CN209798666U

CN209798666U - Water and soil conservation structure for hydro-fluctuation belt

Info

Publication number: CN209798666U
Application number: CN201920339459.2U
Authority: CN
Inventors: 徐春英
Original assignee: Shanghai Langtian Environmental Technology Co Ltd
Current assignee: Shanghai Langtian Environmental Technology Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2019-12-17
Anticipated expiration: 2029-03-18

Abstract

The utility model provides a water and soil conservation structure in water-level-fluctuating zone, is in including the slope body of rammed soil, cast-in-place ecological greening concrete layer on the slope body, and plant the planting layer on the ecological greening concrete layer, the bottom on cast-in-place ecological greening concrete layer is formed with the ecological greening concrete column supporter that a plurality of vertical insertion slope bodies from the top of the slope to the slope bottom interval, ecological greening concrete column supporter and ecological greening concrete layer integrated into one piece are pour into shape, and the surface and the inside of ecological greening concrete layer are formed with continuous aperture, and the vegetation root system on planting layer can follow the planting layer and grow downwards, pierces through ecological greening concrete layer, finally pricks the root in the soil horizon of slope body. The utility model discloses a water and soil retaining structure in falling zone has splendid reinforcement stabilizing action to the slope body, and along with the reinforcing of root content among the entire system for side slope factor of safety improves thereupon, and this structure not only can keep bank slope stable, guarantee flood control safety and prevent soil erosion and water loss, still can maintain the ecological balance of bank.

Description

Water and soil conservation structure for hydro-fluctuation belt

Technical Field

The utility model relates to an ecological bank protection technical field, concretely relates to hydro-fluctuation belt soil and water conservation structure.

Background

The water-level fluctuation zone mainly refers to an area where the seasonal water level fluctuation causes the submerged land to periodically expose on the water surface, the upper limit of the water level in the dry period is used as the lower limit of the water-level fluctuation zone, and the highest water level line in the flood period is used as the upper limit of the water-level fluctuation zone. The falling zone is damaged by freezing, water flow scouring and erosion and wave impact under the action of water flow, so that the slope is easy to collapse and soil and water loss is caused, and better protection is required.

The traditional water level falling zone mainly adopts reinforced cement gray infrastructures such as dry stones, grouted stones, cast-in-place or precast concrete and the like, which play very important roles in keeping bank slope stable, ensuring flood control safety, preventing water and soil loss and the like, but the water conservancy slopes of cutting, straightening, hardening channels and canalization and hardening destroy the integrity and health of a natural water system, on one hand, the exchange of substances, energy and information between rivers and a land ecological system is blocked, the exchange of river water and underground water is blocked, on the other hand, adverse effects are generated on landscape and ecological environments, so that the damage and deterioration of the land water and the ecological environment are caused, and the water conservation ecological benefits are not realized; and moreover, the soil behind the hardened side slope is alkalized, becomes dead soil and loses nutrients, so that the growth environment of onshore plants and the growth and reproduction environment of microbial communities are lost, aquatic animals disappear or even die due to the loss of biological chains, underwater biological communities disappear, the self-cleaning capacity of the river is lost, and under the combined action of rural domestic sewage and urban sewage, rivers and lakes enter the vicious circle of black and stink to cause environmental damage, thereby influencing the production and life of human beings.

Disclosure of Invention

The utility model discloses a solve the above-mentioned problem that prior art exists, provide a water and soil conservation structure in water-level fluctuation belt to solve current traditional water-level fluctuation belt and carry out the sclerosis because of adopting reinforced cement and handle, though play the bank protection function, nevertheless lead to the original natural ecological environment of bank protection to destroy, thereby further influence the water ecology, lead to the technical problem that river course self-purification ability disappears.

In order to realize the above-mentioned purpose, the utility model provides a water and soil conservation structure in water-fall area, including ramming the slope body of soil, cast-in-place ecological greening concrete layer on the slope body, and planting layer on the ecological greening concrete layer, the bottom on cast-in-place ecological greening concrete layer is formed with the ecological greening concrete column supporter that a plurality of vertical insertion slope bodies from the top of the slope to the slope end interval, ecological greening concrete column supporter and ecological greening concrete layer integrated into one piece, ecological greening concrete layer's surface and inside are formed with continuous aperture to make the preparation root system growth on planting layer in the aperture and extend to in the soil of slope body.

