CN214301528U - Sponge transformation system for urban river retaining wall - Google Patents

Sponge transformation system for urban river retaining wall Download PDF

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Publication number
CN214301528U
CN214301528U CN202022943159.0U CN202022943159U CN214301528U CN 214301528 U CN214301528 U CN 214301528U CN 202022943159 U CN202022943159 U CN 202022943159U CN 214301528 U CN214301528 U CN 214301528U
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China
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retaining wall
river
ground
barricade
wall
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CN202022943159.0U
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Chinese (zh)
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吴坤坤
万里飘
李剑
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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    • 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
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/30Flood prevention; Flood or storm water management, e.g. using flood barriers

Abstract

The utility model relates to a river course engineering technical field especially relates to a spongization transformation system of city river course barricade, including the perpendicular green wall that is equipped with plant module, plant the planting groove that has aquatic plant, have the ground of permeating water of infiltration function and have the formula greenery patches that sinks of retaining function, perpendicular green wall sets up along the preceding facade of barricade, plants the front side of barricade in the groove, and the ground of permeating water and formula greenery patches all locate on the land area of barricade rear side with sinking. The vertical green wall plays roles in retaining wall, bank protection, facade beautification and partial river water purification; the planting groove plays a role in purifying the water quality of the river channel and constructing the landscape of the river channel; the permeable ground can increase the rainwater penetration amount and reduce surface runoff; the sunken green land has the function of collecting and storing surface runoff rainwater on the peripheral road squares. Therefore, the spongy modification system can furthest realize the penetration, storage, regulation and river rainwater purification of rainwater in urban areas on the premise of ensuring the safety of urban drainage and waterlogging prevention.

