CN108442314A - A kind of economical landscape ecological bank protection - Google Patents

Abstract

A kind of economical landscape ecological bank protection, it is characterised in that：Upstream face is made of river bed, purifying aquaculture pond, emergent aquactic plant plantation layer, purification lawn, ornamental flower layer, tea tree lawn interplanting layer, pavement, ecological revetment agent structure is made of top of the slope road, bank protection main body, bottom of slope cement layer and cement panel, and back side is made of ground, Tea planting layer, cement curved surface pond, vertical cement panel, bottom of slope collecting-tank.The present invention can not only reinforce the stabilization of bank protection, barrier performance, it can also purifying rainwater, river sewage, the tea tree of plantation, fish shrimp crab of cultivation etc. also have economic benefit, while tea tree, lawn, flowers also constitute a secondary beautiful ecological picture scroll, generate the Landscape benefit of high value.

Description

An economical landscape ecological slope protection

technical field

The invention belongs to the fields of canal regulation and environmental protection, and in particular relates to an economical landscape ecological slope protection.

Background technique

As people pay more and more attention to the ecological environment and the needs of people's mood, ecological slope protection has gradually appeared in the repair and construction of major channel slope protection, which has both landscape benefits. Ecological slope protection refers to the ability to prevent soil erosion, reduce pore water pressure on the slope, intercept rainfall, weaken splash erosion, and control soil particle loss; it can improve environmental functions, restore the damaged ecological environment, reduce noise, reduce light pollution, and ensure driving safety A kind of slope protection. Therefore, ecological slope protection technology should be a systematic project that not only satisfies the function of river slope protection, but also helps to restore the ecological balance of the river slope protection system. Plant slope protection uses deep root anchorage of vegetation root system, shallow root reinforcement, reduces pore pressure, weakens splash erosion, controls runoff to stabilize soil, prevents water and soil loss, and can be used for landscaping to meet the needs of the ecological environment. Plant engineering composite slope protection technologies include three-dimensional vegetation nets, civil material soil-fixing planting bases, cement ecological planting bases, barbed wire and crushed stone composite planting bases, etc.

Ecological slope protection is mainly designed and constructed to face the water. At the same time, the general ecological planting of lawns, shrubs and other plants rarely considers the purification effect of planted plants, and almost does not consider the economic value of slope protection.

Contents of the invention

In order to solve the above-mentioned problems, the present invention builds ecological slope protection on the water-facing surface and the back-water surface simultaneously, which not only increases the stability and anti-seepage performance of the slope protection, but also beautifies the environment. By planting economic crops with purification function and cultivating economic aquatic products such as fish, shrimp and crab, the economic value of slope protection will be increased. The invention provides an economical landscape ecological slope protection, which is composed of an ecological structure on the water-facing surface, an ecological structure on the back-water surface, and a slope protection body. At the same time, tea trees, lawns, and flowers also constitute a beautiful ecological picture, producing high-value landscape economic benefits.

The technical solution of the present invention is: an economical landscape ecological slope protection, the water facing surface is composed of river bottom, purified culture pond, emergent plant planting layer, purified lawn, ornamental flower layer, tea tree lawn interplanting layer, sidewalk, and the main body of ecological slope protection The structure is composed of the road at the top of the slope, the main body of the slope protection, the cement layer and the cement panel at the bottom of the slope, and the back surface is composed of the ground, the tea planting layer, the cement surface pool, the vertical cement panel, and the pool at the bottom of the slope.

Further, the main body of the slope protection is trapezoidal, compacted and stacked by plain soil or plain concrete, the height is not less than 5m, the top is a slope top road, the thickness is not less than 10cm, the two sides are paved with gravel layers with a thickness of about 50cm, and the cement layer at the bottom of the slope For cement mortar masonry, the thickness is not less than 50cm.

Furthermore, the soil layer of the interplanting layer of tea trees and turf is not less than 30cm thick, directly spread on the gravel layer, and the height is not less than 2m, and cement sidewalks are laid at intervals along the river course, the distance between rows of tea trees is not less than 100cm, and the distance between plants is not less than 50cm , growing ryegrass under the tree.

