CN112982072A - Green belt water storage and drainage curbstone system and water storage and drainage method - Google Patents
Green belt water storage and drainage curbstone system and water storage and drainage method Download PDFInfo
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- CN112982072A CN112982072A CN202110191827.5A CN202110191827A CN112982072A CN 112982072 A CN112982072 A CN 112982072A CN 202110191827 A CN202110191827 A CN 202110191827A CN 112982072 A CN112982072 A CN 112982072A
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- drainage
- water storage
- water
- green belt
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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
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
- E01C11/223—Kerb-and-gutter structures; Kerbs with drainage openings channel or conduits, e.g. with out- or inlets, with integral gutter or with channel formed into the kerb ; Kerbs adapted to house cables or pipes, or to form conduits
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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
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/046—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps adapted to be used with kerbs
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- 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
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Abstract
The utility model provides a drainage curb is held to greenbelt and holds drainage method, relate to sponge urban area construction technical field, including holding water drainage tank and access cover, hold water drainage tank and arrange the connection side by side along greenbelt horizontal direction both sides, it is equipped with the inlet opening to hold the water drainage tank, infiltration hole and greenbelt drainage hole, the access cover can directly cover in holding water drainage tank opening part, from the bottom up has set up the compound geomembrane of prevention of seepage, the metalling, the blind pipe that permeates water, the overflow pipe, the geotechnological cloth that permeates water, fine sand filter layer and planting layer in the greenbelt of district, the blind pipe that permeates water links to each other with district's rainwater well, the overflow pipe is connected with the blind pipe that permeates water. The invention can be used as a drainage channel of a green belt, can also be used as a curb stone of a hard pavement of a residential area, can effectively solve the problems of water shortage of the vegetation belt in rainy season and dry season, and has the characteristics of strong practicability, wide application and easy maintenance.
Description
Technical Field
The invention relates to the technical field of sponge urban residential quarter construction, in particular to a residential green belt water storage and drainage curb stone and a water storage and drainage method thereof.
Background
With the acceleration of the urbanization process, the rainwater problem caused by the traditional drainage system mode of urban roads attracts more and more attention, and is gradually one of the important reasons that the traffic and the water environment are deteriorated and the life and property safety of people are endangered. The community green belt is one of important components in the community garden construction, has a special function for the people and vehicle shunting or the functional area division of the community, and replaces the traditional hard scene isolation measures. And along with the continuous improvement of the building level of the residential area, the motor vehicles and the sidewalks in the residential area are completely separated, but the residential area is still divided into hard pavements or hard moving areas such as non-motor vehicle lanes and fire fighting passageways, rainwater in the hard areas easily causes waterlogging in rainy seasons, and great inconvenience is brought to people going out in the residential area. The design of greenbelts is also to continue to use traditional drainage mode, can not effectively utilize rainwater, often water and maintain, and the drainage mode of this kind of district greenbelts does not conform to the theory of modern sponge city construction.
Patent document CN206302910U provides a supply drainage system for urban garden green vegetation, including green vegetation region and passageway region, green vegetation region distributes in the regional both sides in passageway, and arrange through the drainage area transition between the two, green vegetation region includes green vegetation, basic unit and combination filter layer, the collection layer has been laid to the lower extreme of combination filter layer, the collection layer is connected to in the cistern through communicating pipe, make collection layer and cistern be linked together and arrange, drainage region includes water drainage tank and permeable plate, the water drainage tank sets up between green vegetation region and passageway region, wherein, the permeable plate lid is established on the water drainage tank, the upper end to the combination filter layer is laid to the outlet of water drainage tank.
Patent document CN205024706U provides an ecological bank protection of garden design, including the metalling, the metalling is laid on domatic surface, the metalling has been laid to the upper surface on metalling, the upside on metalling is equipped with the bed of filling, the upside slope protection brick on bed of filling, and slope protection brick both sides are equipped with circular trompil, run through being equipped with in the circular trompil and drip irrigation the pipe, domatic slope bottom department is equipped with the aqua storage tank, and be equipped with the filter layer between aqua storage tank and the metalling, be equipped with the water pumper in the aqua storage tank, the water pumper delivery port is connected with first water pipe, drip irrigation a tub intake end and first water pipe intercommunication, it is connected with the second water pipe to drip irrigation the tub.
