CN215858104U - Airport side slope open drain structure with slow release function - Google Patents

Airport side slope open drain structure with slow release function Download PDF

Info

Publication number
CN215858104U
CN215858104U CN202122290853.1U CN202122290853U CN215858104U CN 215858104 U CN215858104 U CN 215858104U CN 202122290853 U CN202122290853 U CN 202122290853U CN 215858104 U CN215858104 U CN 215858104U
Authority
CN
China
Prior art keywords
layer
slow
drainage
airport
slow release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122290853.1U
Other languages
Chinese (zh)
Inventor
王近
马耀鲁
潘国瑞
廖源铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Kunming Engineering Corp Ltd
Original Assignee
PowerChina Kunming Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Kunming Engineering Corp Ltd filed Critical PowerChina Kunming Engineering Corp Ltd
Priority to CN202122290853.1U priority Critical patent/CN215858104U/en
Application granted granted Critical
Publication of CN215858104U publication Critical patent/CN215858104U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The utility model relates to an airport side slope open drain structure with a slow release function, which is transversely arranged on a side slope and comprises a slow release detention groove; the slow-release detention tank is U-shaped and comprises a detention storage layer, a planting layer, an artificial packing layer, a coarse sand drainage layer, a gravel drainage layer, a water-permeable geotextile and a soft water-permeable pipe; the accumulation layer, the planting layer, the artificial packing layer, the coarse sand drainage layer and the gravel drainage layer are sequentially arranged from top to bottom; a soft water permeable pipe is arranged in the gravel drainage layer; the permeable geotextile is arranged between the coarse sand drainage layer and the gravel drainage layer; and the side walls and the bottoms of the two sides of the slow-release detention groove are coated with asphalt seal layers. The utility model can effectively accumulate rainwater on the airport side slope during rainstorm, slow down the scouring action of the rainwater on the airport side slope and has important significance and value for protecting the airport high side slope; the utility model has important environmental protection significance for recycling rainwater in arid and water resource-deficient areas.

