CN217536862U - Ecological frame bank protection structure adapting to water level change - Google Patents

Abstract

The utility model relates to an ecological sash revetment structure adapted to changes in water level. The technical scheme adopted by the utility model is: an ecological frame revetment structure adapting to changes in water level, which is characterized in that it has a gabion foot protection structure arranged at the foot of the bank slope and a frame arranged on the slope of the bank slope. Slope protection structure; gabion foot protection structure is composed of several foot protection gabions stacked, and the foot protection planting soil is embedded in the upper foot protection gabion; the frame slope protection structure includes iron wires embedded in the original soil layer of the bank slope The gabion frame and the dead branch fence planting base arranged on the original soil layer in the gap of the wire gabion frame, wherein the wire gabion frame is provided with the frame planting soil; the dead branch fence planting base has the planting base planting soil and the A dead branch fence is embedded; the gabion foot protection structure is equipped with emergent plants, the frame slope protection structure is equipped with herbaceous plants, and cutting plants are arranged in the wire gabion frame above the flood level, and the cutting plants pass through the wire gabion The frame is inserted into the original soil layer of the bank slope.

Description

Ecological sash revetment structure adapting to water level change

Technical Field

The utility model relates to an ecological sash revetment structure that adapts to water level variation. Is applicable to the technical field of water ecological restoration.

Background

Economic development has caused serious ecological environment damage, particularly water ecological environment. The traditional hard bank protection technology blocks the communication between the bank and the water body, can not provide effective bank activity space for aquatic organisms, and is not beneficial to the healthy development of a bank ecological system.

With the economic development and the improvement of the living standard of people, the ecological environment is improved and restored, and particularly the water ecological restoration is not slow enough. The ecological bank protection technology is aquatic one of the important measures for attitude restoration. The ecological revetment generally comprises a toe protection part and a slope protection part, wherein the toe protection part mainly comprises riprap, pine piles and gabion gabions, and dry masonry, mortar masonry, concrete and the like are adopted in areas with large flow rate; the slope protection is carried out by simple vegetation, grass planting bricks, concrete grids and ecological concrete; ecological building blocks, reynolds cushions and the like are adopted in areas with larger flow velocity.

In the existing slope protection technology, simple vegetation protection is difficult to adapt to areas with large flow velocity, and in the initial growth stage of vegetation, surface soil is easy to be scoured by runoff or flood, so that vegetation growth is not increased, and the protection effect is not expected; the combination effect of the technologies such as grass planting bricks, concrete frames and ecological concrete is poor, the near-natural effect is not good, the soil in the gaps is also subject to scouring, the types of configured vegetation are limited, only herbaceous plants can be basically configured, and the vegetation is single in level; ecological building block, reynolds pad etc. belong to stereoplasm bank protection basically, can't provide sufficient space for vegetation growth.

In conclusion, the existing slope protection technology is difficult to meet the requirements of nature, soil stabilization, multi-level vegetation and the like at the same time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: aiming at the existing problems, the ecological sash revetment structure adapting to water level change is provided to realize the functions of near nature, soil fixation and multi-level vegetation and solve the problem of multifunctional bank slope protection in areas with larger flow velocity and more obvious water level change in the flood period.

The utility model adopts the technical proposal that: the utility model provides an ecological sash revetment structure that adapts to water level variation which characterized in that: the device is provided with a gabion foot protection structure arranged at the slope foot of a bank slope and a sash slope protection structure arranged on the slope surface of the bank slope;

the stone cage foot protection structure is formed by stacking a plurality of foot protection stone cages, and foot protection planting soil is embedded in the upper foot protection stone cage;

the lattice slope protection structure comprises iron wire gabion lattices embedded on an original soil layer of a bank slope and a dead hedge net planting base arranged on the original soil layer in gaps of the iron wire gabion lattices, wherein lattice planting soil is arranged in the iron wire gabion lattices; the dry hedge net planting base is provided with planting base planting soil and is internally embedded with a dry hedge net;

the stone cage foot protection structure is provided with emergent aquatic plants, the sash slope protection structure is provided with herbaceous plants, and the iron wire stone cage sashes are internally provided with cuttage plants above the flood level, and the cuttage plants penetrate through the iron wire stone cage sashes and are inserted into the original soil layer of the bank slope.

The foot protection stone cage is provided with a foot protection iron wire cage consisting of foot protection iron wire meshes, and foot protection pebbles are filled in the foot protection iron wire cage;

the foot protection planting soil in the upper foot protection gabion is wrapped by geotextile I, and foot protection pebbles with certain thickness are arranged on the side, close to the river, of the planting soil.

