CN210368828U

CN210368828U - Ecological herbaceous layer suitable for river bottom scour protection

Info

Publication number: CN210368828U
Application number: CN201920162478.2U
Authority: CN
Inventors: 杨皓然; 邱珍锋
Original assignee: Chongqing Jiaotong University
Current assignee: Chongqing Jiaotong University
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-04-21
Anticipated expiration: 2029-01-23

Abstract

The utility model discloses an ecological herbaceous layer suitable for river bed scour protection, including river bed soil, river course bank slope, the river course sets up in the both sides of river bed soil, the river course bank slope sets up in the upper surface in river course, the inboard of river bed soil is run through and is provided with the pine stake, the upper surface of river bed soil covers has forest soil, forest soil's upper surface covers has scour protection structure net, and scour protection structure net runs through and set up in the inboard of pine stake, the upper surface of scour protection structure net is equipped with the submerged plant bitter grass. The beneficial effects of the utility model are that improve the scour protection effect, improve aquatic ecological environment, do benefit to environment friendly, be convenient for lay, can effectively improve soil property when utilizing the eel grass root system of submerged plant eel grass to stabilize the soil layer, reinforcing soil cementation ability improves forest soil's impact resistance. Thereby achieving the effects of improving the anti-scour effect, improving the water quality, preventing the water and soil loss and restoring the polluted river water ecological system.

Description

Ecological herbaceous layer suitable for river bottom scour protection

Technical Field

The utility model relates to a hydraulic engineering and river course treatment engineering technical field specifically are an ecological herbaceous layer suitable for river bottom scour protection.

Background

China has wide territory and abundant water resources. However, with the continuous development of economic society, a series of water ecological environment problems are also put in front of people, and especially, a large amount of silt is deposited in a downstream river channel, so that the basic functions of river channel flood control, waterlogging drainage, irrigation, shipping and the like are influenced, and the water body and the ecological environment of two banks are polluted. For the sedimentation problem of the downstream river channel, the reason is that the river bottom of the upstream river channel is washed by the river, so that the water and soil of the river channel are lost, and the soil particles and the silt which are dispersed flow into the downstream river channel along with the river water. And some narrow rivers of lower reaches are because the sand conveying rate is low to do not dredge throughout the year and maintain, just cause the river course silting very easily.

At present, aiming at the problem of how to treat the river bottom scour prevention of an upstream river channel, the existing engineering generally adopts a gabion mesh pad structure or directly sprays a coagulation layer on the river bottom. The gabion mesh pad is a net cage woven by high-strength, soft and corrosion-resistant steel wires, stones are filled in the net cage to form an integral mesh pad structure, and the mesh pad is laid at the bottom of a river. The scour prevention structure has low manufacturing cost, good water permeability and overall flexibility and stability, and can effectively prevent the river bottom soil from being scoured. However, because different sizes of pores exist among different stones, silt and pollutants are easy to deposit, and meanwhile, the local part of the exposed grid is easy to damage, so that loose stones in the grid fall out of the grid to influence the structural integrity. The concrete layer is directly sprayed on the river bottom, so that although the anti-scouring effect is good and the anti-seepage effect of the river bottom is good, the structure can obstruct the contact of animals and plants in the water body and the soil while obstructing the water flow, and has great adverse effect on the water ecological environment.

In view of this, aiming at the defects of the existing river bottom scour prevention structure, a novel ecological structure with low cost, good scour prevention effect and ecological property is urgently needed to be developed, so that an ecological herbaceous layer suitable for river bottom scour prevention is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ecological herbaceous layer suitable for river bottom scour protection to solve the easy silt and pollutant siltation that causes that proposes in the above-mentioned background art, expose the local of net simultaneously and suffer destruction easily, make loose stone in the net fall out the net outside and influence the problem of the wholeness of structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ecological herbaceous layer suitable for river bed scour protection, includes river bed soil, river course bank slope, the river course sets up in the both sides of river bed soil, the river course bank slope sets up in the upper surface in river course, the inboard of river bed soil is run through and is provided with the pine stake, the upper surface of river bed soil covers has forest soil, forest soil's upper surface covers has scour protection structural network, and scour protection structural network runs through and sets up in the inboard of pine stake, the upper surface of scour protection structural network is equipped with the benthophyte of benthophyte.

Preferably, scour protection structure net includes nylon rope, No. two nylon ropes, gauze, scour protection structure net is the longitude and latitude alternately arranges by a nylon rope and No. two nylon ropes, the gauze sets up in the inboard of a nylon rope.

