CN216254385U - Hydro-fluctuation belt nursery stock fixing structure - Google Patents
Hydro-fluctuation belt nursery stock fixing structure Download PDFInfo
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- CN216254385U CN216254385U CN202120680494.8U CN202120680494U CN216254385U CN 216254385 U CN216254385 U CN 216254385U CN 202120680494 U CN202120680494 U CN 202120680494U CN 216254385 U CN216254385 U CN 216254385U
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Abstract
The utility model relates to the technical field of reservoir ecological management, in particular to the field of vegetation restoration of hydro-fluctuation belts; the utility model aims to solve the technical problem of providing a seedling fixing structure of a hydro-fluctuation belt, which is more reliable in seedling fixing. The seedling fixing structure of the hydro-fluctuation belt comprises the hydro-fluctuation belt, seedlings, fixing piles, a fixing rod and a fixing ring, wherein planting holes are formed in the hydro-fluctuation belt, the seedlings are planted in the planting holes and filled with ecological concrete, the fixing piles are driven around the planting holes, one end of the fixing rod is connected with the fixing piles, the other end of the fixing rod is connected with the fixing ring, and the seedlings are located in the fixing ring.
Description
Technical Field
The utility model relates to the technical field of reservoir ecological management, in particular to the field of vegetation restoration of hydro-fluctuation belts.
Background
The large hydropower stations in China are numerous and play an important role in flood control, power generation and the like, and annual adjustment, seasonal adjustment, monthly adjustment and other types of hydropower stations have large reservoir water level changes, so that a large-range hydro-fluctuation belt is formed in many ways, is a transition zone between water and land, and plays a vital role in maintaining balance of reservoir bank ecological systems, protecting reservoirs and river water bodies and the like. However, the hydro-fluctuation belt is easy to form landslide, surface soil loss and other ecological damage phenomena due to repeated water body soaking, so that the vegetation in the area is not easy to survive, the variety of organisms is deficient, and the ecological community is easy to damage. The restoration and the reconstruction of the vegetation in the hydro-fluctuation belt are important ways for improving the ecological environment of the hydro-fluctuation belt, the common technology mainly comprises a PEB anti-scouring substrate ecological slope protection technology, an anti-scouring ecological slope protection component, bird's nest planting holes and the like, the measures are multipurpose on the hydro-fluctuation belt side slope with the slope gradient smaller than 25 degrees, and under the water flow scouring, the soil and the fertility are not favorably preserved, and the planted seedlings are easily scoured by the water flow to cause the root systems to be incapable of being fixed, so that the trees are not favorably survived.
The existing PEB scour prevention substrate ecological slope protection technology, scour prevention ecological slope protection components, bird's nest planting holes, ecological pond and other measures are mostly arranged in a reservoir slope which is buffered in 25 degrees or even a flat land area, and mostly implemented in an original cultivated land or a thicker soil area, for a high gorge large reservoir hydro-fluctuation belt side slope in a high-mountain gorge area, the slope is mostly more than 25 degrees, water flow scouring is larger, soil and fertility loss are serious, seedling root systems are more easily loosened, most of the side slope are flushed in the first year of planting, and the existing measures are difficult to achieve the ecological restoration effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a seedling fixing structure of a hydro-fluctuation belt, which is more reliable in seedling fixing.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the hydro-fluctuation belt seedling fixing structure comprises a hydro-fluctuation belt, seedlings, fixing piles, fixing rods and fixing rings, wherein planting holes are formed in the hydro-fluctuation belt, the roots of the seedlings are placed in the planting holes, ecological concrete capable of burying and fixing the roots of the seedlings is filled in the planting holes, at least three fixing piles are fixed around the planting holes, the top of each fixing pile is fixedly connected with one end of one fixing rod, the other end of each fixing rod is fixedly connected with the corresponding fixing ring, and the seedlings are in interference fit with the inner rings of the fixing rings.
Furthermore, wicker fences are arranged between adjacent fixing piles.
Furthermore, geotextile is arranged on the hydro-fluctuation belt between the fixed pile and the nursery stock.
Further, a gap exists between the geotextile and the nursery stock.
Further, the ecological concrete is grass seed ecological concrete.