Lower floor's banket gabion buries the riverbed among the gabion banket structure, and upper strata banket gabion top is less than normal water level.

And foot protection geotextile is laid at the joint of the foot protection gabion, the riverbed and the bank slope.

The iron wire gabion lattice is provided with a lattice iron wire cage consisting of lattice iron wire meshes, and a lattice pebble layer I, a lattice planting soil layer and a lattice pebble layer II are sequentially arranged in the lattice iron wire cage from bottom to top.

The dry hedge net planting base comprises a dry hedge net I, a planting base planting soil layer I, a dry hedge net II and a planting base planting soil layer II from bottom to top in sequence.

The dry-branch fence net is of a net structure formed by binding dry branches, and branches of the dry branches are inserted into an original soil layer of a bank slope.

The utility model has the advantages that: the utility model discloses utilize the type of permeating water lattice structure (gabion banket structure, sash slope protection structure etc.), optimize traditional stereoplasm concrete lattice technique, when satisfying bank slope reinforcement, have more nearly natural effect, and ensured the horizontal ecological connectivity of river.

The utility model discloses a multilayer plant base setting based on dry hedge net for the dry branch inserts the soil body, and performance geogrid effect is favorable to strengthening domatic soil body in the anti impact performance of flood phase and rainy period, provides good basic condition for vegetation growth simultaneously.

The utility model discloses a multi-level vegetation such as emergent water, herbaceous, cuttage type plant is planted, enriches bank slope plant diversity, impels vegetation-sash-soil body to form the complex, promotes bank slope overall stability and view nature. The utility model discloses can effectively solve the great and more obvious regional multi-functional bank slope protection problem of water level variation of flood phase velocity of flow.

Drawings

FIG. 1 is a schematic sectional view of an embodiment.

Fig. 2 is a schematic structural diagram of a gabion foot protection structure in the embodiment.

Fig. 3 is a schematic plan view of the embodiment.

Fig. 4 is a schematic cross-sectional view of the wire-gabion lattice in the embodiment.

Fig. 5 is a schematic cross-sectional view of the sash slope protection structure in the embodiment.

Fig. 6 is a schematic layout of a hedge net in the embodiment.

Fig. 7 is a schematic plan view of the slope vegetation in the embodiment.

In the figure: 10. a gabion foot guard structure; 11. a foot-protecting wire mesh sheet; 12. a foot protection pebble; 13. protecting the feet and planting soil; 14. geotextile I; 15. a foot-protecting geotextile; 20. a sash slope protection structure; 21. a transverse iron wire gabion; 212. a lattice pebble layer II; 213. a grid planting soil layer; 214. a lattice pebble layer I; 22. a longitudinal iron wire gabion; 23. planting a dry hedgerow net planting base; 231. planting a planting soil layer II in a planting base; 232. a dry hedge net II; 233. planting a planting soil layer I; 234. a dry hedge net I; 235. a primary soil layer; 30. slope vegetation; 31. emerging plants; 32. a herbaceous plant; 33. a cutting type plant.

Detailed Description

This embodiment is an ecological sash revetment structure that adapts to water level variation, has the gabion banket structure 10 that sets up in bank slope toe department and sets up the sash slope protection structure on the bank slope is domatic to and plant the domatic vegetation on gabion banket structure and sash slope protection structure.

In this example, the structure 10 is formed by stacking a plurality of foot-protecting gabions, each foot-protecting gabion has a foot-protecting iron wire cage composed of a foot-protecting iron wire mesh sheet 11, and foot-protecting pebbles 12 are filled in the foot-protecting iron wire cage, preferably, the particle size of the pebbles is 15cm to 20cm. Embedding a lower-layer foot-protecting gabion into the river bed, wherein the embedding depth is required to be greater than the maximum scouring depth, and paving foot-protecting geotextile 15 at the joint of the gabion, the river bed and a bank slope; foot protection planting soil 13 is embedded into the upper foot protection gabion and used as a vegetation growth base, the planting soil is wrapped by geotextile I14, and pebbles with the thickness of not less than 10cm are used for protecting the planting soil close to the side of the river channel; the top of the gabion is preferably 10-20 cm lower than the normal water level.

In this embodiment, the lattice slope protection structure 20 is composed of iron wire gabion lattices and dry hedge net planting bases, wherein the iron wire gabion lattices are embedded on the original soil layer of the bank slope, and the dry hedge net planting bases cover the original soil layer of the bank slope in gaps among the iron wire gabion lattices.