As the utility model discloses a further preferred technical scheme, the top of slope and the base of slope of the slope body are equipped with respectively and press top and the banket of being connected with ecological greening concrete layer, and all are the square structure.

As a further preferable technical proposal of the utility model, the coping and the foot protector are a plain concrete coping and a plain concrete foot protector with the strength of C20.

As a further preferred aspect of the present invention, the size of the height of the top press or the foot protector is 200mm x 300mm, 400 x 500mm or 600 x 700 mm.

As a further preferred technical proposal of the utility model, the aggregate adopted by the ecological greening concrete is small-grain-size stones of 5-15 mm.

As a further preferable technical proposal of the utility model, the thickness of the ecological greening concrete layer is 80-120mm, the strength is C18-C15, and the porosity is 20-35%.

As a further preferred technical scheme of the utility model, the vegetation on planting the layer is one or more in vetiver grass, calamus, reed, loosestrife, yellow calamus, allium mongolicum regel, relish flower, saxifrage, flower leaf arundo donax.

The utility model discloses a water and soil conservation structure in water-level-fluctuating zone, the vegetation root system on its planting layer can follow the planting layer and grow downwards, pierce through ecological greening concrete layer, finally prick the root in the soil horizon of the slope body, the root system that the vegetation grows with great ease is just like the reinforcing bar of live body, there is splendid reinforcement stabilizing effect to the slope body, along with the reinforcing of root content in the overall structure, make side slope factor of safety improve thereupon, adopt cast-in-place ecological greening concrete to carry out the bank protection, not only can keep bank slope stable, guarantee flood control safety and prevent soil erosion, still can maintain the ecological balance of slope bank.

Drawings

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

Fig. 1 is a schematic structural view of an example provided by the water and soil conservation structure of the hydro-fluctuation belt of the present invention;

In the figure: 1. the ecological greening concrete support comprises a coping, 2, a slope body, 3, a planting layer, 4, an ecological greening concrete layer, 5, a foot protector and 6.

Detailed Description

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1, the water and soil conservation structure of the water-level-fluctuating zone comprises a slope body 2 tamped with soil, an ecological greening concrete layer 4 cast on the slope body 2 in situ, and a planting layer 3 planted on the ecological greening concrete layer 4, wherein a plurality of ecological greening concrete column-shaped supporting bodies 6 vertically inserted into the slope body 2 are formed at intervals from the top of the slope to the bottom of the slope at the bottom of the cast-in-situ ecological greening concrete layer 4, the ecological greening concrete column-shaped supporting bodies 6 and the ecological greening concrete layer 4 are integrally cast, and continuous pores are formed on the surface and inside of the ecological greening concrete layer 4, so that prepared root systems of the planting layer 3 grow in the pores and extend into the soil of the slope body 2.

In specific implementation, the top and the bottom of the slope body 2 are respectively provided with a coping 1 and a foot protector 5 connected with the ecological greening concrete layer 4, and both are in a square structure, the size of the coping 1 is 200mm x 300mm, 400 x 500mm or 600 x 700mm, and the size of the foot protector 5 is 200mm x 300mm, 400 x 500mm or 600 x 700 mm. Of course, in actual construction, the size can be selected as required. Wherein the coping 1 and the foot protector 5 are a plain concrete coping and a plain concrete foot protector with the strength of C20.

In specific implementation, the aggregate adopted by the ecological greening concrete is small-particle-size stones with the particle size of 5-15mm, the thickness of the ecological greening concrete layer 4 is 80-120mm, the strength is C18-C15, and the porosity is 20-35%.

In specific implementation, the vegetation of the planting layer 3 is one or more of vetiver grass, calamus, reed, loosestrife, calamus, allium mongolicum regel, thalictrum ramosissimum, saxifrage and arundo donax, the planting mode is spray-seeding or smear-seeding, the planting time is a dry period, the planting time is at least 40 days away from a rich water period, and the vegetation and the sufficient growth period are kept.

The utility model discloses a water and soil conservation structure in water-fall zone, its ecological greening concrete can make the revetment engineering not only have traditional concrete revetment's characteristics and guard action, and because it has continuous pore, can save vegetation's matrix, provide the basis for green plant roots's growth, plant roots can go deep into in the concrete pore, better reinforcing effect has, can excel in durably, the waterproof soil loss, can improve the environment again, ecological greening concrete surface grows green plant, not only can play the view effect, and the aquatic environment has been improved.

