CN210561988U - A willow row revetment structure for erosion gully is administered - Google Patents
A willow row revetment structure for erosion gully is administered Download PDFInfo
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- CN210561988U CN210561988U CN201921333457.9U CN201921333457U CN210561988U CN 210561988 U CN210561988 U CN 210561988U CN 201921333457 U CN201921333457 U CN 201921333457U CN 210561988 U CN210561988 U CN 210561988U
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Abstract
A willow row revetment structure for erosion gully control comprises a plurality of willow piles, a plurality of transverse willow branches, a plurality of longitudinal willow tips and iron wires, and is characterized in that pile burying positions are determined according to measurement and paying-off, the plurality of willow piles are fixedly buried in the pile burying positions in two rows respectively, the plurality of willow piles in the two rows are fixedly connected in a winding mode according to the shape of '8', the plurality of transverse willow branches are horizontally paved between the lower portions of the plurality of willow piles respectively, the plurality of transverse willow branches are fixedly connected with the plurality of willow piles through the iron wires respectively, the plurality of longitudinal willow tips are vertically arranged between the plurality of willow piles in the two rows respectively, the plurality of willow piles are fixedly connected with the plurality of willow piles through the iron wires respectively, and soil filling is arranged between the plurality of willow piles in the two rows and between the plurality of willow piles and the. The utility model discloses compare with traditional gabion shore protection, have advantages such as the cost is low, easy construction, ecological benefits are good, are suitable for narrow small-size erosion gully shore protection to administer.
Description
Technical Field
The utility model relates to a soil erosion and water erosion ditch administers the field, especially a bank revetment structural design is arranged to willow for slope arable land erosion ditch administers.
Background
The black soil area slope farmland has large topographic relief, slow gradient, long slope, poor soil corrosion resistance and concentrated rainfall, and the dispersed surface runoff is gradually concentrated due to the influence of the topography to form water flow of a fixed line, intensively scours the surface, cuts into the ground and takes away the soil, finally forms an erosion gully and serves as a fixed water channel to discharge slope runoff. At the initial stage of the development of the erosion gully, the bank slopes on two sides are steeper, under the condition of water flow scouring, the gully bottom is continuously cut down, the gully bank collapses and rapidly expands towards two sides, soil is transported along with runoff, the scouring amount is larger than the siltation amount, and a large amount of silt is discharged. The erosion gully has huge harm, on one hand, damages cultivated land and grains to reduce yield, and on the other hand, damages ecological environment and silts down the downstream river. Therefore, only by solving the problem of water and soil loss of the erosion gully, the cultivated land and the ecological environment can be protected, and further, the occurrence of related natural disasters can be avoided.
The existing water and soil conservation measures for channel treatment are mainly applied to check houses, but are not suitable for shallow and narrow water channel erosion ditches. Referring to the river channel treatment method, the main method for treating the water channel erosion gully at the present stage is to build gabion walls along two sides of a river bank so as to prevent water flow from scouring a bank slope. However, the gabion revetment has high investment and poor ecological benefit, and most importantly, the gabion revetment occupies a large area, has the width of 0.8-1.0 m on one side and the land occupation width of 1.6-2.0 m on both sides, is not suitable for implementation in narrow and small erosion ditches, and is particularly suitable for ditches with the width less than 2 m.
In view of this, we developed a willow bank protection technology for erosion gully treatment with small investment, stable protection effect, long service life and good ecological benefit, and proposed the application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a bank revetment structure is arranged to willow for erosion gully is administered, full play soil and water keep ecological benefits when aiming at administering the erosion gully. Traditional gabion revetment adopts the mode of building the gabion wall to prevent to cause bank slope to collapse because of the rivers scouring action. In view of this principle, the utility model discloses a gabion engineering that traditional revetment was replaced to willow stake "reinforced wall".
