CN110016849B - Full-penetration asphalt pavement system capable of effectively controlling pavement rainwater runoff pollution - Google Patents
Full-penetration asphalt pavement system capable of effectively controlling pavement rainwater runoff pollution Download PDFInfo
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- CN110016849B CN110016849B CN201910429411.5A CN201910429411A CN110016849B CN 110016849 B CN110016849 B CN 110016849B CN 201910429411 A CN201910429411 A CN 201910429411A CN 110016849 B CN110016849 B CN 110016849B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 440
- 238000012544 monitoring process Methods 0.000 claims abstract description 119
- 238000003860 storage Methods 0.000 claims abstract description 72
- 239000010410 layer Substances 0.000 claims description 50
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- 230000001105 regulatory effect Effects 0.000 claims description 21
- 238000001764 infiltration Methods 0.000 claims description 20
- 230000008595 infiltration Effects 0.000 claims description 20
- 239000004576 sand Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 235000020681 well water Nutrition 0.000 claims description 14
- 239000002349 well water Substances 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000003204 osmotic effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
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- 238000001514 detection method Methods 0.000 claims description 3
- 239000003657 drainage water Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 15
- 238000004140 cleaning Methods 0.000 abstract description 13
- 230000002262 irrigation Effects 0.000 abstract description 10
- 238000003973 irrigation Methods 0.000 abstract description 10
- 238000011065 in-situ storage Methods 0.000 abstract description 9
- 239000003621 irrigation water Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000029087 digestion Effects 0.000 abstract description 3
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- 238000011069 regeneration method Methods 0.000 description 2
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- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
Abstract
The utility model provides a can effectively control road surface rainwater runoff pollution's complete formula bituminous paving system, solves the system that current complete formula bituminous paving exists and gives attention to nature poorly, can only permeate water and drain water after the establishment, can't exert its theoretical advantage, and road greening irrigates and the road surface cleaning operation water consumption is big problem. The road surface system solves the problem of in-situ digestion of road surface rainwater runoffs in the rainfall period by utilizing the runoff storage module, the runoff utilization module and the water quality monitoring module which are matched with the full-penetration asphalt road surface structure on the premise of ensuring that the road traffic function is not affected; meanwhile, the real-time monitoring of the conventional index of the regenerated runoff water quality is realized, the operation and maintenance scheme of the system is convenient to flexibly adjust, the water quality of sprinkling irrigation water and road surface cleaning water is further ensured, the road surface rainwater runoff pollution can be relieved, and the water problems of urban road greenbelt irrigation and road surface cleaning operation are effectively solved.
Description
Technical Field
The invention belongs to the technical field of municipal engineering, and particularly relates to a full-penetration asphalt pavement system which integrates the permeation, collection, purification, storage, reuse and water quality monitoring of pavement rainwater runoff, can relieve pavement rainwater runoff pollution, and can effectively solve the problems of urban road green land irrigation and pavement cleaning operation water and effectively control pavement rainwater runoff pollution.
Background
The traditional waterproof urban road is a main component of an urban water surface and is also a main place for generating pavement runoff and pollutants thereof. During sunny days, pollutants such as particles, nutritive salt, heavy metal, polycyclic aromatic hydrocarbon and the like accumulate on the road surface, and during rainfall, the pollutants are dissolved in the rainfall runoff and are discharged into a receiving water body through an urban drainage pipe network to migrate and spread, so that secondary pollution of the water body is caused. At present, for the management and control of urban road surface rainfall runoff pollution, the pollutant emission concentration is reduced by mainly combining engineering measures with non-engineering measures internationally, wherein low-impact development (Low Impact Development, LID for short) is the most representative. The permeable asphalt pavement is an important class in low-impact development facilities, and can be divided into a semi-permeable type and a full-permeable type according to different drainage modes.
As each structural layer of the fully-permeable asphalt pavement adopts a material with a large void ratio, the pavement structure is wholly made into an artificial porous medium, and pavement rainwater flows layer by layer through the communicating void inside the pavement structure and finally enters the soil base. In the process, the particles and other attached pollutants in the runoff are trapped by the communicating gaps layer by layer, so that the water quality of the runoff discharged from the road surface is obviously improved. Therefore, the full-penetration asphalt pavement has advantages over the semi-penetration asphalt pavement in the aspects of reducing the total amount of road surface runoff, reducing the runoff peak value, supplementing underground water, reducing the pollution load of road surface rainwater runoff, promoting the utilization of rainwater resources and the like, and also more accords with the sponge city construction concept. Meanwhile, the existing design method in China lacks of comprehensive consideration and system consideration, so that water can only permeate and drain after the pavement is built, and theoretical advantages of the pavement cannot be exerted.
In addition, the road greening irrigation and road surface cleaning operation consume a large amount of water each year, and the water saving technology can obviously reduce the water consumption and improve the water consumption efficiency, but a considerable amount of water still needs to be consumed each year; therefore, the use of reclaimed water instead of tap water currently used for performing the related operations is considered as an effective way to solve the contradiction. In addition, the effluent of urban sewage treatment plants is mainly used as a reclaimed water source at the current stage in China, and a special water supply network is paved for use, but the construction cost is high, so that the urban sewage treatment plants are difficult to popularize and apply on a large scale. There is a need for an improvement over the full penetration asphalt pavement systems of the prior art.
Disclosure of Invention
The invention aims at the problems, and provides the full-penetration asphalt pavement system which integrates the permeation, collection, purification, storage, reuse and water quality monitoring of the pavement rainwater runoff, can relieve the pavement rainwater runoff pollution, and can effectively solve the problems of urban road greenbelt irrigation and pavement cleaning operation water and effectively control the pavement rainwater runoff pollution.
