CN212426956U

CN212426956U - Ecological bank protection structure

Info

Publication number: CN212426956U
Application number: CN202020910380.3U
Authority: CN
Inventors: 童金; 陈阳; 傅光柳; 曾龙天
Original assignee: Fujian Wanshan Water Conservancy And Hydropower Design Co ltd
Current assignee: Fujian Wanshan Water Conservancy And Hydropower Design Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-29
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to an ecotype bank protection structure, it includes the dyke top and sets up upstream slope and the back of the body water slope on the dyke top both sides, still is provided with the barricade at upstream slope toe, has all laid the vegetable layer on upstream slope and the back of the body water slope, sets up on the upstream slope a plurality of baffles that are used for buffering river water impact from bottom to top, and each baffle is arranged and is the echelonment setting, slows down the impact of rivers to the upstream slope through the successive layer baffle. The utility model has the advantages of improve the scour prevention ability of ecological bank protection.

Description

Ecological bank protection structure

Technical Field

The utility model relates to an ecological bank protection technical field, more specifically say, it relates to an ecological type bank protection structure.

Background

The vegetation can play the roles of wave dissipation, anchoring reinforcement and interception weakening in the revetment structure. The current domestic and foreign ecological bank protection technology generally divides the vegetation bank protection into three types: one is soil bioengineering bank protection, which mainly utilizes locally survived plant branches to form ecological bank protection by planting in a point, line and surface mode; the other is a whole-line ecological revetment, and the revetment structure is formed by planting different types of vegetation from the toe to the top of a slope to form multiple times of ecological protection; the other type is composite ecological bank protection, which is mainly suitable for river sections with prominent erosion of the bank by combining the traditional engineering technology with living plants. The existing bank protection structure on river or sea side is often arranged to be piled up on the bank side to form a bank, and the bank mainly comprises a bank top, and a water-facing slope and a water-backing slope which are arranged on two sides of the bank top.

Chinese patent with publication number CN207348019U discloses an ecological bank protection structure for urban rivers, which comprises a Reynolds cushion layer and a reinforced microphone cushion layer which are arranged in sequence from bottom to top, a non-woven fabric layer is laid below the Reynolds cushion layer, a covering soil layer is laid above the Reynolds cushion layer, and flood-resistant herbaceous vegetation is planted on the covering soil layer; the reinforced microphone pad layer is fixed on the natural soil, and a turf is planted on the natural soil below the reinforced microphone pad layer.

In the prior art, similar to the above ecological revetment structure, ecological protection is realized by planting ecological vegetation on a slope surface, and a soil layer on the slope is fixed by arranging a protective cushion layer, a non-woven fabric layer and the like, but in the region with serious river erosion, the structural strength of the revetment is seriously affected by long-time erosion, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

To current technical problem, an object of the utility model is to provide an ecotype bank protection structure, its advantage that has the scour prevention ability that improves ecotype bank protection.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an ecological bank protection structure, includes the dyke top and sets up in the upstream slope and the back water slope of dyke top both sides, plant in the vegetation layer on the upstream slope and the back water slope, its characterized in that: the water-facing slope is provided with a plurality of baffles for buffering river water impact from bottom to top, and the baffles are arranged in a ladder shape from bottom to top.

By adopting the technical scheme, because the water-facing slope bears the impact of river water for a long time, the vegetation on the slope is difficult to survive, and the condition of water and soil loss exists, the baffle is arranged on the water-facing slope to buffer the impact of the river water, protect the water-facing slope and the vegetation on the water-facing slope, and further improve the anti-scouring capability of the ecological revetment.

The utility model discloses further set up to: the baffle is provided with the buffering subassembly that is used for buffering the impact force that receives on the baffle on being close to domatic one side, the buffering subassembly includes the telescopic link and sets up the spring in the telescopic link.

Through adopting above-mentioned technical scheme, alleviate the impact force that receives on the baffle through setting up buffering subassembly, prolong the life of baffle.

The utility model discloses further set up to: each baffle is divided into a plurality of sub-plates, and a drainage seam is arranged between any two adjacent sub-plates.

