CN106758676B - Multi-level environment-friendly road drainage and water guide system - Google Patents
Multi-level environment-friendly road drainage and water guide system Download PDFInfo
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- CN106758676B CN106758676B CN201710151827.6A CN201710151827A CN106758676B CN 106758676 B CN106758676 B CN 106758676B CN 201710151827 A CN201710151827 A CN 201710151827A CN 106758676 B CN106758676 B CN 106758676B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 239000010410 layer Substances 0.000 claims abstract description 83
- 239000011449 brick Substances 0.000 claims abstract description 24
- 239000002344 surface layer Substances 0.000 claims abstract description 19
- 239000004567 concrete Substances 0.000 claims description 29
- 239000011148 porous material Substances 0.000 claims description 29
- 239000002689 soil Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
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- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
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- 239000000203 mixture Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
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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
-
- 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
- E01C11/226—Coherent pavings
-
- 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
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
- E01C11/228—Gutters for porous pavings
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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 multi-level environment-friendly road drainage and water guide system, wherein a road surface structure of a road sequentially comprises a water permeable surface layer, a water permeable base layer, a broken stone base layer, a filter layer and a roadbed from top to bottom, a layer of combined bricks are horizontally paved in the water permeable surface layer, water permeable support frames are arranged at the bottoms of two adjacent combined bricks, a drainage channel is arranged in the middle of the road surface structure, and water guide pools are arranged at the positions, close to green belts, of two ends of the road surface. The invention not only solves the problems of no water accumulation on the road surface in rainy days, pedestrian safety guarantee and dust pollution reduction, but also can lead rainwater into a green belt, restore underground water, supplement underground water resources, reduce the burden of an urban drainage system, improve the temperature and humidity of the surface of an urban area, improve urban heat circulation and relieve the heat island effect.
Description
Technical Field
The invention relates to the technical field of road surface drainage systems, in particular to a multi-level environment-friendly road drainage and water guide system.
Background
In order to facilitate the passage in rainy days, the road surface is mostly of a structure that the middle is slightly raised, and two sides close to the road edge stones are slightly lowered compared with the middle of the road surface, so that the driving position of the middle part of the road surface is ensured to have no accumulated water as much as possible. The existing ground drainage depends on a sewer opening arranged on the roadside and a sewer pipeline for drainage. When rain is relatively large and the rate of precipitation exceeds the rate of permeation of the permeable material, if the rain cannot permeate from the permeable layer in the middle of the pavement, the rain can flow to the curbstone along the gradient of the pavement to form accumulated water, and the accumulated water is more and more, even the rain overflows the curbstone, so that normal traffic of vehicles and pedestrian traffic are greatly influenced.
On the other hand, with the improvement of city construction and road network, the city ground coverage rate is higher and higher. At present, urban road pavements are mostly paved by dense and impervious materials, so that urban ecological environments face some outstanding problems: 1) the large amount of rainwater drainage in rainy season will greatly increase the burden of the urban drainage system; 2) road surface water splashes under the action of running vehicles, and adverse effects are generated on the safety of surrounding vehicles and pedestrians; 3) dense and impervious pavements lack the ability to regulate the temperature and humidity of urban ground surfaces, and dust pollution is heavy; 4) the road surface prevents the groundwater supply path, so that the surface plants used for regulating microclimate in the city are difficult to grow, and the heat island effect is prominent.
At present, the edge drainage system mostly adopts a structural form, and finally is connected into a municipal drainage pipeline through a longitudinal drainage pipe or a drainage groove and a transverse water outlet pipe. By adopting the pavement drainage method, the drainage asphalt pavement only solves the problems that the surface of the pavement is not accumulated with water in rainy days, the running is safer, and the dust pollution is reduced, but does not solve the main problems in the urban ecological environment: 1) reducing underground water and supplementing underground water resources; 2) the burden of a city drainage system is reduced; 3) the urban surface temperature and humidity are improved, the urban heat circulation is improved, and the heat island effect is relieved.