A willow row revetment structure for erosion gully control comprises a plurality of willow piles, a plurality of transverse willow branches, a plurality of longitudinal willow tips and iron wires, and is characterized in that pile burying positions are determined according to measurement and paying-off, the plurality of willow piles are fixedly buried in the pile burying positions in two rows respectively, the plurality of willow piles in the two rows are fixedly connected in a winding mode according to the shape of '8', the plurality of transverse willow branches are horizontally paved between the lower portions of the plurality of willow piles respectively, the plurality of transverse willow branches are fixedly connected with the plurality of willow piles through the iron wires respectively, the plurality of longitudinal willow tips are vertically arranged between the plurality of willow piles in the two rows respectively, the plurality of willow piles are fixedly connected with the plurality of willow piles through the iron wires respectively, and soil filling is arranged between the plurality of willow piles in the two rows and between the plurality of willow piles and the.
The willow stumps, the willow branches and the willow tips are all standing trees, the length of the willow stumps is 1.0-1.2 m, the diameter of the willow stumps is 5-8 cm, and the length of the willow branches is 90cm and the diameter of the willow branches is about 2 cm.
The buried depth of the willow piles is 0.5m, and the distance between two rows of willow piles is 0.2 m; a plurality of transverse willow branches are inserted into the wall body to a depth of 30 cm; and 3-5 layers of willows are paved, wherein the thickness of each layer of the plurality of longitudinal willow tips is 10 cm.
In order to ensure that the inserted stems survive, the inserted stems are perpendicular to a horizontal plane during planting, so that the outer skins are not scratched, bud eyes are protected, and the direction of the bud eyes is upward; and the top notches of the willow stumps are painted with red paint to prevent water from evaporating.
The utility model discloses beneficial effect after implementing is: the two rows of movable willow stumps clamp the bundle of the movable willow tips to form a protective wall. After spring, the willow tips and the willow stumps grow, and a stable protective body is formed after the branches are crossed, so that the expansion of the ditch and the bank is prevented; the new branches germinated and grown from the horizontally laid willow branches can transversely block water, slow down the water flow speed and prevent the channels from being cut downwards; the ecological benefit takes effect quickly and the effect is obvious.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a side view of an embodiment of the present invention.
Detailed Description
A willow row revetment structure for erosion gully control comprises a plurality of willow piles 2, a plurality of transverse willow branches 3, a plurality of longitudinal willow tips 4 and iron wires 6, and is characterized in that pile burying positions 1 are determined according to measurement and paying-off, the plurality of willow piles 2 are fixedly buried in the pile burying positions 1 in two rows respectively, the two rows of the plurality of willow piles 2 are fixedly connected in a winding mode according to the shape of a '8' through the iron wires 6 respectively, the plurality of transverse willow branches 3 are respectively and transversely paved among the lower portions of the plurality of willow piles 2, the plurality of transverse willow branches 3 are respectively and fixedly connected with the plurality of willow piles 2 through the iron wires 6, the plurality of longitudinal willow tips 4 are respectively and longitudinally arranged up and down between the two rows of the plurality of willow piles 2 and are respectively and fixedly connected with the plurality of willow piles 2 through the iron wires 6, and soil filling 5 are respectively arranged between the two rows of the plurality of willow piles 2 and between.
The following is a technical structural scheme for operation in the detailed example:
1. slope cutting and shaping: and carrying out slope cutting and shaping before the channel is shaped. The purpose of slope cutting and shaping is to arrange all measures in the erosion gully better, and simultaneously the purpose of slope cutting and shaping is to reduce borrowing earthwork outside, so that the management of all erosion gullies reaches earthwork balance. The slope cutting objects are high and steep slopes and slopes with potential safety hazards, so that the stable slopes only need to be properly trimmed for convenience of construction, and the slopes which do not influence the construction are not cut;
and original shrubs or trees are kept during slope cutting, and the slope cutting angle is 35-45 degrees. The surface soil should be piled up intensively to prepare for the next procedure.
2. Pile burying: according to the depth of the ditch, the willow row revetment is divided into two modes, namely a high-pile willow row and a low-pile willow row, the low-pile willow row with the ditch depth of the upstream of the ditch less than 0.5m is selected, and the high-pile willow row with the ditch depth of the middle and downstream more than 0.5m is selected. After the side slope is processed, the measurement and the setting are carried out, and the pile burying position 1 is determined. And (3) driving a plurality of willow piles 2 into two rows along the groove slope after slope cutting and the groove bottom line, wherein the row distance is 0.2m, and the pile distance is 0.5 m. Selecting live standing trees with strong growth capacity from the plurality of willow piles 2, wherein the length of the high willow piles is 1.2m (the length of the low willow piles is 1.0 m), the diameter of the high willow piles is 5-8 cm, and the willow piles are driven into the soil by 50 cm;
in order to prevent unnecessary damage to the willow piles 2 when the piles are buried at hard soil parts of the project area, the piles are buried after holes are punched at the positions where the piles need to be buried by tools such as iron rods. A plurality of willow stake 2 are along with the curved tendency of taking the place of, smooth-going connection, make rivers steadily pass through according to original waterline.
