel slag powder with the content of less than 1 percent, the activity index of more than 5 percent and the fineness of less than 250 meshes, which is obtained by grinding the transcription steel slag after iron selection; the modified red mud is obtained by adding 5-10 mm straw fiber powder accounting for 25% of the mass of the red mud after filter pressing treatment of sintering process red mud or Bayer process red mud and uniformly stirring; the modified metakaolin is prepared by calcining natural kaolin at 600-900 ℃ for 3-5 h, and then crushing the calcined metakaolin into powder with more than 300 meshes; the coagulant is blast furnace granulated slag, and powder with the fineness of 800-4500 kg/m2 is obtained after grinding; the excitant is red mud attached liquid, and the main chemistry of the excitant is Cl-: 105-560 mg/L, SO 42-: 85-128 mg/L, CO 32-: 105-560 mg/L, OH-: 896-1534 mg/L, Al3 +: 267-438 mg/L, F-: 7.8-20.2 mg/L, total soluble solids: 7791-16615 mg/L; the foaming agent is an animal protein foaming agent, a rosin foaming agent or a plant protein foaming agent; the fly ash is grade II fly ash or grade I fly ash.
The utility model discloses in lay above-mentioned novel permeable pavement's construction process, including following step:
s1, finishing the roadbed to ensure that the compaction degree is more than 90%;
s2, paving a cushion layer on the roadbed;
s3, pouring a geopolymer foam concrete layer on the cushion layer, and drying the geopolymer foam concrete layer after the geopolymer foam concrete layer is solidified;
s4, paving a traveling road surface on the geopolymer foam concrete layer positioned at the traveling lane; paving a water permeable surface layer on the geopolymer foam concrete layer positioned at the footpath; and arranging a soil filling layer on the geopolymer foam concrete layer at the green belt.
The utility model discloses has positive effect: (1) the micro-structure channel is formed between the bubbles inside the geopolymer foam concrete layer, and the micro-structure channel can play the double effects of water permeation and water storage; meanwhile, the microstructure channel is not easy to be blocked by fine particles, so that the long-term stable water permeation effect can be ensured.
(2) The utility model discloses to lay the layer as the brick that permeates water of surface course and set up on geopolymer foam concrete layer, because geopolymer foam concrete layer compares traditional sand base road surface support nature stronger, consequently the brick that permeates water is laid the layer and is difficult not hard up, and the maintenance rate is few to have well long-term water permeability.
(3) The geopolymer foam concrete layers are poured on the roadbed of the travelling lane and the roadbed of the green belt, so that the whole road surface has good water permeability; meanwhile, the geopolymer foam concrete layer at the green belt has water permeability, and the microstructure channels of the geopolymer foam concrete layer also have certain water storage performance, and the water can volatilize to the filling layer through evaporation, so that the water is provided for the production of green plants.
(4) The utility model discloses the geopolymer foam concrete layer on well lane and the geopolymer foam concrete layer on pavement all incline to the geopolymer foam concrete layer of greenbelt for the water of road surface infiltration can flow to the greenbelt along the inclined plane, thereby carries out make full use of with the infiltration water (be used for the irrigation of green planting promptly).
(5) The utility model discloses well bed course can play fine cushioning effect, can play the effect of stress dispersion simultaneously, improves geopolymer foaming concrete layer's life.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a layout diagram of embodiment 2 of the present invention;
fig. 3 is a cross-sectional view of embodiment 2 of the present invention;
fig. 4 is a layout diagram of embodiment 3 of the present invention;
fig. 5 is a sectional view of embodiment 3 of the present invention.
Detailed Description
(example 1)
See fig. 1, the utility model discloses have pavement 1, pavement 1 includes road bed 2, bed course 3, geopolymer foam concrete layer 4 and the surface course 5 that permeates water from up down in proper order.
The cushion layer 3 is a gravel laying layer. The particle size of the broken stone laying layer is 10 cm.
The permeable surface layer 5 is a permeable brick laying layer. The permeable brick laying layer adopts high-strength sand-based permeable bricks.
The utility model discloses lay above-mentioned novel permeable pavement's construction process, including following step:
s1, finishing the roadbed 2 to ensure that the compaction degree is more than 90%;
s2, paving a gravel paving layer on the roadbed 2;
s3, pouring a geopolymer foam concrete layer 4 on the gravel laying layer;
s4, after the geopolymer foam concrete layer 4 is solidified and dried, a water permeable brick laying layer 5 is laid above the geopolymer foam concrete layer.