Disclosure of Invention
The invention provides a multi-level environment-friendly road drainage and water guide system aiming at the problems that the road drainage and water guide system in the prior art is not perfect in function, cannot supplement urban underground water and cannot relieve the urban heat island effect.
The technical scheme of the invention is as follows: a multi-level environment-friendly road drainage and water guide system is characterized in that a road surface structure of a road sequentially comprises a water permeable surface layer, a water permeable base layer, a gravel base layer, a filter layer and a roadbed from top to bottom, a layer of combined bricks are horizontally paved in the water permeable surface layer, a certain interval is reserved between every two combined bricks, water permeable support frames are arranged at the bottoms of every two adjacent combined bricks and connected together, a drainage channel is arranged in the middle of the road surface structure, and water guide pools are arranged at the positions, close to green belts, of the two ends of the road surface; the drainage channel is a channel formed by two side walls, a bottom surface and a top surface, round corners are arranged between the two side walls and the top surface, the bottom surface is in a circular arc shape with an upward opening, the top of the drainage channel is arranged on a water permeable surface layer and spans the water permeable base layer, the gravel base layer and the filter layer from top to bottom, the bottom of the drainage channel is arranged in the roadbed, drainage pore channels are arranged on two sides of the drainage channel and are positioned at the intersection of the two side walls and the bottom surface, the bottom surfaces of the drainage pore channels are just level with the top surface of the filter layer, and filtering baffles connected with the filter layer are respectively arranged outside the drainage pore channels; the water guide pool is rectangular, the cover plate is arranged at the top of the water guide pool, the cover plate is slightly higher than the water permeable surface layer, the bottom of the water guide pool is located in the roadbed, a water guide hole is formed in one side, close to the green belt, of the water guide pool, a flow adjusting plate is arranged at one end, close to the green belt, of the water guide hole, a filtering structure is arranged between the flow adjusting plate and the green belt, and the green belt sequentially comprises an upper soil layer of the lawn, a middle soil layer of the lawn, a lower soil layer of the lawn and a foundation from top to bottom.
Further, in the above scheme, the combined brick is composed of a porous part and a concrete part, the porous part is a round table with a small upper part and a large lower part, the concrete part is cuboid, the upper end of the porous part is located in the concrete part, and the lower end of the porous part protrudes out of the concrete part. The porous part has good permeability and water retention, high thermal conductivity, can absorb water by the capillary principle to keep lower ground temperature, and has light weight and vibration absorption function.
Further, the porous portion is made of a water-retaining material containing a metal, and the specific composition thereof includes the following components by weight: 3-5 parts of aluminum, 1-4 parts of zinc, 10-25 parts of paper making sludge, 12-20 parts of perlite and 5-10 parts of wood, and the components are mixed to prepare a blank with the pore size of 0.2-1mm and the porosity of 8-15%, and then the blank is cut and formed.
Further, the concrete part comprises the following components in percentage by weight: 41-44% of tailing particles, 1.0-1.2% of chemical fibers, 6-10% of portland cement, 8-15% of white cement, 3-6% of fly ash, 11-16% of fine sand, 1.3-1.6% of an additive and the balance of water, wherein the additive is a calcium lignosulfonate water reducing agent or a UNF-5 type water reducing agent.
Furthermore, in the above scheme, the cross section of the permeable support frame is in a shape of a Chinese character ji, the middle bulge is the top, the two sides are the bottom plates, the bottom plates on the two sides are respectively provided with an engaging key and an engaging groove which are engaged with each other, the engaging key of one permeable support frame is engaged with the engaging groove of the adjacent permeable support frame, the connection is stable, and the top is uniformly provided with permeable holes which can permeate water.
Further, in the scheme, the permeable base layer is a fine sand layer, so that the permeability is good.
Further, in the scheme, the filtering structure is in a strip shape, the internal filling material is a mixture of PTFE fibers and carbon fibers, the ratio of the PTFE fibers to the carbon fibers is 3: 1, and the filtering structure is good in filtering performance and durable.