The technical scheme adopted by the invention is as follows: this can effectively control full permeable asphalt pavement system of road surface rainwater runoff pollution is including being used for collecting and purifying the full permeable asphalt pavement structure of rainwater, its characterized in that: the full-permeable asphalt pavement structure is composed of a permeable asphalt mixture surface layer, a large-grain-size permeable asphalt mixture base layer, a single-grain-size broken stone aquifer, a first reverse filtering isolation layer and a medium coarse sand permeable cushion layer which are sequentially arranged from top to bottom, impermeable geotextiles are paved on two sides of the full-permeable asphalt pavement structure, and a permeable water pipe network is buried in the medium coarse sand permeable cushion layer; the method comprises the steps that regenerated runoffs formed after rainwater collected by a full-penetration asphalt pavement structure is decontaminated are discharged into a runoff storage module, and a runoff discarding well is arranged in the runoff storage module; the permeable water delivery pipe network of the full-permeable asphalt pavement structure is communicated with a water inlet for inputting regenerated runoff, which is arranged on a runoff discarding well of the runoff storage module; the overflow port and the drainage port of the drainage well are respectively communicated with the municipal rainwater pipe network, and a first water valve is arranged between the water inlet of the drainage well and the water outlet of the seepage water conveying pipe network; the water outlet on the waste well for discharging the regenerated runoff is sequentially connected with the water storage tank and the runoff utilization module for carrying out on-site secondary utilization on the regenerated runoff; the full-penetration asphalt pavement structure is characterized in that a water quality monitoring module for monitoring the purifying effect of the collected rainwater runoffs and the water quality condition of the regenerated runoffs discharged out of the pavement structure is further arranged in the full-penetration asphalt pavement structure, and the water quality monitoring module is in wireless connection with the computer control module through a data transmission network.
The permeable water delivery pipe network embedded in the medium coarse sand permeable cushion layer of the full permeable asphalt pavement structure comprises a permeable water delivery main pipe and a permeable water delivery branch pipe which are arranged along the center line direction of the full permeable asphalt pavement; the infiltration water delivery main pipe and the infiltration water delivery branch pipe are mutually communicated through a cross-shaped four-way pipe fitting, and the cross-shaped four-way pipe fitting is arranged at the middle section of the infiltration water delivery branch pipe; one end of the seepage water delivery branch pipe is provided with a branch pipe cover, and the other end of the seepage water delivery branch pipe is provided with a water outlet communicated with the water inlet of the abandoned flow well; the permeable water delivery branch pipe is obliquely arranged, and one end of the permeable water delivery branch pipe, which is provided with a branch pipe cover, is higher than one end of the permeable water delivery branch pipe, which is provided with a water outlet, in the vertical direction; meanwhile, the communication end of the water outlet of the penetrating water delivery branch pipe and the water inlet of the abandoned flow well extends out of the edge line of the full-penetrating asphalt pavement.
The drainage well of the runoff storage module comprises a well body, a cover plate is arranged at the top of the well body, a drainage well water inlet and an overflow port are arranged at the upper edge of the side wall of the well body, a drainage well water outlet is arranged at the lower edge of the side wall of the well body, a drainage port is arranged at the central position of the bottom wall of the well body, and a drainage water valve is arranged outside the drainage port; the water outlet of the drainage well is communicated with the water inlet of the water storage tank, and the water inlet of the water storage tank is communicated with the water storage tank; the edge of the bottom of the side wall of the water storage tank is provided with a water storage tank outlet which is connected with an inlet of the runoff utilization module; and the drainage well is positioned below the horizontal plane where the permeation water delivery pipe network is positioned, and the water storage pool is positioned below the horizontal plane where the drainage well water outlet is positioned.
A water level measuring sleeve is arranged in the water storage tank, the water level measuring sleeve penetrates through the top wall of the water storage tank to extend to the bottom of the water storage tank, and a water level measuring sleeve cover is arranged at the top end of the water level measuring sleeve; the water level measuring instrument sleeve is internally provided with a second water level measuring instrument which stretches into the bottom of the water storage tank, and the second water level measuring instrument is in wireless connection with the computer control module through a data transmission network.
The runoff utilization module comprises a booster pump, the water inlet end of the booster pump is communicated with the water outlet of the water storage tank through a water delivery main pipe, and a second water valve is arranged at the joint of the water delivery main pipe and the water outlet of the water storage tank; the water outlet end of the booster pump is communicated with a water delivery main pipe, and the water delivery main pipe passes through a water quality monitoring box for monitoring the water quality data of the regenerated runoff in the main pipe; meanwhile, the water delivery main pipe is communicated with a plurality of water delivery branch pipes, each water delivery branch pipe is provided with a plurality of spray heads, and the spray heads are distributed on the surface of the road green belt.
The water delivery main pipe is provided with a check valve, and the water delivery main pipe is provided with a flow valve, a pressure regulating valve and a three-way regulating valve; a second turbidity sensor, a pH value sensor and a temperature sensor are arranged in the water quality monitoring box; the flow valve, the pressure regulating valve, the three-way regulating valve, the second turbidity sensor, the pH value sensor and the temperature sensor are all in wireless connection with the computer control module through a data transmission network.
The water quality monitoring module comprises a monitoring well pipe, wherein the monitoring well pipe is vertically embedded in the full-penetration asphalt pavement structure, and a monitoring well cover is arranged at the top end of the monitoring well pipe; the bottom end of the monitoring well pipe is communicated with a seepage water delivery pipe network through a T-shaped tee pipe fitting, and a first turbidity sensor and a multi-parameter sensor are arranged at the edge of the lower part of the inner side of the monitoring well pipe; the water sample collecting device and the first water level measuring instrument are arranged at the communication part of the osmotic water delivery pipe network and the monitoring well pipe; the first turbidity sensor, the multi-parameter sensor and the first water level measuring instrument are all in wireless connection with the computer control module through a data transmission network.
The monitoring well pipe comprises a water quality monitoring well main well pipe and a water quality monitoring well auxiliary well pipe, and the water quality monitoring well auxiliary well pipe is tightly contacted with the side wall of the water quality monitoring well main well pipe; the water quality monitoring well main well pipe is communicated with the seepage water conveying pipe network through a T-shaped three-way pipe fitting, and the water quality monitoring well main well cover is arranged at the top end of the water quality monitoring well main well pipe; the top end of the water quality monitoring well auxiliary well pipe is provided with a water quality monitoring well auxiliary well cover.