By adopting the technical scheme, in order to avoid accumulation of river water over the baffle on the upstream slope, the baffle is arranged into a plurality of sub-plates, and drainage seams for drainage are arranged between any two adjacent sub-plates.

The utility model discloses further set up to: the water-facing slope is sequentially provided with a base layer, a loam layer and a hydraulic protective blanket layer from bottom to top, and the vegetable layer is planted on the loam layer.

Through adopting above-mentioned technical scheme, ensure the structural strength of water-engaging slope through laying multilayer structure, protect the loam layer through setting up hydraulic protection blanket layer, also protect the vegetation layer simultaneously, further improve the scour prevention performance on water-drawing slope.

The utility model discloses further set up to: the clay-containing composite material is characterized in that a reinforced layer formed by pouring reinforced concrete in a grid shape is arranged in the clay-containing layer, grids of the reinforced layer and the reinforced layer surround to form a plurality of filling cavities, and the clay-containing layer is filled in the filling cavities.

Through adopting above-mentioned technical scheme, strengthen the structural strength on inferior clay layer through setting up the enhancement layer, latticed setting up the enhancement layer simultaneously can separate into a plurality of little module settings with inferior clay layer, avoids because the subaerial clay downward accumulational trend on the gravity leads to the upstream slope, leads to the lax problem of upstream slope superstructure, therefore the enhancement layer has the effect of playing solid soil, and further prevents soil and water flowing.

The utility model discloses further set up to: the slope ratio of the water-facing slope is 1:2, and the slope ratio of the backwater slope is 1: 1.5.

Through adopting above-mentioned technical scheme, through setting the slope of meeting water to the less state of gradient, will increase the section of going floods of river, be favorable to slowing down the rivers velocity of flow in the flood period.

The utility model discloses further set up to: the embankment top is provided with a base layer, a cement gravel stabilizing layer, an emulsified asphalt permeable layer and a concrete surface layer from bottom to top in sequence.

Through adopting above-mentioned technical scheme, stabilize the basis on embankment top through having laid basic unit, cement rubble stabilizer layer from bottom to top, stabilize fixed concrete surface course through the emulsified asphalt priming coat.

The utility model discloses further set up to: wind-shielding vegetation is planted on two sides of the dike top in rows.

Through adopting above-mentioned technical scheme, weaken the wind-force from the bank through setting up the vegetation that keeps out the wind.

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

(1) the baffle is arranged on the water-facing slope, and the buffering component is arranged on one side of the baffle, so that the impact of the water flow on the shore protection is relieved, and the anti-scouring capability of the ecological shore protection is improved;

(2) the structural strength of the water-facing slope is enhanced by arranging the reinforcing layer in the loam layer of the water-facing slope.

Drawings

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

fig. 2 is a partial structural schematic diagram of the present invention;

FIG. 3 is a schematic view of a partial baffle structure of the present invention;

fig. 4 is a schematic structural diagram of the baffle and the buffering assembly of the present invention.

Reference numerals: 1. the top of the dike; 2. a water-facing slope; 3. a backwater slope; 4. a vegetable layer; 5. a baffle plate; 51. dividing the plates; 6. a buffer assembly; 61. a telescopic rod; 62. a spring; 7. draining a flow gap; 8. a base layer; 9. a layer of loam; 10. a hydraulic protective blanket layer; 11. a reinforcing layer; 12. filling the cavity; 13. a cement gravel stabilizing layer; 14. emulsified asphalt permeable layer; 15. a concrete facing; 16. wind-shielding vegetation; 17. and (7) retaining walls.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an ecological bank protection structure, including dyke top 1 and upstream slope 2 and back water slope 3 that set up on dyke top 1 both sides, the slope ratio of upstream slope 2 is 1:2, the slope ratio of back water slope 3 is 1:1.5, still be provided with barricade 17 at upstream slope 2 toe, all laid vegetable layer 4 on upstream slope 2 and the back water slope 3, set up on upstream slope 2 and be provided with a plurality of baffles 5 that are used for buffering river water impact from bottom to top, each baffle 5 arranges and is the echelonment setting, slow down the impact of rivers through successive layer baffle 5, and then improve the scour protection ability of ecological bank protection.

