CN114293426A - Permeable brick pavement with air washing function - Google Patents
Permeable brick pavement with air washing function Download PDFInfo
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- CN114293426A CN114293426A CN202111636311.3A CN202111636311A CN114293426A CN 114293426 A CN114293426 A CN 114293426A CN 202111636311 A CN202111636311 A CN 202111636311A CN 114293426 A CN114293426 A CN 114293426A
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- washing
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- permeable brick
- water permeable
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- 238000005406 washing Methods 0.000 title claims abstract description 94
- 239000011449 brick Substances 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000010410 layer Substances 0.000 claims abstract description 50
- 239000002344 surface layer Substances 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 15
- 239000004575 stone Substances 0.000 claims abstract description 15
- 230000035699 permeability Effects 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 11
- 239000004746 geotextile Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims 1
- 238000010926 purge Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract description 5
- 238000001764 infiltration Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The invention discloses a water permeable brick pavement with a gas washing function, which comprises a graded broken stone subbase layer, a water permeable cement concrete base layer, a gas washing leveling layer and a water permeable brick surface layer which are sequentially paved from bottom to top; the air washing leveling layer adopts medium coarse sand, an air washing pipe network is arranged in the air washing leveling layer, the inlet end of the air washing pipe network extends outwards and is connected with an air compressor, and jet holes are distributed on the upper surface of the air washing pipe network; the graded broken stone subbase layer is made of gravel materials with strong permeability, a perforated drain pipe wrapped with permeable geotextile is arranged inside the graded broken stone subbase layer, and the outlet end of the perforated drain pipe is connected to a municipal pipeline. The pavement has the functions of infiltration, filtration and water storage, adopts the mode of setting a gas washing leveling layer and injecting gas to dredge and block, reduces the building waste and the environmental influence caused by failure pavement removal and reconstruction, and is energy-saving and environment-friendly.
Description
Technical Field
The invention belongs to the field of sponge cities, and particularly relates to a water permeable brick pavement with a gas washing function.
Background
The permeable brick pavement mainly changes the structural form of the pavement, transforms the originally widely applied impermeable surface layer in the city into the pavement with water permeability, utilizes the structural layer with larger porosity to improve the infiltration capacity of rainwater on the pavement, and repairs the developed hydrological environment to realize the low-influence development on the original ecological environment.
In the practical application process, the pollutant in the initial stage rainwater is more, leads to the brick surface course of mating formation of permeating water to block up easily, loses the water permeability, need constantly to wash or maintenance means such as vacuum adsorption through high pressure water and resume the water permeability of brick surface course of mating formation of permeating water, but the effect is relatively poor, can wash the plug of the brick surface course of mating formation of permeating water to the basic unit, or adsorb the well coarse sand of screed-coat to the surface course still lead to mating formation to block up the problem.
Disclosure of Invention
The invention aims to provide a water permeable brick paved road surface with a gas washing function, which has the capabilities of infiltration, filtration and water storage, adopts a gas washing leveling layer and a gas injection mode to dredge blockage, reduces building waste and environmental influence caused by failure pavement dismantling and reconstruction, and is energy-saving and environment-friendly.
The technical scheme adopted by the invention is as follows:
a water permeable brick pavement with a gas washing function comprises a graded broken stone subbase layer, a water permeable cement concrete base layer, a gas washing leveling layer and a water permeable brick surface layer which are sequentially paved from bottom to top; the air washing leveling layer adopts medium coarse sand, an air washing pipe network is arranged in the air washing leveling layer, the inlet end of the air washing pipe network extends outwards and is connected with an air compressor, and jet holes are distributed on the upper surface of the air washing pipe network; the graded broken stone subbase layer is made of gravel materials with strong permeability, a perforated drain pipe wrapped with permeable geotextile is arranged inside the graded broken stone subbase layer, and the outlet end of the perforated drain pipe is connected to a municipal pipeline.
Preferably, the air-washing leveling layer is 3-5 cm thick, the pipe diameter of the air-washing pipe network is 1/2 inches or 3/4 inches, the particle size of the medium coarse sand is 3-5mm, and the diameter of the jet hole is 3-5 mm.