The invention has the beneficial effects that: the drainage channel is arranged in the middle of the road surface structure, and the water guide tanks are arranged at the positions, close to the green belts, of the two sides, so that the problems of no water accumulation on the road surface in rainy days, pedestrian safety guarantee and dust pollution reduction are solved, rainwater can be guided into the green belts, underground water is reduced, underground water resources are supplemented, the burden of a city drainage system is reduced, the temperature and the humidity of the surface of a city are improved, the heat circulation of the city is improved, and the heat island effect is relieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a composite block;
FIG. 3 is a schematic structural view of a water permeable support frame;
the water-permeable and water-permeable composite material comprises, by weight, 1-a water-permeable surface layer, 2-a water-permeable base layer/a fine sand layer, 3-a gravel base layer/a coarse sand layer, 4-a filter layer, 41-a filter baffle, 5-a roadbed, 6-a combined brick, 61-a porous part, 62-a concrete part, 7-a water-permeable support frame, 71-a top part, 72-a bottom plate, 73-an engagement key, 74-an engagement groove, 75-a water-permeable hole, 8-a drainage channel, 81-a side wall, 82-a bottom surface, 83-a top surface, 84-a drainage channel, 9-a water guide pool, 91-a cover plate, 92-a water guide channel, 10-a flow adjusting plate, 11-a filter structure, 12-a lawn upper soil layer, 13-a lawn middle soil layer, 14-a lawn lower soil layer and 15-a foundation.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments:
example 1:
the utility model provides a multi-level environment-friendly road drainage and water guide system, the road surface structure of road is from last down to be permeable surface course 1, permeable base layer 2, rubble basic unit 3, filter layer 4, road bed 5 in proper order, and permeable base layer 2 is fine sand layer, and the water permeability is good permeable surface course 1 water tiling is equipped with one deck combination fragment of brick 6, has certain interval between every combination fragment of brick 6, is equipped with permeable support frame 7 in two adjacent combination fragment of brick 6 bottoms, links together between two adjacent permeable support frames 7, and combination fragment of brick 6 comprises porous part 61 and concrete part 62, and porous part 61 is big end down's round platform, and concrete part 62 is the rectangular bodily form, and porous part 61 upper end is located concrete part 62, and the lower extreme projects outside concrete part 62. The porous part has good permeability and water retention, high thermal conductivity, can absorb water by the capillary principle to keep lower ground temperature, is light and has the function of absorbing vibration; the cross section of the permeable support frame 7 is in a shape like a Chinese character 'ji', the bulge in the middle is a top part 71, the two sides are bottom plates 72, the bottom plates 72 on the two sides are respectively provided with an engaging key 73 and an engaging groove 74 which are mutually engaged, the engaging key 73 of one permeable support frame 7 is engaged with the engaging groove 74 of the adjacent permeable support frame 7, the connection is stable, and the top part 71 is uniformly distributed with permeable holes 75 which can permeate water; a drainage channel 8 is arranged in the middle of the pavement structure, and water guide pools 9 are arranged at the positions, close to the green belts, of the two ends of the pavement; the drainage channel 8 is a channel formed by two side walls 81, a bottom surface 82 and a top surface 83, a fillet is arranged between the two side walls 81 and the top surface 83, the bottom surface 82 is in the shape of an arc with an upward opening, the top of the drainage channel 8 is arranged in the water permeable surface layer 1 and spans the water permeable base layer 2, the gravel base layer 3 and the filter layer 4 from top to bottom, the bottom of the drainage channel 8 is arranged in the roadbed 5, drainage pore canals 84 are arranged at two sides of the drainage channel 8, the drainage pore canals 84 are positioned at the intersection of the two side walls 81 and the bottom surface 82, the bottom surfaces of the drainage pore canals 84 are just level with the top surface of the filter layer 4, and filter baffles 41 connected with the filter layer 4 are respectively arranged outside the drainage pore canals 84; the water guide pool 9 is rectangular, the top of the water guide pool is provided with a cover plate 91, the cover plate 91 is slightly higher than the water permeable surface layer 1, the bottom of the water guide pool is positioned in the roadbed 5, one side of the water guide pool 9, which is close to a green belt, is provided with a water guide pore channel 92, one end of the water guide pore channel 92, which is close to the green belt, is provided with a flow adjusting plate 10, a filter structure 11 is arranged between the flow adjusting plate 10 and the green belt, the filter structure 11 is in a strip shape, an internal filling material is a mixture of PTFE fibers and carbon fibers, the ratio of the PTFE fibers to the carbon fibers is 3: 1, the filter performance is good and durable, and the green belt sequentially comprises an upper lawn soil layer 12, a middle lawn soil layer 13, a lower lawn soil layer 14 and a foundation 15 from top to bottom.