The first turbidity sensor and the multi-parameter sensor are embedded on the side wall of the main well pipe of the water quality monitoring well, the detection parts of the first turbidity sensor and the multi-parameter sensor are positioned in the main well pipe of the water quality monitoring well, and the first turbidity sensor and the multi-parameter sensor are connected with the computer control module in a wired manner through a data transmission line; a data transmission line which is communicated with the first turbidity sensor and the multi-parameter sensor passes through an auxiliary well pipe of the water quality monitoring well; the first water level measuring instrument is arranged in the main well pipe of the water quality monitoring well, the first water level measuring instrument is connected with the computer control module in a wired way through a data transmission line, and the data transmission line communicated with the first water level measuring instrument penetrates through the main well pipe of the water quality monitoring well; the water sample collecting device comprises a telescopic pull rod, and a second hook and a third hook are respectively arranged at two ends of the telescopic pull rod; the second hook of the telescopic pull rod is detachably connected with the first hook fixedly installed on the edge of the top end of the inner wall of the main well pipe of the water quality monitoring well, and the third hook of the telescopic pull rod is detachably connected with the water sample collecting bottle.
The invention has the beneficial effects that: the full-penetration asphalt pavement structure in the pavement system has the pavement performance, water permeability and water storage capacity, and also has lasting and stable removal capacity for suspended particulate matters of target pollutants and heavy metals such as lead and zinc. In addition, a runoff storage module, a runoff utilization module and a water quality monitoring module which are matched with the full-penetration asphalt pavement structure are designed, so that the problem of in-situ digestion of the pavement rainwater runoffs during rainfall is solved on the premise of ensuring that the road traffic function is not affected; meanwhile, the real-time monitoring of the conventional index of the regenerated runoff water quality is realized, the operation and maintenance scheme of the system is convenient to flexibly adjust, the water quality of the sprinkling irrigation water and the water for cleaning the pavement is further ensured, and the occurrence of secondary pollution is effectively avoided. The abandoned flow well in the pavement system has the functions of control and flow guide, and when the flow rate of water in the abandoned flow well is large or the water storage tank is full, redundant water can be discharged into a municipal rainwater pipe network. In addition, the runoff water sample collection device of the pavement system is convenient for workers to perform regular or irregular on-site sampling analysis, is favorable for grasping the working state of the full-penetration asphalt pavement structure, and provides reliable information for adjusting maintenance and repair schemes. Most of the components in the system are embedded, do not occupy the land, and do not influence urban road landscapes after the system is built.
The full-penetration asphalt pavement system capable of effectively controlling the pollution of the pavement rainwater runoff has comprehensive functions, can orderly finish the works such as in-situ infiltration, in-situ collection, in-situ purification, in-situ reuse, conventional water quality monitoring and the like of the pavement rainwater runoff under the condition of not adding other facilities, saves the construction cost of matched facilities, and is favorable for popularization and application. The regenerated runoff in the pavement system can be used as water for road greening irrigation or water for pavement cleaning operation, so that the construction cost of a regenerated water pipeline is saved, the use threshold of the regenerated runoff is reduced, and the pavement system is very suitable for popularization and application as urban infrastructure supporting facilities. Meanwhile, the road surface system structural scheme can be correspondingly adjusted according to different rainfall conditions of project use places or different design targets, the method is simple and feasible, and the adaptability of the system to the environment is greatly improved.
The full-penetration asphalt pavement system integrates permeation, collection, purification, storage, reuse and water quality monitoring of pavement rainwater runoff, has simple design and is convenient for construction and maintenance; the method not only relieves the problem of road surface rainwater runoff pollution which puzzles urban sustainable development and breaks through the design and application bottleneck of the full-penetration asphalt road surface, but also solves the water use problem of urban road greenbelt irrigation and road surface cleaning operation to a great extent.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic view of a structure of the full-penetration asphalt pavement of fig. 2.
Fig. 4 is a schematic plan layout of the permeate water tube in fig. 3.
Fig. 5 is a schematic cross-sectional view of fig. 4.
Fig. 6 is a schematic diagram of a configuration of the reject well of fig. 2.
Fig. 7 is a schematic view of a structure of the water tank of fig. 2.
FIG. 8 is a schematic diagram of a water quality monitoring module of FIG. 2.
Fig. 9 is a cross-sectional view of fig. 8 taken along line i-i.
Fig. 10 is a cross-sectional view taken along line ii-ii of fig. 8.
Fig. 11 is a schematic view of a structure of the manhole cover of fig. 8.
FIG. 12 is a schematic illustration of an arrangement of the turbidity sensor and the multi-parameter sensor of FIG. 2.
The serial numbers in the figures illustrate: 1 full-penetration asphalt pavement structure, 2 road green belt, 3 water quality monitoring module, 4 runoff storage module, 5 runoff utilization module, 6 computer control module, 7 water permeable asphalt mixture surface layer, 8 large-grain water permeable asphalt mixture base layer, 9 single-grain broken stone water storage layer, 10 first reverse filtering isolation layer, 11 middle coarse sand water permeable cushion layer, 12 impermeable geotechnical cloth, 13 permeable water delivery pipe network, 14 water sample collecting device, 15 first water level measuring instrument, 16 monitoring well pipe, 17 monitoring well cover, 18 first turbidity sensor, 19 multi-parameter sensor, 20 first water valve, 21 data transmission network, 22 water level measuring instrument sleeve pipe cover, 23 shower nozzle, 24 flow valve, 25 pressure regulating valve, 26 water delivery branch pipe, 27 three-way regulating valve, 28 water quality monitoring box, 29 second turbidity sensor, 30 pH value sensor, 31 temperature sensor, 32 water delivery main pipe, and 33 booster pump, 34 check valve, 35 water delivery main pipe, 36 flow well, 37 flow well water inlet, 38 overflow port, 39 flow well water outlet, 40 flow water outlet, 41 flow water valve, 42 water storage tank, 43 second reverse filtration isolation layer, 44 water storage tank water inlet, 45 water level measuring instrument sleeve, 46 second water level measuring instrument, 47 water storage tank water outlet, 48 second water valve, 49 full-permeable asphalt pavement central line, 50 full-permeable asphalt pavement border, 51 permeable water delivery main pipe, 52 permeable water delivery branch pipe, 53 branch pipe cover, 54 cross four-way pipe fitting, 55 branch pipe water outlet, 56 well body, 57 cover plate, 58 first hook, 59 second hook, 60 third hook, 61 water sample acquisition bottle, 62 data transmission line, 64T three-way pipe fitting, 65 water quality monitoring well pipe and 66 water quality monitoring well auxiliary well cover, 67 water quality monitoring well main well cover, 68 water quality monitoring well auxiliary well lid.