The iron wire gabion lattice in the embodiment comprises a transverse iron wire gabion 21 and a longitudinal iron wire gabion 22, wherein the transverse and longitudinal iron wire gabions are provided with lattice iron wire cages consisting of lattice iron wire meshes 211, a lattice pebble layer I214, a lattice planting soil layer 213 and a lattice pebble layer II 212 are sequentially arranged in the lattice iron wire cages from bottom to top, and the particle size of pebbles is preferably 10-15 cm. The thicknesses of the lattice pebble layer I, the lattice planting soil layer and the lattice pebble layer II are respectively 10cm, 15cm and 20cm.

In this embodiment, the dry hedge net planting base 23 is sequentially composed of a dry hedge net i 234, a planting base planting soil layer i 233, a dry hedge net ii 232 and a planting base planting soil layer ii 231 from bottom to top, wherein the dry hedge net i covers the original soil layer 235 of the bank slope. In the embodiment, the dry hedge nets I and II are of a net structure formed by binding dry branches, the hole spacing is 10-15 cm, the intersections of the dry branches are bound by palm ropes, and branches are inserted into soil bodies to play the role of geogrids; the thickness of a planting base planting soil layer I is 10 cm-15 cm; the thickness of the planting base planting soil layer II is 5 cm-8 cm.

The slope vegetation 30 in this embodiment includes emergent aquatic plants 31 disposed on the gabion foot protection structures, herbaceous plants 32 disposed on the sash slope protection structures, and cuttage plants 33 disposed in the gabion sashes above the flood level.

In the embodiment, the emergent aquatic plants mainly grow by virtue of the embedded planting soil of the gabion foot protection structure, and the surrounding pebble layer can protect the planting soil from being washed away; one part of the herbaceous plants grows by relying on planting soil in the gabion sash of the iron wire, and the rest grows by relying on a planting base of the hedge net; the roots of the cuttage plants need to penetrate through the iron wire gabion lattices and be inserted into the original soil layer, and the planting distance is 0.8-1.0 m.

Claims (7)

1. an ecological sash revetment structure adapted to changes in water level, is characterized in that: there is a gabion foot protection structure arranged at the foot of the bank slope and the sash revetment structure arranged on the bank slope slope; The gabion foot protection structure is formed by stacking a plurality of foot protection gabions, and the foot protection planting soil is embedded in the upper foot protection gabion; The sash slope protection structure includes a wire gabion frame embedded on the original soil layer of the bank slope and a deadwood fence planting base arranged on the original soil layer in the gap of the wire gabion frame, wherein the wire gabion frame has Frame planting soil; the dead branches fence planting base has planting base planting soil and is embedded with dead branches and fence nets; The gabion foot protection structure is configured with emergent plants, the frame slope protection structure is configured with herbaceous plants, and cutting plants are arranged in the wire gabion frame above the flood level, and the cutting plants are inserted into the bank slope through the wire gabion frame. soil layers. 2. The ecological sash revetment structure adapting to changes in water level according to claim 1, is characterized in that: the foot guard gabion has a foot guard wire cage made of foot guard wire mesh sheet, and fills the foot guard wire cage in the foot guard wire cage. with toe pebbles; The foot guard planting soil in the upper foot guard gabion is wrapped by geotextile I, and a certain thickness of foot guard pebble is arranged on the side of the planting soil near the river. 3. The ecological sash revetment structure adapting to changes in water level according to claim 1 or 2, is characterized in that: in the gabion foot-protecting structure, the lower-layer foot-protecting gabions are buried in the riverbed, and the upper-layer foot-protecting gabions top are lower than constant water level. 4 . The ecological sash revetment structure adapting to changes in water level according to claim 3 , characterized in that: a foot-protecting geotextile is laid at the connection between the foot-protecting gabion, the riverbed and the bank slope. 5 . 5. The ecological sash revetment structure adapting to changes in water level according to claim 1, is characterized in that: the gabion sash has a sash wire cage composed of sash wire mesh sheets, and the inside of the sash wire cage consists of lower parts. The top is the sash pebble layer I, the sash planting soil layer and the sash pebble layer II. 6. The ecological sash revetment structure adapted to the change of water level according to claim 1, is characterized in that: described dead branch fence net planting base is followed by dead branch fence net I, planting base planting soil layer I, from bottom to top. Dead branches fence II and planting soil layer II. 7. The ecological sash revetment structure adapting to changes in water level according to claim 1 or 6, is characterized in that: the dead branches fence net is a mesh structure bound by dead branches, and the branches of dead branches are inserted into the bank slope original soil layer.

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