CN212896141U - Ecological bank protection in river course - Google Patents

Abstract

The utility model relates to a river course ecological slope protection, which comprises a slope protection, wherein the bottom of the slope protection is provided with a reinforcement gabion net bank protection, an ecological net cage is arranged on the reinforcement gabion net bank protection, and the top of the slope protection is a hardened pavement; the slope protection has the advantages that the geotechnical cloth layers are sequentially arranged from bottom to top, the reinforced concrete grids are arranged on the geotechnical cloth layers, soil layers are filled in the reinforced concrete grids, plant fiber blankets are paved on the reinforced concrete grids, the bottom ends of the geotechnical cloth layers and the plant fiber blankets are pressed at the bottoms of the ecological net cages or the reinforced gabion mesh revetment, reinforcing steel bars are arranged at the intersections of the reinforced concrete grids, and the plant fiber blankets are inserted into the reinforcing steel bars. The utility model discloses simple structure, construction convenience, it is pleasing to the eye practical.

Description

Ecological bank protection in river course

Technical Field

The utility model relates to a river course bank protection construction technical field, concretely relates to ecological bank protection in river course.

Background

Many people need to walk on the river channel, not only because the water beside the river channel can make people feel the curiosity of the nature, but also can enjoy flowers and plants on the river channel, and the flowers and plants are not only pleasing to visitors, but also have the function of protecting water and soil loss. Therefore, river bank protection engineering is very important, the river bank protection engineering can protect banks from being invaded and washed by water flow and wind waves, and the lives of residents can be free of any threat.

In the prior art, a turf revetment is mainly used on a river channel revetment, the turf needs to be maintained for a later time after being planted on the revetment, sometimes the turf is easy to be washed away by water, soil is washed away, and if the turf is not repaired in places without turf, other turf can be washed away. Also at present directly be the construction concrete net on the bank protection, then plant in the net, but the in-process of direct planting can cause the turf to grow badly because nutrient substance is not enough, and the influence is pleasing to the eye, and every net all need be planted, and the engineering volume is big, also can erode the soil in the concrete net when the rainfall is big, causes the soil erosion and water loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, construction convenience, it is pleasing to the eye practical, can prevent the ecological bank protection in river course of soil erosion and water loss.

The technical scheme of the utility model:

an ecological river protection slope comprises a protection slope, wherein a reinforcement gabion net protection bank is arranged at the bottom of the protection slope, and an ecological net cage is arranged on the reinforcement gabion net protection bank;

the plant fiber blanket is characterized in that a geotechnical cloth layer is arranged on the slope protection, reinforced concrete grids are arranged on the geotechnical cloth layer, soil layers are filled in the reinforced concrete grids, plant fiber blankets are paved on the reinforced concrete grids, reinforcing rods are arranged at the intersections of the reinforced concrete grids, the bottom of each reinforcing rod penetrates through the geotechnical cloth layer, and the top of each reinforcing rod penetrates out of the plant fiber blankets.

Preferably, the plant fiber blanket comprises a double-sided sizing net, wherein the substrate material layer and the plant seeds are clamped in the middle of the double-sided sizing net.

Preferably, the top of the reinforcing bar is ten centimeters to thirty centimeters higher than the plant fiber blanket.

Preferably, the steel reinforcement gabion mesh is a mesh box group formed by arranging check gabion mesh boxes, and stones or cobblestones are filled in the check gabion mesh boxes.

Preferably, the ecological net cage is a concrete prefabricated net cage, the interior of the concrete prefabricated net cage is a hollow cavity, a pier body is arranged at the bottom of the concrete prefabricated net cage, the diameter of the pier body is smaller than the diameter of the net cage of the check cage, the hollow cavity is filled with soil, and the concrete prefabricated net cage contains not less than 1 net.

Preferably, the hollow cavity is planted with plants.

Preferably, the top of the revetment is a hardened pavement or a green land; and a guardrail is arranged on one side, close to the slope protection, of the hardened pavement or the green land.