Wherein, the porous part 61 is made of a water-retaining material containing metal, and the concrete components thereof comprise the following components by weight: 3 parts of aluminum, 1 part of zinc, 10 parts of papermaking sludge, 12 parts of perlite and 5 parts of wood, mixing the above materials to prepare a blank with the pore size of 0.2mm and the porosity of 8%, and then cutting and forming the blank. The concrete portion 62 comprises the following components in percentage by weight: 41% of tailing particles, 1.0% of chemical fibers, 6% of portland cement, 8% of white cement, 3% of fly ash, 11% of fine sand, 1.3% of an additive and the balance of water, wherein the additive is a calcium lignosulfonate water reducing agent.
Example 2:
the utility model provides a multi-level environment-friendly road drainage and water guide system, the road surface structure of road is from last down to be permeable surface course 1, permeable base layer 2, rubble basic unit 3, filter layer 4, road bed 5 in proper order, and permeable base layer 2 is fine sand layer, and the water permeability is good permeable surface course 1 water tiling is equipped with one deck combination fragment of brick 6, has certain interval between every combination fragment of brick 6, is equipped with permeable support frame 7 in two adjacent combination fragment of brick 6 bottoms, links together between two adjacent permeable support frames 7, and combination fragment of brick 6 comprises porous part 61 and concrete part 62, and porous part 61 is big end down's round platform, and concrete part 62 is the rectangular bodily form, and porous part 61 upper end is located concrete part 62, and the lower extreme projects outside concrete part 62. The porous part has good permeability and water retention, high thermal conductivity, can absorb water by the capillary principle to keep lower ground temperature, is light and has the function of absorbing vibration; the cross section of the permeable support frame 7 is in a shape like a Chinese character 'ji', the bulge in the middle is a top part 71, the two sides are bottom plates 72, the bottom plates 72 on the two sides are respectively provided with an engaging key 73 and an engaging groove 74 which are mutually engaged, the engaging key 73 of one permeable support frame 7 is engaged with the engaging groove 74 of the adjacent permeable support frame 7, the connection is stable, and the top part 71 is uniformly distributed with permeable holes 75 which can permeate water; a drainage channel 8 is arranged in the middle of the pavement structure, and water guide pools 9 are arranged at the positions, close to the green belts, of the two ends of the pavement; the drainage channel 8 is a channel formed by two side walls 81, a bottom surface 82 and a top surface 83, a fillet is arranged between the two side walls 81 and the top surface 83, the bottom surface 82 is in the shape of an arc with an upward opening, the top of the drainage channel 8 is arranged in the water permeable surface layer 1 and spans the water permeable base layer 2, the gravel base layer 3 and the filter layer 4 from top to bottom, the bottom of the drainage channel 8 is arranged in the roadbed 5, drainage pore canals 84 are arranged at two sides of the drainage channel 8, the drainage pore canals 84 are positioned at the intersection of the two side walls 81 and the bottom surface 82, the bottom surfaces of the drainage pore canals 84 are just level with the top surface of the filter layer 4, and filter baffles 41 connected with the filter layer 4 are respectively arranged outside the drainage pore canals 84; the water guide pool 9 is rectangular, the top of the water guide pool is provided with a cover plate 91, the cover plate 91 is slightly higher than the water permeable surface layer 1, the bottom of the water guide pool is positioned in the roadbed 5, one side of the water guide pool 9, which is close to a green belt, is provided with a water guide pore channel 92, one end of the water guide pore channel 92, which is close to the green belt, is provided with a flow adjusting plate 10, a filter structure 11 is arranged between the flow adjusting plate 10 and the green belt, the filter structure 11 is in a strip shape, an internal filling material is a mixture of PTFE fibers and carbon fibers, the ratio of the PTFE fibers to the carbon fibers is 3: 1, the filter performance is good and durable, and the green belt sequentially comprises an upper lawn soil layer 12, a middle lawn soil layer 13, a lower lawn soil layer 14 and a foundation 15 from top to bottom.
