CN219671216U - Flood control dike suitable for river and lake - Google Patents
Flood control dike suitable for river and lake Download PDFInfo
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- CN219671216U CN219671216U CN202320990842.0U CN202320990842U CN219671216U CN 219671216 U CN219671216 U CN 219671216U CN 202320990842 U CN202320990842 U CN 202320990842U CN 219671216 U CN219671216 U CN 219671216U
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Abstract
The utility model discloses a flood control dike suitable for rivers and lakes, which comprises a dike body, wherein the dike body consists of a dike body top layer and a dike body bottom layer; the flood control dyke top layer comprises an original construction retaining wall, a sidewalk, an anti-seepage sheet pile, a soil foundation layer, a soil filling layer and an ecological slope protection, wherein the flood control dyke bottom layer comprises the soil foundation layer, the soil filling layer, the ecological slope protection and a vertical anti-seepage layer, and the soil filling layer is arranged on the surface of the soil foundation layer; the ecological slope protection is located on the surface of the soil filling layer, and the vertical impermeable layer is vertically arranged close to the side of the polder area. The utility model achieves the purposes of flood control, ecological restoration and resident leisure through strengthening the structure and optimizing arrangement of the embankment body.
Description
Technical Field
The utility model relates to the field of water conservancy flood control and ecology, in particular to an ecological flood control dike integrating flood control, ecological landscape and leisure.
Background
Flood is a natural disaster with the greatest harm and the most serious loss in China, flood disaster defending work is performed, disaster loss can be reduced to the greatest extent, and the effects of maintaining social stability, promoting economic development and improving ecological environment can be achieved. The river dike is an important component part of a flood control system in the downstream area in China, especially seven large rivers, and is an infrastructure and important guarantee for water conservancy flood control. However, many embankments are limited by early technical, economical and environmental conditions, and have long running time, and the following problems exist in different degrees of embankment engineering, which are specifically expressed in the following aspects: (1) The hidden danger of the embankment body is more, the quality is poor, the embankment line is long, and the dangerous situations such as water seepage, piping and the like of partial embankment body are very easy to form in the flood period; (2) The number of pits behind the dike is large, particularly in the Yangtze river dry dike and lake area, and the soil is taken behind the dike to build the dike, so that the pits behind the dike are densely distributed and are weak in coverage; (3) The flood control standard of the embankment is low, the proportion of the flood control standard in 50-100 years is low, and the width of the top of the embankment is low; (4) Most of the dykes are built by concrete, the dykes are monotonous, and the combination of the dykes with landscape ecology and leisure is less.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the flood control dike which can strengthen the structure and stability of the dike body and is suitable for rivers and lakes.
In order to solve the technical problems, the utility model provides the following scheme:
the flood control dike suitable for river and lake comprises a dike body, wherein the dike body consists of a dike body top layer and a dike body bottom layer; the flood control dike top layer is close to one side of a river or a lake, the flood control dike top layer comprises an original construction retaining wall, a pavement, an anti-seepage sheet pile, a soil foundation layer, a soil filling layer and an ecological slope protection, the original construction retaining wall is constructed close to one side of a river or a lake, the anti-seepage sheet pile is positioned in the soil foundation layer, the soil filling layer is constructed on the soil foundation layer, the pavement and the ecological slope protection are paved on the soil filling layer, the pavement is positioned at the highest position of the dike top layer, and the ecological slope protection is positioned at two sides of the pavement; the flood control dike bottom layer is close to one side of the polder region, and comprises a soil foundation layer, a soil filling layer, an ecological slope protection layer and a vertical impermeable layer, wherein the soil filling layer is arranged on the surface of the soil foundation layer; the ecological slope protection is located on the surface of the soil filling layer, and the vertical impermeable layer is vertically arranged close to the side of the polder area.
Preferably, the top layer of the embankment body is formed by stacking soil foundation layers, and the width of the top layer of the embankment body is 4m; the distance between the top layer of the embankment body and the inner side of the retaining wall at the outer river side is 1.5m, and plants are planted on the top layer of the embankment body; the slope of the bottom layer of the embankment body is 1:2, the gradient of the top layer of the embankment body is 1:2.5.
preferably, the soil foundation layer of the embankment body is made of powdery clay, the paving thickness of each layer of powdery clay is 0.2-0.3m, and the compactness is more than or equal to 0.91.
Preferably, the anti-seepage sheet pile is a polymer anti-seepage sheet pile, the anti-seepage sheet pile is provided with a novel polymer ecological supporting structure which is formed by mixing various additives and then extruding and forming at one time, the length of the anti-seepage sheet pile is 3.2m, the construction position of the anti-seepage sheet pile is positioned on the top layer of a dyke body, and the distance between the pile top of the anti-seepage sheet pile and the dyke top is 1.2m.