Description

Airport side slope open drain structure with slow release function
Technical Field
The utility model relates to the field of airport slope drainage design, in particular to an airport slope open drain structure with a slow release function.
Background
For the high-fill airport side slope, in order to reduce the influence of surface water and underground water on the stability of the side slope, a surface drainage system is arranged according to the actual condition. Besides the water intercepting ditches arranged at the periphery of the slope top to reduce the inflow of peripheral runoff, complete transverse and longitudinal drainage ditch systems are also required to be arranged on the slope surface of the side slope, and the rainfall on the slope surface is collected into each transverse drainage ditch and flows out of the field from the longitudinal drainage ditch along the slope, so that the smooth drainage of the slope surface is ensured. And secondly, the stability and durability of the side slope can be further improved through certain vegetation protection or engineering protection.
Under the rainfall condition, the slope rainfall can be quickly gathered into the transverse drainage ditches, but for the longitudinal drainage ditches, the longitudinal drainage ditches need to receive the rainfall gathered along the slope in the transverse drainage ditches and also need to receive the rainfall flushed by the broken surfaces between the adjacent transverse drainage ditches. The size and the gradient of the longitudinal drainage ditch are enlarged, so that the drainage capacity of the longitudinal drainage ditch can be obviously improved, and the corresponding drainage requirement is met. But is influenced by factors such as slope gradient of a side slope, length of a slope, water drainage lines inside and outside a field and the like, and the measures have certain construction restriction and uncontrollable actual cost. Under the condition of strong rainfall in a short time, the drainage pressure of the longitudinal drainage ditch is increased rapidly, and the technical problem to be solved is how to improve the local slow release capacity of the drainage ditch on the premise of not changing the overall size and gradient of the drainage ditch.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an airport slope open drain structure with a slow release function.
The utility model is realized by adopting the following technical scheme.
An airport side slope open drain structure with slow release function, the structure is transversely arranged on the side slope land, comprising a slow release detention groove 14;
the slow-release detention tank 14 is U-shaped and comprises a detention storage layer 1, a planting layer 2, an artificial packing layer 3, a coarse sand drainage layer 4, a gravel drainage layer 5, a permeable geotextile 6 and a soft permeable pipe 7;
the accumulation layer 1, the planting layer 2, the artificial packing layer 3, the coarse sand drainage layer 4 and the gravel drainage layer 5 are arranged in sequence from top to bottom;
a soft permeable pipe 7 is arranged in the gravel drainage layer 5; the soft permeable pipe 7 penetrates out of the slow release detention groove 14 and extends outside; the redundant rainwater at the bottom of the drainage ditch can also be discharged to a downstream drainage area through a soft permeable pipe 7;
the permeable geotextile 6 is arranged between the coarse sand drainage layer 4 and the gravel drainage layer 5;
the side walls and the bottoms of the two sides of the slow-release detention groove 14 are coated with asphalt seal layers 8.
The accumulation layer 1 is positioned at the top of the slow-release retention tank 14, so that the requirement of drainage specifications is met, and the water storage and beauty functions are realized; the planting layer 2 comprises planting soil, vegetation can be selectively planted on the planting soil, the planting soil is sandy soil with a large permeability coefficient, and the water seepage capability is strong. If the vegetation is selected, the thickness of the planting soil is determined according to the plant type; the artificial filler layer 3 is made of soil with large porosity and has enough water seepage capability. In order to prevent that soil particles from blocking up the hole pipe and playing the ventilation effect, coarse sand drainage blanket 4 and rubble drainage blanket 5 that are equipped with between artificial packing layer 3 and rubble drainage blanket 5, rubble drainage blanket 5 comprises the rubble of great diameter, and has still laid the pipe 7 that permeates water of the soft formula in rubble drainage blanket 5, and the rainwater through the infiltration passes through the pipe 7 that permeates water of soft formula and collects and get into airport off-site drainage facility.
The structure of the utility model comprises an overflow clapboard 9 and a sewage interception hanging basket 10; the overflow baffle plate 9 and the sewage intercepting hanging basket 10 are both arranged on one side of the slow-release detention tank 14 facing the downward slope; the overflow baffle 9 is longitudinally arranged on the inner side wall of the slow-release detention tank 14, and the overflow height of water in the slow-release detention tank 14 is controlled; the sewage intercepting hanging basket 10 is hung on the outer side wall of the slow-release detention groove 14. When rainwater in the drainage ditch is rich, the rainwater can overflow through the overflow partition plate 9 to the sewage intercepting hanging basket 10 for simple filtration and then is discharged to a downstream drainage facility. The sewage intercepting hanging basket 10 is made of materials, and the size and the dimension are determined according to the actual water quantity and the actual water quality.
The structure comprises a kerbstone 11, wherein the kerbstone 11 is arranged outside a slow-release detention groove 14; a curb outlet 12 is opened in the curb 11 on the side facing the downhill.