The utility model has the beneficial effects that: a seedling fixing structure of a hydro-fluctuation belt comprises the hydro-fluctuation belt, seedlings, fixing piles, fixing rods and fixing rings, wherein planting holes are formed in the hydro-fluctuation belt, the roots of the seedlings are placed in the planting holes, ecological concrete capable of burying and fixing the roots of the seedlings is filled in the planting holes, the ecological concrete has the solidification characteristic of common concrete, and also has high water permeability and air permeability, so that the roots of the plants buried by the ecological concrete can absorb nutrients, the roots of the seedlings are buried by the ecological concrete, after the ecological concrete is solidified, the ecological concrete wraps the roots of the seedlings, firstly, the weight of the seedlings is increased, secondly, the seedlings are bonded with soil of the hydro-fluctuation belt, so that the roots of the seedlings are fixed in the planting holes, the seedlings are not prone to overturn, at least three fixing piles are fixed around the planting holes, the top of each fixing pile is fixedly connected with one end of one fixing rod, and the other end of each fixing rod is fixedly connected with one fixing ring, the nursery stock is arranged in the inner ring of the fixing ring, the fixing pile and the fixing ring can keep the nursery stock in a righting state without deflection, the root of the nursery stock is tightly pressed in the hydro-fluctuation belt, the nursery stock can continuously absorb nutrients from soil in the hydro-fluctuation belt, the survival rate of the nursery stock is improved, and the nursery stock is more firmly fixed in the hydro-fluctuation belt.
Drawings
Fig. 1 is a front view of a hydro-fluctuation belt seedling fixing structure;
fig. 2 is a top view of a hydro-fluctuation belt seedling fixing structure;
parts, positions and numbers in the drawings: nursery stock 1, spud pile 2, falling belt 3, planting hole 301, ecological concrete 4, dead lever 5, solid fixed ring 6, wicker rail 7, geotechnological cloth 8.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 and 2, the fixing structure for nursery stock in the hydro-fluctuation belt comprises a hydro-fluctuation belt 3, nursery stock 1, fixing piles 2, a fixing rod 5 and a fixing ring 6, wherein a planting hole 301 is arranged on the hydro-fluctuation belt 3, the horizontal section of the planting hole 301 is in the shape of a circle, a square or a triangle, the root of the nursery stock 1 is placed in the planting hole, ecological concrete 4 capable of burying and fixing the root of the nursery stock 1 is filled in the planting hole 301, at least three fixing piles 2 are fixed around the planting hole 301, the fixing piles 2 can be wood piles, steel piles and other structures with fixing function, the bottoms of the fixing piles 2 are deeply inserted into the hydro-fluctuation belt 3, the top of each fixing pile 2 is fixedly connected with one end of the fixing rod 5, the fixing rod 5 can be a rigid rod or a steel wire rope, a plastic rope or other substitute for the fixing, the fixing rod 5 and the fixing pile 2 can be fixedly connected by bonding, welding, threaded connection and other manners, the other end of the fixing rod 5 is fixedly connected with the fixing ring 6, the nursery stock 1 is in interference fit with the inner ring of the fixing ring 6, the fixing ring 6 can be formed by welding two semi-rings, or one ends of the two semi-rings are hinged, and the other end of the nursery stock 1 is locked to form the fixing ring 6 after being clasped.
In order to slow down the washing of water flow to the nursery stock 1, avoid the water carrying silt to impact the nursery stock 1 and damage the nursery stock 1, and improve the survival rate of the nursery stock 1, the wicker fence 7 is arranged between the adjacent fixing piles 2, the wicker fence 7 is environment-friendly, can play a role in blocking water and silt, and can be fixed on the fixing piles 2 by adopting a field weaving method.
In order to prevent water flow from scouring the soil around the nursery stock 1 and avoid soil and fertility loss, the hydro-fluctuation belt 3 between the fixing pile 2 and the nursery stock 1 is provided with a geotextile 8, and the geotextile with water permeability is recommended to be used.
In order to enable water to continuously nourish the nursery stocks, a gap exists between the geotextile 8 and the nursery stocks 1, if no gap exists, water or rainwater in the reservoir cannot penetrate into the ecological concrete 1 in a large amount due to the blocking of the geotextile, so that the water or the rainwater cannot reach the roots of the nursery stocks 1, and the water or the rainwater in the reservoir can penetrate into the ecological concrete 4 through the gap.
In order to make the ecological concrete 4 and the hydro-fluctuation belt 3 be combined more closely and to form richer vegetation on the hydro-fluctuation belt 3, the ecological concrete 4 is mixed with grass seeds, and the ecological concrete 4 mixed with the grass seeds is called grass seed ecological concrete. After the grass seeds germinate and grow, the roots of part of the grass are simultaneously positioned on the ecological concrete 4 and the hydro-fluctuation belt 3, so that the ecological concrete 4 is connected with the hydro-fluctuation belt 3, the ecological concrete 4 is more tightly combined with the hydro-fluctuation belt 3, and the nursery stock 1 is more firmly fixed in the hydro-fluctuation belt 3.