Preferably, the pavement is a ceramic particle pavement, the pavement is composed of mixed ballast, a broken stone cushion layer, concrete, an emulsified asphalt penetrating layer, asphalt concrete, an asphalt color-changing adhesive and blue ceramic particles from bottom to top, granite curbs are distributed on two sides of the pavement, and the pavement width is 4m.
The thickness of the ceramic particle pavement is 450mm, the thickness of the mixed pouring slag is 150mm, the thickness of the broken stone cushion layer is 150mm, the thickness of the concrete is 120mm, the concrete strength C25, and the specification of the granite curbstone is 200 multiplied by 120 multiplied by 1000mm.
Preferably, the ecological slope protection is planted with arbor and shrub, and herbaceous plants are planted between arbor and shrub.
Preferably, the arbor is a peach, a peach and a peach, the shrub is a bellflower, a snowflake, a glabrous greenbrier herb and a herb of the rose grass, and the herb is a bermuda grass.
Preferably, the planting density of the shrubs is 25-49 plants/m 2, the herbaceous plants are sown with seeds, and the planting density of the seeds is 10-20g/m2.
Preferably, the vertical impermeable layer is sequentially provided with geotextiles, bamboo curtain sheets and wood piles from outside to inside from one side of a river channel or a lake, and the heights of the vertical impermeable layer components are consistent.
Preferably, the diameter of the wood pile is larger than 12cm, and the length of the wood pile is 4 or 6m; the geotextile adopts filament or short fiber needled non-woven geotextile with the specification of 200g/m 2 The thickness is more than 2.7mm, and the vertical seepage-proofing coefficient is K× (10 -1 ~10 -3 ）cm/s(K=1.0~9.9)
Compared with the prior art, the utility model has the following beneficial technical effects:
(1) The flood control dike can be built nearby by adopting natural materials through local materials, the freight distance and freight cost are reduced, the construction cost is saved, and impermeable sheet piles are applied to the dike tops by widening the dike surfaces and improving the dike top heights, so that the water level requirements of 50 years and more are met;
(2) The width of the dyke surface is fully utilized, and the arrangement of the humanoid walkways and the ecological landscape is combined, so that leisure places are provided for people, and the requirements of body building of the whole people are met.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic view of the structure of a flood dike according to the present utility model;
fig. 2 is a schematic view of the structure of the top layer of the dike body of the present utility model;
fig. 3 is a schematic structural view of a base layer of a dike body according to the present utility model;
FIG. 4 is a schematic view of the construction of the vertical barrier of the present utility model;
wherein, 1 is the original retaining wall, 2 is the sidewalk, 3 is prevention of seepage sheet pile, 4 is soil foundation layer, 5 is soil filling layer, 6 is ecological slope protection, 7 is perpendicular prevention of seepage layer, 8 is geotechnical cloth, 9 is bamboo curtain piece, 10 is the stake.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 4, the present embodiment provides a multifunctional flood dike suitable for use in rivers and lakes, comprising a dike body composed of a dike body top layer a and a dike body bottom layer B. The bottom layer B of the embankment body is a semipermeable water layer, and the top layer A of the embankment body is a water impermeable layer.
The embankment body is built along the direction of the contour line of the flood control limiting water level; height of the dike body bottom layer B: normal water level height at the polder area side; top bank a height: historical highest water level height.
In the embodiment, the gradient of the top layer A of the embankment body is 1:2 or 1:2.5; the top layer of the embankment body comprises an original construction retaining wall 1, a pavement 2, an anti-seepage sheet pile 3, a soil foundation layer 4, a soil filling layer 5 and an ecological slope protection 6, wherein the original construction retaining wall 1 is constructed at one side close to a river and a lake. The seepage-proofing sheet pile 3 is positioned in the soil foundation layer 4; a soil filling layer 5 is formed on the soil foundation layer 4. Paving a pavement 2 and an ecological slope protection 6 on the soil filling layer 5; the sidewalk 2 is positioned at the highest position of the top layer of the embankment body; the ecological slope protection 6 is positioned at two sides of the pavement 2.
The pavement 2 comprises mixing ballast, a broken stone cushion layer, concrete, an emulsified asphalt penetrating layer, asphalt concrete, an asphalt color-changing adhesive and blue ceramic particles, granite curbs are distributed on two sides of the pavement 2, and the width of the pavement 2 is 4m.
The seepage-proofing sheet pile 3 is a novel polymer ecological supporting structure formed by mixing environment-friendly polymer reinforced composite materials with various additives and extruding the mixture at one time. The length of the seepage-proofing sheet pile 3 is 3.2m, and the height of the pile top of the seepage-proofing sheet pile 3 from the embankment top is 1.2m.
The soil foundation layer 4 is tamped after removing surface impurities, plants and garbage.
