CN105484122A - Ecological permeable pavement and construction method thereof - Google Patents
Ecological permeable pavement and construction method thereof Download PDFInfo
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- CN105484122A CN105484122A CN201510959184.9A CN201510959184A CN105484122A CN 105484122 A CN105484122 A CN 105484122A CN 201510959184 A CN201510959184 A CN 201510959184A CN 105484122 A CN105484122 A CN 105484122A
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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
- 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
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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
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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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- 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
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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
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
Abstract
The invention relates to an ecological permeable pavement and a construction method thereof. The ecological permeable pavement sequentially comprises a soil permeable layer, a crushed stone water storage layer, a concrete bearing layer and a surface layer from bottom to top, wherein earthworms are artificially arranged at the soil permeable layer; the crushed stone water storage layer comprises crushed stones and a plurality of water retention balls dispersed in the crushed stones; and the concrete bearing layer comprises a permeable frame and concrete filled in the permeable frame, a plurality of permeable pipes are arranged on the permeable frame along a vertical direction, the top ends of the permeable pipes pass through the surface layer and are communicated with the outside air, and the bottom ends of the permeable pipes are communicated with the crushed stone water storage layer. The ecological permeable pavement provided by the invention not only can ensure that roads are firm and durable but also can enable the space below the pavement and the space above the pavement to form good ecological cycle systems, thereby being favorable for purifying the air and improving the soil.
Description
Technical field
The present invention relates to highway construction technical field, particularly relate to a kind of ecological permeable paving and construction method thereof.
Background technology
In prior art, water permeable pavement adopts water-permeable brick and the mode of turf plant on paving usually.Water-permeable brick has certain water permeability, but about 2 years capillary penetrating aquaporins will block and greatly reduce permeable effect; Can only slowly seep water in lawn, can not be permeable.
At present, due to environmental problem, as PM2.5, tail gas pollution etc., the paving with single function can not meet the needs of people's life, and people are a kind of ecological pavement simultaneously possessing several functions of exigence more.
Summary of the invention
In view of the problem existing for prior art, the invention provides a kind of ecological ventilative paving, the sturdy and durable of road can be ensured, more than below paving and paving also can be made to form good ecological recycle system, be conducive to purifying air, improveing soil.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of ecological permeable paving, comprises soil permeable layer, rubble aquifer, concrete bearing bed and surface layer from the bottom to top successively; At described soil permeable layer, manually earthworm is set; Described rubble aquifer comprises rubble and is dispersed in the multiple water retention balls in rubble; Described concrete bearing bed comprises water-permeable frame and is filled in the concrete of water-permeable frame inside, described water-permeable frame is vertically provided with multiple water-permeable pipe, the top of described water-permeable pipe is passed surface layer and is communicated with outside air, and the bottom of described water-permeable pipe is communicated with rubble aquifer.
The present invention is had the following advantages by the setting of said structure:
1, by the setting of water-permeable pipe, powerful water inlet is energy attract dust also, and the top of water-permeable pipe is passed surface layer and is communicated with the bottom connection rubble aquifer of outside air water-permeable pipe, cold (heat) air of underground is conducive to be derived, lead to earth's surface, form circulation, sanitizing air;
2, by the reasonable setting of surface layer, concrete bearing bed, rubble aquifer, make whole ecological pavement sturdy and durable;
3, effectively can reclaim rainfall, supplement the deficiency of soil groundwater table; When there being a large amount of rainfall, rainwater is first quick enters rubble aquifer via water-permeable pipe, then flow into soil permeable layer, forms lower storage reservoir provisionally, and allows soil absorption return recharge of groundwater, prevent fault sag, reduces bloods and droughts and occurs;
4, the soil under ecological permeable paving and air moment on the ground keep clear circulates, and activating soil, forms underground microecosystem, environmental protect quality, and reduce air pollution, the carbon dioxide captured can also store refinement, creates secondary benefit; Arrange earthworm, can decompose debirs, excreta is the best fertilizer of soil.