Meanwhile, microorganisms and small animals live on the concave-convex different surfaces of the porous concrete and in the continuous pores, so that living space is provided for the microorganism-based small animals, the diversity of organisms is kept, and natural ecological river bank protection and the like are formed. In addition, various bacteria attached to the porous concrete decompose and digest organic matters into inorganic matters through aerobic nutrient bacteria, nitrobacteria and the like, and the inorganic matters are photosynthetic again through carbon dioxide dissolved in water and are produced into organic matters again, so that the river water quality is purified indirectly through a food chain formed repeatedly, and the environment-friendly effect of killing multiple birds with one stone is achieved.

The utility model discloses a water and soil conservation structure in falling zone is flexible protection in water level change district, and the water current that can guarantee when the water level rises (rich water phase) washes away the needs, realizes the most basic function of bank protection, can satisfy the water level again and fall behind (when well low water level) vegetation's needs, beautifies the environment, can also exert the effect of plant purification quality of water, and is obvious for other bank protection form advantages.

The utility model discloses a slope protection structure compares with the conventional art, the utility model discloses can be according to the water level variation condition in the water-level fluctuation of water-level fluctuation area, rational arrangement makes the water and soil loss problem in the water-level fluctuation area can solve to ecological environmental protection, restorable waterfront ecology and vegetation, the effect that is showing of this technique does, and plant roots pierces through ecological greening concrete, forms organic whole with the slope body 2, makes slope body 2 more firm, can effectually prevent water and soil loss, selects to plant and all can generate no matter when waterflooding or exposing, guarantees afforestation effect and ecological effect. In addition, the arrangement of the angle bead and the coping 1 ensures the overall stability of the slope body 2 and avoids uneven settlement formed by the effects of water flow scouring and the like of a falling zone. The ecological greening concrete column-shaped supporting body 6 inserted into the soil of the slope body 2 is just like an anchor rod, and plays a role in supporting and stabilizing the ecological greening concrete. The aggregate adopted by the ecological greening concrete is small-particle-size stones with the particle size of 5-15mm, so that the ecological greening concrete has better reverse filtering effect and higher strength, and compared with the prior art, the ecological greening concrete avoids geotextile, gravel cushion layer, expansion joint and sash, and greatly saves the cost.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The water and soil retaining structure of the hydro-fluctuation belt is characterized by comprising a slope body for compacting soil, an ecological greening concrete layer cast on the slope body in a cast-in-place mode and a planting layer planted on the ecological greening concrete layer, wherein a plurality of ecological greening concrete column-shaped supporting bodies vertically inserted into the slope body are formed at intervals from the top of the slope to the bottom of the slope at the bottom of the cast-in-place ecological greening concrete layer, the ecological greening concrete column-shaped supporting bodies and the ecological greening concrete layer are integrally cast and formed, and continuous holes are formed in the surface and the inner portion of the ecological greening concrete layer, so that prepared root systems of the planting layer grow in the holes and extend into the soil of the slope body.

2. The structure for maintaining water and soil in a hydro-fluctuation belt according to claim 1, wherein the top and the bottom of the slope body are respectively provided with a top pressing and a foot protection which are connected with an ecological greening concrete layer and are of a square structure.

3. The structure of claim 2, wherein the crests and the footers are C20 strength plain concrete crests and plain concrete footers.

4. A hydro-fluctuation belt soil retention structure according to claim 3, wherein the press top has a height and width dimension of 200mm 300mm, 400 mm 500mm or 600 mm 700mm, and the toe guard has a height and width dimension of 200mm 300mm, 400 mm 500mm or 600 mm 700 mm.

5. The hydro-fluctuation belt soil and water conservation structure as claimed in claim 4, wherein the aggregate used in the eco-greening concrete is small-sized stone particles of 5 to 15 mm.

6. the hydro-fluctuation belt water and soil conservation structure of claim 5, wherein the ecological greening concrete layer has a thickness of 80-120mm, a strength of C18-C15, and a porosity of 20-35%.

7. The structure of any one of claims 1 to 6, wherein the vegetation of the vegetation layer is one or more of vetiver, calamus, reed, loosestrife, yellow flag, allium mongolicum regel, Thymus floribunda, saxifraga stolonifera and Arundo donax.