Furthermore, the cross-section of the purified culture pond is a parallelogram with a height of not less than 1m. The bottom, left and right sides, front and back are cast-in-place cement masonry, and the top is open and the width is not less than 30cm.

Further, the cement panel is obliquely inserted into the river bottom mud, and the insertion depth is not less than 50cm.

Further, the thickness of the tea plantation layer is not less than 40cm.

Further, the height from the upper side of the cement surface pool and the bottom of the pool to the highest water level is not less than 30cm.

Furthermore, the vertical cement panel has the anti-seepage function of cement pouring, and the insertion depth is not less than 20cm.

The present invention can not only strengthen the slope protection and improve the anti-seepage performance of the slope protection, but also perform multi-level purification of rainwater or sewage caused by rising water level of the river through the ecological structure of different structures on the front water surface and the back water surface. It can effectively reduce the content of nitrogen and phosphorus in water, and the removal rate reaches 84% and 92% respectively, and it also has a certain removal effect on heavy metals. Plants grown at the same time are economically beneficial. Landscaping benefits. Building a pool on the slope protection can not only collect rainwater and purify rainwater, but also breed economic aquatic animals such as fish, shrimp and crab, which will generate considerable economic benefits. The invention can also play the role of natural rainwater accumulation and reduce the waste of water resources.

Description of drawings

Fig. 1 is a kind of economical landscape ecological slope protection of the present invention and the schematic diagram of back water surface;

Fig. 2 is a kind of economical landscape ecological slope protection of the present invention and the schematic diagram of the water facing surface;

In the figure: 1. Economical landscape ecological slope protection, 2. Ground, 3. River bottom, 4. Purification culture pond, 5. Emergent planting layer, 6. Purification lawn, 7. Ornamental flower layer, 8. Tea tree lawn Interplanting layer, 9, slope top road, 10, tea planting layer, 11, cement surface pool, 12, vertical cement panel, 13, phytoplankton, 14, tea tree, 15, slope bottom pool, 16, slope bottom cement layer, 17. Cement panel, 18. Main body of slope protection, 19. Emerging plants, 20. Lawn, 21. Pebbles, 22. Sandy loam, 23. Gravel layer, 24. Flowers, 25. Sidewalk.

Detailed ways

As shown in Figures 1 and 2, a kind of economical landscape ecological slope protection (1), the water facing surface is composed of river bottom (3), purification culture pond (4), emergent plant planting layer (5), purification lawn (6), Ornamental flower layer (7), tea tree lawn interplanting layer (8), sidewalk (25), the main structure of ecological slope protection consists of slope top road (9), slope protection main body (18), slope bottom cement layer (16) and cement panel (17) form, and the backwater surface is made up of ground (2), tea plantation layer (10), cement curved surface pool (11), vertical cement panel (12), slope bottom pool (15). The slope protection main body (18) is trapezoidal, compacted and stacked by plain soil or plain concrete, the height is not less than 5m, the top is a slope top road (9), the thickness is not less than 10cm, and gravel with a thickness of about 50cm is paved on both sides Layer (23), the cement layer (16) at the bottom of the slope is built with cement mortar, and the thickness is not less than 50cm. Described tea tree turf interplanting layer (8) soil layer thickness is not less than 30cm, directly spreads on the crushed stone layer (23), height is not less than 2m, along the river course towards paving cement sidewalk (25) at intervals, tea tree ( 14) Row spacing is not less than 100cm, plant spacing is not less than 50cm, and ryegrass is planted under the trees. The cross-section of the purified culture pond (4) is parallelogram, the height is not less than 1m, the bottom, left and right sides, front and back are cast-in-place cement masonry, the top is open and the width is not less than 30cm. The cement panel (17) is obliquely inserted into the river bottom mud, and the insertion depth is not less than 50cm. The thickness of the tea planting layer (10) is not less than 40cm. The height from the upper side of the cement surface pool (11) and the bottom of the pool to the highest water level is not less than 30cm. The vertical cement panel (12) is poured with cement with anti-seepage function, and the insertion depth is not less than 20cm. Water (rainwater, river water) passes through the tea tree lawn interplanting layer (8) to retain a part of the water source, and the planted purification plants (such as ryegrass) absorb the pollutants or excessive nutrients (nitrogen, phosphorus) in the water, and the rest of the water is in the purification culture pond (4) Accumulation. When the water level is higher than the purification culture pond (4), the water flows through the ornamental flower layer (7), and part of the water is trapped in this layer to be purified by the flowers, and the excess water continues to flow into the purification culture pond (4) below. Phytoplankton (13) with purifying effect is planted on the water surface of the purification culture pond, and aquatic animals such as fish, shrimp and crab can be cultivated in the water. Excess water flows into the river bottom through the purified lawn (6) and the emergent plant planting layer (5). On the back water surface, rainwater flows into the slope bottom sump ( 15). The cement curved surface pool (11) can plant some phytoplankton with purifying effect, cultivate small fish and shrimp etc. The sump (15) at the bottom of the slope is planted with purification plants, and larger fish etc. can also be cultivated. The sump (15) section at the bottom of the slope is a quadrilateral, except that the side near the slope protection is poured with an anti-seepage cement panel, and the rest are excavated and repaired by the original soil.