The utility model has the advantages that:

the utility model discloses be provided with the geotechnological cloth layer on the bank protection and can play filtration, drainage, isolation, add muscle, guard action, can fix the rubble and the soil layer of bank protection basal plane, set up reinforced concrete net on the geotechnological cloth layer and can play further muscle, guard action, and fill soil in reinforced concrete net, spread the plant fiber blanket again, soil in the reinforced concrete net provides growing environment for the vegetation in the plant fiber blanket, just the geotechnological cloth layer is passed to the bottom of reinforcing bar rod, plays the purpose on further fixed geotechnological cloth layer, and the plant fiber blanket inserts in the reinforcing bar rod, plays the effect of further fixed plant fiber blanket. The tops of the reinforcing steel bars are ten centimeters to thirty centimeters higher than the plant fiber blankets, the main reason is to beautify the appearance, and the height of the common greening grass is ten centimeters to thirty centimeters, which just covers the tops of the reinforcing steel bars.

Ecological box with a net is the prefabricated net case of concrete, the inside cavity of being of the prefabricated net incasement portion of concrete, the cavity intracavity is filled there is soil, the planting has the plant in the cavity intracavity, also can further beautify the environment, not only sees the bank protection from the inclined plane and has the afforestation, and the reinforcing bar gabion net shore protection top of bottom also has the afforestation, overlooks except that the surface of water is the greenbelt, and the bottom is provided with the mound body, the diameter of mound body is less than the net diameter of gabion cage with a net, and the mound body can be fixed in stone or the cobble in the gabion cage with a net, plays further firm effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure schematic diagram of the steel bar gabion mesh of the utility model.

Fig. 3 is a top view of the ecological net cage of the present invention.

In the attached drawing, 1-revetment, 11-geotextile layer, 12-reinforced concrete grid, 13-soil layer, 14-plant fiber blanket, 15-reinforcing bar, 2-reinforcing bar gabion net, 3-ecological net cage, 31-hollow cavity, 32-pier body and 4-hardened pavement or green land.

Detailed Description

In river management engineering, conventional river bank protection or revetment is usually made of masonry or concrete, is light and waterproof on three sides and cannot adapt to the natural ecological river control concept; the gabion has strong scouring resistance and water permeability, is a porous layout which is easy for organisms to rest, and is often used for the construction of various natural ecological rivers. The cage material of the cydonite cage is bamboo or wicker, and is now changed into a steel wire with strong durability.

As shown in fig. 1-3, an ecological slope protection for river channel comprises a slope protection 1, wherein a reinforced gabion mesh 2 is arranged at the bottom of the slope protection 1, and an ecological net cage 3 is arranged on the reinforced gabion mesh 2, and the top of the slope protection 1 is a hardened pavement or a green land 4; and a guardrail is arranged on one side of the hardened pavement or the green land 4, which is close to the revetment 1.

The slope protection 1 is provided with a geotechnical cloth layer 11, reinforced concrete grids 12 are arranged on the geotechnical cloth layer 11, soil layers 13 are filled in the reinforced concrete grids 12, plant fiber blankets 14 are paved on the reinforced concrete grids 12, reinforcing steel bars 15 are arranged at the intersections of the reinforced concrete grids 12, the bottoms of the reinforcing steel bars 15 penetrate through the geotechnical cloth layer 11, the tops of the reinforcing steel bars 15 penetrate through the plant fiber blankets 14, and the tops of the reinforcing steel bars 15 are ten centimeters to thirty centimeters higher than the plant fiber blankets 14. The plant fiber blanket 14 comprises a double-sided sizing net with a layer of matrix material and plant seeds sandwiched therebetween.

The steel bar gabion net 2 is a net cage group formed by arranging check gabion net cages, and stones or cobblestones are filled in the check gabion net cages.

Ecological net case 3 is the prefabricated net case of concrete, the inside cavity 31 that is of prefabricated net case of concrete, the bottom is provided with the pier body 32, the diameter of pier body 32 is less than the net diameter of check guest cage net case, cavity 31 intussuseption is filled with soil, plants aquatic plant on the soil, prefabricated net case of concrete contains and is no less than 1 net.

In the construction of dry season, the bottom of the both sides of river course is leveled, lay check guest cage box with a net in rows according to the water flow direction in level river course bottom, one is next to another, pack stone or cobblestone on the spot in check guest cage box with a net, insert ecological box with a net 3 pier body on the lid at check guest cage box with a net top when filling up soon, then fill check guest cage box with stone or cobblestone, tie up firmly together with the iron wire is fixed with the lid at check guest cage box top and check guest cage box with a net at last. Then filling soil into the hollow cavity 31 of the concrete prefabricated grid box, and then planting aquatic plants; thus, green landscape can be formed on the river bank protection, and the function of beautifying the environment is achieved.