The overflow partition plate 9 is 15-25 cm lower than the top of the kerb 11.
The single length of the kerbstone 11 is set to be 1m, and the height is set to be 15 cm; the distance between adjacent kerb exits 12 is set to 30 m.
The depth of the stagnation storage layer 1 is set to be 10-25 cm.
The thickness of the artificial filler layer 3 is set to be 30-35 cm.
The coarse sand grain diameter L1 of the coarse sand drainage layer 4 is set to be more than or equal to 3cm and less than or equal to L1 and less than or equal to 5cm, and the thickness is set to be 15 cm; the diameter L2 of the crushed stone drainage layer 5 is set to be more than or equal to 45mm and less than or equal to L2 and less than or equal to 55 mm; the thickness was set at 30 cm.
The diameter of the flexible permeable pipe 7 is set to be 100 mm; the thickness of the asphalt seal layer 8 is set to be 0.5-1 cm.
The utility model is provided with a steep connecting groove 13 at the downstream of the sewage intercepting hanging basket 10, and the soft permeable pipe 7 extends to the lower part of the steep connecting groove 13.
The utility model has the beneficial effects that:
1) the slow release function of the structure of the utility model is exerted, the downstream water quantity is effectively relieved, and the problem of unsmooth local drainage caused by short-time strong rainfall is solved.
2) The utility model can flexibly carry out full-line setting (newly built engineering) or local setting (later engineering reconstruction and extension) according to requirements, and carry out targeted setting and differential layout aiming at the drainage problem.
3) Considering the overflow phenomenon that probably appears under the extreme rainfall condition, can set up in the escape canal outside and cut dirty basket of hanging, effectively reduce the solid waste to the damming of drainage, effectively reduce the clearance and maintain the degree of difficulty and cost.
4) The method is green and environment-friendly, reduces the pollution and the scouring of solid pollutants to the broken surface, and accords with the design concept of a four-type airport.
5) The utility model can effectively accumulate the rainwater on the airport side slope during rainstorm, slow down the scouring action of the rainwater on the airport side slope, increase the greening and the beauty of the airport side slope, fully utilize the rainwater resource and relieve the flooding phenomenon of the airport, thereby having important significance and value for protecting the high side slope of the airport.
6) The utility model has important environmental protection significance for recycling rainwater in arid and water resource-deficient areas.
The utility model is further explained below with reference to the drawings and the detailed description.
Drawings
FIG. 1 shows a cross-sectional structure of a slow-release retention tank;
FIG. 2 is a schematic view of an overflow outlet downstream of a drain;
FIG. 3 is a schematic view of an overflow outlet downstream of a drain;
FIG. 4 is a schematic view of the connection between the overflow outlets of the steep tank;
FIG. 5 is a schematic view of the connection between the overflow outlets of the steep tank;
fig. 6 is a schematic view of the overflow outlet of the connecting steep groove.
The reference numbers in the figures are: 1-stagnation storage layer, 2-planting layer, 3-artificial filler layer, 4-coarse sand drainage layer, 5-gravel drainage layer, 6-permeable geotextile layer, 7-soft permeable pipe, 8-asphalt seal layer, 9-overflow partition, 10-sewage interception hanging basket, 11-curb, 12-curb outlet, 13-connection steep groove and 14-slow-release detention groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An airport side slope open drain structure with slow release function, the structure is transversely arranged on the side slope land, comprising a slow release detention groove 14;
the slow-release detention tank 14 is U-shaped and comprises a detention storage layer 1, a planting layer 2, an artificial packing layer 3, a coarse sand drainage layer 4, a gravel drainage layer 5, a permeable geotextile 6 and a soft permeable pipe 7;
the accumulation layer 1, the planting layer 2, the artificial packing layer 3, the coarse sand drainage layer 4 and the gravel drainage layer 5 are arranged in sequence from top to bottom;
a soft permeable pipe 7 is arranged in the gravel drainage layer 5; the soft permeable pipe 7 penetrates out of the slow release detention groove 14 and extends outside; the redundant rainwater at the bottom of the drainage ditch can also be discharged to a downstream drainage area through a soft permeable pipe 7;
the permeable geotextile 6 is arranged between the coarse sand drainage layer 4 and the gravel drainage layer 5;
the side walls and the bottoms of the two sides of the slow-release detention groove 14 are coated with asphalt seal layers 8. The accumulation layer 1 is positioned at the top of the slow-release retention tank 14, so that the requirement of drainage specifications is met, and the water storage and beauty functions are realized; the planting layer 2 comprises planting soil, vegetation can be selectively planted on the planting soil, the planting soil is sandy soil with a large permeability coefficient, and the water seepage capability is strong. If the vegetation is selected, the thickness of the planting soil is determined according to the plant type; the artificial filler layer 3 is made of soil with large porosity and has enough water seepage capability. In order to prevent that soil particles from blocking up the hole pipe and playing the ventilation effect, coarse sand drainage blanket 4 and rubble drainage blanket 5 that are equipped with between artificial packing layer 3 and rubble drainage blanket 5, rubble drainage blanket 5 comprises the rubble of great diameter, and has still laid the pipe 7 that permeates water of the soft formula in rubble drainage blanket 5, and the rainwater through the infiltration passes through the pipe 7 that permeates water of soft formula and collects and get into airport off-site drainage facility.