Although the above patent documents can store and drain water, they cannot properly irrigate green vegetation in dry seasons, particularly from roots, and further not properly and quickly irrigate the vegetation.
Therefore, it is necessary to provide a water storage and drainage curb and a water storage and drainage method suitable for green belts.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a greening water storage and drainage curb and a water storage and drainage method thereof, which are used for solving the problems that drainage is not smooth around green belts in rainy seasons and the green belts need frequent irrigation in dry seasons in places such as residential areas, urban roads and the like, and reasonably allocating rainwater to enable the green belts to become sponge greenbelts for rainwater infiltration and rainwater purification.
In order to achieve the above object, in one aspect, the invention adopts the following technical scheme: a green belt water storage and drainage curb system comprises 2 water storage and drainage grooves and an access cover, wherein two adjacent green belt water storage and drainage curb systems are connected by adopting waterproof cement pointing to form a road curb and a green belt drainage channel, and the access cover covers the opening of the water storage and drainage grooves; 2, paving a cushion layer below the water storage and drainage grooves and the green belts;
the green belt comprises a water-permeable blind pipe, an overflow pipe, an anti-seepage composite geomembrane, a gravel layer, a water-permeable geotextile and a planting layer, wherein the anti-seepage composite geomembrane, the gravel layer, the water-permeable geotextile and the planting layer are sequentially arranged from bottom to top;
temporary isolation plates are vertically arranged on the inner side walls of the green belts close to the 2 water storage and drainage grooves, fine sand is filled in a cavity formed by the temporary isolation plates and the drainage road edge stones, and a fine sand filter layer is formed by coarse sand and permeable geotextile in the horizontal direction; planting soil is cultivated on the planting layer between the two isolation plates, and the temporary isolation plates are drawn out after the planting soil is cultivated.
Preferably, the water storage and drainage groove is provided with a drain hole, a water seepage hole and a water inlet hole, the drain hole is positioned on one side, close to the green belt, of the upper portion of the inner side wall of the water storage and drainage groove, the water seepage hole is positioned on one side, close to the green belt, of the lower portion of the inner side wall of the water storage and drainage groove, the water seepage hole is positioned below the drain hole, the water inlet is positioned on one side, close to the road, of the outer side wall of the water storage and drainage groove, and the road.
Preferably, the height of the drain hole is higher than that of the water inlet hole, and the height of the drain hole is higher than that of the planting layer plane of the green belt.
Preferably, the water seepage holes are arranged in a plurality of rows, the water seepage holes on the uppermost row and the water seepage holes on the lowermost row are both positioned in the fine sand filtering layer area, and water enters the planting layer from the water seepage holes through the fine sand filtering layer.
More preferably, the drain holes are rectangular small holes, are arranged at the positions 5-10cm high from the plane of the green belt, are 4-6cm long and 1-2cm wide, and are vertically arranged. When the planting layer of the green belt is saturated with water and the rainwater accumulation height in the green belt exceeds 5-10cm, the redundant rainwater is drained into the water storage and drainage groove from the water drainage hole of the green belt;
more preferably, the water seepage holes are a plurality of small round holes at the lower part of the inner side wall of the water storage and drainage groove, the lowest water seepage hole is arranged at the position 3-8cm away from the vertical height of the bottom surface of the water storage and drainage groove, the hole diameter is 1-2cm, and when the rainwater surface of the water storage and drainage groove is higher than the lower edge of the lowest water seepage hole, rainwater can directly seep into the green belt planting layer.
More preferably, hold the drain tank lateral wall for being close to road one side, the water inlet is the rectangle aperture, and road rainwater enters into holding the drain tank through this water inlet. The underground of the outer side wall of the water storage and drainage groove is an inclined plane which forms an angle of 110 DEG and 115 DEG with the bottom surface of the water storage and drainage groove.