Wherein, a base layer 8, a cement gravel stabilizing layer 13, an emulsified asphalt permeable layer 14 and a concrete surface layer 15 are arranged on the embankment top 1 from bottom to top in sequence to form a stable embankment top 1 passage for people to pass through. Wind-shielding vegetation 16 are also planted on two sides of the dike top 1 in rows, and the wind-shielding vegetation 16 is arbor plants.

Referring to fig. 1 and 2, a base layer 8, a loam layer 9 and a hydraulic protective blanket layer 10 are sequentially arranged on an upstream slope 2 from bottom to top, a reinforcing layer 11 formed by pouring reinforced concrete arranged in a grid shape is arranged in the loam layer 9, grids of the reinforcing layer 11 and a plurality of filling cavities 12 are formed in a surrounding mode, the loam layer 9 is filled in the filling cavities 12, a vegetation layer 4 is planted on the loam layer 9, the loam layer 9 is reinforced by arranging a reinforcing layer 11 structure, and vegetation on the vegetation layer 4 is subjected to scour prevention and fixation by adopting the hydraulic protective blanket.

Further, referring to fig. 1 and 3, in order to prevent river water that has passed through the baffle 5 from accumulating on the upstream slope 2, the baffle 5 is provided as a plurality of sub-plates 51, and drainage slits 7 for drainage are provided between any two adjacent sub-plates 51.

Referring to fig. 1 and 4, a buffering assembly 6 for buffering impact force applied to the baffle 5 is arranged on one side of the baffle 5 close to the slope, the buffering assembly 6 comprises a plurality of telescopic rods 61 and springs 62 arranged in the telescopic rods 61, and two ends of each telescopic rod 61 are hinged to the baffle 5 and the reinforcing layer 11 respectively.

The implementation principle of the embodiment is as follows: when water flow impacts the baffle 5, the force of the water flow impacting the baffle 5 is buffered and reduced under the action of the telescopic rod 61 and the spring 62, and after part of the water flow passes through the baffle 5, the water flow is discharged by the drainage slit 7 after the water level is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an ecological bank protection structure, includes dyke top (1) and sets up in upstream slope (2) and the back of the body water slope (3) of dyke top (1) both sides, plant in vegetable layer (4) on upstream slope (2) and back of the body water slope (3), its characterized in that: the water-facing slope (2) is provided with a plurality of baffles (5) used for buffering river water impact from bottom to top, and the baffles (5) are arranged in a step shape from bottom to top.

2. The ecotypic revetment structure of claim 1, wherein: the baffle is characterized in that a buffer assembly (6) used for buffering impact force borne on the baffle (5) is arranged on one side, close to the slope, of the baffle (5), and the buffer assembly (6) comprises an expansion rod (61) and a spring (62) arranged in the expansion rod (61).

3. The ecotypic revetment structure of claim 2, wherein: each baffle (5) is divided into a plurality of sub-plates (51), and a drainage seam (7) is arranged between any two adjacent sub-plates (51).

4. The ecotypic revetment structure of claim 1, wherein: the water-facing slope (2) is sequentially provided with a base layer (8), a loam layer (9) and a hydraulic protective blanket layer (10) from bottom to top, and the vegetable layer (4) is planted on the loam layer (9).

5. The ecotypic revetment structure of claim 4, wherein: the clay-containing composite floor is characterized in that a reinforcing layer (11) formed by pouring reinforced concrete arranged in a grid shape is arranged in the clay-containing layer (9), grids of the reinforcing layer (11) and the base layer (8) are enclosed to form a plurality of filling cavities (12), and the clay-containing layer (9) is filled in the filling cavities (12).

6. The ecotypic revetment structure of claim 1, wherein: the slope ratio of the water-facing slope (2) is 1:2, and the slope ratio of the backwater slope (3) is 1: 1.5.

7. The ecotypic revetment structure of claim 1, wherein: the embankment top (1) is provided with a base layer (8), a cement gravel stabilizing layer (13), an emulsified asphalt permeable layer (14) and a concrete surface layer (15) from bottom to top in sequence.

8. The ecotypic revetment structure of claim 1, wherein: wind-shielding vegetation (16) are planted on two sides of the dike top (1) in rows.