The structure of the utility model comprises an overflow clapboard 9 and a sewage interception hanging basket 10; the overflow baffle plate 9 and the sewage intercepting hanging basket 10 are both arranged on one side of the slow-release detention tank 14 facing the downward slope; the overflow baffle 9 is longitudinally arranged on the inner side wall of the slow-release detention tank 14, and the overflow height of water in the slow-release detention tank 14 is controlled; the sewage intercepting hanging basket 10 is hung on the outer side wall of the slow-release detention groove 14. When rainwater in the drainage ditch is rich, the rainwater can overflow through the overflow partition plate 9 to the sewage intercepting hanging basket 10 for simple filtration and then is discharged to a downstream drainage facility. The sewage intercepting hanging basket 10 is made of materials, and the size and the dimension are determined according to the actual water quantity and the actual water quality.
The structure comprises a kerbstone 11, wherein the kerbstone 11 is arranged outside a slow-release detention groove 14; a curb outlet 12 is opened in the curb 11 on the side facing the downhill.
The overflow partition plate 9 is 15-25 cm lower than the top of the kerb 11.
The single length of the kerbstone 11 is set to be 1m, and the height is set to be 15 cm; the distance between adjacent kerb exits 12 is set to 30 m.
The depth of the stagnation storage layer 1 is set to be 10-25 cm.
The thickness of the artificial filler layer 3 is set to be 30-35 cm.
The coarse sand grain diameter L1 of the coarse sand drainage layer 4 is set to be more than or equal to 3cm and less than or equal to L1 and less than or equal to 5cm, and the thickness is set to be 15 cm; the diameter L2 of the crushed stone drainage layer 5 is set to be more than or equal to 45mm and less than or equal to L2 and less than or equal to 55 mm; the thickness was set at 30 cm.
The diameter of the flexible permeable pipe 7 is set to be 100 mm; the thickness of the asphalt seal layer 8 is set to be 0.5-1 cm.
The utility model is provided with a steep connecting groove 13 at the downstream of the sewage intercepting hanging basket 10, and the soft permeable pipe 7 extends to the lower part of the steep connecting groove 13.
Example (b):
see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6.
The utility model provides a technical scheme that: an airport slope open drain structure with a slow release function comprises a slow release detention groove (14), wherein a detention storage layer 1, a planting layer 2, an artificial packing layer 3, a coarse sand drainage layer 4 and a gravel drainage layer 5 are sequentially paved from top to bottom, the section structure of the slow release detention groove 14 is in a U shape, the side walls and the bottom of two sides are coated with asphalt seal layers 8 and are added with permeable geotextiles 6, the permeable geotextiles 6 are arranged between the coarse sand drainage layer 4 and the gravel drainage layer 5, and the bottom is provided with a soft permeable pipe 7; the middle part is connected with the overflow outlet of the steep groove and comprises a slow release detention groove 14, an overflow baffle plate 9, a sewage interception hanging basket 10, a kerbstone 11, a kerbstone outlet 12 and a connection steep groove 13; the downstream overflow outlet comprises a slow-release detention groove 14, a soft permeable pipe 7, an overflow baffle plate 9 and a sewage interception hanging basket 10.
The accumulation layer 1 is positioned at the top of the slow-release retention groove 14, the depth of the accumulation layer is, for example, but not limited to 10-25 cm, the accumulation layer not only meets the drainage standard requirement, but also has water storage and aesthetic functions; the planting layer 2 comprises planting soil, vegetation can be selectively planted on the planting soil, the planting soil is sandy soil with a large permeability coefficient, and the water seepage capability is strong. If the vegetation is selected, the vegetation is aquatic vegetation with a plurality of years, developed root systems and good water resistance, such as cattail, warhead, hemerocallis and the like, and the thickness of the planting soil is determined according to the types of plants, such as but not limited to planting herbaceous flower plants (15-20 cm) and planting shrubs (20-30 cm); the artificial filler layer 3 is composed of soil with high porosity, the thickness of the artificial filler layer 3 is 30cm, and the permeability coefficient of the filler of the layer is 0.001 cm/s. If the water permeability coefficient is too large, the water retention capacity is poor, otherwise, accumulated water cannot seep downwards in time, and the drainage efficiency is reduced. In order to prevent soil particles from blocking the hole pipe and achieve a ventilation effect, a coarse sand drainage layer 4 with the coarse sand particle size of less than 5cm is arranged between the artificial filler layer 3 and the gravel drainage layer 5, and the thickness of the coarse sand drainage layer 4 is, for example, but not limited to 15 cm; the gravel drainage layer 5 is positioned at the bottom of the slow-release detention tank 14, the thickness of the gravel drainage layer 5 is 30cm, for example but not limited to, the gravel drainage layer 5 is composed of gravel with the diameter of 45-55 mm, a soft water-permeable pipe 7 with the diameter of 100mm is further laid in the gravel drainage layer 5, and rainwater subjected to percolation is collected through the soft water-permeable pipe 7 and enters a drainage facility outside an airport field; the groove walls and the bottoms of the two sides of the drainage ditch are coated with asphalt seal layers 8 with the thickness of 0.5-1 cm, and waterproof geotextile is covered on the asphalt seal layers 8; a permeable geotextile layer 