5, construction costs is low, and well below existing high pressure brick, ecological permeable bricks, the duration is short, maintenance cost is low, and performance is good, is applicable to wide popularization and application;
6, haze harm is suppressed, be conducive to environmental protect quality, multiple harmful substances in air is played to the effect of dilution, hazardous substances can by after water-permeable pipe, thus decrease aerial diffusion, because rubble aquifer and soil permeable layer are rich in moisture and biological active, hazardous substances is adsorbed or is dissolved in rock or water, be convenient to biological utilization, after the conversion of biology is decomposed, form nutritional labeling.
7, improve urban heat land effect, be conducive to the surface temperature reducing paving; The water that rubble aquifer and soil permeable layer store can be used for recycling and also can directly evaporate, for suppressing urban heat land effect, and energy-saving and emission-reduction simultaneously;
8, the wormcast that earthworm produces is conducive to improvement soil, degraded hazardous substances; Earthworm lives in soil, and energy enrichment nutrient, improves the fertility of soil.Every soil having earthworm to live, the element of various plants growth needs all can increase to some extent compared with the soil without earthworm or increase several times.According to test, the humus content in wormcast comparatively original soil improves 36%-150%, and nitrogen increases 38%-230%, and available nitrogen increases 75%-110%, and rapid available phosphorus increases 20%-68%, and available potassium increases 19%-36%.Wormcast exceeds several times compared with the phosphorus of animal manure, potassium, calcium and organic content, and its fertility is than animal manure good (table 5); Wormcast not only can improve the fertility of soil, makes the plant growth of cultivation, physically well develops, but also can strengthen the ability of Genes For Plant Tolerance disease; Live in earthworm in soil mainly with the organic matter rotted for food, the effect of decomposing organic matter is only second to the microorganism in soil, their hard works in natural material recycle, is the bodyguard of maintaining ecological balance.Earthworm gets into the cave, loosen the soil, eat soil and organic matter, can create good condition for the amount reproduction of microorganism.Earthworm has very strong digestion power, utilizes their specific function process household garbage or organic waste, the ight soil stayed after dealing with earthworm rubbish makes fertilizer, fertilizer amount can be reduced, help the mankind to solve dependence chemical fertilizer and make soil acidification, the problem hardened, such as: the farmland of farming is under the effect of earthworm, the crumb structure of soil is improved, crop energy robust growth, the ability of disease and insect resistance can be improved, the consumption of chemical pesticide can be reduced again, thus play the effect of protection of the environment further, structure of the present invention the temperature that suitable earthworm can be provided to live is set, the conditions such as humidity, earthworm is made to have good living environment wherein, just can reach the object of expection.
9, this overall structure also has the effect of good isolated vibrations; Because earthworm has certain requirement to living environment, need suitable temperature, humidity, light, noise low, avoid vibrations etc. as far as possible, by integrally-built be rationally set to earthworm provide suitable living condition, thus be conducive to earthworm improvement soil, process discarded object, and have and good purified the effect of air.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the upper surface of described surface layer is provided with many crisscross grooves.
Further, the top of described water-permeable pipe is positioned at groove.
The beneficial effect of above-mentioned further scheme is adopted to be: the top due to water-permeable pipe is arranged in groove the collection being conducive to moisture, and the moisture after collection enters rubble aquifer and soil permeable layer smoothly through water-permeable pipe.
Further, the width of described groove is 8-16mm, and the degree of depth of described groove is 2-5mm.
Adopt the groove of above-mentioned parameter, there is following effect: (1) is convenient to cleaning; (2) do not affect the normal walking of people and passing through of vehicle, especially do not affect old man, the passing through of children and individuals with disabilities; (3) too much ponding on road surface is avoided; (4) reasonably optimum configurations is conducive to increasing friction; (5) if recess width and the degree of depth arrange little especially, easily on paving, produce ponding; (6) if recess width and the degree of depth arrange large especially, be unfavorable for the traveling of vehicle.
Water-permeable pipe is divided into give vent to anger water-permeable pipe and air inlet water-permeable pipe, can arrange separately give vent to anger water-permeable pipe or air inlet water-permeable pipe, and preferably, give vent to anger water-permeable pipe and air inlet water-permeable pipe interval are uniformly distributed; The open top of water-permeable pipe of giving vent to anger is less than bottom opening, and the open top of air inlet water-permeable pipe equals bottom opening.In the present invention, for convenience of describing, will give vent to anger water-permeable pipe and air inlet water-permeable pipe are referred to as water-permeable pipe.