The soil filling layer 5 is filled with powdery clay, and each layer of powdery clay is paved with the thickness of 0.2-0.3m, and the compactness is more than or equal to 0.91.
And grass and arbor-shrub plants are planted on the ecological slope protection 6.
In this embodiment, the slope of the bank bottom layer is 1:2. The dyke body bottom layer B comprises a soil foundation layer 4, a soil filling layer 5, an ecological slope protection layer 6 and a vertical impermeable layer 7. Wherein, the soil foundation layer 4 is tamped after removing surface sundries, plants and garbage. The soil filling layer 5 is filled with powdery clay, and each layer of powdery clay is paved with the thickness of 0.2-0.3m, and the compactness is more than or equal to 0.91. And grass and arbor-shrub plants are planted on the ecological slope protection 6.
The vertical impermeable layer 7 is vertically arranged near the polder region side. The vertical impermeable layer 7 comprises geotextile 8, bamboo curtain sheets 9 and wood piles 10, and the heights of the tops of the geotextile 8, the bamboo curtain sheets 9 and the wood piles are consistent; the geotextile 8 is made of filament or short fiber needled non-woven geotextile with the specification of 200g/m < 2 >, the thickness of more than 2.7mm and the vertical seepage-proofing coefficient of K× (10-1 to 10-3) cm/s (K=1.0 to 9.9); the diameter of the wood pile 10 is larger than 12cm, and the length is 4 or 6m.
In this example, the arbor is fructus Persicae, fructus Persicae and fructus Persicae, the shrub is flos Belladonnae, herba Galii Teneri, herba Andrographitis and herba Ajugae, and the herb is herba Cydoniae Japonicae.
In this example, the bush planting density is 25-49 plants/m 2, the herb is seed sowing, and the seed planting density is 10-20g/m2.
Claims (7)
1. A flood control dike suitable for river and lake, its characterized in that: the novel solar energy collector comprises a dike body, wherein the dike body consists of a dike body top layer and a dike body bottom layer; the method comprises the steps that a top layer of a embankment body is close to one side of a river or a lake, the top layer of the embankment body comprises an original construction retaining wall, a sidewalk, impermeable sheet piles, a soil base layer, a soil filling layer and ecological slope protection, the original construction retaining wall is constructed close to one side of a river or a lake, the impermeable sheet piles are positioned in the soil base layer, the soil filling layer is constructed on the soil base layer, the sidewalk and the ecological slope protection are paved on the soil filling layer, the sidewalk is positioned at the highest position of the top layer of the embankment body, and the ecological slope protection is positioned at two sides of the sidewalk; the dyke body bottom layer is close to one side of the polder region, and comprises a soil foundation layer, a soil filling layer, an ecological slope protection layer and a vertical impermeable layer, wherein the soil filling layer is arranged on the surface of the soil foundation layer; the ecological slope protection is located on the surface of the soil filling layer, and the vertical impermeable layer is vertically arranged close to the side of the polder area.
2. A flood dike suitable for use in a river or lake according to claim 1, wherein: the top width of the top layer of the embankment body is 4m; the distance between the top layer of the embankment body and the inner side of the retaining wall at the outer river side is 1.5m, and plants are planted in the ecological slope protection; the slope of the bottom layer of the embankment body is 1:2, the gradient of the top layer of the embankment body is 1:2.5.
3. a flood dike suitable for use in a river or lake according to claim 1, wherein: the anti-seepage sheet pile is a polymer anti-seepage sheet pile, the length of the anti-seepage sheet pile is 3.2m, and the height of the top of the anti-seepage sheet pile from the embankment top is 1.2m.
4. A flood dike suitable for use in a river or lake according to claim 1, wherein: the width of the pavement is 4m.
5. A flood dike suitable for use in a river or lake according to claim 1, wherein: the plants planted in the ecological slope protection are arbor, shrub and herbaceous plants, and herbaceous plants are planted between arbor and shrub.
6. A flood dike suitable for use in a river or lake according to claim 1, wherein: the vertical impermeable layer comprises geotextile, bamboo curtain sheets and wood piles; geotextile and bamboo curtain sheets are sequentially arranged at the upper end of the wood pile.
7. A flood dike suitable for use in a river or lake according to claim 6, wherein: the diameter of the wood pile is larger than 12cm, and the length of the wood pile is 4-6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320990842.0U CN219671216U (en) | 2023-04-27 | 2023-04-27 | Flood control dike suitable for river and lake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320990842.0U CN219671216U (en) | 2023-04-27 | 2023-04-27 | Flood control dike suitable for river and lake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671216U true CN219671216U (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320990842.0U Active CN219671216U (en) | 2023-04-27 | 2023-04-27 | Flood control dike suitable for river and lake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671216U (en) |
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- 2023-04-27 CN CN202320990842.0U patent/CN219671216U/en active Active
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