The present invention can not only strengthen the slope protection and improve the anti-seepage performance of the slope protection, but also perform multi-level purification of rainwater or sewage caused by rising water level of the river through the ecological structure of different structures on the front water surface and the back water surface. It can effectively reduce the content of nitrogen and phosphorus in water, and the removal rate reaches 84% and 92%. Plants grown at the same time are economically beneficial. Landscaping benefits. Building a pool on the slope protection can not only collect rainwater and purify rainwater, but also breed economic aquatic animals such as fish, shrimp and crab, which will generate considerable economic benefits.

Claims (8)

1. An economical landscape ecological slope protection (1), is characterized in that: the facing surface is composed of river bottom (3), purification breeding pond (4), emergent plant planting layer (5), purification lawn (6), ornamental Flower layer (7), tea tree lawn interplanting layer (8), sidewalk (25), the main structure of ecological slope protection consists of slope top road (9), slope protection main body (18), slope bottom cement layer (16) and cement panel (17 ), the back surface is composed of ground (2), tea planting layer (10), cement surface pool (11), vertical cement panel (12), and slope bottom sump (15). 2. According to an economical landscape ecological slope protection described in claim 1, it is characterized in that: the slope protection main body (18) is trapezoidal, compacted and stacked by plain soil or plain concrete, the height is not less than 5m, and the top is The slope top road (9) has a thickness of not less than 10cm, and both sides are paved with a gravel layer (23) with a thickness of about 50cm, and the cement layer (16) at the bottom of the slope is made of cement mortar with a thickness of not less than 50cm. 3. a kind of economical landscape ecological slope protection according to claim 1, is characterized in that: described tea tree lawn interplanting layer (8) soil layer thickness is not less than 30cm, directly spreads on gravel layer (23), The height is not less than 2m, cement sidewalks (25) are paved at intervals along the river course, the distance between rows of tea trees (14) is not less than 100cm, the distance between plants is not less than 50cm, and ryegrass is planted under the trees. 4. A kind of economical landscape ecological slope protection according to claim 1, characterized in that: the cross-section of the purified culture pond (4) is a parallelogram, the height is not less than 1m, and the bottom, left and right sides, front and back sides are made of cement Cast-in-place masonry with an open top and a width of not less than 30cm. 5. An economical landscape ecological slope protection according to claim 1, characterized in that: said cement panel (17) is obliquely inserted into the river bottom mud, and the insertion depth is not less than 50cm. 6. An economical landscape ecological slope protection according to claim 1, characterized in that: the thickness of the tea plantation layer (10) is not less than 40cm. 7. An economical landscape ecological slope protection according to claim 1, characterized in that: the height from the upper side of the cement surface pool (11) to the highest water level from the bottom of the pool is not less than 30cm. 8. An economical landscape ecological slope protection according to claim 1, characterized in that: said vertical cement panel (12) is cemented with anti-seepage function, and the insertion depth is not less than 20cm.