Leveling the revetment 3 at two sides of the river channel, paving a geotextile layer 11 after leveling, erecting a reinforced concrete grid prefabricated plate on the geotextile layer 11, erecting a grid shape, inserting reinforcing rods 15 into the prefabricated plate, penetrating the reinforcing rods 15 through the geotextile layer 11, then pouring cement concrete, dismantling the reinforced concrete grid prefabricated plate after pouring is completed to form a reinforced concrete grid 12, inserting the reinforcing rods 15 higher than the reinforced concrete grid prefabricated plate by twenty centimeters to fifty centimeters (the thickness of the plant fiber blanket is twenty centimeters), and finally paving a plant fiber blanket 14, inserting the plant fiber blanket 14 on the reinforcing rods 15, and further fixing the plant fiber blanket 14.

The matrix material layer of the plant fiber blanket 14 is formed by stitching coconut fiber and upper and lower shaping nets, has natural degradability, provides a growth base band for plants, provides slope protection and scouring resistance for slope early engineering, prevents water and soil loss, protects the surrounding environment and prevents dust and soil raising. The coconut fiber blanket can be degraded into nutrients for plant growth in the later period, and beautifies the surrounding environment after growth, and the coconut fiber blanket is one of representative materials of modern flexible revetments and provides support for the modern green revetments.

Or the substrate material layer of the plant fiber blanket 14 adopts rice straws or wheat straws, so that the product has good degradability and strong environmental protection; after the straw grass blanket is covered on the ground, the erosion of adverse factors such as wind, heat, water, cold, salt and alkali to the soil can be effectively prevented, the physical protection effect to the soil and plants is achieved, a good environment is provided for the germination and growth of grass seeds, the usage of the plant fiber blanket is realized, the effectiveness of water, heat, light and fertilizer is improved, the breeding of weeds can be reduced, the supply information of the navicular plant fiber blanket is provided, the plant diseases and insect pests are reduced, the scouring and the loss of irrigation and rainwater to the seeds are avoided or reduced, and the fast germination, fast emergence and fast lawn forming of the grass seeds are ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (7)

1. The ecological river protection slope is characterized by comprising a protection slope (1), wherein a reinforced gabion mesh (2) protection bank is arranged at the bottom of the protection slope (1), and an ecological net cage (3) is arranged on the reinforced gabion mesh (2) protection bank;

the slope protection structure is characterized in that a geotextile layer (11) is arranged on the slope protection (1), reinforced concrete grids (12) are arranged on the geotextile layer (11), soil layers (13) are filled in the reinforced concrete grids (12), plant fiber blankets (14) are laid on the reinforced concrete grids (12), reinforcing rods (15) are arranged at the cross points of the reinforced concrete grids (12), the geotextile layer (11) penetrates through the bottoms of the reinforcing rods (15), and the plant fiber blankets (14) penetrate through the tops of the reinforcing rods (15).

2. Ecological revetment for river channels according to claim 1, characterized in that the plant fiber blanket (14) comprises a double-sided net with a layer of matrix material and plant seeds sandwiched in between.

3. The ecological revetment for riverway according to claim 1, wherein the top of the steel bar (15) is ten cm to thirty cm higher than the plant fiber blanket (14).

4. The ecological river channel protection slope according to claim 1, wherein the steel reinforcement gabion mesh (2) is a mesh cage group formed by arranging gabion mesh cages, and stones or cobblestones are filled in the gabion mesh cages.

5. The ecological revetment for river course according to claim 4, wherein the ecological net cage (3) is a precast concrete net cage, the precast concrete net cage is a hollow cavity (31) inside, a pier body (32) is arranged at the bottom, the diameter of the pier body (32) is smaller than the diameter of the net of the gabion net cage, the hollow cavity (31) is filled with soil, and the precast concrete net cage contains not less than 1 net.

6. The ecological revetment for riverway according to claim 5, wherein plants are planted in the hollow cavities (31).

7. The ecological river channel protection slope according to any one of claims 1 to 6, wherein the top of the protection slope (1) is a hardened pavement or a green land (4); and a guardrail is arranged on one side of the hardened pavement or the green land (4) close to the revetment (1).

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