Wherein, the porous part 61 is made of a water-retaining material containing metal, and the concrete components thereof comprise the following components by weight: 4 parts of aluminum, 2.5 parts of zinc, 17.5 parts of papermaking sludge, 16 parts of perlite and 7 parts of wood, mixing the above materials to prepare a blank with the pore size of 0.6mm and the porosity of 11%, and then cutting and forming the blank. The concrete portion 62 comprises the following components in percentage by weight: 42.5 percent of tailing particles, 1.1 percent of chemical fibers, 8 percent of Portland cement, 12 percent of white cement, 4.5 percent of fly ash, 13.5 percent of fine sand, 1.4 percent of additive and the balance of water, wherein the additive is UNF-5 type water reducing agent.
Example 3:
the utility model provides a multi-level environment-friendly road drainage and water guide system, the road surface structure of road is from last down to be permeable surface course 1, permeable base layer 2, rubble basic unit 3, filter layer 4, road bed 5 in proper order, and permeable base layer 2 is fine sand layer, and the water permeability is good permeable surface course 1 water tiling is equipped with one deck combination fragment of brick 6, has certain interval between every combination fragment of brick 6, is equipped with permeable support frame 7 in two adjacent combination fragment of brick 6 bottoms, links together between two adjacent permeable support frames 7, and combination fragment of brick 6 comprises porous part 61 and concrete part 62, and porous part 61 is big end down's round platform, and concrete part 62 is the rectangular bodily form, and porous part 61 upper end is located concrete part 62, and the lower extreme projects outside concrete part 62. The porous part has good permeability and water retention, high thermal conductivity, can absorb water by the capillary principle to keep lower ground temperature, is light and has the function of absorbing vibration; the cross section of the permeable support frame 7 is in a shape like a Chinese character 'ji', the bulge in the middle is a top part 71, the two sides are bottom plates 72, the bottom plates 72 on the two sides are respectively provided with an engaging key 73 and an engaging groove 74 which are mutually engaged, the engaging key 73 of one permeable support frame 7 is engaged with the engaging groove 74 of the adjacent permeable support frame 7, the connection is stable, and the top part 71 is uniformly distributed with permeable holes 75 which can permeate water; a drainage channel 8 is arranged in the middle of the pavement structure, and water guide pools 9 are arranged at the positions, close to the green belts, of the two ends of the pavement; the drainage channel 8 is a channel formed by two side walls 81, a bottom surface 82 and a top surface 83, a fillet is arranged between the two side walls 81 and the top surface 83, the bottom surface 82 is in the shape of an arc with an upward opening, the top of the drainage channel 8 is arranged in the water permeable surface layer 1 and spans the water permeable base layer 2, the gravel base layer 3 and the filter layer 4 from top to bottom, the bottom of the drainage channel 8 is arranged in the roadbed 5, drainage pore canals 84 are arranged at two sides of the drainage channel 8, the drainage pore canals 84 are positioned at the intersection of the two side walls 81 and the bottom surface 82, the bottom surfaces of the drainage pore canals 84 are just level with the top surface of the filter layer 4, and filter baffles 41 connected with the filter layer 4 are respectively arranged outside the drainage pore canals 84; the water guide pool 9 is rectangular, the top of the water guide pool is provided with a cover plate 91, the cover plate 91 is slightly higher than the water permeable surface layer 1, the bottom of the water guide pool is positioned in the roadbed 5, one side of the water guide pool 9, which is close to a green belt, is provided with a water guide pore channel 92, one end of the water guide pore channel 92, which is close to the green belt, is provided with a flow adjusting plate 10, a filter structure 11 is arranged between the flow adjusting plate 10 and the green belt, the filter structure 11 is in a strip shape, an internal filling material is a mixture of PTFE fibers and carbon fibers, the ratio of the PTFE fibers to the carbon fibers is 3: 1, the filter performance is good and durable, and the green belt sequentially comprises an upper lawn soil layer 12, a middle lawn soil layer 13, a lower lawn soil layer 14 and a foundation 15 from top to bottom.