Further, the average diameter of described water-permeable pipe is 8-30mm, arranges according to every square metre of concrete bearing bed distribution 30-120 water-permeable pipe.
Described average diameter is obtained divided by 2 after can being added with " diameter of the bottom of water-permeable pipe " by " diameter at the top of water-permeable pipe " again.
The material of described water-permeable pipe is preferably plastic cement material, is preferably PP plastic cement (i.e. polypropylene), because plastic cement material is not afraid of rainwater invasion and attack; The water-permeable frame comprising the formation of water-permeable pipe is more tough and tensile, and the water-permeable pipe framework made owing to making plastic cement under concrete is coated is avoided directly being shone by the sun and aging, and overall ecological pavement is firm in structure durable.
The setting of water-permeable pipe is the key link and technological difficulties that solve the problem.Because need to consider the problems such as integrally-built soundness, gas flow, water-holding capacity.Find through unexpected, the best that is set to of above-mentioned parameter is arranged, and can ensure the realization of above-mentioned beneficial effect further.
When evenly arranging in straight-tube shape water-permeable pipe and frustum water-permeable pipe interval, effect can be more better.
Further, described water retention ball comprise with permeable hole plastic casing and be positioned at the water-storage material of enclosure interior, the diameter of described water retention ball is 20-60mm.
Water-storage material can be rubble, gravel, sponge etc., also can mix zeolite, active carbon etc.
Adopt the beneficial effect of above-mentioned further scheme to be: the diameter of suitable water retention ball, on the one hand, be conducive to the realization of water storage, airing function, the breeding for microorganism provides favourable life condition, such as, and temperature, humidity etc.; On the other hand, be conducive to ensureing the firm of water retention ball place layer structure.
Further, the thickness of described rubble aquifer is 100-800mm.
Adopt the beneficial effect of above-mentioned further scheme to be: to ensure enough water-holding capacities, when reaching maximum rainfall, road surface does not have surface flow phenomenon.
Further, the ratio of the volume summation of multiple water retention ball and the volume of rubble aquifer is 5% to 20%.
Adopt the beneficial effect of above-mentioned further scheme to be: the suitable volumes ratio of water retention ball and rubble aquifer, under the robust prerequisite of guarantee overall structure, suitable humidity can be provided, be conducive to biological metabolism.
Further, 8-30 bar earthworm is placed in every square metre of soil permeable layer.
The beneficial effect of above-mentioned further scheme is adopted to be: because the life habit of earthworm is loosening soil, if earthworm quantity is too much in soil, can have a negative impact to the firmness degree of whole pavement structure and application life; If it is very few to arrange earthworm, does not reach and purify air, improve soil equivalence fruit, careful outer to find, the earthworm of this ratio is matched with above-mentioned structure and parameter, can reach the effect of the best.
The construction method in ecological permeable paving, comprises the following steps:
1) by soil compression, soil pricks hole, earthworm is put into Kong Zhonghou and buries soil, form soil permeable layer;
2) at soil permeable layer upper berth rubble and multiple water retention ball, rubble aquifer is formed;
3) on rubble aquifer, arrange water-permeable frame, water-permeable frame is provided with multiple water-permeable pipe, and the bottom of water-permeable pipe is communicated with rubble aquifer, at the inner concrete perfusion of water-permeable frame, forms concrete bearing bed;
4) arrange surface layer at the upper surface of concrete bearing bed, surface layer arranges groove, the top of water-permeable pipe is passed groove and is communicated with outside air.
The invention has the beneficial effects as follows: method of operating of the present invention is simple, and once can complete the paving of larger area, construction costs is low, easy to utilize.
Further, described surface layer can spray curing agent, improves the application life in ecological permeable paving further.
Step 1) in, place 8-30 bar earthworm in every square metre of soil permeable layer.