Detailed Description
The specific structure of the present invention will be described in detail with reference to fig. 1 to 12. The full-penetration asphalt pavement system capable of effectively controlling the pollution of the road surface rainwater runoff comprises a full-penetration asphalt pavement structure 1, a water quality monitoring module 3, a runoff storage module 4, a runoff utilization module 5 and a computer control module 6. The full-permeable asphalt pavement structure 1 comprises a permeable asphalt mixture surface layer 7, a large-grain-size permeable asphalt mixture base layer 8, a single-grain-size broken stone water storage layer 9, a first reverse filtration isolation layer 10 and a medium coarse sand permeable cushion layer 11 which are sequentially arranged from top to bottom, wherein impermeable geotechnical cloth 12 is paved on two sides of the full-permeable asphalt pavement structure 1, and a permeable water delivery pipe network 13 is buried in the medium coarse sand permeable cushion layer 11; the infiltration water delivery pipe network 13 is communicated with a water inlet 37 of the waste water well, and a first water valve 20 is arranged at the water inlet 37 of the waste water well.
The permeate water pipe network 13 includes permeate water main pipe 51 and permeate water branch pipe 52 that follow full permeable asphalt pavement central line 49 direction set up, permeate water main pipe 51 and permeate water branch pipe 52 communicate each other through cross pipe spare 54, cross pipe spare 54 sets up the middle section position at permeate water branch pipe 52, permeate water branch pipe 52 one end is provided with branch pipe tube cap 53, the other end is branch pipe delivery port 55 and abandon the water inlet 37 intercommunication of flow well, permeate water branch pipe 52 slope setting, permeate water branch pipe 52 is provided with branch pipe tube cap 53 one end in the vertical direction and is higher than permeate water branch pipe 52 and abandon the water inlet 37 intercommunication one end, permeate water branch pipe 52 and abandon the communication end of flow well water inlet 37 and stretch out full permeable asphalt pavement sideline 50.
According to specific use requirements, the permeable asphalt mixture surface layer 7 is made of PAC-16 permeable asphalt mixture, and the thickness is between 50 and 100 mm; the large-particle-size water-permeable asphalt mixture base layer 8 is made of LSPM-25 large-particle-size water-permeable asphalt mixture, and the thickness is 100-150 mm. The PAC-16 permeable asphalt mixture and the LSPM-25 large-particle-size permeable asphalt mixture are both high-viscosity modified asphalt, and the dynamic viscosity at 60 ℃ is not less than 60000 Pa.s; sundries are prevented from being mixed in the construction process, so that the use effect of the system is affected. The single-grain-diameter broken stone aquifer 9 adopts limestone broken stone aggregate with grain diameter of 13.2mm or 16.0mm, and the thickness is between 350 and 500 mm; the limestone gravels are sufficiently cleaned, dried and dustproof before use, and other gravels or sundries are prevented from being mixed in the construction process, so that the use effect of the system is affected. Wherein the thickness of the permeable asphalt mixture surface layer 7, the large-grain-size permeable asphalt mixture base layer 8 and the single-grain-size broken stone aquifer 9 can be determined according to the rainfall condition or design requirement of the project.
The first reverse filtering isolation layer 10 of the full-permeable asphalt pavement structure 1 adopts clean permeable geotextile to lay two layers from bottom to top; the permeable geotextile uses polyester staple fiber needled geotextile. The medium coarse sand permeable cushion layer 11 is paved by machine-made sand or river sand, and the thickness is 210mm; and fully cleaning and drying the machine-made sand or river sand before laying. Two layers of layers are paved during construction, the paving thickness of the lower layer is 50mm, and the paving thickness of the upper layer is 160mm; meanwhile, other aggregates or sundries are prevented from being mixed in the construction process, so that the use effect of the system is affected. The full permeable asphalt pavement structure 1 is integrally paved in a roadbed with a layer of impermeable geotextile 12 paved on two sides, and in order to avoid the influence of the rainwater runoff permeated into the soil on the strength and stability of the roadbed, a layer of impermeable geotextile is paved at the slope toe of the roadbed according to an L shape.
The infiltration water delivery pipe network 13 buried in the medium coarse sand water delivery cushion layer 11 comprises an infiltration water delivery main pipe 51 and an infiltration water delivery branch pipe 52, wherein the infiltration water delivery main pipe 51 and the infiltration water delivery branch pipe 52 are all laid in a dendritic mode, a unidirectional transverse slope of 1.0% -1.5% towards one side direction of a green road is integrally maintained, the infiltration water delivery branch pipe 52 is connected into a abandoned flow well 36 laid along the road every 30-50 m, and a cross-shaped four-way pipe fitting 54 is made of PP material. The opening and closing of the first water valve 20 disposed within the reject well water inlet 37 may be remotely controlled by the computer control module 6. In normal rainfall weather, the first water valve 20 is in a closed state, and the full-penetration asphalt pavement structure 1 is in a water purification mode; when the runoff water quality inside the full-penetration asphalt pavement structure 1 is monitored to meet the discharge requirement, the first water valve 20 is opened, so that the full-penetration asphalt pavement structure 1 is converted from a water purification mode to a quick discharge mode, and the regenerated runoff can be discharged into the runoff storage module. The regenerated runoff is the rainwater runoff which is deeply purified by the full-penetration asphalt pavement structure 1 and meets the water quality requirement.