Wherein, the porous part 61 is made of a water-retaining material containing metal, and the concrete components thereof comprise the following components by weight: 5 parts of aluminum, 4 parts of zinc, 25 parts of papermaking sludge, 20 parts of perlite and 10 parts of wood, mixing the above materials to prepare a blank with the pore size of 1mm and the porosity of 15%, and then cutting and forming the blank. The concrete portion 62 comprises the following components in percentage by weight: 44% of tailing particles, 1.2% of chemical fibers, 10% of portland cement, 15% of white cement, 6% of fly ash, 16% of fine sand, 1.6% of an additive and the balance of water, wherein the additive is a calcium lignosulfonate water reducing agent.
The drainage and water guide method comprises the following steps: after rainwater falls to the road surface, a small part of rainwater permeates downwards through the permeable surface layer 1, and most of rainwater flows into the water guide pool 9 along the road surface. One part of rainwater which penetrates downwards through the water permeable surface layer 1 is absorbed by the combined bricks 6, the other part of rainwater continues to penetrate downwards through the water permeable support frame 7 and then enters the water permeable base layer 2, the water permeable base layer 2 is a fine sand layer and has good water permeability and then enters the gravel base layer 3, the filter layer 4 at the bottom of the gravel base layer 3 has good filtering effect and can effectively retain fine sand, most of water enters the drainage channel through the drainage pore 82 and is drained away, and a small part of water continues to penetrate downwards to the roadbed; rainwater flowing into the water guide tank 9 flows into the green belt through the water guide hole channel 92, the cover plate 91 can preliminarily filter rainwater flowing into the road surface, impurities with large particle sizes are intercepted, the size of the hole channel area of the water guide hole channel 92 is adjusted by the flow adjusting plate 10 through up-down movement, so that the water flow is adjusted, and after the rainwater flows out through the water guide hole channel 92, the rainwater is further filtered through the filtering structure 11 and then flows into the green belt. The drainage channel is arranged in the middle of the road surface structure, and the water guide tanks are arranged at the positions, close to the green belts, of the two sides, so that the problems of no water accumulation on the road surface in rainy days, pedestrian safety guarantee and dust pollution reduction are solved, rainwater can be guided into the green belts, underground water is reduced, underground water resources are supplemented, the burden of a city drainage system is reduced, the temperature and the humidity of the surface of a city are improved, the heat circulation of the city is improved, and the heat island effect is relieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A multi-level environment-friendly road drainage and water guide system is characterized in that a road surface structure of a road sequentially comprises a water permeable surface layer (1), a water permeable base layer (2), a macadam base layer (3), a filter layer (4) and a roadbed (5) from top to bottom, a layer of combined bricks (6) are flatly laid in the water permeable surface layer (1), a certain interval is reserved between every two combined bricks (6), water permeable support frames (7) are arranged at the bottoms of every two adjacent combined bricks (6), the two adjacent water permeable support frames (7) are connected together, a drainage channel (8) is arranged in the middle of the road surface structure, and water guide pools (9) are arranged at the positions, close to green belts, of the two ends of the road surface; the drainage channel (8) is a channel formed by two side walls (81), a bottom surface (82) and a top surface (83), round corners are arranged between the two side walls (81) and