CN210712413U - Permeable pavement sunken type green belt filtering, draining and storing system - Google Patents
Permeable pavement sunken type green belt filtering, draining and storing system Download PDFInfo
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- CN210712413U CN210712413U CN201921343661.9U CN201921343661U CN210712413U CN 210712413 U CN210712413 U CN 210712413U CN 201921343661 U CN201921343661 U CN 201921343661U CN 210712413 U CN210712413 U CN 210712413U
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- permeable pavement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The utility model relates to a permeable pavement sunk type green belt filtering, draining and saving system, which comprises a permeable pavement and a green belt, wherein the permeable pavement is sequentially provided with a roadbed, a base layer, a sealing layer, a draining water surface layer and a draining water upper layer from bottom to top, and both sides of the permeable pavement are provided with draining kerbs; the greenbelt is equipped with planting layer, filter layer, guarantor's water layer, drainage blanket and retaining module under from the top in proper order, and planting layer top interval sets up filter equipment, and the filter equipment bottom is equipped with the aqueduct, and the aqueduct runs through the soil layer and is connected with the retaining module, and the retaining module is around and the waterproof geotechnological cloth of bottom parcel, and the top is equipped with anti-geotechnological cloth of straining. The utility model relates to a rainwater flows into retaining module after filtering through the greenbelt in the filtration drainage deposit system use, has improved rainwater utilization ratio to rainwater after filtering has improved the water source and has utilized the effect.
Description
Technical Field
The utility model relates to a sponge city permeable pavement greenbelt construction technical field especially relates to a permeable pavement formula greenbelt that sinks filters drainage saving system.
Background
With the rapid development of sponge city construction, the permeable pavement combined with the filtration and drainage green belt is widely applied to practical projects such as urban roads, residential and commercial housing districts, park roads and the like, and a good effect is achieved, but in the practical project application, the following problems still exist or places needing improvement are found: (1) when rainwater passes through the pavement structure layer from top to bottom, the rainwater is difficult to be effectively discharged into a green belt, and the driving comfort is greatly reduced in rainy days; (2) the green belt stores water by depending on soil, can not well utilize rainwater, needs a tank truck to transport water to irrigate green plants during drought, and has the phenomenon of difficult drainage during heavy rainstorm; (3) rainwater is more in dust after being recycled through a drainage road surface, serious in pollution and difficult to be effectively utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of low rainwater utilization rate, difficult drainage in rainy days and the like of the existing permeable pavement green belt filtering drainage saving system, and provides a permeable pavement sinking type green belt filtering drainage saving system.
In order to achieve the purpose, the utility model provides a technical scheme does:
the utility model relates to a permeable pavement formula greenbelt that sinks filters drainage saving system, including permeable pavement and greenbelt, its characterized in that: the permeable pavement sequentially comprises a roadbed, a base layer, a seal layer, a lower surface layer, a middle surface layer and an upper surface layer from bottom to top, wherein the base layer is a cement gravel stabilized base layer, the seal layer is a thin layer of asphalt mixture with gradient, and the lower surface layer, the middle surface layer and the upper surface layer are asphalt concrete drainage layers; the two sides of the permeable pavement are provided with drainage kerbs, and the drainage kerbs are hollow precast concrete kerbs of which the middle parts are provided with drainage channels and the two sides are respectively provided with drainage holes; the green belt is sequentially provided with a planting layer, a filtering layer, a water retaining layer, a drainage layer and a water storage module from top to bottom, wherein the planting layer is backfilled planting soil, the filtering layer is a graded gravel layer, and the water retaining layer is a sandy cohesive soil layer; planting layer top interval sets up filter equipment, and the filter equipment bottom is equipped with the aqueduct, and the aqueduct wraps up waterproof sticky tape with the filter equipment junction, the aqueduct runs through the soil layer and is connected with prefabricated PP retaining module, retaining module around and bottom parcel waterproof geotechnological cloth, the top is equipped with anti-geotechnological cloth that strains.