6 is arranged between the coarse sand drainage layer 4 and the gravel drainage layer 5; the downstream exit in escape canal sets up overflow baffle 9, and accessible overflow baffle 9 overflow when rainwater is abundant in the escape canal is simply filtered to cutting dirty basket 10, and the back row is to the low reaches facility of sluicing. The redundant rainwater in the bottom of the drainage ditch can also be discharged to a downstream drainage area through the soft permeable pipe 7. The overflow baffles are 15cm to 25cm (for example, but not limited to) below the roof of the gutter wall of the drainage ditch; the sewage intercepting hanging basket 10 is set with materials, size and dimension according to the actual water quantity and water quality; except that the export of escape canal low reaches sets up overflow baffle and cuts dirty basket of hanging, also set up the overflow mouth in the middle of the escape canal, the overflow mouth interval is confirmed according to the steep groove position of side slope torrent, and the opening part of overflow mouth is provided with cuts dirty basket of hanging. The curb is arranged outside the side slope drainage ditch, the size of the curb and the size of an opening between two adjacent kerbs can be adjusted according to drainage requirements and the terrain (for example, but not limited to, the length is 1m, the height is 15cm, and the distance between the openings of each curb is 30 m).
The above description is only a specific embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. An airport side slope drainage open ditch structure with a slow release function is characterized in that the structure is transversely arranged on a side slope and comprises a slow release detention groove (14);
the slow-release detention tank (14) is U-shaped and comprises a detention storage layer (1), a planting layer (2), an artificial packing layer (3), a coarse sand drainage layer (4), a gravel drainage layer (5), a water permeable geotextile (6) and a soft water permeable pipe (7);
the accumulation layer (1), the planting layer (2), the artificial filler layer (3), the coarse sand drainage layer (4) and the gravel drainage layer (5) are sequentially arranged from top to bottom;
a soft permeable pipe (7) is arranged in the gravel drainage layer (5); the soft water permeable pipe (7) penetrates out of the groove body of the slow release detention groove (14) and extends outside;
the permeable geotextile (6) is arranged between the coarse sand drainage layer (4) and the gravel drainage layer (5);
the side walls and the bottoms of the two sides of the slow-release detention groove (14) are coated with asphalt seal layers (8).
2. The airport slope drainage open channel structure with the slow release function as claimed in claim 1, characterized in that the structure comprises an overflow baffle (9), a sewage interception hanging basket (10); the overflow baffle (9) and the sewage intercepting hanging basket (10) are both arranged on one side of the slow-release detention tank (14) facing the downward slope; the overflow partition plate (9) is longitudinally arranged on the inner side wall of the slow-release retention tank (14), and the overflow height of water in the slow-release retention tank (14) is controlled; the sewage intercepting hanging basket (10) is hung on the outer side wall of the slow-release detention groove (14).
3. The airport slope drainage open channel structure with the slow release function as claimed in claim 2, characterized in that the structure comprises a curb (11), wherein the curb (11) is arranged outside the slow release detention groove (14); a kerbstone outlet (12) is arranged on the kerbstone (11) facing the downslope.
4. The airport slope drainage open channel structure with slow release function as claimed in claim 3, wherein the overflow baffle (9) is 15-25 cm lower than the top of the curb (11).
5. The airport slope drainage open channel structure with slow release function according to claim 3 or 4, characterized in that the single length of the curb (11) is set to 1m, and the height is set to 15 cm; the distance between adjacent kerb outlets (12) is set to 30 m.
6. The airport slope drainage open ditch structure with slow release function according to claim 1, 2, 3 or 4, characterized in that the depth of the accumulation layer (1) is set to 10-25 cm.
7. The airport slope drainage open ditch structure with slow release function according to claim 1, 2, 3 or 4, characterized in that the thickness of the artificial filler layer (3) is set to be 30-35 cm.
8. The airport slope open drain structure with slow release function as claimed in claim 1, 2, 3 or 4, wherein the grit diameter L1 of the grit drainage layer (4) is set to 3cm < L1 < 5cm, and the thickness is set to 15 cm; the diameter L2 of the crushed stone drainage layer (5) is set to be more than or equal to 45mm and less than or equal to L2 and less than or equal to 55 mm; the thickness was set at 30 cm.
9. The airport slope drainage open channel structure with slow release function as claimed in claim 1, 2, 3 or 4, wherein the diameter of the soft water permeable pipe (7) is set to 100 mm; the thickness of the asphalt seal layer (8) is set to be 0.5-1 cm.
10. The airport slope open drain structure with slow release function according to claim 1, 2, 3 or 4, characterized in that a connection steep groove (13) is arranged at the downstream of the sewage interception hanging basket (10), and the soft water permeable pipe (7) extends to the lower part of the connection steep groove (13).
CN202122290853.1U 2021-09-22 2021-09-22 Airport side slope open drain structure with slow release function Active CN215858104U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122290853.1U CN215858104U (en) 2021-09-22 2021-09-22 Airport side slope open drain structure with slow release function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122290853.1U CN215858104U (en) 2021-09-22 2021-09-22 Airport side slope open drain structure with slow release function