Preferably, the gas washing pipe network sets up in groups, and every group all includes gas washing main line, reserve gas washing main line and parallelly connected gas washing branch pipe that distributes between gas washing main line and reserve gas washing main line, and the jet orifice distributes on gas washing branch pipe upper surface.
Preferably, in each group, every three gas washing branch pipes are a small group and pass through the equal-diameter joint, the gas washing main pipe and the standby gas washing main pipe, and the distance between the gas washing branch pipes is 10-20 cm.
Preferably, the upper surface of the air washing branch pipe is provided with three rows of injection holes, the middle injection hole is positioned at the highest point, and the injection holes at the two sides are respectively deviated by 45 degrees.
Preferably, the gas-wash pipe network employs PPR pipes.
Preferably, the surface layer of the water permeable brick is a finished ceramic water permeable brick, the water permeable brick is 200-300 mm long, 150-200 mm wide, 50mm high and 20-30% in water permeability, and gaps of 2-3 mm are reserved between adjacent water permeable bricks and filled with medium coarse sand.
Preferably, the permeable cement concrete base layer is made of finished permeable cement concrete, the bending tensile strength fr is more than or equal to 3.5MPa, and the permeable geotextile is wrapped by the permeable cement concrete base layer.
The invention has the beneficial effects that:
after the rainwater in the catchment area falls, the rainwater sequentially passes through the permeable brick surface layer, the air washing leveling layer, the permeable cement concrete base layer and the graded broken stone subbase layer and is finally guided into the municipal pipeline through the perforated drain pipe, each layer of the pavement has higher porosity, has certain infiltration, filtration and water storage capacities, but is easy to block, in the application process, the pollutants in the early stage rainwater are more and can inevitably bring the pavement sediments into the structure body to block the surface layer of the permeable brick, at the moment, the air compressor is started to inject pressure gas into the air washing pipe network, the pressure gas is upwards ejected from the ejection holes, the blocking substances are carried out from the inner part of the surface layer of the permeable brick by the airflow, therefore, the water permeability of the permeable brick surface layer is recovered, the pavement service life is prolonged, the dredging mode reduces the building waste and the environmental influence caused by failure pavement dismantling and reconstruction, and the energy is saved and the environment is protected.
Drawings
FIG. 1 is a cross-sectional view of a water permeable brick pavement with air washing function in the embodiment of the invention.
FIG. 2 is a schematic diagram of the arrangement of a gas-wash pipe network in an embodiment of the present invention.
FIG. 3 is a top view of an air-wash pipe network in an embodiment of the present invention.
FIG. 4 is a top view of an air wash manifold in an embodiment of the present invention.
Fig. 5 is a cross-sectional view taken at a-a in fig. 4.
In the figure: 1. a permeable brick facing; 2. air washing the leveling layer; 3. a pervious cement concrete base layer; 4. a graded crushed stone sub-base layer; 5. air washing the pipe network; 6. a perforated drain pipe; 7. air washing the dry pipe; 8. washing the dry pipe with standby gas; 9. gas washing the branch pipe; 10. and ejecting the hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the water permeable brick pavement with the air washing function comprises a graded broken stone subbase layer 4, a water permeable cement concrete base layer 3, an air washing leveling layer 2 and a water permeable brick surface layer 1 which are sequentially paved from bottom to top; the air washing leveling layer 2 adopts medium coarse sand, an air washing pipe network 5 is arranged in the air washing leveling layer, the inlet end of the air washing pipe network 5 extends outwards and is connected with an air compressor, and jet holes 10 are distributed on the upper surface of the air washing pipe network; the graded broken stone subbase layer 4 is made of gravel materials with strong permeability, the perforated drain pipe 6 wrapped with permeable geotextile is arranged inside the graded broken stone subbase layer, and the outlet end of the perforated drain pipe 6 is connected to a municipal pipeline. After rainwater in a catchment area falls, the rainwater sequentially passes through a permeable brick surface layer 1, an air washing leveling layer 2, a permeable cement concrete base layer 3 and a graded broken stone subbase layer 4 and is finally guided into a municipal pipeline by a perforated drain pipe 6, each layer of the road surface has higher porosity and has certain infiltration, filtration and water storage capacities, but is easy to block, in the application process, pollutants in initial rainwater are more, pavement sediments can be inevitably brought into a structure body to block the permeable brick surface layer 1, at the moment, an air compressor is started to inject pressure gas into an air washing pipe network 5, the pressure gas is upwards ejected from a jet hole 10, and blocking substances are carried out from the inside of the permeable brick surface layer 1 by airflow, so that the water permeability of the permeable brick surface layer 1 is recovered, the service life is prolonged, and the dredging mode reduces building waste and environmental influence caused by failure pavement demolition and reconstruction, energy conservation and environmental protection.