The geopolymer foam concrete adopted by the geopolymer foam concrete layer 4 comprises the following components in percentage by mass:
steel slag powder: 37.02%, modified red mud: 7.5 percent; modified metakaolin: 30.5 percent; class I fly ash: 15.7 percent; setting accelerator: 4.5 percent; red mud absorption liquid: 3.62 percent; foaming agent: 1.16 percent; the steel slag powder is steel slag powder with the content of less than 1 percent, the activity index of more than 5 percent and the fineness of less than 250 meshes, which is obtained by grinding the transcription steel slag after iron selection; the modified red mud is obtained by adding 5-10 mm straw fiber powder accounting for 25% of the mass of the red mud after filter pressing treatment of sintering process red mud or Bayer process red mud and uniformly stirring; the modified metakaolin is prepared by calcining natural kaolin at 600-900 ℃ for 3-5 h, and then crushing the calcined metakaolin into powder with more than 300 meshes; the coagulant is blast furnace granulated slag, and powder with the fineness of 800-4500 kg/m2 is obtained after grinding; the excitant is red mud attached liquid, and the main chemistry of the excitant is Cl-: 105-560 mg/L, SO 42-: 85-128 mg/L, CO 32-: 105-560 mg/L, OH-: 896-1534 mg/L, Al3 +: 267-438 mg/L, F-: 7.8-20.2 mg/L, total soluble solids: 7791-16615 mg/L; the foaming agent is an animal protein foaming agent, a rosin foaming agent or a plant protein foaming agent.
(example 2)
Referring to fig. 2 and 3, the utility model has a traffic lane 6, a footpath 1 and a green belt 7; the pavement 1 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a permeable surface layer 5 from bottom to top; the green belt 7 is arranged between the traffic lane 6 and the footpath 1; the traffic lane 6 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a traffic road surface 8 from bottom to top; the green belt 7 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a soil filling layer 9 from bottom to top.
The roadbed 2 of the traffic lane 6, the roadbed 2 of the green belt 7 and the roadbed 2 of the footpath 1 are connected in sequence; the roadbed 2 of the green belt 7 is lower than the roadbed 2 of the traffic lane 6 and the roadbed 2 of the footpath 1; the foundations 2 of the carriageway 6 and the foundations 2 of the footpath 1 are both inclined towards the foundations 2 of the green belt 7.
The cushion layer 3 is a gravel laying layer.
The permeable surface layer 5 is a permeable brick laying layer. The permeable brick laying layer adopts high-strength sand-based permeable bricks.
The particle size of the crushed stone laying layer is 5 cm.
The utility model discloses lay on novel permeable pavement's construction process, including following step:
s1, finishing the roadbed 2 to ensure that the compaction degree is more than 90%;
s2, paving a gravel paving layer on the roadbed 2;
s3, pouring a geopolymer foam concrete layer 4 on the gravel laying layer until the geopolymer foam concrete layer is solidified and dried completely;
s4, paving a traveling road surface 8 on the geopolymer foam concrete layer 4 positioned at the traffic lane 6; paving a permeable brick paving layer 5 on the geopolymer foam concrete layer 4 positioned at the footpath 1; a soil infill layer 9 is provided on the geopolymer foam concrete layer 4 at the green belt 7.
The geopolymer foam concrete adopted by the geopolymer foam concrete layer 4 comprises the following components in percentage by mass:
steel slag powder: 45% and modified red mud: 5 percent; modified metakaolin: 25 percent; class I fly ash: 16.18 percent; setting accelerator: 4 percent; red mud absorption liquid: 3.62 percent; foaming agent: 1.2 percent; the steel slag powder is steel slag powder with the content of less than 1 percent, the activity index of more than 5 percent and the fineness of less than 250 meshes, which is obtained by grinding the transcription steel slag after iron selection; the modified red mud is obtained by adding 5-10 mm straw fiber powder accounting for 25% of the mass of the red mud after filter pressing treatment of sintering process red mud or Bayer process red mud and uniformly stirring; the modified metakaolin is prepared by calcining natural kaolin at 600-900 ℃ for 3-5 h, and then crushing the calcined metakaolin into powder with more than 300 meshes; the coagulant is blast furnace granulated slag, and powder with the fineness of 800-4500 kg/m2 is obtained after grinding; the excitant is red mud attached liquid, and the main chemistry of the excitant is Cl-: 105-560 mg/L, SO 42-: 85-128 mg/L, CO 32-: 105-560 mg/L, OH-: 896-1534 mg/L, Al3 +: 267-438 mg/L, F-: 7.8-20.2 mg/L, total soluble solids: 7791-16615 mg/L; the foaming agent is an animal protein foaming agent, a rosin foaming agent or a plant protein foaming agent.