3. Spreading willow branches (tips): as shown in figure 3, a plurality of transverse willow branches 3 are transversely paved along the bottom of the ditch, the diameter of each transverse willow branch 3 is 2cm, the length of each transverse willow branch is about 90cm, the small end of each transverse willow branch is arranged outside the corresponding transverse willow branch, and the length of each transverse willow branch is not less than 30cm after the large end of each transverse willow branch is embedded into the. The willow branches are flatly paved among the plurality of willow piles 2 one by one, and the small ends of the plurality of transverse willow branches 3 are tightly attached to the soil at the bottom of the ditch and point to the center line of the ditch. Under the condition of sufficient water conditions in spring, a plurality of transverse willow branches 3 can germinate, and new branches can transversely block water, slow down the water flow speed and prevent and control scouring of the ditch bottom;
a layer of longitudinal willow tips 4 which are about 10cm thick is longitudinally paved on the inner side of the willow rows (the longitudinal direction is along the ditch direction), the height of the high-pile willow rows is 50cm (the height of the low-pile willow rows is 30 cm), a plurality of longitudinal willow tips 4 are two-year-old willow tips with strong growing power, and if a plurality of longitudinal willow tips 4 are mostly bound firmly by 8# iron wires 6, the fact that the filling 5 cannot be extruded out from gaps of the willow tips 4 is guaranteed. After a plurality of longitudinal willow tips 4 are laid, two rows of front and rear willow piles 2 are bound together by 8# iron wires 6 and are wound and fixed in a 8' shape; preventing the front row of the plurality of willow stumps 2 from inclining inwards.
4. Filling soil: after the plurality of longitudinal willow tips 4 are paved, soil 5 is backfilled at the rear parts of the plurality of willow piles 2 and compacted, 10cm of surface soil is covered at the top parts, and the plurality of willow piles 2 are exposed by about 20 cm. And the top of the willow stump 2 is cut, and red paint is brushed to prevent moisture from evaporating. The back side of the back willow row is filled with soil and compacted, so that the stability of the whole willow row wall is ensured;
the survival rate of the plurality of willow stumps 2 and the plurality of longitudinal willow tips 4 in spring of the second year is more than 95%, the water content is sufficient when the willow stumps and the longitudinal willow tips enter the rainy season, the growth is accelerated, and the protection effect is obvious;
in order to ensure that the plurality of willow stumps 2 are inserted and survived, the transplanting needs to be carried out with the inserted trunks vertical to the horizontal plane, so that the outer skins are not scratched, the bud holes are protected, and the direction is ensured to be upward. The method is suitable for construction in spring and autumn, and the channel in the spring has no water flow in the spring and is convenient for construction. But at the moment, the soil moisture content is poor, and proper watering is needed.
5. Spring management and protection: in the first spring after engineering construction, the channel section with dry soil layers needs to be watered, and the survival rate of the plurality of willow piles 2 and the plurality of transverse willow branches 3 is ensured. Before summer, a plurality of willow piles 2 with good growth vigor need to be cut off to bind iron wires 6, and the iron wires 6 are prevented from tightening the willow piles 2 to block the growth of the willow piles 2. The current-year survival rate of the plurality of willow stumps 2 and the plurality of longitudinal willow tips 4 is not less than 80 percent, two or more than two continuous dry stumps cannot exist, and at least one willow stump 2 in the front row and the rear row needs to survive. And (5) for willow rows which cannot meet the requirements, pile replacement is carried out in spring.