Step 2) in, the thickness of described rubble aquifer is 100-800mm, described water retention ball comprises plastic casing and is positioned at the water-storage material of enclosure interior, and the diameter of described water retention ball is 20-60mm, and the ratio of the volume summation of multiple water retention ball and the volume of rubble aquifer is 5% to 20%.
Step 3) in, the average diameter of water-permeable pipe is 8-30mm, arranges according to every square metre of concrete bearing bed distribution 30-120 water-permeable pipe.
Step 4) in, the groove of described surface layer is provided with many, and many grooves are crisscross.The top of water-permeable pipe is positioned at groove, is conducive to precipitation and enters into underground.The width of described groove is 8-16mm, and the degree of depth of described groove is 2-5mm.
In above-mentioned, water-permeable pipe is divided into give vent to anger water-permeable pipe and air inlet water-permeable pipe, can arrange separately give vent to anger water-permeable pipe or air inlet water-permeable pipe, and preferably, give vent to anger water-permeable pipe and air inlet water-permeable pipe interval are uniformly distributed; The open top of water-permeable pipe of giving vent to anger is less than bottom opening, and the open top of air inlet water-permeable pipe equals bottom opening.In the present invention, for convenience of describing, will give vent to anger water-permeable pipe and air inlet water-permeable pipe are referred to as water-permeable pipe.
By the setting of above-mentioned key parameter, be conducive to ensureing further integrally-built sturdy and durable and purify air, improve the effects such as soil.
Ecological permeable paving of the present invention has a wide range of applications occasion, such as: sidewalk, square, parking lot, urban road, community road, park road and sidewalk etc.
Accompanying drawing explanation
Fig. 1 is the section structure schematic diagram in ecological permeable paving of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, soil permeable layer, 110, earthworm, 2, rubble aquifer, 210, water retention ball, 3, concrete bearing bed, 310, water-permeable frame, 320, water-permeable pipe of giving vent to anger, 330, air inlet water-permeable pipe, 4, surface layer, 410, groove.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 surface a kind of ecological permeable paving section structure schematic diagram, comprises soil permeable layer 1, rubble aquifer 2, concrete bearing bed 3 and surface layer 4 from the bottom to top successively.
Soil permeable layer 1 is provided with earthworm 110, and ant can give free rein to enter and breed, and places 8-30 bar earthworm 110 in every square metre of soil permeable layer 1.
The thickness of rubble aquifer 2 is 100-800mm.Rubble aquifer 2 comprises rubble and is dispersed in the multiple water retention balls 210 in rubble; Water retention ball 210 comprise with permeable hole plastic casing and be positioned at the water-storage material of enclosure interior, the diameter of water retention ball 210 is 20-60mm, and water-storage material is sponge.The ratio of the volume summation of multiple water retention ball 210 and the volume of rubble aquifer 2 is 5% to 20%.
Concrete bearing bed 3 comprises water-permeable frame 310 and is filled in the concrete of water-permeable frame 310 inside, water-permeable frame 310 is built by horizontal stand and vertical rack, wherein vertical rack is water-permeable pipe, water-permeable pipe on the one hand in the vertical direction has the effect of support, there is the effect of water guide, ventilation on the other hand, water-permeable pipe is provided with multiple, and the top of water-permeable pipe is passed surface layer 4 and is communicated with outside air, and the bottom of water-permeable pipe is communicated with rubble aquifer 2.
Water-permeable pipe is divided into give vent to anger water-permeable pipe 320 and air inlet water-permeable pipe 330.Water-permeable pipe 320 bottom opening of giving vent to anger is greater than open top, in chimney-like or frustum, is convenient to gas and flows out; Air inlet water-permeable pipe 330, in straight-tube shape, is convenient to air inlet.Give vent to anger water-permeable pipe 320 and air inlet water-permeable pipe 330 interval is uniformly distributed, and has the effect of air guide, water flowing, is referred to as water-permeable pipe for ease of describing will give vent to anger water-permeable pipe 320 and air inlet water-permeable pipe 330.The water of outside air and the air of below ground, outside water and below ground all can pass through water-permeable pipe, forms ecological circulation.The average diameter of water-permeable pipe is 8-30mm, arranges according to every square metre of concrete bearing bed 3 30-120 water-permeable pipe (pointing out the summation of gas water-permeable pipe 320 and air inlet water-permeable pipe 330) that distribute.