Preferably, the water storage and drainage groove is an inverted right-angled pentagon, wherein the overground part is rectangular, the underground part is inverted right-angled trapezoid and is prefabricated by reinforced concrete, the interior of the water storage and drainage groove is of a hollow structure, the wall thickness is 3-5cm, the width of an upper opening is 30-35cm, the width of a lower bottom is 20-25cm, the height is 45-50cm, and the length is 50-100 cm.
Preferably, the two sides of the upper end of the inner wall of the water storage and drainage groove are provided with an access cover seat frame with the width of 1-2cm, the access cover seat frame and the water storage and drainage groove are integrally prefabricated, and the access cover directly covers the access cover seat frame at the opening of the water storage and drainage groove.
Preferably, the access cover is a water storage and drainage groove cover plate which is rectangular and made of reinforced concrete, the thickness of the access cover is 4-6cm, the length of the access cover is 50-100cm, and the width of the access cover is the same as the inner diameter width of an opening on the water storage and drainage groove.
Preferably, the access cover is provided with an opening hole.
More preferably, the access cover is provided with 2 opening holes with the diameter of 30-35 mm.
Preferably, still include the green plant irrigation system in dry season, the green plant irrigation system in dry season still includes the watering pipe that the planting layer surface set up and passes the inlet tube that the access cover got into the water storage and drainage tank, watering pipe and inlet tube all with catch basin is connected for water when the green plant is arid.
Preferably, the dry season green plant irrigation system further comprises a control system, a first humidity sensor, a second humidity sensor and a judgment module, wherein the first humidity sensor is located on the upper layer of the planting layer, the second humidity sensor is located on the lower layer of the planting layer, the first humidity sensor is used for detecting the humidity of the upper part of the root of the green plant on the planting layer, the first humidity sensor is used for detecting the humidity of the lower part of the root of the green plant on the planting layer, the judgment module is used for judging the humidity of the first humidity sensor and the second humidity sensor, when the humidity S1 displayed by the first humidity sensor is greater than the humidity S2 of the second humidity sensor and the humidity S2 of the second humidity sensor is less than the preset humidity S0, the control system controls the water inlet pipe to be opened so that water enters the water storage and drainage groove from the rainwater well and permeates into the planting layer from the seepage hole, when the humidity S1 displayed by the first humidity sensor is less than the humidity S2 of the second humidity sensor and the humidity S1 of the first humidity sensor is less than the preset humidity S0, the control system controls the irrigation pipe to be opened to irrigate from the surface of the plant layer.
Preferably, the second humidity sensor is capable of monitoring real-time humidity of the lower portion of the green implant root on the planting layer in real time, wherein when the humidity S2 of the second humidity sensor is less than the preset humidity S0, the humidity range of S2 is continuously determined, if the humidity N of the second humidity sensor is less than S2< M, wherein M, N is humidity, M < S0, the control system controls the water inlet pipe to convey water from the rainwater well to the water seepage hole level of the middle row of the water storage and drainage tank, and if the humidity S2 of the second humidity sensor is less than N, the control system controls the water inlet pipe to convey water from the rainwater well to the water seepage hole level of the uppermost row of the water storage and drainage tank.
On the other hand, the invention also provides a water storage and drainage method for the green belt, which comprises the following steps:
s1: leveling the tamped green belts and the hard pavement base surface, paving a cushion layer according to the terrain elevation of the residential area, and tamping and leveling the cushion layer;
s2: laying an anti-seepage composite geomembrane on the cushion layers of the green belt and the hard pavement, planning and paying off, marking the areas of the green belt and the hard pavement, and installing a water storage and drainage groove on the outer edge of the green belt.
S3: fixing water storage and drainage grooves according to the length of the green belt, and jointing two adjacent water storage and drainage grooves by using waterproof cement mortar;
s4: after the water storage and drainage grooves are connected, a gravel layer is laid on the anti-seepage composite geomembrane, the water storage and drainage grooves are further fixed, the gravel is laid in the central line position of the water storage and drainage grooves, simultaneously, the water permeable blind pipes wrapped with the water permeable geotextile are laid and connected with the rainwater well, the overflow pipes are vertically arranged with the base surface of the cushion layer, and the bottoms of the overflow pipes are connected with the water permeable blind pipes;
s5: paving permeable geotextile on the crushed stone layer of the green belt, wherein the permeable geotextile extends to cover the outer vertical surface of the water storage and drainage grooves at two sides of the whole green belt, which is close to one side of the green belt;
s6: a temporary isolation plate is vertically arranged at a position 5-10cm away from the inner side wall of the water storage and drainage groove on the inner side of the green belt, fine sand is filled in a cavity formed by the temporary isolation plate and the drainage road edge stone, and a filtering layer is formed by coarse sand and permeable geotextile in the horizontal direction; planting soil is planted between the two temporary isolation plates, and the temporary isolation plates are drawn out after the planting soil is well planted;
s7: and covering an access cover, planting green plants in the green belt, constructing corresponding hard pavements outside the green belt according to the divided regional functions, wherein the slopes of all the hard pavements incline to one side of the green belt, and the slopes are controlled within 1-5 degrees, so that rainwater on the hard pavements can be timely drained to a green belt water storage and drainage road edge stone system when raining.
When the dry season comes, the method for storing and draining the water in the green belt further comprises the following steps:
s11: plugging the first section and the tail end of the water storage and drainage groove along the green belt;
s12: injecting certain water through the water inlet of the water storage and drainage groove to enable the water level in the whole planting groove to reach the upper edge of the water seepage port on the uppermost layer of the inner side wall;
s13: water accumulated in the water storage and drainage groove directly permeates roots of the greenbelt plants, and when the water storage and drainage groove is free of water, water is directly supplemented or a small amount of rainwater is collected in the water storage and drainage groove during plugging;
s14: the water supply of the vegetation is ensured in dry seasons, and the water resource waste caused by artificial flood irrigation is reduced.
Compared with the prior art, the invention has the following effective effects:
(1) the invention can effectively relieve waterlogging and unsmooth drainage, and can effectively utilize rainwater, so that the green belt becomes an ecological green land for conserving rainwater and purifying rainwater, thereby effectively saving water resources and maintaining manpower. When raining, rainwater collected by hard pavements of a residential area, such as a fire fighting channel, a sidewalk, a rest moving area and the like, quickly flows into the water storage and drainage road edge stones, and the road edge stones are not only water drainage channels, but also road edge stones and have double functions of isolation and water drainage; when the rainwater volume is great, unnecessary rainwater supplies the greenbelt plant to grow in holding the infiltration hole infiltration greenbelt planting layer in drainage road edge stone, if when the torrential rain takes place, the rainwater of greenbelt directly drains the rainwater well through the overflow pipe. In dry seasons, rainwater accumulated in the water storage and drainage grooves or supplemented water is used for supplying water to the roots of the greenbelt vegetation, the water balance of a planting layer in the greenbelt is always kept, the water storage and drainage road edge stones play a role in storage and drainage, the greenbelt plays a role in seepage, stagnation and purification, and the functions of the residential ecological greenbelt under the sponge city idea construction are fully embodied.
(2) Can effectively solve when the arid season, green plant can not watered by automatic watering, and the problem of scientific watering that can not be reasonable, through control system and first humidity transducer and second humidity transducer and judge module, can water from inlet tube or watering pipe by reasonable science for the conservative moisture of green plant is sufficient, but not waterlogging.
(3) The invention monitors the humidity of different layers of the upper part of the root and the lower part of the root of the plant on the planting layer, ensures that seepage water can be discharged in time, prevents waterlogging, prevents drought, and ensures sufficient water.
Drawings
FIG. 1 is a schematic cross-sectional view of a greening water storage and drainage curb and a water storage and drainage structure thereof according to the present invention;
FIG. 2 is a perspective view of a green belt water storage and drainage curb provided by the present invention;
FIG. 3 is a top view of a green belt water storage and drainage road edge stone provided by the present invention;
fig. 4 is a schematic view of the connection between two adjacent water storage and drainage grooves provided by the present invention.
In the figure: 1 is a water storage and drainage groove, 11 is a water seepage hole, 12 is a water drainage hole, 13 is a water inlet hole, 14 is an access cover seat frame, 2 is an access cover, 21 is an opening hole, 3 is a green belt, 31 is an impermeable composite geomembrane, 32 is a gravel layer, 33 is a permeable blind pipe, 34 is an overflow pipe, 35 is permeable geotextile, 36 is a fine sand filter layer, 37 is a planting layer, 38 is a temporary isolation plate, 4 is a hard pavement and 5 is a cushion layer.
Detailed Description
The invention will be further described with reference to the following detailed description of the drawings.
As shown in fig. 1-4, the present invention adopts the following technical solutions: a green belt water storage and drainage curb system comprises 2 water storage and drainage grooves 1 and an access cover 2, wherein two adjacent green belt water storage and drainage curb systems are connected by adopting waterproof cement pointing to form a road curb and a green belt drainage channel, and the access cover 2 covers the opening of the water storage and drainage grooves 1; a cushion layer 5 is laid below the 2 water storage and drainage grooves 1 and the green belt 3;
the green belt 3 comprises a water-permeable blind pipe 33, an overflow pipe 34, an anti-seepage composite geomembrane 31, a gravel layer 32, a water-permeable geotextile 35 and a planting layer 37, wherein the anti-seepage composite geomembrane 31, the gravel layer 32, the water-permeable geotextile 35 and the planting layer 37 are sequentially arranged from bottom to top, the overflow pipe 34 is vertically arranged with the base surface of the cushion 5, the bottom of the overflow pipe is connected with the water-permeable blind pipe 33, and the water-permeable blind pipe 33 is connected with a rainwater well;
The water storage and drainage groove 1 provided by the invention is provided with a drainage hole 12, a water seepage hole 11 and a water inlet hole 13, wherein the drainage hole 12 is positioned at one side of the upper part of the inner side wall of the water storage and drainage groove 1 close to the green belt 3, the water seepage hole 11 is positioned at one side of the lower part of the inner side wall of the water storage and drainage groove 1 close to the green belt 3, the water seepage hole 11 is positioned below the drainage hole 12, the water inlet hole 13 is positioned at one side of the outer side wall of the water storage and drainage groove 1 close to the road, and the road rainwater enters the water storage and drainage groove.
Wherein, the height of the drainage hole 12 is higher than that of the water inlet 13, and the height of the drainage hole 12 is higher than that of the planting layer 37 of the green belt 3.
The seepage holes 11 are arranged in a plurality of rows, the seepage holes 11 on the uppermost row and the seepage holes 11 on the lowermost row are both positioned in the fine sand filter layer 36 area, and water enters the planting layer 37 from the seepage holes 11 through the fine sand filter layer 36.
The drain holes are rectangular small holes, are arranged at positions 5-10cm high from the plane of the green belt, are 4-6cm long and 1-2cm wide, and are vertically arranged; when the planting layer of the green belt is saturated with water and the rainwater accumulation height in the green belt exceeds 5-10cm, the redundant rainwater is drained into the water storage and drainage groove from the water drainage hole of the green belt; the seepage holes 11 are a plurality of small round holes at the lower part of the inner side wall of the water storage and drainage groove, the lowest seepage hole is arranged at the position 3-8cm away from the vertical height of the bottom surface of the water storage and drainage groove, the hole diameter is 1-2cm, and when the rainwater surface of the water storage and drainage groove is higher than the lower edge of the lowest seepage hole, rainwater can directly seep into the green belt planting layer. Hold water drainage tank lateral wall for being close to road one side, the water inlet is the rectangle aperture, and the road rainwater enters into through this water inlet and holds water drainage tank. The underground of the outer side wall of the water storage and drainage groove is an inclined plane which forms an angle of 110-115 degrees with the bottom surface of the water storage and drainage groove 1.
More specifically, the water storage and drainage groove 1 provided by the invention is an inverted right-angled pentagon, wherein the overground part is rectangular, the underground part is inverted right-angled trapezoid, the water storage and drainage groove is prefabricated by reinforced concrete, the inside of the water storage and drainage groove is of a hollow structure, the wall thickness is 3-5cm, the width of an upper opening is 30-35cm, the width of a lower bottom is 20-25cm, the height is 45-50cm, and the length is 50-100 cm.
The water storage and drainage tank is characterized in that access cover seat frames 14 are arranged on two sides of the upper end of the inner wall of the water storage and drainage tank 1, the width of each access cover seat frame is 1-2cm, the access cover seat frames and the water storage and drainage tank are integrally prefabricated, and the access cover 2 directly covers the opening of the water storage and drainage tank 1 and the access cover seat frames 14.
The access cover 2 is a water storage and drainage groove cover plate, is rectangular, is made of reinforced concrete, is 4-6cm thick and 50-100cm long, and the width of the access cover 2 is the same as the inner diameter width of an opening on the water storage and drainage groove. The access cover 2 is provided with 2 opening holes with the diameter of 30-35 mm.
As a preferred embodiment, the greening water storage and drainage curbstone system provided by the invention further comprises a dry season green plant irrigation system, the dry season green plant irrigation system further comprises an irrigation pipe arranged on the surface of the planting layer and a water inlet pipe penetrating through the access cover and entering the water storage and drainage groove, and the irrigation pipe and the water inlet pipe are both connected with the rainwater well and used for irrigating when the green plants are dry.
The irrigation system for the green plants in the dry season further comprises a control system, a first humidity sensor, a second humidity sensor and a judgment module, wherein the first humidity sensor is located on the upper layer of the planting layer, the second humidity sensor is located on the lower layer of the planting layer, the first humidity sensor is used for detecting the humidity of the upper portion of the root of the green plants on the planting layer, the first humidity sensor is used for detecting the humidity of the lower portion of the root of the green plants on the planting layer, the judgment module is used for judging the humidity of the first humidity sensor and the second humidity sensor, when the humidity S1 displayed by the first humidity sensor is larger than the humidity S2 of the second humidity sensor and the humidity S2 of the second humidity sensor is smaller than the preset humidity S0, the control system controls the water inlet pipe to be opened, so that water enters the water storage and drainage groove from the rainwater well and permeates into the planting layer from the seepage holes, when the humidity S1 displayed by the first humidity sensor is less than the humidity S2 of the second humidity sensor and the humidity S1 of the first humidity sensor is less than the preset humidity S0, the control system controls the irrigation pipe to be opened to irrigate from the surface of the plant layer.
The second humidity sensor provided by the invention can monitor the real-time humidity of the lower part of the green implant root on the planting layer in real time, wherein when the humidity S2 of the second humidity sensor is less than the preset humidity S0, the humidity range of S2 is continuously judged, if the humidity N of the second humidity sensor is less than S2 and less than M, wherein M, N is the humidity, M is less than S0, the control system controls the water inlet pipe to convey water from the rainwater well to the water seepage hole level of the middle row of the water storage and drainage groove, and if the humidity S2 of the second humidity sensor is less than N, the control system controls the water inlet pipe to convey water from the rainwater well to the water seepage hole level of the uppermost row of the water storage and drainage groove. From this mode, carry water to holding the water drainage tank from the rainwater well for the root of the green plant on the planting layer waters scientific and reasonable, keeps the planting layer moisture balance in the greenbelt all the time.
On the other hand, the invention also provides a water storage and drainage method for the green belt, which comprises the following steps:
s1: leveling the tamped green belts and the hard pavement base surface, paving a cushion layer according to the terrain elevation of the residential area, and tamping and leveling the cushion layer;
s2: laying an anti-seepage composite geomembrane on the cushion layers of the green belt and the hard pavement, planning and paying off, marking the areas of the green belt and the hard pavement, and installing a water storage and drainage groove on the outer edge of the green belt.
S3: fixing water storage and drainage grooves according to the length of the green belt, and jointing two adjacent water storage and drainage grooves by using waterproof cement mortar;
s4: after the water storage and drainage grooves are connected, a gravel layer is laid on the anti-seepage composite geomembrane, the water storage and drainage grooves are further fixed, the gravel is laid in the central line position of the water storage and drainage grooves, simultaneously, the water permeable blind pipes wrapped with the water permeable geotextile are laid and connected with the rainwater well, the overflow pipes are vertically arranged with the base surface of the cushion layer, and the bottoms of the overflow pipes are connected with the water permeable blind pipes;
s5: paving permeable geotextile on the crushed stone layer of the green belt, wherein the permeable geotextile extends to cover the outer vertical surface of the water storage and drainage grooves at two sides of the whole green belt, which is close to one side of the green belt;
s6: a temporary isolation plate is vertically arranged at a position 5-10cm away from the inner side wall of the water storage and drainage groove on the inner side of the green belt, fine sand is filled in a cavity formed by the temporary isolation plate and the drainage road edge stone, and a filtering layer is formed by coarse sand and permeable geotextile in the horizontal direction; planting soil is planted between the two temporary isolation plates, and the temporary isolation plates are drawn out after the planting soil is well planted;
s7: and covering an access cover, planting green plants in the green belt, constructing corresponding hard pavements outside the green belt according to the divided regional functions, wherein the slopes of all the hard pavements incline to one side of the green belt, and the slopes are controlled within 1-5 degrees, so that rainwater on the hard pavements can be timely drained to a green belt water storage and drainage road edge stone system when raining.
When the dry season comes, the method for storing and draining the water in the green belt further comprises the following steps:
s11: plugging the first section and the tail end of the water storage and drainage groove along the green belt;
s12: injecting certain water through the water inlet of the water storage and drainage groove to enable the water level in the whole planting groove to reach the upper edge of the water seepage port on the uppermost layer of the inner side wall;
s13: water accumulated in the water storage and drainage groove directly permeates roots of the greenbelt plants, and when the water storage and drainage groove is free of water, water is directly supplemented or a small amount of rainwater is collected in the water storage and drainage groove during plugging;
s14: the water supply of the vegetation is ensured in dry seasons, and the water resource waste caused by artificial flood irrigation is reduced.
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.
Claims (10)
1. A green belt water storage and drainage curb system is characterized by comprising 2 water storage and drainage grooves and an access cover, wherein two adjacent green belt water storage and drainage curb systems are connected by adopting waterproof cement pointing to form a road curb and a green belt drainage channel, and the access cover covers the openings of the water storage and drainage grooves; 2, paving a cushion layer below the water storage and drainage grooves and the green belts;
the green belt comprises a water-permeable blind pipe, an overflow pipe, an anti-seepage composite geomembrane, a gravel layer, a water-permeable geotextile and a planting layer, wherein the anti-seepage composite geomembrane, the gravel layer, the water-permeable geotextile and the planting layer are sequentially arranged from bottom to top;
temporary isolation plates are vertically arranged on the inner side walls of the green belts close to the 2 water storage and drainage grooves, fine sand is filled in a cavity formed by the temporary isolation plates and the drainage road edge stones, and a fine sand filter layer is formed by coarse sand and permeable geotextile in the horizontal direction; planting soil is cultivated on the planting layer between the two isolation plates, and the temporary isolation plates are drawn out after the planting soil is cultivated.
2. The system as claimed in claim 1, wherein the water storage and drainage channel is provided with a drainage hole, a water seepage hole and a water inlet hole, the drainage hole is located at the upper portion of the inner side wall of the water storage and drainage channel near the green belt, the water seepage hole is located at the lower portion of the inner side wall of the water storage and drainage channel near the green belt, the water seepage hole is located below the drainage hole, the water inlet hole is located at the outer side wall of the water storage and drainage channel near the road, and the road rainwater enters the water storage and drainage channel through the water inlet hole.
3. The greenbelt water storage and drainage curb system of claim 2, wherein the drain hole is higher than the inlet hole, and the drain hole is higher than the planting layer plane of the greenbelt.
4. A green belt water storage and drainage curb system as claimed in claim 2 wherein the weep holes are in a plurality of rows, the top row of weep holes and the bottom row of weep holes are located in the fine sand filter layer area, water passes from the weep holes through the fine sand filter layer into the planting layer.
5. The water storage and drainage curb system of claim 1 wherein the water storage and drainage channel is an inverted right-angled pentagon with an upper portion of a rectangle and an lower portion of an inverted right-angled trapezoid, and is prefabricated from reinforced concrete, and the water storage and drainage channel is hollow inside.
6. The greenbelt water storage and drainage curb system of claim 1 wherein the water storage and drainage channel is provided with an access cover seat frame on both sides of the upper end of the inner wall and is prefabricated integrally with the water storage and drainage channel, and the access cover directly covers the opening of the water storage and drainage channel and is arranged on the access cover seat frame.
7. The greenbelt water storage and drainage curb system of claim 1 wherein the access cover is a water storage and drainage trough cover plate, rectangular, made of reinforced concrete, the access cover having a width equal to the inside diameter width of the opening in the water storage and drainage trough.
8. The green belt water storage and drainage curb system of claim 1 wherein the access cover is perforated with an opening hole.
9. The green belt water storage and drainage curb stone system of claim 1 further comprising a dry green plant irrigation system, the dry green plant irrigation system further comprising an irrigation pipe disposed on a surface of the planting layer and a water inlet pipe passing through the access cover into the water storage and drainage channel, the irrigation pipe and the water inlet pipe both being connected to the catch basin for irrigation when the green plants are dry.
10. A method for storing and draining water in a green belt comprises the following steps:
s1: leveling the tamped green belts and the hard pavement base surface, paving a cushion layer according to the terrain elevation, and tamping and leveling the cushion layer;
s2: laying an anti-seepage composite geomembrane on the cushion layers of the green belt and the hard pavement, planning and paying off, marking the areas of the green belt and the hard pavement, and installing a water storage and drainage groove on the outer edge of the green belt.
S3: fixing water storage and drainage grooves according to the length of the green belt, and jointing two adjacent water storage and drainage grooves by using waterproof cement mortar;
s4: after the water storage and drainage grooves are connected, a gravel layer is laid on the anti-seepage composite geomembrane, the water storage and drainage grooves are further fixed, the gravel is laid in the central line position of the water storage and drainage grooves, simultaneously, the water permeable blind pipes wrapped with the water permeable geotextile are laid and connected with the rainwater well, the overflow pipes are vertically arranged with the base surface of the cushion layer, and the bottoms of the overflow pipes are connected with the water permeable blind pipes;
s5: paving permeable geotextile on the crushed stone layer of the green belt, wherein the permeable geotextile extends to cover the outer vertical surface of the water storage and drainage grooves at two sides of the whole green belt, which is close to one side of the green belt;
s6: a temporary isolation plate is vertically arranged at a position 5-10cm away from the inner side wall of the water storage and drainage groove on the inner side of the green belt, fine sand is filled in a cavity formed by the temporary isolation plate and the drainage road edge stone, and a filtering layer is formed by coarse sand and permeable geotextile in the horizontal direction; planting soil is planted between the two temporary isolation plates, and the temporary isolation plates are drawn out after the planting soil is well planted;
s7: and covering an access cover, planting green plants in the green belt, constructing corresponding hard pavements outside the green belt according to the divided regional functions, wherein the slopes of all the hard pavements incline to one side of the green belt, and the slopes are controlled within 1-5 degrees, so that rainwater on the hard pavements can be timely drained to a green belt water storage and drainage road edge stone system when raining.
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Denomination of invention: A kind of green belt storage and drainage road along stone system and storage and drainage method Effective date of registration: 20220906 Granted publication date: 20210903 Pledgee: Bank of China Limited Guangzhou Yuexiu Branch Pledgor: GUANGDONG DONGLEE ENVIRONMENT Co.,Ltd. Registration number: Y2022440000231 |
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