CN213328973U

CN213328973U - Ecological corridor constructed on hard vertical revetment foundation

Info

Publication number: CN213328973U
Application number: CN202020852554.5U
Authority: CN
Inventors: 石普霖; 唐利; 马奇峰; 刘新静; 姜娟; 郑如霞
Original assignee: Shanghai Landscape Architecture Design & Research Institute Co ltd
Current assignee: Shanghai Landscape Architecture Design & Research Institute Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-06-01
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses an ecological corridor constructed on a hard vertical revetment foundation, which comprises a supporting unit, a planting unit above the normal water level, and a planting unit below the normal water level. One end of the supporting steel frame is connected with the top of the vertical revetment, and the other end extends along the length direction of the revetment to the corner of the vertical revetment. The bottom of the steel pipe pile is plunged into the soil, and the top is connected to the supporting steel frame. Angle steels are arranged at intervals on the slope surface of the steel frame, and the planting units above the water level and the planting units below the constant water level are all arranged on the slope surface of the supporting steel frame. The utility model avoids the occurrence of vertical faults by constructing a continuous water and land ecological corridor, the vegetation community extending to the bottom of the revetment is helpful for the reproduction and diffusion of benthic animals, and the reasonable slope and vegetation are suitable for birds and small animals in the city. It creates conditions for the feeding, habitation and migration of wild animals such as species.

Description

Ecological corridor constructed on hard vertical revetment foundation

Technical Field

The utility model belongs to the technical field of the river course is administered, concretely relates to found ecological corridor on perpendicular revetment basis of stereoplasm.

Background

In urban river course control, factors such as land are limited, the revetments mostly adopt a hard vertical revetments form, the effects in the aspects of flood control, waterlogging drainage and the like are better, and certain influence is generated on the ecological environment of the river course. The hard vertical revetment usually adopts structures such as reinforced concrete, masonry stone and the like, and has the defects that: (1) after the land and water boundary zone is hardened, the energy exchange of land and water substances is blocked, the water circulation is disturbed, and the inhabitation of animals and plants is not facilitated; (2) hard materials are not suitable for plant growth, cannot play a role in intercepting surface runoff pollution, and weaken the self-cleaning capacity of water; (3) the landscape effect is poor, and the aesthetic requirements of people cannot be met.

In recent years, more and more river regulation projects adopt measures of dismantling hard revetments to carry out ecological reconstruction, and revetments are rebuilt on the broken soil. This approach requires redesign of the revetment and breaks the original structure, increasing the amount of work. The reconstruction of the revetment also has certain requirements on the slope, and is not suitable for areas with severely limited land. Another hard revetment reconstruction idea is to hang planting boxes on a revetment to form vertical greening and achieve a certain landscape effect, but planting boxes at different heights are not communicated, so that a continuous land-water gradual change plant community cannot be formed, and an ecological corridor between lands has a fault and is not beneficial to animal migration; in addition, the effective planting area of the planting box is small, the purification effect is limited after emergent aquatic plants are planted, and the effect of improving water quality is not obvious.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a found ecological corridor on perpendicular revetment basis of stereoplasm, the utility model discloses can be applicable to current vertical type revetment structure, and construction convenience, through constructing complete gradual amphibian vegetation community, break through the material exchange passageway between the bank, for small-size beasts, birds provide living environment and migration passageway, can play the interception effect to the surface runoff pollution, also can get rid of the nitrogen phosphorus of aquatic through the purification performance of plant and microorganism, play the effect of constructing ecology, purifying water body, beautifying the revetment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ecological corridor constructed on the basis of a hard vertical revetment, which comprises a supporting unit, a planting unit above the normal water level and a planting unit below the normal water level,

the supporting unit is including supporting steelframe and steel-pipe pile, the one end of supporting the steelframe is connected with the top of perpendicular revetment, and the other end extends to the wall angle department of perpendicular revetment along the length direction of revetment, the steel-pipe pile is followed the length direction setting of revetment, earth is pricked into to the bottom of steel-pipe pile, and the top is connected the support steelframe, the interval is provided with the angle steel on the domatic slope of support steelframe, plant the unit more than the normal water level plant the unit below the normal water level all set up support the domatic going up of steelframe and pass through the angle steel is fixed, plant the unit more than the normal water level with the cut-off line of planting the unit below the normal.

As an optimized technical scheme, one end of the steel pipe pile, which is pricked into the soil, is provided with an embedded base.

As a preferable technical scheme, the slope ratio of the supporting steel frame is less than 1: 2.

According to the preferable technical scheme, the planting unit above the normal water level comprises a rectangular support bottom and bamboo chip enclosing baffles, slots are formed in two sides of the rectangular support bottom, the bamboo chip enclosing baffles are installed in planting cavities which form U-shaped structures in the slots, and planting soil is filled in the planting cavities.

As a preferable technical scheme, land plants are planted on two sides of the planting cavity, and a diameter of 20cm wide is formed in the middle of the planting cavity.

According to the preferable technical scheme, the planting unit below the normal water level comprises a prefabricated U-shaped planting block, planting matrix is filled in the prefabricated U-shaped planting block, geotechnical cloth wraps the outside of the planting matrix, planting holes are formed in the geotechnical cloth, and aquatic plants are planted in the planting holes.

As a preferred technical scheme, the planting matrix is a mixture of gravel and biological ceramsite.

As a preferred technical scheme, a riprap banket is arranged at the toe of the supporting steel frame.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a found continuous water and land ecological corridor, avoided the appearance of perpendicular fault, the vegetation community that extends to the revetment bottom helps benthonic animal's reproduction and diffusion, and reasonable slope and vegetation have created the condition for getting food, perching, migrating of wild animals such as birds, beasts in the city.

(2) The utility model discloses utilize the stem leaf of plant to intercept the great runoff pollutant of volume, slow down the runoff velocity of flow, can reduce the suspended solid in the aquatic, improve the water transparency, provide the biofilm carrier for the microorganism through the porous structure of aquatic plant root system, planting unit, play the effect of purifying water, improving quality of water.

(3) The utility model discloses need not destroy original revetment structure, area is little, simple structure, low in cost, construction convenience embody the theory of ecology, low carbon, environmental protection, have fine economic nature, practicality and extensive suitability, be particularly suitable for in the limited, view requirement of land height, the serious river course of surface runoff pollution of earth's surface.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the ecological corridor of the present invention.

Fig. 2 is a front view of the supporting unit in the ecological corridor of the present invention.

Fig. 3 is a left side view of the supporting unit in the ecological corridor of the present invention.

Fig. 4 is a top view of the supporting unit in the ecological corridor of the present invention.

Fig. 5 is a front view of the planting unit above the normal water level in the ecological corridor of the present invention.

Fig. 6 is a cross-sectional view of the planting unit above the normal water level in the ecological corridor of the utility model along the direction of A-A.

Fig. 7 is a top view of the planting unit above the normal water level in the ecological corridor of the present invention.

Fig. 8 is a front view of the planting unit below the normal water level in the ecological corridor of the present invention.

Fig. 9 is a left side view of the planting unit below the normal water level in the ecological corridor of the present invention.

Fig. 10 is a top view of the planting unit below the normal water level in the ecological corridor of the present invention.

Wherein the reference numbers are as follows: the device comprises a supporting unit 1, a supporting steel frame 11, a steel pipe pile 12, an embedded base 13, angle steel 14, a planting unit 2 above a normal water level, a rectangular support bottom 21, a bamboo piece enclosure 22, planting soil 23, an animal diameter 24, a planting unit 3 below the normal water level, a prefabricated U-shaped planting block 31, geotextile 32, a planting matrix 33, planting holes 34, land plants 4, aquatic plants 5 and riprap foot protectors 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides an ecological corridor constructed on a hard vertical revetment foundation, which includes a supporting unit 1, a planting unit 2 above a normal water level, a planting unit 3 below the normal water level, land plants 4, aquatic plants 5 and riprap banket 6.

As shown in fig. 2-4, the upper portion of the supporting unit 1 is a supporting steel frame 11, one end of the supporting steel frame 11 is connected with the top of the original vertical revetment, the other end of the supporting steel frame 11 extends to a corner of the vertical revetment along the length direction of the vertical revetment, the gradient ratio of the supporting steel frame 11 is not more than 1:2, and a riprap banket 6 is arranged at a toe of the supporting steel frame 11 to play a role in reinforcement. The lower end face of the support steel frame 11 is supported through the steel pipe pile 12, the bottom of the steel pipe pile 12 is stabbed into underground soil, and the underground soil is kept stable through the embedded base 13.

Referring to the drawings, the planting units 2 above the normal water level and the planting units 3 below the normal water level are placed on the slope of the support steel frame 11 and fixed by angle steel 14 on the support steel frame 11, and the arrangement boundary line of the planting units 2 above the normal water level and the planting units 3 below the normal water level is the normal water level line in the embodiment.

As shown in fig. 5-7, the planting unit 2 above the normal water level uses a planting concrete precast slab as a rectangular support bottom 21, slots are arranged on two sides of the rectangular support bottom 21, bamboo sheet barriers 22 are inserted into the slots to form a planting cavity with a U-shaped structure, planting soil 23 is filled in the planting cavity, land plants 4 are planted along two sides of the planting cavity, and a width of 20cm is left in the middle as a diameter 24.

As shown in fig. 8-10, the planting unit 3 below the normal water level comprises a prefabricated U-shaped planting block 31 made of planting concrete, a planting matrix 33 is filled in the U-shaped planting block, the planting matrix 33 is formed by mixing gravel and biological ceramsite to form a porous structure, a layer of geotextile 32 wraps the outside of the planting matrix 33, and the planting matrix 33 is fixed and cannot be washed away by water flow. Plants are left on the surface of the geotextile 32, and aquatic plants 5 are planted in the planting holes 34.

In the embodiment, the stems and leaves of the land plants 4 can intercept large-volume pollutants in surface runoff, slow down the runoff flow rate, and also can build an ecological environment beneficial to inhabitation and migration of birds and small-sized beasts. The planting substrate 33 adopts a gravel and ecological ceramsite composite substrate below the normal water level, and can adsorb nitrogen and phosphorus in water. The surface of the root system of the aquatic plant 5 and the pore structure in the planting substrate 33 can provide a carrier for microorganism attachment, facilitate the formation of a biomembrane, play a role in water purification, and provide conditions for the migration and diffusion of benthonic animals and amphibians.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention can be made without departing from the spirit and scope of the present invention, and these modifications and improvements are within the spirit and scope of the present invention.

Claims

1. An ecological corridor constructed on a hard vertical revetment foundation is characterized by comprising a supporting unit, a planting unit above the normal water level and a planting unit below the normal water level,

the supporting unit is including supporting steelframe and steel-pipe pile, the one end of supporting the steelframe is connected with the top of perpendicular revetment, and the other end extends to the wall angle department of perpendicular revetment along the length direction of revetment, the steel-pipe pile is followed the length direction setting of revetment, earth is pricked into to the bottom of steel-pipe pile, and the top is connected the support steelframe, the domatic interval that goes up of support steelframe is provided with the angle steel, plant the unit above the water level the following planting unit of normal water level all sets up support the steelframe domatic going up and pass through the angle steel is fixed, plant the unit above the normal water level with the cut-off line of planting the unit below the normal water level is.

2. The ecological corridor constructed on the hard vertical revetment foundation according to claim 1, wherein the end of the steel pipe pile which is inserted into the soil is provided with an embedded base.

3. The ecological corridor constructed on the basis of the hard vertical revetment according to claim 1, wherein the slope ratio of the supporting steel frame is less than 1: 2.

4. The ecological corridor constructed on the hard vertical revetment foundation according to claim 1, wherein the planting units above the normal water level comprise a rectangular support bottom and bamboo piece enclosure barriers, slots are arranged on two sides of the rectangular support bottom, the bamboo piece enclosure barriers are installed in the slots to form planting cavities of U-shaped structures, and planting soil is filled in the planting cavities.

5. An ecological corridor constructed on a hard vertical revetment foundation as claimed in claim 4 wherein said planting cavities are planted land plants on both sides and form a 20cm wide diameter in the middle.

6. The ecological corridor constructed on the hard vertical revetment foundation according to claim 1, wherein the planting units below the normal water level comprise prefabricated U-shaped planting blocks, planting matrixes are filled in the prefabricated U-shaped planting blocks, the outer parts of the planting matrixes are wrapped with geotextiles, planting holes are formed in the geotextiles, and aquatic plants are planted in the planting holes.

7. The ecological corridor constructed on the hard vertical revetment foundation of claim 1 wherein the slope toe of the supporting steel frame is provided with a riprap banket.