the top surface (83), the bottom surface (82) is in a circular arc shape with an upward opening, the top of the drainage channel (8) is arranged in the water permeable surface layer (1) and spans the water permeable base layer (2), the gravel base layer (3) and the filter layer (4) from top to bottom, the bottom of the drainage channel is arranged in the roadbed (5), drainage hole channels (84) are arranged on two sides of the drainage channel (8), the drainage hole channels (84) are positioned at the intersection of the two side walls (81) and the bottom surface (82), the bottom surfaces of the drainage hole channels (84) are just level with the top surface of the filter layer (4), and filtering baffles (41) connected with the filter layer (4) are respectively arranged outside the drainage hole channels (84); the water guide pool (9) is rectangular, the top of the water guide pool is provided with a cover plate (91), the height of the cover plate (91) is slightly higher than that of the water permeable surface layer (1), the bottom of the water guide pool is positioned in the roadbed (5), one side of the water guide pool (9) close to a green belt is provided with a water guide pore passage (92), one end of the water guide pore passage (92) close to the green belt is provided with a flow regulating plate (10), a filtering structure (11) is arranged between the flow regulating plate (10) and the green belt, and the green belt sequentially comprises a lawn upper soil layer (12), a lawn middle soil layer (13), a lawn lower soil layer (14) and a foundation (15) from top to bottom; the method is characterized in that:
the combined brick (6) consists of a porous part (61) and a concrete part (62), wherein the porous part (61) is a round table with a small upper part and a large lower part, the concrete part (62) is cuboid, the upper end of the porous part (61) is positioned in the concrete part (62), and the lower end of the porous part (61) protrudes out of the concrete part (62);
the porous part (61) is made of a water-retaining material containing metal, and the specific components thereof comprise the following components in parts by weight: 3-5 parts of aluminum, 1-4 parts of zinc, 10-25 parts of paper making sludge, 12-20 parts of perlite and 5-10 parts of wood, and the components are mixed to prepare a blank with the pore size of 02-1mm and the porosity of 8-15%, and then the blank is cut and formed.
2. The multi-level environmental protection type road drainage and water guidance system of claim 1, wherein the concrete portion (62) comprises the following components by weight percent: 41-44% of tailing particles, 1.0-1.2% of chemical fibers, 6-10% of Portland cement, 8-15% of white cement, 3-6% of fly ash, 11-16% of fine sand, 1.3-1.6% of an additive and the balance of water.
3. The multi-level environmental protection type road drainage and water guidance system of claim 1, wherein the cross section of the water permeable support frame (7) is in a shape of Chinese character 'ji', the middle protrusion is a top (71), the two sides are bottom plates (72), and the top (71) is uniformly distributed with water permeable holes (75).
4. The multi-level environmental protection type road drainage and water guidance system as claimed in claim 1, wherein the water permeable base layer (2) is a fine sand layer.
5. The multi-level environmental protection type road drainage and water guidance system as claimed in claim 1, wherein the filtering structure (11) is a strip, and the inner filling material is a mixture of PTFE fiber and carbon fiber.
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| CN108677644B (en) * | 2018-05-25 | 2021-04-13 | 浙江原野建设有限公司 | Drainage type municipal road and construction method thereof |
| CN113308961B (en) * | 2021-06-17 | 2022-04-19 | 诚通凯胜生态建设有限公司 | Road paving structure in sponge city |
| CN113317140B (en) * | 2021-07-01 | 2022-06-17 | 湖北华域地景园林工程有限公司 | Ground view gardens concatenation formula lawn chassis |
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