Description

Sponge transformation system for urban river retaining wall
Technical Field
The utility model relates to a river course engineering technical field especially relates to a spongy transformation system of city river course barricade.
Background
The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, absorbs water, stores water, seeps water and purifies water during raining, and releases and utilizes the stored water when needed. The traditional city construction mode is that a hardened road surface is located everywhere, water is drained mainly by means of 'grey' facilities such as pipe channels and pump stations in case of heavy rain, and 'quick removal' and 'tail end centralized' control are taken as main planning and design concepts, so that waterlogging and drought and flood rush turning are often caused in case of rain, and a river retaining wall in a city area is generally in a reinforced concrete retaining wall or a grout block stone retaining wall structure type, districts, factories and the like are generally arranged in land areas on two sides, the land utilization range is severely limited, and the ecological river channel built in a high-density central city area is a technical problem.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a spongy transformation system of city river barricade can realize that the rainwater stores up and the infiltration in urban area to overcome prior art's above-mentioned defect.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a spongization transformation system of city river course barricade, including the perpendicular green wall that is equipped with the plant module, plant the planting groove that has aquatic plant, have the ground that permeates water of infiltration function and the formula greenery patches that sink that has the retaining function, perpendicular green wall sets up along the preceding facade of barricade, plants the front side of barricade is located to the groove, and the ground that permeates water and the formula greenery patches that sink all locate on the land territory of barricade rear side.
Preferably, the vertical green wall is a light steel structure mounted on the front facade of the retaining wall, and the plant module is mounted on the light steel structure.
Preferably, the vertical green wall is spaced from the front facade of the retaining wall.
Preferably, the planting groove comprises a wood pile retaining wall arranged at the edge of the river channel and a planting area located between the wood pile retaining wall and the retaining wall.
Preferably, the timber pile retaining wall includes the closely arranged pine timber pile of locating the river course edge, lays the geotechnological cloth on the surface of a back side of closely arranged pine timber pile and locates the fixed beam on the geotechnological cloth, and the fixed beam is connected with geotechnological cloth and closely arranged pine timber pile.
Preferably, the permeable ground comprises a graded gravel layer, a permeable concrete layer, a medium sand layer and a permeable brick layer which are sequentially laid on the rammed plain soil from bottom to top.
Preferably, the sunk green land comprises a covering layer laid on the original soil and an aquifer positioned on the covering layer, wherein the aquifer is a water storage space sunk relative to the ground.
Preferably, the ground has a slope towards a sunken green.
Preferably, a drain pipe is arranged in the sunken green land, and the upper port of the drain pipe is positioned in the water storage layer and is lower than the ground.
Preferably, the ecological floating bed is planted with aquatic plants and is arranged on the water surface of the river.
Compared with the prior art, the utility model discloses the progress that has showing:
the spongy reforming system of the urban river retaining wall can play a role in beautifying the retaining wall revetment elevation and purifying partial river water quality by the vertical green wall arranged on the front elevation of the retaining wall; the planting groove arranged on the front side of the retaining wall can adsorb ammonia nitrogen in runoff rainwater entering a river channel, so that the effects of purifying the water quality of the river channel and constructing a landscape of the river channel are achieved; the water permeable ground with the water seepage function can increase the rainwater seepage amount and reduce surface runoff; the sunken green land with the water storage function can play a role in collecting and storing surface runoff rainwater on the peripheral road squares. Therefore, the spongy modification system of the urban retaining wall combines natural approaches with artificial measures, can furthest realize the permeation, storage, regulation and storage of rainwater in urban areas and the purification of rainwater entering rivers on the premise of ensuring the safety of urban drainage and waterlogging prevention, and promotes the utilization of rainwater resources and the ecological environment protection.
Drawings
Fig. 1 is the embodiment of the utility model discloses a longitudinal section structure sketch map of spongization transformation system of city river retaining wall.
Fig. 2 is the cross section schematic diagram of planting the groove in the spongization transformation system of city river barricade of the embodiment of the utility model.
Fig. 3 is the embodiment of the utility model discloses in the spongization transformation system of city river barricade, the vertical section sketch map on ground permeates water.
Fig. 4 is a schematic longitudinal section of a sunken green land in the sponginized reconstruction system of the urban river retaining wall of the embodiment of the present invention.
Fig. 5 is a schematic top view of the ecological floating bed in the spongization reconstruction system of the urban river retaining wall of the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. vertical green wall 2, planting groove
21. Wood pile retaining wall 211, close-packed pine wood pile
212. Geotextile 213 and fixed beam
22. Planting area 3, permeable ground
31. Tamping plain soil 32, grading broken stone layer
33. Pervious concrete layer 34 and medium sand layer
35. Permeable brick layer 4, sinking type green land
41. Raw soil 42, cover layer
43. Water storage layer 44, drain pipe
441. Upper port 5 and ecological floating bed
51. Frame 52, planting net
53. Floating plate 10 and retaining wall
20. River course 30, land area
40. Ground surface
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, the present invention provides an embodiment of a sponginess modification system for an urban river retaining wall.