The upper surface of surface layer 4 is provided with many crisscross grooves 410, and the top of water-permeable pipe is positioned at groove 410.The width of groove 410 is 8-16mm, and the degree of depth of groove 410 is 2-5mm.
This ecological permeable paving, in building course, comprises the following steps:
1) by soil compression, soil pricks hole, earthworm 110 is put into Kong Zhonghou and buries soil, form soil permeable layer 1;
2) at soil permeable layer 1 upper berth rubble and multiple water retention ball 210, rubble aquifer 2 is formed;
3) water-permeable frame 310 is set on rubble aquifer 2, water-permeable frame 310 is provided with multiple water-permeable pipe, water-permeable pipe is divided into give vent to anger water-permeable pipe 320 and air inlet water-permeable pipe 330, give vent to anger water-permeable pipe 320 in chimney-like or frustum, air inlet water-permeable pipe 330 is in straight-tube shape, and give vent to anger water-permeable pipe 320 and air inlet water-permeable pipe 330 interval are uniformly distributed, and the bottom of water-permeable pipe is communicated with rubble aquifer 2, at the inner concrete perfusion of water-permeable frame 310, form concrete bearing bed 3;
4) arrange surface layer 4 at the upper surface of concrete bearing bed 3, surface layer 4 is provided with groove 410, and the top of water-permeable pipe is passed groove 410 and is communicated with outside air.
Embodiment and comparative example
According to the key parameter of water permeable pavement arranging embodiment 1 to embodiment 4 and comparative example 1 to comparative example 6 in table 1, wherein " A " represents the density of earthworm, and unit is bar/m
2; " B " represents the thickness of rubble aquifer, and unit is mm; " C " represents the diameter of water retention ball, and unit is mm; " D " represents the percentage of the volume of all water retention balls and the volume of rubble aquifer; " E " represents the average diameter of water-permeable pipe, and unit is mm; " F " represents the distribution of water-permeable pipe, and unit is individual/m
2; " G " represents the width of groove, and unit is mm; " H " represents the degree of depth of groove, and unit is mm.
The area of each water permeable pavement is 100 square metres, and for ensureing the same of experiment condition, each water permeable pavement is positioned at same panel region, but keeps independent each other and can not interact.
The setting of the key parameter of table 1 water permeable pavement
Separately set comparative example 7 as concrete paving, its length, width, thickness are all identical with the length of embodiment 1 water permeable pavement, width, thickness.
One, the detection of PM2.5
The weather of selection PM2.5 slight pollution, PM2.5 intermediate pollution, PM2.5 serious pollution detects respectively.Before detection, first utilize cage to isolate between paving and paving, cage is cuboid, length is 10 meters, wide be 10 meters, height is 20 meters.
Utilize PM2.5 detector to carry out the detection of PM2.5 after 72 hours, test point is 100cm place above paving all, and the water permeable pavement in each embodiment and comparative example detects three times, and carries out statistical analysis.Experimental result is in table 2.
PM2.5 detector is purchased from Jinan Nuo Fang Electron Technology Co., Ltd, and model is SDC2501, and measurement category is 0-999 microgram/cubic meter, and certainty of measurement is 1 microgram/cubic meter.Concrete using method is with reference to the operational manual of this product.
The testing result of table 2PM2.5
Data as can be seen from table 2, the present invention is conducive to significantly reducing the content of PM2.5 by the key parameter rationally arranging water permeable pavement.
Two, the detection of gas in air
In said process, gaseous sample is gathered respectively from 100cm above each paving, utilize the content of the various gases in Australian Ecotech company ML/EC9800 series on-line gas analysis Instrumental Analysis sample, concrete operations can with reference to the description of instrument, often group experiment in triplicate, and carry out statistical analysis.Experimental result is in table 3.
Gas detect result in table 3 air
Can be found out by the experimental data in table 3, the present invention is conducive to by the key parameter rationally arranging water permeable pavement the content reducing pollutants in air.
Three, the detection of the temperature of water permeable pavement
Utilize thermometer to detect the temperature of temperature in air and deck surface respectively, testing result is in table 4.
Table 4 temperature detection result
The detection of the water content in the soil of four, water permeable pavement
Evenly spray the water of 20 cubic metres respectively to each paving, after 12 hours, detect the moisture of soil permeable layer.Comparative example 7 is owing to being directly built up by concrete, and there is more ponding on surface.All the other paving overwhelming majority water flow into underground by water-permeable pipe.Find after testing, the moisture in the soil permeable layer in embodiment 1 to embodiment 4 is higher, can reach 70-80%, far away higher than the moisture (about 40% to 60%) in the soil permeable layer in other pavings.
Can be shown by above data, the present invention is conducive to by the key parameter rationally arranging water permeable pavement the content reducing PM2.5, reduces the content of pollutants in air, avoids surface temperature too high, be conducive to water storage.
Five, the nutritional labeling of wormcast in soil permeable layer is detected
20 days after paving has been built, earthworm excrement (wherein, the basic indifference of nutrient content of the earthworm excrement that embodiment 1 to embodiment 4 is collected, so only list average) is collected from the soil permeable layer of embodiment 1 to embodiment 4, and the nutritional labeling detected wherein, the results are shown in Table 5.
Table 5 earthworm excrement, animal manure nutrient content compare (%)
| Full nitrogen | Full phosphorus | Full potassium | Phosphorus element | Rotten element | Organic matter | Moisture | |
| Earthworm excrement | 0.81 | 0.81 | 0.43 | 16.54 | 7.54 | 30.82 | 40.1 |
| Cow dung | 0.32 | 0.25 | 0.16 | Nothing | Nothing | 14.5 | 83.03 |
| Pig manure | 0.6 | 0.4 | 0.44 | Nothing | Nothing | 15 | 81.5 |
| Horsehit | 0.58 | 0.3 | 0.24 | Nothing | Nothing | 21 | 75.8 |
| Sheep excrement | 0.65 | 0.47 | 0.23 | Nothing | Nothing | 31.4 | 65.5 |
Note: the content only listing the nutrition of earthworm excrement part in table 5 is not whole compositions.
Six, adjust the density of the earthworm in embodiment 1, other parameters are all identical with embodiment 1, utilize said method to carry out the detection of PM2.5.In table 6, " A " represents the density of earthworm, and unit is bar/m
2.
Table 6
Inventor finds that the density when earthworm is 18/m unexpectedly
2the effect reducing PM2.5 when left and right is obvious especially.
Seven, adjust the diameter of the water retention ball in embodiment 1, other parameters are all identical with embodiment 1, utilize said method to carry out the detection of PM2.5.In table 7, " C " represents the diameter of water retention ball, and unit is mm.
Table 7
Inventor finds unexpectedly, when water retention ball diameter is between 30-40mm, reduces PM2.5 effect better, especially between 34-36mm, obtains beat all effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an ecological permeable paving, is characterized in that, comprises soil permeable layer (1), rubble aquifer (2), concrete bearing bed (3) and surface layer (4) from the bottom to top successively; Described soil permeable layer (1), earthworm (110) is manually set; Described rubble aquifer (2) comprises rubble and is dispersed in the multiple water retention balls (210) in rubble; Described concrete bearing bed (3) comprises water-permeable frame (310) and is filled in the inner concrete of water-permeable frame (310), (310) are vertically provided with multiple water-permeable pipe to described water-permeable frame, the top of described water-permeable pipe is passed surface layer (4) and is communicated with outside air, and the bottom of described water-permeable pipe is communicated with rubble aquifer (2).
2. a kind of ecological permeable paving according to claim 1, is characterized in that, the upper surface of described surface layer (4) is provided with many crisscross grooves (410).
3. a kind of ecological permeable paving according to claim 2, it is characterized in that, the top of described water-permeable pipe is positioned at groove (410).
4. a kind of ecological permeable paving according to claim 2, it is characterized in that, the width of described groove (410) is 8-16mm, and the degree of depth of described groove (410) is 2-5mm.
5. a kind of ecological permeable paving according to claim 1, it is characterized in that, the average diameter of described water-permeable pipe is 8-30mm, arranges according to every square metre of concrete bearing bed (3) distribution 30-120 water-permeable pipe.
6. a kind of ecological permeable paving according to claim 1, it is characterized in that, described water retention ball (210) comprise with permeable hole plastic casing and be positioned at the water-storage material of enclosure interior, the diameter of described water retention ball (210) is 20-60mm.
7. a kind of ecological permeable paving according to claim 1, it is characterized in that, the thickness of described rubble aquifer (2) is 100-800mm.
8. a kind of ecological permeable paving according to claim 1, it is characterized in that, the ratio of the volume summation of multiple water retention ball (210) and the volume of rubble aquifer (2) is 5% to 20%.
9. a kind of ecological permeable paving according to any one of claim 1 to 8, is characterized in that, places 8-30 bar earthworm (110) in every square metre of soil permeable layer (1).
10. the construction method in ecological permeable paving, is characterized in that, comprises the following steps:
1) by soil compression, soil pricks hole, earthworm (110) is put into Kong Zhonghou and buries soil, form soil permeable layer (1);
2) at soil permeable layer (1) upper berth rubble and multiple water retention ball (210), rubble aquifer (2) is formed;
3) water-permeable frame (310) is set on rubble aquifer (2), water-permeable frame (310) is provided with multiple water-permeable pipe, the bottom of water-permeable pipe is communicated with rubble aquifer (2), at water-permeable frame (310) inner concrete perfusion, form concrete bearing bed (3);
4) arrange surface layer (4) at the upper surface of concrete bearing bed (3), surface layer (4) is provided with groove (410), and the top of water-permeable pipe is passed groove (410) and is communicated with outside air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510959184.9A CN105484122A (en) | 2015-12-18 | 2015-12-18 | Ecological permeable pavement and construction method thereof |
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| CN106351105A (en) * | 2016-09-22 | 2017-01-25 | 南昌大学 | Porous pavement for sponge city |
| CN107313321A (en) * | 2017-08-10 | 2017-11-03 | 新沂市中诺新材料科技有限公司 | A kind of previous bituminous pavement structure |
| CN107338700A (en) * | 2017-06-30 | 2017-11-10 | 中国冶集团有限公司 | For strengthening the permeable structure of permeable pavement fastness |
| CN107447998A (en) * | 2017-07-28 | 2017-12-08 | 广西壮族自治区冶金建设公司 | A kind of concrete curing device and method |
| CN108103886A (en) * | 2018-01-17 | 2018-06-01 | 山东农业大学 | A kind of ecological permeable coagulation plate |
| CN108149538A (en) * | 2018-01-19 | 2018-06-12 | 长春市城市快速路管理维护有限责任公司 | A kind of concrete layer structure with permeable hole and its pour mold and casting method |
| CN110214754A (en) * | 2019-07-12 | 2019-09-10 | 王德发 | A kind of production method for the vermiculture brick that can plant plant |
| CN110761140A (en) * | 2019-10-25 | 2020-02-07 | 安徽亚顺工程管理有限公司 | Asphalt pavement and construction method thereof |
| CN111719374A (en) * | 2020-06-30 | 2020-09-29 | 山东大学 | Anti-blocking permeable pavement structure and construction process thereof |
| DE102022120632A1 (en) | 2022-08-16 | 2024-02-22 | Lutz Weiler | Road or sidewalk surface and process for its production |
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| CN110761140A (en) * | 2019-10-25 | 2020-02-07 | 安徽亚顺工程管理有限公司 | Asphalt pavement and construction method thereof |
| CN110761140B (en) * | 2019-10-25 | 2021-06-22 | 安徽亚顺工程管理有限公司 | Asphalt pavement and construction method thereof |
| CN111719374A (en) * | 2020-06-30 | 2020-09-29 | 山东大学 | Anti-blocking permeable pavement structure and construction process thereof |
| CN111719374B (en) * | 2020-06-30 | 2021-09-24 | 山东大学 | Anti-blocking permeable pavement structure and construction process thereof |
| DE102022120632A1 (en) | 2022-08-16 | 2024-02-22 | Lutz Weiler | Road or sidewalk surface and process for its production |
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