Preferably, the pine stake includes pile head, pile body, fixed slot, spud pile, fixture block, spring, wire casing, the pile body sets up in the bottom of pile body, the fixed slot sets up in the inboard of pile body, the wire casing runs through to set up in the inboard of pile head, the spud pile welds in the bottom of pile head, the fixture block all sets up in the inboard of spud pile with the spring, and the spring sets up in the left side of fixture block.

Preferably, the fixture blocks are sleeved with the fixing piles, the fixture blocks and the springs form an elastic structure, the number of the fixture blocks is two, the fixture blocks are oppositely arranged, and the fixture blocks are clamped with the fixing grooves.

Preferably, the number of wire casing is two sets of, the wire casing is "ten" word and alternately arranges, and is two sets of the wire casing respectively with a nylon rope and No. two nylon rope block.

Preferably, the thickness of the forest soil is 100-130 mm, and the first nylon rope and the second nylon rope are arranged in a crossed mode at a distance of 100mm multiplied by 100 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the ecological herbaceous layer suitable for river bottom scour prevention improves the scour prevention effect, improves the water ecological environment, is beneficial to environmental friendliness and is convenient to arrange;

(1) the anti-scouring net is arranged, the submerged plants are sown and forest soil is woven into a net structure in a mat shape through the nylon rope I and the nylon rope II to limit and fix the forest soil, and the unfavorable defects that silt and pollutants are easily deposited and a concrete spraying layer blocks aquatic animals and plants from contacting with the soil can be effectively overcome. Meanwhile, the submerged plant tape grass is planted in the forest soil, and the soil property can be effectively improved, the soil cementation capability is enhanced, and the impact resistance of the forest soil is improved while the soil layer can be stabilized by utilizing the tape grass root system of the submerged plant tape grass. Thereby achieving the effects of improving the erosion-proof effect, improving the water quality, preventing the water and soil loss and restoring the polluted river water ecosystem.

(2) Be provided with the pine stake, utilize the components of a whole that can function independently design, through going into the wire casing with scour protection structure net card, through inserting the spud pile fixed slot inboard, utilize spring deformation to produce elasticity and apply in the fixture block, can make the fixture block support the fixed slot inner wall all the time, make the pile head fixed in the pile body, it needs to bind fixedly on the pine stake to avoid scour protection structure net, and then reaches the effect of being convenient for lay.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention;

FIG. 2 is a schematic top view of the impingement structure network of FIG. 1;

fig. 3 is a schematic partial cross-sectional view of the pine pile of fig. 1.

In the figure: 1. an anti-ballistic structural network; 101. a first nylon cord; 102. a second nylon cord; 103. gauze; 2. submerged plant tape grass; 3. pine piles; 301. pile head; 302. a pile body; 303. fixing grooves; 304. fixing the pile; 305. a clamping block; 306. a spring; 307. a wire slot; 4. forest soil; 5. river bottom soil; 6. a river channel; 7. river course bank slope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: an ecological herbaceous layer suitable for river bottom scour prevention comprises river bottom soil 5, a river channel 6 and river channel bank slopes 7, wherein the river channel 6 is arranged on two sides of the river bottom soil 5, the river channel bank slopes 7 are arranged on the upper surface of the river channel 6, pine piles 3 penetrate through the inner side of the river bottom soil 5, each pine pile 3 comprises a pile head 301, a pile body 302, a fixing groove 303, a fixing pile 304, a fixture block 305, a spring 306 and a wire groove 307, the pile body 302 is arranged at the bottom end of the pile body 302, the fixing groove 303 is arranged on the inner side of the pile body 302, the wire groove 307 penetrates through the inner side of the pile head 301, the fixing pile 304 is welded at the bottom end of the pile head 301, the fixture block 305 and the spring 306 are both arranged on the inner side of the fixing pile 304, the spring 306 is arranged on the left side of the fixture block 305, the fixture block 305 is sleeved with the fixing pile 304, the fixture block 305 and the spring 306 form, the number of the wire grooves 307 is two, the wire grooves 307 are arranged in a cross shape, the two wire grooves 307 are respectively clamped with the first nylon rope 101 and the second nylon rope 102, the wire grooves 307 play a role in fixing the first nylon rope 101 and the second nylon rope 102, the spring 306 plays a role in providing elasticity for the fixture block 305, elasticity is generated through deformation of the spring 306 and is applied to the fixture block 305, and the fixture block 305 can abut against the fixing groove 303.

The upper surface of the river bottom soil 5 is covered with forest soil 4, the thickness of the forest soil 4 is 100-130 mm, the first nylon rope 101 and the second nylon rope 102 are arranged in a distance of 100mm multiplied by 100mm in a crossed mode, and rich microorganisms exist in soil pores of the forest soil 4, so that nitrogen, phosphorus and organic matters in sewage can be effectively degraded and absorbed as nutrients of the microorganisms, and therefore the sewage is purified.