(example 3)
Referring to fig. 4 and 5, the utility model has a traffic lane 6, a footpath 1 and a green belt 7; the pavement 1 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a permeable surface layer 5 from bottom to top; the green belt 7 is arranged between the traffic lane 6 and the footpath 1; the traffic lane 6 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a traffic road surface 8 from bottom to top; the green belt 7 sequentially comprises a roadbed 2, a cushion layer 3, a geopolymer foam concrete layer 4 and a soil filling layer 9 from bottom to top.
The subgrade 2 of the traffic lane 6 and the subgrade 2 of the footpath 2 are connected and inclined towards the subgrade 2 of the green belt 7; the foundations 2 of the green belts 7 are lower than the foundations 2 of the footpaths 1.
The cushion layer 3 is a gravel laying layer. The particle size of the broken stone laying layer is 5-10 cm.
The permeable surface layer 5 is a permeable brick laying layer. The permeable brick laying layer adopts high-strength sand-based permeable bricks.
The utility model discloses lay above-mentioned novel permeable pavement's construction process, including following step:
s1, finishing the roadbed 2 to ensure that the compaction degree is more than 90%;
s2, paving a gravel paving layer on the roadbed 2;
s3, pouring a geopolymer foam concrete layer 4 on the gravel laying layer until the geopolymer foam concrete layer is solidified and dried completely;
s4, paving a traveling road surface 8 on the geopolymer foam concrete layer 4 positioned at the traffic lane 6; paving a water permeable surface layer 5 on the geopolymer foam concrete layer 4 positioned at the footpath 1; a soil infill layer 9 is provided on the geopolymer foam concrete layer 4 at the green belt 7.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A novel permeable pavement comprises a footpath; the method is characterized in that: the walking way sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a water permeable surface layer from bottom to top.
2. A novel permeable pavement according to claim 1, characterized in that: also has a traffic lane and a green belt; the green belt is arranged between the walking lane and the footpath; the traffic lane sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a traffic road surface from bottom to top; the green belt sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a soil filling layer from bottom to top.
3. A novel permeable pavement according to claim 2, characterized in that: the roadbed of the traffic lane, the roadbed of the green belt and the roadbed of the footpath are sequentially connected; the roadbed of the green belt is lower than the roadbed of the traffic lane and the roadbed of the footpath; the roadbed of the traffic lane and the roadbed of the footpath incline towards the roadbed of the green belt.
4. A novel permeable pavement according to claim 1, characterized in that: also has a traffic lane and a green belt; the pedestrian path is arranged between the pedestrian lane and the green belt; the traffic lane sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a traffic road surface from bottom to top; the green belt sequentially comprises a roadbed, a cushion layer, a geopolymer foam concrete layer and a soil filling layer from bottom to top.
5. A novel permeable pavement according to claim 4, characterized in that: the subgrade of the carriageway and the subgrade of the footpath are connected and inclined towards the subgrade of the green belt; the roadbed of the green belt is lower than the roadbed of the footpath.
6. A novel permeable pavement according to any one of claims 1 to 5, characterized in that: the cushion layer is a gravel laying layer.
7. A novel permeable pavement according to any one of claims 1 to 5, characterized in that: the permeable surface layer is a permeable brick laying layer.
8. The novel permeable pavement according to claim 6, characterized in that: the particle size of the broken stone laying layer is 5-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813552.9U CN211227952U (en) | 2019-10-23 | 2019-10-23 | Novel permeable pavement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921813552.9U CN211227952U (en) | 2019-10-23 | 2019-10-23 | Novel permeable pavement |
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| CN211227952U true CN211227952U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685204A (en) * | 2019-10-23 | 2020-01-14 | 常州易能科技有限公司 | Novel permeable pavement and construction process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685204A (en) * | 2019-10-23 | 2020-01-14 | 常州易能科技有限公司 | Novel permeable pavement and construction process thereof |
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