In the embodiment, the thickness of the air-washing leveling layer 2 is 3-5 cm, the pipe diameter of the air-washing pipe network 5 is 1/2 inches or 3/4 inches, the particle size of medium coarse sand is 3-5mm, and the diameter of the injection hole 10 is 3-5 mm.
As shown in fig. 2 to 5, in the present embodiment, the gas-washing pipe networks 5 are arranged in groups, each group includes a gas-washing main pipe 7, a backup gas-washing main pipe 8, and gas-washing branch pipes 9 distributed in parallel between the gas-washing main pipe 7 and the backup gas-washing main pipe 8, and the injection holes 10 are distributed on the upper surfaces of the gas-washing branch pipes 9. As shown in FIGS. 2 and 3, in the present embodiment, in each group, every three gas-washing branch pipes 9 are a small group and are connected with the gas-washing main pipe 7 and the standby gas-washing main pipe 8 through the equal-diameter joint, and the distance between the gas-washing branch pipes 9 is 10-20 cm. As shown in fig. 4 and 5, in the present embodiment, three rows of spraying holes 10 are formed on the upper surface of the air-washing branch pipe 9, the spraying holes 10 in the middle are located at the highest point, and the spraying holes 10 on both sides are respectively offset by 45 °. In this embodiment, the gas-washing pipe network 5 employs PPR pipes.
In this embodiment, the water permeable brick surface layer 1 is a finished ceramic water permeable brick, the water permeable brick has a length of 200-300 mm, a width of 150-200 mm, a height of 50mm and a water permeability of 20-30%, and gaps of 2-3 mm are reserved between adjacent water permeable bricks and filled with medium coarse sand.
In the embodiment, the permeable cement concrete base layer 3 is made of finished permeable cement concrete, has a bending tensile strength fr greater than or equal to 3.5MPa, and is wrapped with permeable geotextile.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a brick pavement road surface permeates water with air purge function which characterized in that: the concrete waterproof brick comprises a graded broken stone subbase layer, a water-permeable cement concrete base layer, a gas washing leveling layer and a water-permeable brick surface layer which are sequentially paved from bottom to top; the air washing leveling layer adopts medium coarse sand, an air washing pipe network is arranged in the air washing leveling layer, the inlet end of the air washing pipe network extends outwards and is connected with an air compressor, and jet holes are distributed on the upper surface of the air washing pipe network; the graded broken stone subbase layer is made of gravel materials with strong permeability, a perforated drain pipe wrapped with permeable geotextile is arranged inside the graded broken stone subbase layer, and the outlet end of the perforated drain pipe is connected to a municipal pipeline.
2. The water permeable brick pavement with air washing function as claimed in claim 1, wherein: the thickness of the air-washing leveling layer is 3-5 cm, the pipe diameter of the air-washing pipe network is 1/2 inches or 3/4 inches, the particle size of the medium coarse sand is 3-5mm, and the diameter of the jet hole is 3-5 mm.
3. The water permeable brick pavement having an air-washing function as claimed in claim 1 or 2, wherein: the gas washing pipe network sets up in groups, and every group all includes gas washing main line, reserve gas washing main line and parallelly connected gas washing branch pipe that distributes between gas washing main line and reserve gas washing main line, and the jet orifice distributes at gas washing branch pipe upper surface.
4. A water permeable brick pavement having an air-washing function as claimed in claim 3, wherein: in each group, every three gas washing branch pipes are a small group and pass through the equal-diameter joint, the gas washing main pipe and the standby gas washing main pipe, and the distance between the gas washing branch pipes is 10-20 cm.
