CN214783600U

CN214783600U - Compound ecological revetment

Info

Publication number: CN214783600U
Application number: CN202021837122.3U
Authority: CN
Inventors: 周洪; 胡惠平; 凌小君
Original assignee: Jiangsu Hewang Environmental Construction Co ltd
Current assignee: Jiangsu Hewang Environmental Construction Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-11-19
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a compound ecological revetment, including half gabion wall, stone pile and emergent aquatic plant of burying in river course bank slope, the gabion wall adopts a plurality of low carbon galvanized steel wire to weave into two hexahedral metal cage, and the top surface excision, the side can twist foldingly all around, the central cover in bottom surface is equipped with the stone pile, place the stone in the metal cage, the outside is closely attached with the non-woven fabrics, it fills earth, emergent aquatic plant to be close to upper surface part of upper box, seeds, tuber are sowed in the earth thoughtlessly, the stone pile includes pile head, pile pole and pile awl, the pile awl is fixed the cover and is equipped with anti-tripping, this revetment utilizes gabion wall technique, protect rear soil, vegetation, the view effect is not destroyed; the plants are used for blocking wind waves, so that direct scouring and beating of the gabion wall are weakened, and water and soil conservation is enhanced by root systems; the stone filled in the gabion wall has a gap, and the water body can complete material exchange work with the soil behind the gabion wall; the small-sized water organisms can be hidden in the gabion wall, and the biological diversity is enhanced.

Description

Compound ecological revetment

Technical Field

The utility model relates to an ecological environmental protection equipment technical field, concretely relates to compound ecological revetment.

Background

The existing riverways and lakes take landscape effect and water edge planting requirements of aquatic plants into consideration, and are treated by using wood piles and stone materials, wherein the hard revetments are piled up by adopting the stone materials, secondly, the stone blocks are thrown to the sides to form natural slopes, and the ecological riverways adopt the most wood piles to densely beat the revetments, but have many problems.

The existing scheme has many problems, the main functions of the revetment are wind prevention and wave dissipation, the revetment belongs to rigid resistance, and the impact force of wave heads is directly resisted, so that broken wave heads can continuously damage soil behind the revetment, water and soil loss is caused, the root system of a plant is exposed after a long time, and even the plant is dead; or as part of the revetment is continuously subjected to water flow and wave head washing, soil of the foundation part is lost, the revetment is collapsed and damaged, the landscape effect is lost, and the potential safety hazard is increased; or the water body can not exchange materials with soil, organic matters in the water body can not be cleared up, and the water quality of the water body is changed, so that the organisms such as fishes, shrimps and the like in the water body can not be normally bred, and the ecology is unbalanced.

Disclosure of Invention

The utility model discloses the purpose: in order to solve a great deal of drawbacks of the existing hard revetment scheme, a composite ecological revetment is designed, which can combine plants with a gabion wall, plant cultivation is carried out on the gabion wall as a plant carrier, the gabion wall is protected by using plant characteristics, soft and hard interweaving is formed, the problem of revetment water and soil loss is controlled and improved, and functions and landscape have the ecological balance of animals and plants in a river water body.

The technical scheme adopted for solving the problems is as follows:

a composite ecological revetment comprises a gabion wall, a stone pile and emergent aquatic plants, wherein the gabion wall is half-buried in a river bank slope;

the composite ecological revetment is formed by orderly arranging gabion walls, and each gabion wall comprises a metal net cage, and stones and soil filled in the metal net cage;

the metal net cage is a box-shaped structure woven by metal wires, the top surface of the metal net cage is removed, five surfaces are remained, and the peripheral side surfaces are twisted and folded to the required vertical angle according to the inclination angle of a river bank slope;

a stone pile is fixedly sleeved in the center of the bottom surface of the gabion wall;

the metal net cage is filled with stones, soil and emergent aquatic plants are partially filled on the upper surface of the upper layer box body, and plant seeds and tubers are sowed in the soil in a mixed mode;

the stone pile comprises a pile head, a pile rod and a pile cone, wherein the pile cone is fixedly sleeved with an anti-tripping device.

Optionally, the metal mesh box is woven into a double-twisted hexahedron.

Optionally, a plurality of pairs of transverse and vertical steel wires are arranged on five surfaces of the metal net cage and interwoven into a net shape.

Optionally, the pile head is clamped in the metal net cage, so that the bottom surface of the metal net cage is tightly attached to the surface of the river bank slope, the pile rod penetrates through the steel wire gap of the metal net cage, and the pile cone is tamped in soil in the river bank slope.

Optionally, the metal net cage is externally and tightly attached and fixed with non-woven fabrics, and except for the uppermost layer of the metal net cage, the top of the metal net cage does not need to be covered by the non-woven fabrics.

Optionally, the anti-tripping device is fixedly connected with the pile cone in a barb shape.

Optionally, planting and cultivating one or more of typha orientalis, thalictrum ramosissimum and allium mongolicum in combination at the upstream water level, and cultivating yellow calamus at the position close to the water level.

Optionally, the metal wire on the metal mesh box is made of low-carbon galvanized steel.