The osmotic water delivery main pipe 51 and the osmotic water delivery branch pipe 52 of the osmotic water delivery pipe network 13 are PP pipes with nominal diameter of 160mm, and a plurality of through holes with diameter of 10mm are arranged on the pipe wall. The laying work of the main osmotic water delivery pipe 51 and the branch osmotic water delivery pipe 52 is started after the lower layer construction of the middle coarse sand permeable cushion layer 11 is completed, and a layer of clean permeable geotextile is wrapped on the outer wall of the pipe during laying; and after the permeable water pipe is paved, continuing paving the upper layer of the middle coarse sand permeable cushion layer 11.
The water quality monitoring module 3 comprises a monitoring well pipe 16, the monitoring well pipe 16 is vertically embedded in the full-penetration asphalt pavement structure 1, the bottom end of the monitoring well pipe 16 is communicated with a seepage water conveying pipe network 13 through a T-shaped tee pipe fitting 64, a first turbidity sensor 18 (such as a 485 type turbidity sensor in Hua control industry) and a multi-parameter sensor 19 (such as a CPS11D type multi-parameter sensor in Endress+Hauser) are arranged at the bottom edge of the well pipe 16, a water sample collecting device 14 (such as a Grassip CG-00 series water sample collecting device) and a first water level measuring instrument 15 (such as an WH311 type water level measuring instrument in Oriental ten thousand) are arranged at the communication position of the seepage water conveying pipe network 13 and the monitoring well pipe 16, the first turbidity sensor 18, the multi-parameter sensor 19 and the first water level measuring instrument 15 are all in wireless connection with the computer control module 6 through a data transmission network 21, and the monitoring well cover 17 is arranged at the top end of the monitoring well pipe 16. The monitoring well pipe 16 comprises a water quality monitoring well main well pipe 65 and a water quality monitoring well auxiliary well pipe 66, the water quality monitoring well auxiliary well pipe 66 is tightly contacted with the side wall of the water quality monitoring well main well pipe 65, the water quality monitoring well main well pipe 65 is communicated with the osmotic water delivery pipe network 13 through a T-shaped three-way pipe fitting 64, a water quality monitoring well main well cover 67 is arranged at the top end of the water quality monitoring well main well pipe 65, and a water quality monitoring well auxiliary well cover 68 is arranged at the top end of the water quality monitoring well auxiliary well pipe 66.
The first turbidity sensor 18 and the multi-parameter sensor 19 are embedded on the side wall of the main well pipe 65 of the water quality monitoring well, the detection parts of the first turbidity sensor 18 and the multi-parameter sensor 19 are arranged in the main well pipe 65 of the water quality monitoring well (the sensor needs to keep an elevation angle of at least 15 degrees with the horizontal direction when being installed), and the first turbidity sensor 18 and the multi-parameter sensor 19 are connected with the computer control module 6 in a wired manner through the data transmission line 63. The data transmission line 63 communicated with the first turbidity sensor 18 and the multi-parameter sensor 19 passes through the auxiliary well pipe 66 of the water quality monitoring well, the first water level measuring instrument 15 is arranged in the main well pipe 65 of the water quality monitoring well, the first water level measuring instrument 15 is connected with the computer control module 6 in a wired manner through the data transmission line 63, and the data transmission line 63 communicated with the first water level measuring instrument 15 passes through the main well pipe 65 of the water quality monitoring well. The water sample collection device 14 comprises a telescopic pull rod 62, a second hook 59 and a third hook 60 are respectively arranged at two ends of the telescopic pull rod 62, the second hook 59 is detachably connected with the first hook 58, the first hook 58 is fixedly arranged at the top edge of the inner wall of a main well pipe 65 of the water sample monitoring well, and the third hook 60 is detachably connected with a water sample collection bottle 61.
The monitoring well pipe 16 of the water quality monitoring module 3 is a combined monitoring well, the main well pipe 65 of the water quality monitoring well is hollow cylindrical, the auxiliary well pipe 66 of the water quality monitoring well is hollow polygonal cylindrical, the main well pipe 65 of the water quality monitoring well is a PP pipe with the nominal diameter of 160mm, and the top of the monitoring well pipe 16 is 15mm higher than the design elevation of the full-penetration asphalt pavement after the construction of the monitoring well pipe is finished. The water quality monitoring module is arranged at one position every 1000-1500 m along the road, and the road with the length smaller than 1500m can be arranged at one position in the middle section of the road. The T-shaped three-way pipe fitting 64 is made of PP material, the first hook 58 is fixedly arranged at the upper edge of the inner side wall of the main well pipe 65 of the water quality monitoring well, the top end of the telescopic pull rod 62 is hung on the first hook 58, and the water sample collection bottle 61 hung at the bottom end of the telescopic pull rod 62 can collect a regenerated runoff sample in the permeable water conveying pipe network 13. The telescopic pull rod 62 can facilitate the collection personnel to take out the water sample collection bottle 61.
The runoff storage module 4 comprises a waste well 36 and a water storage tank 42, the waste well 36 comprises a well body 56, a cover plate 57 is arranged on the top of the well body 56, and the well body 56 and the cover plate 57 are made of PP materials. The upper edge of the side wall of the well body 56 is provided with a waste water well water inlet 37 and an overflow port 38, and the lower edge of the side wall of the well body 56 is provided with a waste water well water outlet 39; the center position of the bottom wall of the well body 56 is provided with a drainage port 40, a drainage water valve 41 is arranged outside the drainage port 40, a drainage well water outlet 39 is communicated with a water storage tank water inlet 44, and the water storage tank water inlet 44 is communicated with the water storage tank 42. The bottom edge of the side wall of the water storage tank 42 is provided with a water storage tank water outlet 47, and a second water valve 48 is arranged at the water storage tank water outlet 47; a water level gauge sleeve 45 extends through the top wall of the tank 42 to the bottom of the tank 42. The first water valve, the waste water valve and the second water valve are all in wireless connection with the computer control module through a data transmission network.