5. A water permeable brick pavement having an air-washing function as claimed in claim 3, wherein: the upper surface of the air washing branch pipe is provided with three rows of jet holes, the jet hole in the middle is positioned at the highest point, and the jet holes at the two sides are respectively deviated by 45 degrees.
6. The water permeable brick pavement with air washing function as claimed in claim 1, wherein: the gas washing pipe network adopts PPR pipe.
7. The water permeable brick pavement with air washing function as claimed in claim 1, wherein: the surface layer of the water permeable brick is made of finished ceramic water permeable bricks, the length of each water permeable brick is 200-300 mm, the width of each water permeable brick is 150-200 mm, the height of each water permeable brick is 50mm, the water permeability of each water permeable brick is 20-30%, gaps of 2-3 mm are reserved between adjacent water permeable bricks, and the gaps are filled with medium coarse sand.
8. The water permeable brick pavement with air washing function as claimed in claim 1, wherein: the permeable cement concrete base layer is made of finished permeable cement concrete, the bending tensile strength fr is more than or equal to 3.5MPa, and the permeable geotextile is wrapped by the permeable cement concrete base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636311.3A CN114293426A (en) | 2021-12-29 | 2021-12-29 | Permeable brick pavement with air washing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636311.3A CN114293426A (en) | 2021-12-29 | 2021-12-29 | Permeable brick pavement with air washing function |
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| Publication Number | Publication Date |
|---|---|
| CN114293426A true CN114293426A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111636311.3A Pending CN114293426A (en) | 2021-12-29 | 2021-12-29 | Permeable brick pavement with air washing function |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201648906U (en) * | 2010-02-09 | 2010-11-24 | 中冶宝钢技术服务有限公司 | In-line type porous permeable concrete pavement brick |
| CN105714640A (en) * | 2016-03-14 | 2016-06-29 | 合肥工业大学 | Construction method for dust removing and water draining macroporous asphalt road surface containing graded broken stone composite layer |
| CN107780318A (en) * | 2017-09-25 | 2018-03-09 | 东南大学 | A kind of prefabricated permeable structure system in sponge city and its construction method |
| CN108103885A (en) * | 2018-01-09 | 2018-06-01 | 吉林大学 | A kind of permeable pavement based on backwash blocks controlling device and method |
| CN112252109A (en) * | 2020-09-29 | 2021-01-22 | 中国水利水电第七工程局有限公司 | Permeable pavement capable of recovering water permeability |
| CN112982059A (en) * | 2021-02-18 | 2021-06-18 | 贵州民族大学 | Permeable concrete pavement structure and nursing method thereof |
| CN214089283U (en) * | 2020-11-26 | 2021-08-31 | 武汉来道建材科技有限公司 | Permeable pavement structure with preformed groove |
-
2021
- 2021-12-29 CN CN202111636311.3A patent/CN114293426A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201648906U (en) * | 2010-02-09 | 2010-11-24 | 中冶宝钢技术服务有限公司 | In-line type porous permeable concrete pavement brick |
| CN105714640A (en) * | 2016-03-14 | 2016-06-29 | 合肥工业大学 | Construction method for dust removing and water draining macroporous asphalt road surface containing graded broken stone composite layer |
| CN107780318A (en) * | 2017-09-25 | 2018-03-09 | 东南大学 | A kind of prefabricated permeable structure system in sponge city and its construction method |
| CN108103885A (en) * | 2018-01-09 | 2018-06-01 | 吉林大学 | A kind of permeable pavement based on backwash blocks controlling device and method |
| CN112252109A (en) * | 2020-09-29 | 2021-01-22 | 中国水利水电第七工程局有限公司 | Permeable pavement capable of recovering water permeability |
| CN214089283U (en) * | 2020-11-26 | 2021-08-31 | 武汉来道建材科技有限公司 | Permeable pavement structure with preformed groove |
| CN112982059A (en) * | 2021-02-18 | 2021-06-18 | 贵州民族大学 | Permeable concrete pavement structure and nursing method thereof |
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Application publication date: 20220408 |
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