The utility model has the advantages that: the composite ecological revetment protects the rear soil and vegetation by using a gabion wall technology, so that the landscape effect is not damaged; the plants are used for blocking wind waves, so that direct scouring and beating of the gabion wall are weakened, and the root system is used for enhancing water and soil conservation; gaps exist among the stones filled in the gabion wall, and a water body can complete material exchange work with soil behind the gabion wall; the small water organisms can hide in gaps of gabion walls and around plants for breeding, meanwhile, a hunter can conveniently find food, and the biological diversity is enhanced; through processing, the revetment landscape can be greatly enriched, the functionality of the revetment landscape is enhanced, and different requirements are met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of the composite ecological revetment according to the present embodiment;

fig. 2 is a schematic structural view of the gabion wall and a stone pile in accordance with the present embodiment;

fig. 3 is a schematic structural view of the metal cage after placing the stone;

fig. 4 is a schematic structural view of the metal mesh cage without twisting and folding in the embodiment;

wherein, 1-road surface, 2-roadside vegetation, 3-vegetation guard bar, 4-river bank slope, 5-emergent aquatic plant, 6-metal net cage, 61-steel wire hinged part, 62-transverse steel wire, 63-vertical steel wire, 7-stone, 8-soil, 9-yellow calamus, 10-stone pile, 101-pile head, 102-pile rod, 11-anti-tripping, 12-river course and 13-non-woven fabric.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present embodiment provides a composite ecological revetment, which includes a gabion wall half-buried in a bank slope 4 of a river 12, a stone pile 10 for fixing the gabion wall, and emergent aquatic plants 5.

Specifically, the composite ecological revetment is formed by orderly arranging gabion walls, wherein each gabion wall comprises a metal net cage 6 and stones and soil filled in the metal net cage 6;

the metal net cage is a box-shaped structure woven by metal wires, the top surface of the metal net cage 6 is removed, five surfaces are remained, and the peripheral side surfaces are twisted and folded to the required vertical angle according to the inclination angle of the bank slope 4 of the river channel 12;

a stone pile 10 is fixedly sleeved at the center of the bottom surface of the gabion wall;

the metal net cage 6 is filled with stones 7, soil 8 and emergent aquatic plants 5 are partially filled on the upper surface of the upper layer box body, and plant seeds and tubers are sowed in the soil 8 in a mixed mode;

the stone pile 10 comprises a pile head 101, a pile rod 102 and a pile cone, wherein the pile cone is fixedly sleeved with an anti-tripping device 11 and used for preventing the stone pile 10 from falling and loosening in soil 8 in a bank slope 4 of a river channel 12, the stone pile is prepared by reinforced concrete in the embodiment, and fir is adopted in other embodiments.

Specifically, in the present embodiment, the metal mesh cage 6 is woven into a double-twisted hexahedron.

Specifically, a plurality of pairs of transverse and vertical steel wires are arranged on five surfaces of the metal net cage 6 and interwoven into a net shape for intercepting and blocking the stone blocks 7 from being separated from the metal net cage 6.

Specifically, the pile head 101 is clamped in the metal net cage 6, so that the bottom surface of the metal net cage 6 is tightly attached to the surface of the bank slope 4 of the river channel 12, the pile rod 102 penetrates through the gap of the steel wires of the metal net cage 6, and the pile cone is tamped in soil 8 in the bank slope 4 of the river channel 12.

Specifically, the non-woven fabrics 13 are tightly attached to the outer portions of the metal net cages and are fixed by metal wires, the top portions of the metal net cages do not need to be covered by the non-woven fabrics 13 except for the uppermost layer of the metal net cage 6 under the condition that multiple layers of metal net cages are arranged, and the uppermost metal net cage is the net cage on one side of the upper surface of the cage body.

Specifically, the anti-tripping buckle 11 is in a barb shape and is fixedly connected with the pile cone, so that the stone pile is favorably fixed.

Specifically, one or more of typha orientalis, thalictrum ramosissimum and allium mongolicum are planted and cultivated in a combined mode under the water level of the upstream surface, and yellow calamus 9 can be additionally cultivated at the position close to the water surface.

Specifically, the material of the wire in this embodiment is selected from low carbon galvanized steel.

The concrete construction steps of the embodiment are as follows:

1. the foundation laid on the stone cage wall revetment needs to be treated, the foundation needs to be tamped, and settlement after the stone cages are arranged is avoided;

2. laying a gabion wall, wherein the gabion wall is made of a metal net cage woven by corrosion-resistant wear-resistant high-strength low-carbon galvanized steel wires into a double-twisted hexahedron, the planned specification is 50 cm/layer in height, a plurality of layers of metal net cage design revetments are arranged as required, the width of the metal net cage is 50cm, the length of the metal net cage is treated according to the actual situation on site, the requirement is that the width of the metal net cage does not exceed 20 meters in principle, and the bottom surface of the first layer can be lower than the bottom surface of water by 20cm under the condition;

3. non-woven fabrics are laid on the bottom surface and the outer side surface of the manufactured gabion wall frame, lead wires are adopted for fixing, and the top of the gabion wall frame is not covered by the non-woven fabrics except the highest layer;