The second water level measuring instrument 46 is arranged in the water level measuring instrument sleeve 45, the water level measuring instrument sleeve 45 is a PP sleeve, the water level measuring instrument sleeve 45 is vertically arranged, and the top is provided with a water level measuring instrument sleeve cover 22 made of PP material; and after the construction is finished, the top of the sleeve pipe cover 22 of the water level measuring instrument is higher than the ground elevation of the road green belt by 15mm. When the computer control module 6 detects that the water level in the water storage tank 42 is too low to meet the requirements of the sprinkling irrigation or road cleaning operation and sends out a warning signal, the staff can start other water sources in time. A second water level gauge 46 (e.g., the WH311 model of eastern ten) is wirelessly connected to the computer control module 6 through the water level gauge sleeve 45 via the data transmission network 21. And, the abandoned flow well 36 is positioned below the water level of the infiltration water delivery network 13, and the water storage tank 42 is positioned below the water level of the abandoned flow well water outlet 39.
The drainage port 40 of the drainage well 36 is communicated with a municipal rainwater pipeline, and a drainage valve 41 which can be opened and closed by the computer control module 6 in a remote control mode is arranged. In normal rainfall weather, the waste water valve 41 is in a closed state, the waste water well 40 is in a transfer mode, and the regenerated runoff can be directly discharged into the water storage tank 42 after the first water valve 20. In abnormal rainfall weather, the drainage valve 41 and the first water valve 20 are required to be opened simultaneously, so that the full-penetration asphalt pavement structure is converted into a quick drainage mode, at this time, rainwater penetrating into the pavement structure is directly discharged into a municipal rainwater pipe network by the drainage well 36, thereby ensuring that no runoff is generated on the pavement, and simultaneously ensuring the safety of system operation. The drainage well 36, the water storage tank 42 and the water level measuring instrument sleeve 44 are all buried in the road green belt 2; and the side wall of the water storage tank 42 is of a mesh structure, and a second reverse filtration isolation layer 43 is paved outside the side wall of the water storage tank 42.
The runoff utilization module 5 comprises a booster pump 33, the water inlet end of the booster pump 33 is communicated with a water outlet 47 of the water storage tank through a water delivery main pipe 35, the water outlet end of the booster pump 33 is communicated with a water delivery main pipe 32, and the water delivery main pipe 32 passes through the water quality monitoring box 28. The water quality monitoring box 28 is used for monitoring water quality data in the water delivery main pipe 32, the water delivery main pipe 32 is communicated with a plurality of water delivery branch pipes 26, each water delivery branch pipe 26 is communicated with a plurality of spray heads 23, and the spray heads 23 are distributed on the surface of the road green belt 2. A check valve 34 is arranged in the water delivery main pipe 35, and a flow valve 24, a pressure regulating valve 25 and a three-way regulating valve 27 are arranged in the water delivery main pipe 32. The water quality monitoring tank 28 is internally provided with a second turbidity sensor 29 (such as a 485 type turbidity sensor in Hua control industry), a pH value sensor 30 (such as a HSTL-PH02 type pH value sensor in Hua control industry) and a temperature sensor 31 (such as a HSTL-103 type temperature sensor in Hua control industry); the flow valve 24, the pressure regulating valve 25, the three-way regulating valve 27, the second turbidity sensor 29, the pH value sensor 30 and the temperature sensor 31 are all wirelessly connected with the computer control module 6 through the data transmission network 21.
The water storages 42 are PP module water storages, each group of module water storages 42 are formed by combining a plurality of single modules into a strip shape to be paved along a road, and the thickness of the top earthing is about 0.8-1.0 m; the water storage rate is not less than 95%, and the specific water storage volume is determined according to rainfall conditions or design requirements of project use. The second reverse filtration isolation layer 43 paved outside the side wall of the water storage tank 42 adopts clean permeable geotextile, and 2-4 layers are wrapped outside the PP module water storage tank; the specific wrapping layer number of the permeable geotextile is determined according to the permeability coefficient of the project-used road greening belt soil, namely: the larger the permeability coefficient is, the more the number of layers of the permeable geotechnical cloth is; conversely, the smaller the soil permeability coefficient is, the fewer the number of layers of permeable geotechnical cloth is. Meanwhile, when the second water valve 48 is in a closed state under the remote control of the computer control module 6, the regenerated runoff in the PP module reservoir can only slowly permeate into the surrounding soil through the reverse filtration isolation layer 2.
The three-way regulating valve 27 of the main water supply pipe 32 is an electric diverter valve, and the regenerated runoff in the main water supply pipe 32 can be selectively conveyed to the water supply branch pipe 26 for road greenbelt irrigation through the opening direction of the remote control valve, or injected into a water tank of a street washing vehicle or a washing device for road washing through an external drainage hose. The size of the joint and the joint of the external drainage hose are respectively matched with the external joint of the three-way regulating valve 27 and the water filling port of the water tank of the street washing vehicle or the washing device. When the regeneration runoff is needed to be used for road surface flushing operation, the external interface of the drainage hose and the three-way regulating valve 27 and the water injection port of the water tank are well connected, the opening direction of the three-way regulating valve 27 and the lifting pressure of the booster pump 33 are well set, the second water valve 48 and the booster pump 33 are sequentially opened, and the regeneration runoff stored in the PP module water storage tank can be directly injected into the water tank of the street flushing vehicle or the flushing device. When the regenerative runoff is required to be used for road green land irrigation operation, the opening direction of the three-way regulating valve 27 and the lifting pressure of the booster pump 33 are set, then the second water valve 48 and the booster pump 33 are sequentially arranged, and the regenerative runoff stored in the PP module water storage tank can be directly conveyed to each water delivery branch pipe for road green land sprinkling irrigation operation.