Referring to fig. 1, the spongization reconstruction system for the urban river retaining wall of the embodiment includes a vertical green wall 1 provided with plant modules, a planting tank 2 planted with aquatic plants, a water permeable ground 3 with a water seepage function, and a sunken green land 4 with a water storage function.
Wherein the vertical green wall 1 is disposed along the front facade of the retaining wall 10. The retaining wall 10 is a hardened upright retaining wall of a river 20 in an existing city for realizing a city flood control function. Herein, the front side of the retaining wall 10 refers to a side of the retaining wall 10 facing the river 20 (i.e., the water-facing side), and the rear side of the retaining wall 10 refers to a side of the retaining wall 10 facing the land area 30 beside the river 20 (i.e., the backwater side). Perpendicular green wall 1 sets up on barricade 10 front side facade, and perpendicular green wall 1 is equipped with the plant module, has planted the plant among the plant module, consequently, perpendicular green wall 1 can play barricade 10 shore protection facade beautify effect and partial river course 20 water purification effect to, perpendicular afforestation has the advantage that takes up an area of fewly, with instant effect, coverage rate are high, can make the environment neater more pleasing to the eye, effectively increase the afforestation area, reach the purpose that improves city ecological environment and view quality.
Planting groove 2 and locating the front side of barricade 10, therefore planting groove 2 and being located between 20 edges in river course and barricade 10, planting groove 2 can be used to plant emergent aquatic plants, can adsorb the ammonia nitrogen that gets into the runoff rainwater in river course 20, plays the effect that purifies river course 20 quality of water and found river course 20 view.
The permeable ground 3 and the sunken green land 4 are both provided on the land area 30 at the rear side of the retaining wall 10. The permeable ground 3 with the water seepage function can increase the rainwater seepage capacity and reduce surface runoff. The sunken green land 4 with the water storage function can play a role in collecting and storing surface runoff rainwater on the peripheral road squares.
From this, the spongization system of reforming transform of urban barricade of this embodiment combines together natural way and artificial measures, can be under the prerequisite of ensureing urban drainage prevention waterlogging safety, furthest realizes rainwater in urban area's infiltration, store up, regulation and the purification of entering river rainwater, promotes the utilization and the ecological environment protection of rainwater resource.
Referring to fig. 1, in the present embodiment, it is preferable that the vertical green wall 1 is a light steel structure installed on the front elevation of the retaining wall 10, and the planted plant modules are installed on the light steel structure. The light steel structure can form the modularized vertical green wall 1 spliced on site, and has the advantage of convenient construction.
Further, it is preferable that the vertical green wall 1 and the front vertical surface of the retaining wall 10 have a distance therebetween, the distance can prevent rainwater from eroding the retaining wall 10 to cause a safety hazard, and the distance reserves a room for installing the automatic irrigation system, and can meet the installation requirement of the automatic irrigation system.
Referring to fig. 1, in the present embodiment, preferably, the planting trough 2 includes a timber retaining wall 21 provided at the edge of the river 20 and a planting area 22 located between the timber retaining wall 21 and the retaining wall 10, and the planting area 22 is located in front of the retaining wall 10. The space between the timber pile retaining wall 21 and the retaining wall 10 can be compacted by backfill in layers to form a planting area 22. Aquatic plants, preferably emergent aquatic plants, are planted on the planting area 22.
Referring to fig. 2, preferably, the wooden-pile retaining wall 21 may include densely-arranged pine piles 211 provided at the edge of the river 20, geotextiles 212 laid on the back surface of the densely-arranged pine piles 211, and fixing beams 213 provided on the geotextiles 212, the fixing beams 213 being connected to the geotextiles 212 and the densely-arranged pine piles 211. The close-packed pine piles 211 are formed by arranging a plurality of vertical pine piles in a close-packed manner, the fixed beam 213 is a single cross beam, and the geotextile 212 and the close-packed pine piles 211 are connected and fixed by the fixed beam 213. The length of the close-packed pine piles 211 may be set to 3m to 5m, and preferably, may be set to 4 m. The diameter of the single pine pile can be 140mm-160mm, and the pine pile with the diameter of 150mm can be preferably adopted. The diameter of the fixed beam 213 may be 140mm to 160mm, and preferably, a fixed beam having a diameter of 150mm may be used.
Referring to fig. 3, in the present embodiment, the permeable ground 3 is formed by permeable pavement. Preferably, the permeable ground 3 may include a graded gravel layer 32, a permeable concrete layer 33, a medium sand layer 34 and a permeable brick layer 35 sequentially laid on the rammed earth 31 from bottom to top. The graded crushed stone layer 32 is composed of graded crushed stones laid on the compacted subsoil 31, and the thickness of the graded crushed stone layer 32 may be 150mm to 200 mm. The pervious concrete layer 33 is formed of pervious cement concrete laid on the graded crushed stone layer 32, and the thickness of the pervious concrete layer 33 may be 100mm to 150 mm. The medium sand layer 34 is formed by medium sand laid on the permeable concrete layer 33, and the thickness of the medium sand layer 34 can be 20mm-30 mm. The water permeable brick layer 35 is formed by water permeable bricks laid on the medium sand layer 34, and the thickness of the water permeable brick layer 35 can be 60mm-80 mm.
Referring to fig. 4, in the present embodiment, the sunken green land 4 preferably includes a cover layer 42 laid on the raw soil 41 and an aquifer 43 positioned on the cover layer 42, the aquifer 43 being a water storage space sunken relative to the ground 40 of the land 30. Therefore, the cover layer 42 can be planted with the greening plants in the water storage layer 43, which is beneficial to increasing the regulation and storage capacity of the sunken green land 4. Preferably, the thickness of the cover layer 42 may be 50mm to 100 mm.