And (3) effect analysis: according to the survey results of the implemented projects, the survival rate of the willow row revetment plants reaches 98%, the parts with large water flows are washed away, and the preservation rate reaches 99%. Through preliminary monitoring, except for the damaged part, the two banks of the channel have no collapse and washout phenomena, the willow row protection effect is obvious, and the washout of the channel bottom is slowed down by a plurality of transverse willow branches 3 at the channel bottom. Compare with the gabion revetment that other channels were implemented, the utility model discloses a willow row revetment has reduced investment cost because of the material prices such as willow stake 2, wicker are cheaper than the building stones. The cross section size of the willow row revetment is small, the occupied area is reduced by 60% compared with that of a gabion revetment, the willow row revetment is flexible to construct along with the bending situation, and the construction operation area is reduced. As the willow grows faster, the trunk is thicker, the newly born branches and leaves of the trunk are dense, the root system continuously grows and extends, the protection effect is enhanced year by year, and the ecological benefit is obvious.
TABLE 1 contrast table for gabion revetment and willow row revetment
| Survival rate/storage ratio (%) | Investment (Yuan/m) | The construction is difficult and easy | Occupying width (m) | Ecological benefit | |
| Gabion revetment | -/100 | 450 | Difficulty in | 0.8 | Is free of |
| Willow row revetment | 98/99 | 240 | Easy to use | 0.3 | Good taste |
Claims (4)
1. A willow row revetment structure for erosion gully treatment comprises a plurality of willow piles (2), a plurality of transverse willow branches (3), a plurality of longitudinal willow tips (4) and iron wires (6), the method is characterized in that a pile burying position (1) is determined according to measurement and paying-off, a plurality of willow piles (2) are fixedly buried on the pile burying position (1) in two rows respectively, the plurality of willow piles (2) in the two rows are wound and fixedly connected in an 8' shape respectively through iron wires (6), a plurality of transverse willow branches (3) are transversely paved between the lower parts of the plurality of willow piles (2) respectively, the plurality of transverse willow branches (3) are fixedly connected with the plurality of willow piles (2) respectively through the iron wires (6), a plurality of longitudinal willow tips (4) are longitudinally arranged between the plurality of willow piles (2) in an up-down arrangement mode respectively and are fixedly connected with the plurality of willow piles (2) respectively through the iron wires (6), filling soil (5) is respectively arranged between the two rows of the willow piles (2) and between the willow piles (2) and the ditch bank.
2. The willow row revetment structure for erosion gully treatment according to claim 1, wherein all the willow piles (2), willow branches (3) and willow tips (4) are standing trees, the willow piles (2) are 1.0-1.2 m long and 5-8 cm in diameter, and the willow branches (3) are 90cm long and 2cm in diameter.
3. The willow row revetment structure for erosion gully treatment according to claim 1, wherein the depth of the plurality of willow piles (2) is 0.5m, and the distance between two rows of willow piles (2) is 0.2 m; a plurality of transverse willow branches (3) are inserted into the wall body to a depth of 30 cm; the thickness of each layer of the plurality of longitudinal willow tips (4) is 10cm, and 3-5 layers of willow are paved.
4. The willow row revetment structure for erosion gully control according to claim 1, wherein in order to ensure that a plurality of willow piles (2) are inserted and survived, the inserted trunks are vertical to a horizontal plane during planting, so that the outer skin is not scratched, bud eyes are protected, and the direction of the bud eyes is upward; and the top of the willow stumps (2) is cut, and red paint is brushed to prevent water from evaporating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921333457.9U CN210561988U (en) | 2019-08-16 | 2019-08-16 | A willow row revetment structure for erosion gully is administered |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921333457.9U CN210561988U (en) | 2019-08-16 | 2019-08-16 | A willow row revetment structure for erosion gully is administered |
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| CN210561988U true CN210561988U (en) | 2020-05-19 |
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| CN201921333457.9U Expired - Fee Related CN210561988U (en) | 2019-08-16 | 2019-08-16 | A willow row revetment structure for erosion gully is administered |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396987A (en) * | 2019-08-16 | 2019-11-01 | 王小明 | A kind of willow row's bank protection structure administered for erosion groove |
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2019
- 2019-08-16 CN CN201921333457.9U patent/CN210561988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396987A (en) * | 2019-08-16 | 2019-11-01 | 王小明 | A kind of willow row's bank protection structure administered for erosion groove |
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Granted publication date: 20200519 Termination date: 20210816 |