4. filling stones, namely filling the stones in the laid non-woven fabric gabion wall frame, synchronously filling soil and plants according to the difference from the bottom layer to the top layer, sowing seeds and tubers in the soil in a mixed mode, adopting better plants (such as cattail, Thalictrum and Scirpus validus) under the upstream water level, additionally cultivating the yellow-Chang cattail at the position close to the water level, and backfilling planting earthwork, wherein the highest layer of gabion wall is required to be covered by the top non-woven fabric;

5. the cultivation of upstream plants, this part requires higher construction stage, to the use of material, and the engineering time requirement is higher relatively, considers dormancy period as far as possible when mainly adopting the plant, and the plant body is little, and the planting degree of difficulty is little, and the planting mode of adoption is: firstly, determining required plant density and layout points, drawing a cross opening on non-woven fabric on the water-facing side by using a sharp blade, filling the root of the adopted plant body into a gabion wall, backfilling silt or planting the plant body by using non-woven fabric bagged soil at the corresponding position, continuously backfilling stones according to requirements after planting, wherein the plant body does not need to adopt a single plant, adopts a cluster shape as far as possible, cattail plants can be planted together in a centralized manner, and water supplement is paid attention after planting. The whole water-facing side surface of the gabion wall is treated in a unified mode;

6. planting plants on the top surface of the gabion wall revetment, wherein the plants need to be treated respectively, and the planting method comprises the following three steps of a, b and c:

a. under the condition that the top surface is level with the water surface, the condition that semi-dry sludge is backfilled in the gabion wall is better, plants such as yellow calamus, redroot flowers, floral leaf arundo donax, reed canary grass and the like are taken as the plants, the plants are planted in winter and covered by non-woven fabrics, after germination in spring, a cross-shaped opening is cut at the uplifted position of the non-woven fabrics, the plants grow and emerge automatically, and the requirements for small opening and high density are met. The same plants can be planted on the rear side of the gabion wall, so that large-scale protection is realized;

b. the top surface is obviously higher than the water surface, but the top surface can be submerged in flood season, the gabion wall body can be treated according to the water body submerging condition, but moisture-proof and dry-resistant plants such as loosestrife can be added in the back side area of the gabion wall revetment, and the landscape effect is enriched;

c. the top surface of the gabion wall cannot be submerged, liana pendants can be additionally planted on the top surface, normal planting soil can be adopted as backfilled soil, and landscape plants and rose plants can be planted on the rear side of the gabion wall revetment.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite ecological revetment is characterized by comprising a gabion wall, a stone pile (10) and emergent aquatic plants (5), wherein the gabion wall is half-buried in a bank slope (4) of a river channel (12);

the composite ecological revetment is formed by orderly arranging gabion walls, and each gabion wall comprises a metal net cage (6) and stones and soil (8) filled in the metal net cage (6);

the metal net cage (6) is a box-shaped structure woven by metal wires, the top surface of the metal net cage (6) is removed, five surfaces are remained, and the peripheral side surfaces are twisted and folded to the required vertical angle according to the inclination angle of the bank slope (4) of the river channel (12);

a stone pile (10) is fixedly sleeved in the center of the bottom surface of the gabion wall;

stones (7) are filled in the metal net cage (6), soil (8) and emergent aquatic plants (5) are filled in the part, close to the upper surface of the upper layer box body, and plant seeds and tubers are sowed in the soil (8) in a mixed mode;

the stone pile (10) comprises a pile head (101), a pile rod (102) and a pile cone, wherein the pile cone is fixedly sleeved with an anti-tripping device (11).

2. Composite ecological revetment according to claim 1, characterized in that said metallic cages (6) are woven as double-twisted hexahedrons.

3. The composite ecological revetment according to claim 1, wherein five surfaces of the metal net cage (6) are provided with a plurality of pairs of transverse and vertical steel wires interwoven into a net shape.

4. The composite ecological revetment according to claim 1, wherein the pile head (101) is clamped in the metal cage (6) to make the bottom surface of the metal cage (6) cling to the surface of the bank slope (4) of the river channel (12), the pile rod (102) passes through the steel wire gap of the metal cage (6), and the pile cone is tamped in the soil (8) in the bank slope (4) of the river channel (12).

5. The composite ecological revetment according to claim 1, wherein the metal mesh cage (6) is tightly fixed with non-woven fabrics (13) on the outside, and the top of the metal mesh cage (6) is not covered by the non-woven fabrics (13) except the highest layer of the metal mesh cage (6).

6. Composite ecological revetment according to claim 1, characterized in that the anti-release means (11) are barbed and fixedly connected to the pile cone.

7. The composite ecological revetment according to claim 1, wherein cattail, Thymus repens and Scirpus validus are planted and cultivated in combination with one or more of Typha californica, Thymus repens and Scirpus validus at the upstream water level, and the yellow-Changchang (9) is cultivated at a position close to the water level.

8. Composite ecological revetment according to claim 1, characterized in that the material of the metal wires on the metal mesh cage (6) is selected from low carbon galvanized steel.