For the hydro-fluctuation belt seedling fixing structure, a convenient and quick construction method is provided, and the construction method comprises the following steps:
A. excavating planting holes 301 with circular, square or triangular horizontal sections on the hydro-fluctuation belt 3;
B. preparing ecological concrete 4, wherein the ecological concrete 4 is prepared by mixing light loam, cement, organic matters and a water-retaining agent;
C. sleeving the trunk of the nursery stock 1 into a fixing ring 6, enabling the inner ring of the fixing ring 6 to be in interference fit with the trunk of the nursery stock 1, placing the root of the nursery stock 1 into a planting hole 301, and righting the nursery stock 1 to enable the trunk of the nursery stock 1 to be vertical to the horizontal plane;
D. filling the prepared ecological concrete 4 into the planting hole 301 until the ecological concrete 4 buries the root of the nursery stock 1 and fixes the nursery stock 1;
E. at least three fixing piles 2 are fixed on the hydro-fluctuation belt 3 around the planting hole 301, the nursery stock 1 is enclosed in the fixing piles 2, one end of a fixing rod 5 is arranged at the top of the fixing pile 2, and the other end of the fixing rod 5 is fixedly connected with a fixing ring 6.
In order to slow down the washing of water flow to the nursery stock 1 and avoid the water carrying silt to impact the nursery stock 1 and damage the nursery stock 1, wicker fences 7 are woven among the fixing piles 2.
In order to prevent water flow from washing the soil around the nursery stock 1 and avoid soil and fertility loss, the geotechnical cloth 8 is laid on the hydro-fluctuation belt 3 between the fixing pile 2 and the trunk of the nursery stock 1, and the geotechnical cloth 8 is folded downwards and buried or pressed by pebbles.
In order to enable water to smoothly permeate into the ecological concrete 4, when the geotextile 8 is laid, a certain gap is reserved between the geotextile 8 and the trunk of the seedling 1, and the distance between the geotextile 8 and the trunk of the seedling 1 is not less than half of the distance from the trunk of the seedling 1 to the edge of the planting hole 301.
In order to enable the ecological concrete 4 and the hydro-fluctuation belt 3 to be combined more tightly, when the ecological concrete 4 is prepared in the step B, bermuda grass and vetiver grass seeds are mixed in the ecological concrete 4, wherein the grass seeds are 50-100 g/m2。
Claims (4)
1. Hydro-fluctuation belt nursery stock fixed knot constructs, its characterized in that: including falling area (3), nursery stock (1), spud pile (2), dead lever (5) and solid fixed ring (6), be equipped with plant hole (301) on falling area (3), the root of nursery stock (1) is placed in planting the hole, it has ecological concrete (4) that can bury nursery stock (1) root and fix to fill in planting hole (301), be fixed with at least three spud pile (2) around planting hole (301), the top of every spud pile (2) and the one end fixed connection of a dead lever (5), the other end and solid fixed ring (6) fixed connection of dead lever (5), the inner ring interference fit of nursery stock (1) and solid fixed ring (6).
2. The hydro-fluctuation belt seedling fixing structure of claim 1, wherein: wicker fences (7) are arranged between the adjacent fixed piles (2).
3. The hydro-fluctuation belt seedling fixing structure of claim 1, wherein: the hydro-fluctuation belt (3) between the fixed pile (2) and the nursery stock (1) is provided with geotextile (8).
4. The hydro-fluctuation belt nursery stock fixing structure of claim 3, wherein: gaps are reserved between the geotextile (8) and the nursery stocks (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680494.8U CN216254385U (en) | 2021-04-02 | 2021-04-02 | Hydro-fluctuation belt nursery stock fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680494.8U CN216254385U (en) | 2021-04-02 | 2021-04-02 | Hydro-fluctuation belt nursery stock fixing structure |
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| Publication Number | Publication Date |
|---|---|
| CN216254385U true CN216254385U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120680494.8U Active CN216254385U (en) | 2021-04-02 | 2021-04-02 | Hydro-fluctuation belt nursery stock fixing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112913631A (en) * | 2021-04-02 | 2021-06-08 | 中国电建集团成都勘测设计研究院有限公司 | Hydro-fluctuation belt seedling fixing structure and construction method thereof |
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2021
- 2021-04-02 CN CN202120680494.8U patent/CN216254385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112913631A (en) * | 2021-04-02 | 2021-06-08 | 中国电建集团成都勘测设计研究院有限公司 | Hydro-fluctuation belt seedling fixing structure and construction method thereof |
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