The drainage layer is a mixed layer of melon seed pieces and broken stones.
Preferably, the drain holes comprise a road side drain hole and a green belt side drain hole which are both arranged in an upper row and a lower row, the outer side of the road side drain hole is provided with a metal mesh, and the outer side of the green belt side drain hole is provided with a reversed filter geotextile. The upper discharge hole of the road side water discharge hole is a larger vertical elliptical hole which is as high as the surface of the upper layer, so that the road surface water discharge speed can be improved. The lower drain hole of the road side drain hole and the green belt side drain hole are circular holes.
Preferably, the filtering device is in a funnel shape with a large upper part and a small lower part, a first filtering layer, a second filtering layer and a third filtering layer are arranged inside the filtering device from top to bottom, prefabricated porous cap stones are arranged at the top of the filtering device, and the bottom of the funnel is connected with the water guide pipe through a screw opening. The cap stone blocks sundries such as leaves outside the filtering device, so that the blocking probability of the filtering device is reduced, and the filtering device can be effectively protected from being damaged.
Preferably, the first filter layer, the second filter layer and the third filter layer are permeable concrete plates with gradually reduced porosity, the third filter layer can be replaced by an activated carbon layer with better filter effect, and sealing rings are arranged around the first filter layer, the second filter layer and the third filter layer.
Preferably, the higher position department in retaining module one side connect the municipal pipe network, the lower position department of opposite side connects the drinking-water pipe, when the retaining module water level is higher, the automatic flow to municipal pipe network prevents that the overflow condition from appearing in the retaining module.
Preferably, the drinking-water pipe from the retaining module extend to plant the layer always on, the drinking-water pipe top is equipped with connection pad and sealed lid, plant the layer and be equipped with concrete dado and apron near drainage curb stone side, in concrete dado and apron enclose the space in connection pad and sealed lid are arranged in, sealed lid can protect the drinking-water pipe not to take place to block up, dado and apron further protect the life of drinking-water pipe.
Preferably, a waterproof layer is arranged between the green belt and the base layer and between the green belt and the roadbed, and the waterproof layer can prevent rainwater from causing adverse effects on the roadbed and the base layer.
Adopt the technical scheme of the utility model, compare with traditional technique and have following beneficial effect:
1. rainwater flows into the water storage module after being filtered by the green belt, so that the utilization rate of the rainwater is improved, the filtered rainwater meets the municipal use requirement, and the utilization effect of a water source is improved;
2. the drainage kerbs are provided with different types of drainage openings on the road surface side and the green belt side respectively, so that rainwater on the road surface can be effectively and quickly drained into the green belt, and the possibility of water accumulation on the road surface is reduced;
3. the drainage kerbstone and the water storage module respectively adopt a hollow resin concrete prefabricated part and a prefabricated PP module, the prefabricated design construction speed is high, the efficiency is high, and the construction time and the cost are saved;
4. the water guide pipes are arranged in the center of the green belt at intervals, and can quickly filter and discharge rainwater into the water storage module for storage in heavy rain, so that the water discharge pressure in the flood peak period is reduced;
5. the top of the water guide pipe is provided with a filtering device and porous concrete cap stones, the cap stones can intercept sundries such as leaves, and the filtering device is arranged above the planting layer, so that the later-stage cleaning and replacement are convenient;
6. the greenbelt adopts planting layer, filter layer, guarantor's water layer, drainage blanket design, guarantor's water layer can keep planting the intraformational water content of soil for a long time, the growth of the plant that suits more.
Drawings
FIG. 1 is a schematic structural view of a permeable pavement sunken type green belt filtering, draining and storing system;
FIG. 2 is a plan view of a permeable pavement sunken type green belt filtering, draining and storing system;
FIG. 3 is a detailed view of node A of FIG. 1;
FIG. 4 is a detailed view of the node B of FIG. 1;
FIG. 5 is a schematic view of a drainage curb construction;
fig. 6 is an elevation view of a drainage curb.