Forest soil 4's upper surface covers has scour protection constructional network 1, and scour protection constructional network 1 runs through to set up in the inboard of pine stake 3, scour protection constructional network 1's upper surface is equipped with benthophyte tape grass 2, scour protection constructional network 1 includes nylon rope 101 No. one, No. two nylon ropes 102, gauze 103, scour protection constructional network 1 is longitude and latitude alternately arranges by nylon rope 101 and No. two nylon ropes 102, gauze 103 sets up in the inboard of nylon rope 101 No. one, scour protection constructional network 1 has good corrosion resistance, cover on forest soil 4 through scour protection constructional network 1, can tie forest soil 4, avoid forest soil 4 to run off.

The working principle is as follows: firstly, the forest soil 4 is paved on the river bottom soil 5, then the anti-scour structure net 1 is paved on the forest soil 4, then the submerged plant tape grass 2 is tied at the node of the second nylon rope 102 and the second nylon rope 102 by the base part with the height of 30cm and more than two pairs of true leaves, and the complete root system of the submerged plant tape grass 2 is buried in the forest soil 4. Finally, the peripheral corners of the grids of each four-grid erosion-proof structural net 1 are fixed by using pine piles 3 with the diameter of 40mm, so that the erosion-proof structural net 1 with the submerged plant tape grass 2 and the forest soil 4 form a stable ecological herbaceous layer structure whole.

When fixed scour protection structure net 1, only need through being array arrangement with pile body 302 and run through forest soil 4 and insert 5 inboards of river bottom soil, through going into scour protection structure net 1 card in wire casing 307, through inserting fixed slot 303 inboard with spud pile 304, utilize spring 306 deformation to produce elasticity and apply in fixture block 305, can make fixture block 305 support fixed slot 303 inner wall all the time, make pile head 301 fixed in pile body 302, can accomplish laying fixedly to scour protection structure net 1, it is comparatively practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an ecological herbaceous layer suitable for river bottom scour protection, includes river bottom soil (5), river course (6), river course bank slope (7), its characterized in that: river course (6) set up in the both sides of river bed soil (5), river course bank slope (7) set up in the upper surface of river course (6), the inboard of river bed soil (5) is run through and is provided with pine stake (3), the upper surface of river bed soil (5) covers has forest soil (4), the upper surface of forest soil (4) covers has scour protection structure net (1), and scour protection structure net (1) runs through the inboard that sets up in pine stake (3), the upper surface of scour protection structure net (1) is equipped with benthophyte grass (2).

2. The ecological herbaceous layer suitable for river bottom scour protection according to claim 1, wherein: scour protection structure net (1) is including nylon rope (101), No. two nylon ropes (102), gauze (103), scour protection structure net (1) is longitude and latitude cross arrangement by nylon rope (101) and No. two nylon ropes (102), gauze (103) set up in the inboard of nylon rope (101).

3. The ecological herbaceous layer suitable for river bottom scour protection according to claim 2, wherein: pine stake (3) include pile head (301), pile body (302), fixed slot (303), spud pile (304), fixture block (305), spring (306), wire casing (307), and pine stake (3) adopt the components of a whole that can function independently design, pile body (302) set up in the bottom of pile head (301), fixed slot (303) set up in the inboard of pile body (302), wire casing (307) run through set up in the inboard of pile head (301) and pile body (302), spud pile (304) weld in the bottom of pile head (301), fixture block (305) and spring (306) all set up in the inboard of spud pile (304), and spring (306) set up in the left side of fixture block (305).

4. The ecological herbaceous layer suitable for river bottom scour protection according to claim 3, wherein: the clamping blocks (305) are sleeved with the fixing piles (304), the clamping blocks (305) and the springs (306) form an elastic structure, the clamping blocks (305) are two in number, the clamping blocks (305) are oppositely arranged, and the clamping blocks (305) are clamped with the fixing grooves (303).

5. The ecological herbaceous layer suitable for river bottom scour protection according to claim 4, wherein: the number of the wire grooves (307) is two, the wire grooves (307) are arranged in a crossed mode, and the two wire grooves (307) are respectively clamped with the first nylon rope (101) and the second nylon rope (102).

6. The ecological herbaceous layer suitable for river bottom scour protection according to claim 5, wherein: the thickness of the forest soil (4) is 100-130 mm, and the first nylon rope (101) and the second nylon rope (102) are arranged in a distance of 100mm multiplied by 100mm in a crossed mode.