Preferably, the ground 40 has a slope of the slope sunken green land 4, so that the runoff rainwater on the ground 40 around the sunken green land 4 can automatically collect near the sunken green land 4 or enter the water storage layer 43 of the sunken green land 4 through the slope of the ground 40, and the functions of collecting and storing the runoff rainwater on the surface of the square of the surrounding road by the sunken green land 4 are realized. In the present embodiment, the average sinking depth of the sunk greens 4 is set to 40mm to 60mm, and preferably, may be set to 50 mm.
Preferably, a drainage pipe 44 is arranged in the sunken green land 4, and an upper port 441 of the drainage pipe 44 is positioned in the aquifer 43 and is lower than the ground 40, so that the upper port 441 of the drainage pipe 44 can be used as an overflow port to perform an overflow function, and rainwater in the aquifer 43 exceeding the storage capacity of the sunken green land 4 can enter the drainage pipe 44 through the upper port 441 of the drainage pipe 44 and be drained into the river channel 20 through the drainage pipe 44.
Referring to fig. 1, preferably, the system for spongingly reforming a retaining wall of an urban river channel of the present embodiment further includes an ecological floating bed 5 planted with aquatic plants, and the ecological floating bed 5 is disposed on the water surface of the river channel 20. The ecological floating bed 5 can absorb nitrogen and phosphorus in the river 20 water, and has the effects of purifying the river 20 water quality, constructing the river 20 landscape and beautifying the environment.
Referring to fig. 5, in the present embodiment, preferably, the ecological floating bed 5 may include a frame 51, and the frame 51 may be a frame structure formed by splicing polyvinyl chloride pipes. A planting net 52 is arranged in the frame 51, the planting net 52 can be formed by binding latticed ropes on the frame 51, and the distance between the ropes can be set to be 0.2 m. The planting net 52 is suspended with biological fillers and planted with aquatic plants (such as floating plants). A floating plate 53 can be arranged in the frame 51, and plants for stopping water are planted on the floating plate 53. The planting net 52 and the floating plate 53 are enclosed by the frame 51, so that the aquatic plants planted on the planting net 52 and the floating plate 53 can be prevented from flooding on the water surface.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a spongization system of reforming transform of city river barricade, its characterized in that, including perpendicular green wall (1) that is equipped with the plant module, plant planting groove (2) that have aquatic plant, have permeable to water ground (3) of function and have formula greenery patches (4) that sink of retaining function, perpendicular green wall (1) sets up along the preceding facade of barricade (10), plant groove (2) and locate the front side of barricade (10), permeable to water ground (3) with formula greenery patches (4) are all located on land area (30) of barricade (10) rear side.
2. The sponginess improvement system for the urban river retaining wall according to claim 1, wherein the vertical green wall (1) is a light steel structure installed on the front vertical surface of the retaining wall (10), and the plant module is installed on the light steel structure.
3. The sponginess improvement system for city riverway retaining walls according to claim 1 or 2, characterized in that a spacing distance is arranged between the vertical green wall (1) and the front vertical surface of the retaining wall (10).
4. The sponginized reconstruction system for urban river retaining walls according to claim 1, characterized in that the planting groove (2) comprises a timber pile retaining wall (21) arranged at the edge of the river (20) and a planting area (22) located between the timber pile retaining wall (21) and the retaining wall (10).
5. The spongy reforming system for urban river retaining walls according to claim 4, wherein the timber pile retaining wall (21) comprises densely arranged pine piles (211) arranged at the edge of the river (20), geotextile (212) laid on the back surface of the densely arranged pine piles (211), and fixing beams (213) arranged on the geotextile (212), wherein the fixing beams (213) are connected with the geotextile (212) and the densely arranged pine piles (211).
6. The sponginess modification system for the urban river retaining wall according to claim 1, wherein the permeable ground (3) comprises a graded gravel layer (32), a permeable concrete layer (33), a medium sand layer (34) and a permeable brick layer (35) which are sequentially laid on the rammed plain soil (31) from bottom to top.
7. The sponginess renovation system of the city riverway retaining wall as claimed in claim 1, wherein the sunken greenbelt (4) comprises a covering layer (42) laid on original soil (41) and an aquifer (43) positioned on the covering layer (42), and the aquifer (43) is a water storage space sunken relative to the ground (40).
8. The sponginess renovation system of the city riverway retaining wall as claimed in claim 7, wherein the ground (40) has a slope towards the sunken greenbelt (4).
9. The sponginess improvement system for city riverway retaining walls according to claim 7, characterized in that a drainage pipe (44) is arranged in the sunken green land (4), and an upper port (441) of the drainage pipe (44) is positioned in the aquifer (43) and is lower than the ground (40).
10. The sponginess reconstruction system for the urban riverway retaining wall according to claim 1, further comprising an ecological floating bed (5) planted with aquatic plants, wherein the ecological floating bed (5) is arranged on the water surface of the riverway (20).
CN202022943159.0U 2020-12-07 2020-12-07 Sponge transformation system for urban river retaining wall Active CN214301528U (en)

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CN202022943159.0U CN214301528U (en) 2020-12-07 2020-12-07 Sponge transformation system for urban river retaining wall

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411578A (en) * 2022-02-18 2022-04-29 济南市市政工程设计研究院(集团)有限责任公司 Box culvert structure for underpass railway and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411578A (en) * 2022-02-18 2022-04-29 济南市市政工程设计研究院(集团)有限责任公司 Box culvert structure for underpass railway and construction method
CN114411578B (en) * 2022-02-18 2023-08-22 济南市市政工程设计研究院(集团)有限责任公司 Box culvert structure of underpass railway and construction method

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