Publications (1)

Publication Number Publication Date
CN215858104U true CN215858104U (en) 2022-02-18

Family

ID=80255658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122290853.1U Active CN215858104U (en) 2021-09-22 2021-09-22 Airport side slope open drain structure with slow release function

Country Status (1)

Country Link
CN (1) CN215858104U (en)

Similar Documents

Publication Publication Date Title
CN106869237B (en) A kind of gardens rainwater-collecting water storage system and its construction method
CN110249844B (en) Street tree pool with water storage and drainage device
CN209873997U (en) Road rainwater recovery system is used in sponge city construction
CN103643612A (en) Shallow grass furrow and manufacturing method of shallow grass furrow
CN106906888A (en) A kind of residential quarter sponge urban facilities system
CN211283925U (en) Formula of sinking buffering area highway runoff purifier
CN211057960U (en) Stepped rainwater storage and purification ecological retention system
CN208379724U (en) The Rain Garden of Collapsible Loess District
CN215858104U (en) Airport side slope open drain structure with slow release function
CN211421345U (en) Biological detention belt system
CN211745563U (en) Be used for circuitous shape formula environmental protection greenbelt that caves in both sides of road
CN212506609U (en) Sponge city oozes row structure
CN210263284U (en) Gardens drainage structures
CN211547157U (en) Sponge urban road
CN112112172A (en) Ecological bank protection system of sectional type interception water purification
CN217974670U (en) Water storage and drainage system for central green belt of road
CN211721238U (en) Ecological grass planting ditch of view square
CN113073706B (en) Submerged flow intercepting water intake structure and construction method
CN216918931U (en) Landscape road rainwater collecting and purifying device
CN214423041U (en) Ecological permeable road
CN213868148U (en) Rainwater garden for building sponge city
CN217711015U (en) Rainwater garden communication overflow system based on different water level gradients
CN213867866U (en) Ecological bank protection system of sectional type interception water purification
CN211898152U (en) Ecological structure of city river bank road
CN212505699U (en) Sponge urban road drainage structures

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant