CN211665698U

CN211665698U - Multistage clear water ecological slope protection

Info

Publication number: CN211665698U
Application number: CN201922105060.0U
Authority: CN
Inventors: 万芳; 李玉鹏; 梅博知; 吉迅; 祁洪涛; 张玉婷
Original assignee: Shengshi Ecology Environment Co ltd
Current assignee: Shengshi Ecology Environment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-13
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a multi-stage clear water ecological slope protection, which comprises a protective net laid along a slope surface, wherein an impermeable layer, a water filtering layer, a reinforcing net and a permeable layer are sequentially laid on the protective net along a vertical slope surface, an anchor nail is arranged in the permeable layer, and the anchor nail is vertical to the slope surface and is inserted into a side slope; the permeable bed upper surface is equipped with a plurality of footpath platforms along horizontal extension, and one side that the riverway was kept away from to the footpath platform is equipped with the escape canal, even interval is provided with a plurality of drainage ports in the escape canal, and drainage tube has inserted the drainage tube in drainage port department, the drainage tube has laid the infiltration pipe along vertical direction downwardly extending to the filtration layer in the drainage layer along domatic direction, and the lower extreme and the infiltration pipe of drainage tube are linked together, and the water outlet end of infiltration pipe stretches into the riverway. The utility model discloses structural design is simple reasonable, can reach the high-efficient purpose of purifying of water, has effectively reduced the non-point source pollution of river.

Description

Multistage clear water ecological slope protection

Technical Field

The utility model belongs to the technical field of river course non-point source pollution administers, especially, relate to an ecological bank protection of multistage clear water.

Background

Currently, correct processing of the relationship between project development and environmental protection has become an important issue for people to research economic sustainable development, and is also a problem that people must be looked at and carefully treated in engineering construction to reasonably utilize resources, protect the environment and beautify the environment. The construction of highway, water conservancy and other projects is closely related to the natural environment, and improper treatment may cause a series of ecological environment and project problems such as preparation damage, water and soil loss, landslide, slope instability and the like.

The ecological slope protection technology is characterized in that according to the ecological principle, a developed root system of a plant is utilized to deeply penetrate into slope rock soil, so that the surface soil of a slope is fixed and solidified in a wrong mode, the slope is covered after the plant grows, the humidity of the surface soil can be adjusted, and dust and wind and rain erosion are prevented; the vegetation can also reduce and stop surface runoff, prevent scouring and be beneficial to keeping water and soil.

The ecological slope protection design comprises vegetation selection, soil improvement, a construction method and a management and cultivation technology, and the purpose of slope ecological protection can be realized only when the vegetation selection, the soil improvement, the construction method and the management and cultivation technology are mutually coordinated, and a road area ecological system can be recovered and stabilized. The vegetation selection is reasonably designed according to the ecological principle, and the core lies in the specific selection of species and combined structures of the quasi-plants on the construction road section. Soil is the material basis of the slope ecosystem, and the problems to be solved by soil improvement are as follows: regulating soil nutrients, regulating soil acidity and alkalinity, improving soil permeability and adjusting soil structure. The construction method is a key implementation measure for the vertical construction of a slope soil vegetation system, and road vegetation planting technologies can be divided into an artificial planting technology, a mechanical planting technology and an artificial and mechanical combined planting technology according to different construction modes, wherein the artificial planting technology comprises the following steps: turf laying, artificial sowing and artificial transplanting, wherein the mechanical planting technology comprises the following steps: hydraulic pressure spray seeding, foreign soil spray seeding, continuous fiber reinforced soil spray seeding and thick-layer base material spray seeding, and the artificial and mechanical composite planting technology comprises the following steps: the planting belt, the three-dimensional geotechnical net pad, the geotechnical grid chamber grass planting, the rigid skeleton grass planting, the hexagonal concrete hollow block grass planting, the concrete prefabricated member skeleton grass planting and the nutrition bag. The management and cultivation technology is an important guarantee for rapid recovery of slope vegetation, and comprises a water management technology, a nutrient management technology and a trimming technology.

The research and application of the ecological slope protection technology are concerned by more and more researchers. At present, the problems of ecological slope protection are concentrated on: the landscape effect is poor, the single slope protection mode cuts off the connection between roads and the nature, the construction cost and the construction period are long, and the maintenance is not suitable; the ecological function is limited, and ecological measures such as ecological galleries and the like are lacked, so that the ecological galleries are not beneficial to the survival and the propagation of plants and microorganisms.

Disclosure of Invention

Poor, construction cost and time limit for a project are longer to present view effect, and should not maintain, the limited scheduling problem of ecological function, the utility model aims to provide an ecological bank protection of multistage clear water makes the ecological bank protection of clear water that accords with river pollution characteristics, has richened the waterfront miniascape of river course, promotes its whole view nature, ecological, effectively reduces the non-point source pollution, and structural design is simple reasonable.

In order to realize the purpose, the utility model discloses a technical scheme be:

a multi-stage clear water ecological slope protection is arranged on a side slope of a river channel and comprises a protective net laid along a slope surface, an impermeable layer, a water filtering layer, a reinforcing net and a permeable layer are sequentially laid on the protective net along a vertical slope surface, an anchor nail is arranged in the permeable layer, and the anchor nail is vertical to the slope surface and inserted into the side slope; the permeable bed upper surface is equipped with a plurality of footpath platforms along horizontal extension, and one side that the riverway was kept away from to the footpath platform is equipped with the escape canal, even interval is provided with a plurality of drainage ports in the escape canal, and drainage tube has inserted the drainage tube in drainage port department, the drainage tube has laid the infiltration pipe along vertical direction downwardly extending to the filtration layer in the drainage layer along domatic direction, and the lower extreme and the infiltration pipe of drainage tube are linked together, and the water outlet end of infiltration pipe stretches into the riverway.

Preferably, the permeable layer is formed by paving permeable bricks, plant planting holes are formed in the permeable bricks, and planting matrixes are filled in the plant planting holes.

Preferably, slope protection plants are planted in the plant planting holes.

Further, the upper surface of the water permeable brick is provided with a bar-shaped concrete plastering surface.

Preferably, the drainage ditch is provided with a water grate.

Preferably, the drainage layer comprises a planting soil layer, a zeolite powder layer and a quartz sand layer which are sequentially paved downwards along the direction of the vertical slope.

Furthermore, the thickness ratio of the planting soil layer, the zeolite powder layer and the quartz sand layer is 1: 0.8-1.2: 0.7-1.2.

Furthermore, the impermeable layer is formed by laying waterproof geotextile.

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

1. the treatment method of the utility model is a multi-stage design, the structure design is simple and reasonable, the purpose of high-efficiency purification of the water body can be achieved, and the non-point source pollution of the river is effectively reduced.

2. The specific surface area of the filler of the water filtering layer is large, and the purification efficiency is effectively improved.

3. The design of the slope plants not only adds a small landscape of the waterfront, but also has the effects of fixing the slope and purifying the water body, and has good ecological and functional properties.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a plan view of the present invention;

in the figure, a protective net 1, an impermeable layer 2, a water filtering layer 3, a reinforced net 4, a water permeable layer 5, a revetment plant 6, a footpath platform 7, a drainage ditch 8, a water grate 9, a water filtering hole 10, a drainage pipe 11, a planting soil layer 31, a zeolite powder layer 32, a quartz sand layer 33, a water seepage pipe 15 and a concrete plastering surface 16.

Detailed Description

As shown in fig. 1-2, an ecological bank protection of multistage clear water, ecological bank protection sets up on the river course side slope, including along domatic protection network 1 of laying, protection network 1 has laid barrier 2, water filtration layer 3, has reinforced net 4 and permeable bed 5 along perpendicular domatic upwards in proper order, barrier 2 adopts waterproof geotechnological cloth to lay and forms. The permeable layer 3 is formed by paving permeable bricks, plant planting holes are formed in the permeable bricks, planting matrixes are filled in the plant planting holes, slope protection plants 6 are planted in the plant planting holes, anchoring nails are arranged in the permeable layer 5, and the anchoring nails are perpendicular to the slope surface and inserted into the slope; the upper surface of the permeable layer 5 is provided with a plurality of footpath platforms 7 which transversely extend along the upper surface, one side of the footpath platform 7 far away from the river channel is provided with a drainage ditch 8, and the drainage ditch 8 is provided with a water grate 9. A plurality of water filtering holes 10 are uniformly arranged in the drainage ditch 8 at intervals, drainage tubes 11 are inserted into the water filtering holes 10, and the drainage tubes 11 extend downwards to the water filtering layer 3 along the vertical direction. The water filtering layer 3 comprises a planting soil layer 31, a zeolite powder layer 32 and a quartz sand layer 33 which are sequentially paved downwards along the direction vertical to the slope surface, the thickness ratio of the planting soil layer 31 to the zeolite powder layer 32 to the thickness ratio of the quartz sand layer 33 is 1: 0.8-1.2: 0.7-1.2, a water seepage pipe 15 is paved in the water filtering layer 3 along the direction of the slope surface, the lower end of the drainage pipe 11 is communicated with the water seepage pipe 15, and the water outlet end of the water seepage pipe 15 extends into a river channel. In order to further strengthen the integrity of the revetment, a grid-shaped concrete plastering surface 16 is arranged on the upper surface of the water permeable brick.

During specific maintenance, maintenance personnel can stand on the footpath platform 7 to plant, maintain, update and the like the slope protection plants 6. On the other hand, irrigation water or rainwater can go deep into soil through the permeable bricks of the permeable layer 5, so that water required for the growth of the slope protection plants 6 is provided, and redundant water is discharged into a river channel through the drainage tube 11 and the water seepage tube 15. In the process, the water flow is treated by the zeolite powder layer 32 and the quartz sand layer 33 of the water filtering layer 3, and is fully purified before being discharged into a river channel, so that the non-point source pollution of the river is greatly reduced.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are to make any simple modification, equivalent change and modification to the above embodiments, and still belong to the protection scope of the present invention.

Claims

1. The utility model provides an ecological bank protection of multistage clear water, ecological bank protection sets up on the river course side slope, its characterized in that: the ecological slope protection comprises a protective net laid along the slope surface, an impermeable layer, a water filtering layer, a reinforcement net and a permeable layer are sequentially laid on the protective net upwards along the vertical slope surface, anchoring nails are arranged in the permeable layer, and the anchoring nails are vertical to the slope surface and inserted into the slope; the permeable bed upper surface is equipped with a plurality of footpath platforms along horizontal extension, and one side that the riverway was kept away from to the footpath platform is equipped with the escape canal, even interval is provided with a plurality of drainage ports in the escape canal, and drainage tube has inserted the drainage tube in drainage port department, the drainage tube has laid the infiltration pipe along vertical direction downwardly extending to the filtration layer in the drainage layer along domatic direction, and the lower extreme and the infiltration pipe of drainage tube are linked together, and the water outlet end of infiltration pipe stretches into the riverway.

2. The ecological bank protection of multistage clear water of claim 1, characterized in that: the permeable layer is formed by laying permeable bricks, plant planting holes are formed in the permeable bricks, and planting matrixes are filled in the plant planting holes.

3. The ecological bank protection of multistage clear water of claim 2, characterized in that: slope protection plants are planted in the plant planting holes.

4. The ecological bank protection of multistage clear water of claim 2, characterized in that: and the upper surface of the water permeable brick is provided with a bar-shaped concrete plastering surface.

5. The ecological bank protection of multistage clear water of claim 1, characterized in that: and a water grate is arranged on the drainage ditch.

6. The ecological bank protection of multistage clear water of claim 1, characterized in that: the water filtering layer comprises a planting soil layer, a zeolite powder layer and a quartz sand layer which are sequentially paved downwards along the direction vertical to the slope surface.

7. The ecological bank protection of multistage clear water of claim 5, characterized in that: the thickness ratio of the planting soil layer to the zeolite powder layer to the quartz sand layer is 1: 0.8-1.2: 0.7-1.2.

8. The ecological bank protection of multistage clear water of any one of claims 1 to 7, characterized in that: the impermeable layer is formed by laying waterproof geotextile.