The figure is marked with: 1-roadbed, 2-base course, 3-sealing course, 4-lower course, 5-middle course, 6-upper course, 7-drainage kerbstone, 71-road side drainage hole, 72-green belt side drainage hole, 73-drainage channel, 74-metal net, 8-cushion course, 9-water storage module, 10-waterproof geotextile, 11-reverse filter geotextile, 12-drainage course, 13-water retention course, 14-filtering course, 15-planting course, 16-green plant, 17-filtering device, 171-first filtering course, 172-second filtering course, 173-third filtering course, 174-sealing ring, 175-porous cap stone, 176-silk opening, 18-gravel, 19-aqueduct, 20-water suction pipe, 201-connecting disc, 202-sealing cover, 21-municipal pipe network, 22-waterproof layer, 23-cover plate, 24-retaining wall, 25-waterproof adhesive tape and 26-rainfall.
Detailed Description
In order to deepen understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to fig. 1 to 6, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
Referring to the attached drawing 1, the embodiment relates to a permeable pavement sunken type green belt filtering, draining and storing system which comprises a permeable pavement and a green belt, wherein the permeable pavement is sequentially provided with a roadbed 1, a base layer 2, a seal layer 3, a lower surface layer 4, a middle surface layer 5 and an upper surface layer 6 from bottom to top, the base layer 2 is a 20 cm-thick cement gravel stable layer 2, the seal layer 3 is a 10 mm-gradient asphalt mixture thin layer, the lower surface layer 4, the middle surface layer 5 and the upper surface layer 6 are asphalt concrete drainage layers, the lower surface layer 4 is an 8 cm-thick AC-25 asphalt mixture, the middle surface layer 5 is an AC-20 cm-thick asphalt mixture, and the upper surface layer 6 is a 4 cm-thick AC-13 asphalt mixture; a drainage curb 7 is arranged between the permeable pavement and the green belt, a waterproof layer 22 is arranged between the green belt and the base layer 2 and between the green belt and the roadbed 1, the green belt is sequentially provided with a planting layer 15, a filter layer 14, a water retaining layer 13, a drainage layer 12 and a water storage module 9 from top to bottom, the planting layer 15 is backfilled planting soil, the filter layer 14 is a gravel layer, the water retaining layer 13 is a sandy cohesive soil layer, and the drainage layer 12 is a melon seed sheet and gravel mixed layer; the higher position department in retaining module 9 one side connects municipal pipe network 21, and when the 9 water levels of retaining module were higher, automatic flow to municipal pipe network 21 prevented that the overflow condition from appearing in retaining module 9, and drinking-water pipe 20 is connected to the lower position department of opposite side, and retaining module 9 is all around and bottom parcel waterproof geotechnological cloth 10, and the top is equipped with anti-geotechnological cloth 11 that strains.
Referring to fig. 1-3, the top of the planting layer 15 is provided with the filtering devices 17 at intervals, the filtering devices 17 are funnel-shaped with a large top and a small bottom, the inside of the filtering devices is provided with the first filtering layer 171, the second filtering layer 172 and the third filtering layer 173, the first filtering layer 171, the second filtering layer 172 and the third filtering layer 173 are water-permeable concrete plates with gradually reduced porosity, the periphery of the filtering layers is provided with the sealing ring 174, the top of the filtering devices is provided with the prefabricated porous cap stone 175, the cap stone 175 blocks sundries such as leaves outside the filtering devices 17, the blocking probability of the filtering devices 17 is reduced, the funnel at the bottom of the filtering devices 17 is provided with the screw openings 176, the bottom of the filtering devices 17 is provided with the water guide pipe 19, the water guide pipe 19 and the screw thread 176 of the filtering devices 17 wrap the waterproof adhesive tape. The periphery of the filtering device 17 is also provided with gravels (18).