It will be appreciated that the purpose of providing the check valve 34 in the main water pipe 35 of the runoff utilization module 5 is to ensure that the regenerated runoff in the pipe will not flow back to the reservoir 42 by gravity after the booster pump 33 has stopped operating. The second turbidity sensor 29, the pH value sensor 30 and the temperature sensor 31 in the water quality monitoring box 28 are all installed in an immersed mode, water quality indexes such as turbidity, pH value and temperature of regenerated runoff in the water delivery main pipe 32 are monitored in real time, monitoring data are transmitted to the computer control module 6 on line in real time through the data transmission network 21, and the water quality condition of sprinkling irrigation water is timely obtained by comparing the index values with standard specified values. And, the operating states of the booster pump 33 and the three-way regulating valve 27 can be remotely controlled by the computer control module 6, and the operating states and the operating parameters can be checked or set by the computer control module 6. The flow valve and the pressure regulating valve are respectively connected with the computer control module 6 through a data transmission line, and the flow and the water pressure of the regenerated runoff in each water delivery branch pipe can be monitored through the computer control module 6.
The full-penetration asphalt pavement system capable of effectively controlling the pollution of the pavement rainwater runoff has comprehensive functions, is used for the construction of urban pavement sidewalks and non-motor vehicle lanes, ensures that the road traffic capacity is not affected, solves the problem of in-situ digestion of the pavement rainwater runoff during rainfall, realizes in-situ storage and in-situ recycling of the regenerated runoff, effectively prevents the pollution runoff from causing secondary pollution to the surrounding environment, and is a breakthrough of the full-penetration asphalt pavement technology. Meanwhile, the system adopts the full-penetration asphalt pavement structure capable of effectively reducing the pollution load of the pavement rainwater runoff as a facility for purifying the pavement rainwater runoff, so that the fund of purchasing water purifying equipment by one-time investment is saved, and the main bottleneck of the full-penetration asphalt pavement technology application is broken through. Moreover, the water quality monitoring equipment provided by the system realizes the real-time on-line monitoring of the working state of the full-penetration asphalt pavement and the conventional index of the regenerated runoff water quality, not only ensures the water quality of the road greenbelt sprinkling irrigation water, the road cleaning operation water and the underground seepage, but also provides scientific and effective information for the operation, the maintenance and the repair of the system. In addition, the regenerated runoff in the system can be directly used as irrigation water for road greenbelts and water for road cleaning operation, so that construction cost of regenerated water pipelines is saved, the utilization rate of the regenerated runoff is improved, and meanwhile, consumption of tap water is reduced, so that the system is beneficial to popularization and application.
Claims (6)
1. The utility model provides a can effectively control full permeable asphalt pavement system of road surface rainwater runoff pollution, includes that is used for collecting and purifies full permeable asphalt pavement structure (1), its characterized in that: the full-permeable asphalt pavement structure (1) is composed of a permeable asphalt mixture surface layer (7), a large-particle-size permeable asphalt mixture base layer (8), a single-particle-size broken stone water storage layer (9), a first reverse filtration isolation layer (10) and a medium coarse sand permeable cushion layer (11) which are sequentially arranged from top to bottom, impermeable geotechnical cloth (12) is laid on two sides of the full-permeable asphalt pavement structure (1), and a permeable water conveying pipe network (13) is buried in the medium coarse sand permeable cushion layer (11); the method comprises the steps that regenerated runoffs formed after rainwater collected by a full-penetration asphalt pavement structure (1) is decontaminated are discharged into a runoff storage module (4), and a waste flow well (36) is arranged in the runoff storage module (4); the permeable water delivery pipe network (13) of the full-permeable asphalt pavement structure (1) is communicated with a water inlet for inputting regenerated runoff, which is arranged on a waste flow well (36) of the runoff storage module (4); an overflow port (38) and an overflow port (40) of the drainage well (36) are respectively communicated with a municipal rainwater pipe network, and a first water valve (20) is arranged between a water inlet (37) of the drainage well and a water outlet of the infiltration water conveying pipe network (13); a water outlet on the waste well (36) for discharging the regenerated runoff is sequentially connected with a water storage tank (42) and a runoff utilization module (5) for carrying out on-site secondary utilization on the regenerated runoff; the full-penetration asphalt pavement structure (1) is internally provided with a water quality monitoring module (3) for monitoring the purification effect of the collected rainwater runoff and the water quality condition of the regenerated runoff discharged from the pavement structure, and the water quality monitoring module (3) is in wireless connection with a computer control module (6) through a data transmission network (21); the water quality monitoring module (3) comprises a monitoring well pipe (16), wherein the monitoring well pipe (16) is vertically buried in the full-penetration asphalt pavement structure (1), and a monitoring well cover (17) is arranged at the top end of the monitoring well pipe (16); the bottom end of the monitoring well pipe (16) is communicated with the osmotic water delivery pipe network (13) through a T-shaped tee pipe fitting (64), and a first turbidity sensor (18) and a multi-parameter sensor (19) are arranged at the lower edge of the inner side of the monitoring well pipe (16); moreover, a water sample collecting device (14) and a first water level measuring instrument (15) are arranged at the communication part of the infiltration water delivery pipe network (13) and the monitoring well pipe (16); the first turbidity sensor (18), the multi-parameter sensor (19) and the first water level measuring instrument (15) are all connected with the computer control module (6) in a wireless mode through a data transmission network (21); the monitoring well pipe (16) comprises a water quality monitoring well main well pipe (65) and a water quality monitoring well auxiliary well pipe (66), and the water quality monitoring well auxiliary well pipe (66) is tightly contacted with the side wall of the water quality monitoring well main well pipe (65); the water quality monitoring well main well pipe (65) is communicated with the permeation water delivery pipe network (13) through a T-shaped tee pipe fitting (64), and a water quality monitoring well main well cover (67) is arranged at the top end of the water quality monitoring well main well pipe (65); the top end of the water quality monitoring well auxiliary well pipe (66) is provided with a water quality monitoring well auxiliary well cover (68); the first turbidity sensor (18) and the multi-parameter sensor (19) are embedded on the side wall of the main well pipe (65) of the water quality monitoring well, the detection parts of the first turbidity sensor (18) and the multi-parameter sensor (19) are positioned in the main well pipe (65) of the water quality monitoring well, and the first turbidity sensor (18) and the multi-parameter sensor (19) are connected with the computer control module (6) in a wired manner through the data transmission line (63); a data transmission line (63) in communication with the first turbidity sensor (18) and the multi-parameter sensor (19) passing through a water quality monitoring well auxiliary well pipe (66); the first water level measuring instrument (15) is arranged in the water quality monitoring well main well pipe (65), the first water level measuring instrument (15) is connected with the computer control module (6) in a wired mode through the data transmission line (63), and the data transmission line (63) communicated with the first water level measuring instrument (15) penetrates through the water quality monitoring well main well pipe (65); the water sample collecting device (14) comprises a telescopic pull rod (62), and a second hook (59) and a third hook (60) are respectively arranged at two ends of the telescopic pull rod (62); the second hook (59) of the telescopic pull rod (62) is detachably connected with the first hook (58) fixedly arranged at the top edge of the inner wall of the main well pipe (65) of the water quality monitoring well, and the third hook (60) of the telescopic pull rod (62) is detachably connected with the water sample collecting bottle (61).
2. The fully permeable asphalt pavement system for effectively controlling the pollution of the rainfall runoff of pavement according to claim 1, wherein: the permeable water delivery pipe network (13) embedded in the medium coarse sand permeable cushion layer (11) of the full-permeable asphalt pavement structure (1) comprises a permeable water delivery main pipe (51) and a permeable water delivery branch pipe (52) which are arranged along the direction of the center line (49) of the full-permeable asphalt pavement; the infiltration water delivery main pipe (51) and the infiltration water delivery branch pipe (52) are mutually communicated through a cross-shaped four-way pipe fitting (54), and the cross-shaped four-way pipe fitting (54) is arranged at the middle section of the infiltration water delivery branch pipe (52); one end of the penetrating water delivery branch pipe (52) is provided with a branch pipe cover (53), and the other end of the penetrating water delivery branch pipe (52) is a water outlet communicated with a water inlet (37) of the abandoned flow well; the infiltration water delivery branch pipe (52) is obliquely arranged, and one end of the infiltration water delivery branch pipe (52) provided with a branch pipe cover (53) is higher than one end of the water outlet of the infiltration water delivery branch pipe (52) in the vertical direction; meanwhile, the communication end of the water outlet of the penetrating water delivery branch pipe (52) and the water inlet (37) of the abandoned well extends out of the edge of the full-penetrating asphalt pavement.
3. The fully permeable asphalt pavement system for effectively controlling the pollution of the rainfall runoff of pavement according to claim 1, wherein: the drainage well (36) of the runoff storage module (4) comprises a well body (56), a cover plate (57) is arranged at the top of the well body (56), a drainage well water inlet (37) and an overflow port (38) are arranged at the upper edge of the side wall of the well body (56), a drainage well water outlet (39) is arranged at the lower edge of the side wall of the well body (56), a drainage port (40) is arranged at the central position of the bottom wall of the well body (56), and a drainage water valve (41) is arranged outside the drainage port (40); the water outlet (39) of the drainage well is communicated with the water inlet (44) of the water storage tank, and the water inlet (44) of the water storage tank is communicated with the water storage tank (42); a water tank water outlet (47) is formed in the edge of the bottom of the side wall of the water tank (42), and the water tank water outlet (47) is connected with the inlet of the runoff utilization module (5); and the abandoned flow well (36) is positioned below the horizontal plane where the permeation water delivery pipe network (13) is positioned, and the water storage tank (42) is positioned below the horizontal plane where the abandoned flow well water outlet (39) is positioned.
4. A fully permeable asphalt pavement system for effectively controlling pavement rainfall runoff pollution according to claim 3, wherein: a water level measuring sleeve (45) is arranged in the water storage tank (42), the water level measuring sleeve (45) penetrates through the top wall of the water storage tank (42) to extend to the bottom of the water storage tank (42), and a water level measuring sleeve cover (22) is arranged at the top end of the water level measuring sleeve (45); a second water level measuring instrument (46) extending into the bottom of the water storage tank (42) is arranged in the water level measuring instrument sleeve (45), and the second water level measuring instrument (46) is in wireless connection with the computer control module (6) through the data transmission network (21).
5. The fully permeable asphalt pavement system for effectively controlling the pollution of the rainfall runoff of pavement according to claim 1, wherein: the runoff utilization module (5) comprises a booster pump (33), the water inlet end of the booster pump (33) is communicated with the water storage tank water outlet (47) through a water delivery main pipe (35), and a second water valve (48) is arranged at the joint of the water delivery main pipe (35) and the water storage tank water outlet (47); the water outlet end of the booster pump (33) is communicated with a water delivery main pipe (32), and the water delivery main pipe (32) passes through a water quality monitoring box (28) for monitoring the water quality data of the regenerated runoff in the main pipe; meanwhile, the water delivery main pipe (32) is communicated with a plurality of water delivery branch pipes (26), each water delivery branch pipe (26) is provided with a plurality of spray heads (23), and the spray heads (23) are distributed on the surface of the road green belt (2).
6. The fully permeable asphalt pavement system of claim 5 for effectively controlling the pollution of the surface rain runoff, wherein: a check valve (34) is arranged on the main water delivery pipe (35), and a flow valve (24), a pressure regulating valve (25) and a three-way regulating valve (27) are arranged on the main water delivery pipe (32); a second turbidity sensor (29), a pH value sensor (30) and a temperature sensor (31) are arranged in the water quality monitoring box (28); the flow valve (24), the pressure regulating valve (25) and the three-way regulating valve (27), and the second turbidity sensor (29), the pH value sensor (30) and the temperature sensor (31) are all in wireless connection with the computer control module (6) through the data transmission network (21).
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