Referring to fig. 1-2 and fig. 4, the water pumping pipe 20 extends from the water storage module 9 to the planting layer 15, the top of the water pumping pipe 20 is provided with a connecting disc 201 and a sealing cover 202, the planting layer 15 near the drainage curb 7 is provided with a concrete retaining wall 24 and a cover plate 23, the sealing cover 202 can protect the water pumping pipe 20 from being blocked, and the retaining wall 24 and the cover plate 23 further protect the service life of the water pumping pipe 20.
Referring to fig. 1, 5 and 6, the length, width and height of the drainage kerbstone are respectively 50cm, 15cm and 35cm, a drainage channel 73 is arranged in the middle of the drainage kerbstone, two sides of the drainage kerbstone are respectively provided with a road side drainage hole 71 and a green belt side drainage hole 72 which are both arranged in an upper row and a lower row, a metal mesh 74 is arranged on the outer side of the road side drainage hole 71, and the outer side of the green belt side drainage hole 72 is provided with the anti-filtration geotextile 11. The upper row holes of the road side water drainage holes 71 are large vertical elliptical holes which are as high as the surface of the upper layer, so that the pavement drainage speed can be improved. The lower row hole of the road side drainage hole 71 and the green belt side drainage hole 72 are circular holes.
The construction steps of the permeable pavement sunken type green belt filtering, draining and storing system comprise:
s1, earth excavation: and excavating the earth according to the design requirement to the bottom surface of the water storage module 9, and rolling.
S2, construction of the water storage module 9: pouring a concrete cushion layer 8, sequentially installing a water storage module 9 according to a construction scheme, positioning and reserving holes of a municipal pipe network 21 and a water pumping pipe 20 on the water storage module 9, wrapping waterproof geotextile 10 around the water storage module 9 and at the bottom of the water storage module, wrapping anti-filter geotextile 11 at the top of the water storage module 9, and backfilling the water storage module to the top of the water storage module 9.
S3, construction of the drainage layer 12 and pipeline construction: reserve the pipe connection to municipal pipe network 21 with water storage module 9 side, reserve the pipe connection drinking-water pipe 20 in another side, reserve the pipe connection aqueduct 19 in the top, melon seed piece and rubble mix the layer and pave.
S4, construction of the water retention layer 13 and the filter layer 14: spreading sandy cohesive soil and gravel layer by layer and rolling to form a water retaining layer 13 and a filtering layer 14 respectively.
S5, mounting of the drainage curb 7: prefabricating the drainage kerb 7 according to requirements in a factory and transporting the kerb to the site; and (3) constructing a base layer 2 and a sealing layer, wherein the sealing layer 2 has a certain gradient, constructing a cushion layer 8 on the base layer 2, and then installing the drainage curb 7 on the cushion layer 8.
S6, construction of the permeable pavement surface layer: and rolling by a bituminous mixture paver according to the construction sequence to form a lower surface layer 4, a middle surface layer 5 and an upper surface layer 6.
S7, backfilling a planting layer 15 and planting a green plant 16: and carrying out layered backfilling according to a construction scheme and planting green plants 16.
S8, constructing the filtering device 17 and the water pumping pipe 20 and the protective wall 24: installing the filtering device 17 on the top of the aqueduct 19 through the screw port 176, binding the waterproof adhesive tape 25 outside the screw port 19, and filling gravels 18 around the filtering device 17; the wall 24 is constructed on the top of the pumping pipe 20, and the pumping pipe 20 is sealed by a sealing cap 202 and a cover plate 23 is covered.
The above embodiments are only used for explaining the technical idea of the present invention, not for the limitation of the protection of the right of the present invention, and all the modifications that are insubstantial to the present invention are carried out by using this idea, all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a permeable pavement formula greenbelt that sinks filters drainage deposit system, includes permeable pavement and greenbelt, its characterized in that: the permeable pavement sequentially comprises a roadbed (1), a base layer (2), a seal layer (3), a lower surface layer (4), a middle surface layer (5) and an upper surface layer (6) from bottom to top, the base layer (2) is a cement and gravel stabilized base layer, the seal layer (3) is a thin layer of asphalt mixture with gradient, and the lower surface layer (4), the middle surface layer (5) and the upper surface layer (6) are asphalt concrete drainage layers; drainage kerbs (7) are arranged on two sides of the permeable pavement, and are hollow precast concrete kerbs with drainage channels (73) in the middle and drainage holes on two sides respectively; the green belt is sequentially provided with a planting layer (15), a filtering layer (14), a water retention layer (13), a drainage layer (12) and a water storage module (9) from top to bottom, the planting layer (15) is backfilled planting soil, the filtering layer (14) is a graded gravel layer, and the water retention layer (13) is a sandy cohesive soil layer; planting layer (15) top interval and setting up filter equipment (17), filter equipment (17) bottom is equipped with aqueduct (19), and aqueduct (19) and filter equipment (17) junction parcel waterproof sticky tape (25), aqueduct (19) run through the soil layer and are connected with prefabricated PP retaining module (9), retaining module (9) around and bottom parcel waterproof geotechnological cloth (10), the top is equipped with anti-geotechnological cloth (11) of straining.
2. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 1, wherein: the drain holes comprise road side drain holes (71) and green belt side drain holes (72) which are arranged in an upper row and a lower row, a metal net (76) is arranged on the outer side of the road side drain holes (71), and reverse filter geotextile (11) is arranged on the outer side of the green belt side drain holes (72).
3. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 1, wherein: filter equipment (17) for big-end-up funnel shape, inside from the top down is equipped with first filter layer (171), second filter layer (172) and third filter layer (173), the top sets up prefabricated porous cap stone (175), the funnel bottom is passed through silk mouth (176) and is linked to each other with aqueduct (19).
4. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 3, wherein: the first filter layer (171), the second filter layer (172) and the third filter layer (173) are water-permeable concrete plates with gradually reduced porosity, the third filter layer (173) can be replaced by an activated carbon layer with better filter effect, and sealing rings (174) are arranged around the first filter layer (171), the second filter layer (172) and the third filter layer (173).
5. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 1, wherein: the municipal pipe network (21) is connected to the higher position of one side of the water storage module (9), and the pumping pipe (20) is connected to the lower position of the other side.
6. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 5, wherein: the water pumping pipe (20) extends to the planting layer (15) from the water storage module (9), a connecting disc (201) and a sealing cover (202) are arranged at the top of the water pumping pipe (20), a concrete retaining wall (24) and a cover plate (23) are arranged on the planting layer (15) close to the side of the drainage curb stone (7), and the connecting disc (201) and the sealing cover (202) are arranged in a space enclosed by the concrete retaining wall (24) and the cover plate (23).
7. The permeable pavement sunk type green belt filtering, draining and storing system as claimed in claim 1, wherein: and a waterproof layer (22) is arranged between the green belt and the base layer (2) and between the green belt and the roadbed (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921343661.9U CN210712413U (en) | 2019-08-19 | 2019-08-19 | Permeable pavement sunken type green belt filtering, draining and storing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921343661.9U CN210712413U (en) | 2019-08-19 | 2019-08-19 | Permeable pavement sunken type green belt filtering, draining and storing system |
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| Publication Number | Publication Date |
|---|---|
| CN210712413U true CN210712413U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921343661.9U Expired - Fee Related CN210712413U (en) | 2019-08-19 | 2019-08-19 | Permeable pavement sunken type green belt filtering, draining and storing system |
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| CN (1) | CN210712413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942493A (en) * | 2021-04-12 | 2021-06-11 | 沈阳促晋科技有限公司 | Rainwater garden circulation system |
-
2019
- 2019-08-19 CN CN201921343661.9U patent/CN210712413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942493A (en) * | 2021-04-12 | 2021-06-11 | 沈阳促晋科技有限公司 | Rainwater garden circulation system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |