CN211080117U - Drainage ditch slope protection - Google Patents
Drainage ditch slope protection Download PDFInfo
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- CN211080117U CN211080117U CN201921726698.XU CN201921726698U CN211080117U CN 211080117 U CN211080117 U CN 211080117U CN 201921726698 U CN201921726698 U CN 201921726698U CN 211080117 U CN211080117 U CN 211080117U
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Abstract
The utility model discloses a escape canal bank protection includes factory style of calligraphy protection part and slope protection part, and factory style of calligraphy protection part is located the top of slope protection part, and the vertical height that highly is greater than the drainage water level of slope protection part, slope protection part includes sand cushion layer, metalling layer, lump stone layer, covers and moulds metal mesh layer, second protection stock. The escape canal bank protection, be fit for at soft soil property, high ground water level, strong frost heaving area build, through the combination of sand cushion layer, metalling and lump stone layer, can effectually reduce the frost heaving force, not only can prevent that the frost heaving of bank protection warp destruction, prevent soil loss and the construction is simple, the cost is lower.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field especially relates to a escape canal bank protection suitable for soft soil property, strong frost heaving area.
Background
The water resources in China are not uniformly distributed in time and space, and the phenomena of less east-west, more south-north, more summer-autumn and less spring-winter appear. A large number of water delivery irrigation channels and drainage channels are built for developing agriculture and production and living. The drainage ditch can be divided into discharge of domestic sewage meeting the discharge standard, discharge of redundant rainfall and the like according to functions. The common form of the drainage ditch slope protection at present is concrete lining or stone cage laying and the like, the concrete lining can prevent soil from being washed away, but no matter the drainage ditch or the drainage ditch, in a strong frost heaving area, the frost heaving phenomenon at the position which is far away from the bottom of the ditch or the 1/3 of the bottom of the ditch is obvious, and a concrete slab cracks and swells to fall off, so that the normal operation is influenced; although the construction of the stone cage revetment is convenient, in the soft soil area, the soil is seriously washed, the ditch is blocked, and great manpower and financial resources are required to be invested for maintenance.
Disclosure of Invention
In view of the above, there is a need for a drainage ditch slope protection which can effectively solve the problems of loose soil, easy soil loss of the drainage ditch slope protection in the severe frost heaving area and frost heaving.
A drainage ditch slope protection comprises a factory-shaped protection part and an inclined protection part, wherein the factory-shaped protection part is positioned above the inclined protection part, the vertical height of the inclined protection part is greater than the highest height of a drainage water level, the plant-shaped protection part comprises a three-dimensional geotechnical mesh layer, a nutrient soil layer and a first protection anchor rod, the three-dimensional geotechnical mesh layer and the nutrient soil layer are sequentially and horizontally laid from bottom to top, the first protection anchor rod sequentially penetrates through the nutrient soil layer and the three-dimensional geotechnical mesh layer from top to bottom and is fixed in soil below the three-dimensional geotechnical mesh, the inclined protection part comprises a sand cushion layer, a crushed stone layer, a block stone layer, a plastic-coated metal mesh layer and a second protection anchor rod, the sand cushion layer, the gravel layer, the block stone layer and the plastic-coated metal net layer are sequentially laid in an inclined mode from bottom to top, and the second protective anchor rod sequentially penetrates through the plastic-coated metal net layer, the block stone layer, the gravel layer and the sand cushion layer from top to bottom and is fixed in soil below the sand cushion layer.
Preferably, the first protective anchor rod or the second protective anchor rod comprises an anchor rod body, an anchor rod tip part and a tray, wherein an annular flange is arranged at the upper end of the anchor rod body, the lower end of the anchor rod body is connected with the anchor rod tip part, the anchor rod tip part is a solid body, the tray is sleeved on the anchor rod body and is positioned below the annular flange, the anchor rod body is a hollow body, a reverse wedge is further arranged on the anchor rod body, and a slurry leakage hole is formed in the reverse wedge so as to facilitate slurry pouring; the anchor rod body and the anchor rod point portion are provided with zinc coatings to prevent the anchor rod body and the anchor rod point portion from being corroded.
Preferably, the first protective anchor rod and the three-dimensional geotechnical mesh layer are bound through steel wires, the binding position is arranged at the lower part of the tray, a concrete column cap is poured at the upper end of the first protective anchor rod, and the annular flange, the tray and the three-dimensional geotechnical mesh layer node bound with the anchor rod body are completely wrapped by the concrete column cap; the second protective anchor rod and the plastic-coated metal net layer are bound through steel wires, the binding position is arranged on the lower portion of the tray, a concrete column cap is poured at the upper end of the second protective anchor rod, and the annular flange, the tray and the plastic-coated metal net layer node bound together with the anchor rod body are completely wrapped by the concrete column cap.
Preferably, the plastic-coated metal mesh layer is lapped with the three-dimensional geotechnical mesh layer, the three-dimensional geotechnical mesh layer is located below the plastic-coated metal mesh layer at the lapping position of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer, and the lapping length of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer is not less than the caliber of the plastic-coated metal mesh layer.
Preferably, a plurality of second protection anchor rods are linearly distributed at the lap joint of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer, the first protection anchor rods on the factory-shaped protection part are distributed in a quincunx shape, and the second protection anchor rods on the inclined protection part are distributed in a quincunx shape.
Preferably, the particle size of the stone blocks of the stone block layer is larger than the caliber of the plastic-coated metal mesh layer so as to prevent the stone blocks from leaking out.
Preferably, the thickness of the nutrition soil layer is 10-15 cm, and a herbaceous plant layer is arranged on the nutrition soil layer.
Has the advantages that: the utility model discloses a escape canal bank protection includes factory style of calligraphy protection part and slope protection part, and factory style of calligraphy protection part is located the top of slope protection part, and the vertical height that highly is greater than the drainage water level of slope protection part, slope protection part includes sand cushion layer, metalling layer, lump stone layer, covers and moulds metal mesh layer, second protection stock. The escape canal bank protection, be fit for at soft soil property, high ground water level, strong frost heaving area build, through the combination of sand cushion layer, metalling and lump stone layer, can effectually reduce the frost heaving force, not only can prevent that the frost heaving of bank protection warp destruction, prevent soil loss and the construction is simple, the cost is lower.
Drawings
Fig. 1 is the utility model discloses a structure schematic diagram of escape canal bank protection.
Fig. 2 is the utility model discloses a structure schematic diagram of factory style of calligraphy protection part of escape canal bank protection.
Fig. 3 is the utility model discloses a structure schematic diagram of the slope guard part of escape canal bank protection.
Fig. 4 is the utility model discloses a first protection stock or the structure schematic diagram of second protection stock of escape canal bank protection.
Fig. 5 is the utility model discloses a first protection stock or the installation schematic diagram of second protection stock of escape canal bank protection.
Fig. 6 is the utility model discloses a distribution of second protection stock of escape canal bank protection.
In the figure: the drainage ditch bank protection 10, factory style of calligraphy protection portion 20, three-dimensional geotechnological stratum reticulare 201, nutrition soil layer 202, first protection stock 203, slope protection portion 30, sand cushion layer 301, rubble layer 302, lump stone layer 303, cover and mould metal mesh layer 304, second protection stock 305, stock body 3051, annular flange 30511, wedge 30512, stock point portion 3052, tray 3053, concrete column 3054.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 5, a drainage ditch slope protection 10 includes a factory-shaped protection part 20 and an inclined protection part 30, the factory-shaped protection part 20 is located above the inclined protection part 30, the vertical height of the inclined protection part 30 is greater than the highest height of a drainage water level, the factory-shaped protection part 20 includes a three-dimensional geotechnical net layer 201, a nutrient soil layer 202 and a first protection anchor rod 203, the three-dimensional geotechnical net layer 201 and the nutrient soil layer 202 are horizontally laid from bottom to top in sequence, the first protection anchor rod 203 sequentially penetrates through the nutrient soil layer 202 and the three-dimensional geotechnical net layer 201 from top to bottom and is fixed in soil below the three-dimensional geotechnical net, the inclined protection part 30 includes a sand cushion layer 301, a gravel layer 302, a block stone layer 303, a plastic-coated metal net layer 304 and a second protection anchor rod 305, the sand cushion layer 301, the gravel layer 302, the block stone layer 303 and the plastic-coated metal net layer 304 are obliquely, The rock block layer 303, the gravel layer 302 and the sand cushion layer 301 are fixed in the soil below the sand cushion layer 301.
The vertical height of the inclined guard 30 is the bed height of the inclined guard 30. The bed course elevation is greater than the drainage water level, can prevent that bank protection upper portion directly suffers washing away of rivers for three-dimensional geotechnological net upper portion's nutrition soil layer 202 and the soil of lower part rush into the escape canal, cause bank protection unstability and channel siltation. The anchor rod mainly plays a role in reinforcement; the annular rib 30511 mainly serves to prevent the tray 3053 from falling off. The effect that sand cushion layer 301, rubble layer 302 and rock block layer 303 combine mainly reduces the confined force of the frost heaving deformation to the soil body for cutting down the frost heaving power, lays rubble layer 302, sand cushion layer 301 in the lower part of rock block layer 303 simultaneously, can prevent that soil from receiving the rivers to erode, and then prevents that soil from dashing into the escape canal. The plastic-coated metal net is subjected to plastic coating treatment on the metal surface layer, so that the corrosion of metal in the engineering operation process can be prevented, the service life is prolonged, and the later maintenance cost is reduced.
Further, the first protective anchor rod 203 or the second protective anchor rod 305 comprises an anchor rod body 3051, an anchor rod tip portion 3052 and a tray 3053, wherein an annular flange 30511 is arranged at the upper end of the anchor rod body 3051, the lower end of the anchor rod body 3051 is connected with the anchor rod tip portion 3052, the anchor rod tip portion 3052 is a solid body, the tray 3053 is sleeved on the anchor rod body 3051 and is located below the annular flange 30511, the anchor rod body 3051 is a hollow body, a reverse wedge 30512 is further arranged on the anchor rod body 3051, and a grout leakage hole is formed in the reverse wedge 30512 so as to conveniently pour grout; the anchor rod body 3051 and the anchor rod tip portion 3052 are provided with a zinc coating to prevent the anchor rod body 3051 and the anchor rod tip portion 3052 from being corroded.
The stock adopts the inverted wedge stock, and inverted wedge 30512 department has arranged hourglass thick liquid hole, when just inserting the stock, and inverted wedge 30512 hugs closely the stock, reduces the resistance, and when the stock inserted underground length and satisfied the requirement, through the mode of high-pressure slip casting, the slurry makes inverted wedge 30512 pressurized outwards expand from leaking the thick liquid hole and dashing out, and the resistance of increase stock and contact surface prevents that the stock from being extracted, can prevent that the stock inner wall from corroding after the slurry solidifies.
Further, the first protective anchor rod 203 and the three-dimensional geotechnical mesh layer 201 are bound through a steel wire, the binding position is arranged at the lower part of the tray 3053, a concrete column cap 3054 is poured at the upper end of the first protective anchor rod 203, and the annular flange 30511, the tray 3053 and the three-dimensional geotechnical mesh layer 201 node bound with the anchor rod body 3051 are completely wrapped by the concrete column cap 3054; the second protective anchor rod 305 and the plastic-coated metal mesh layer 304 are bound through steel wires, the binding position is arranged at the lower part of the tray 3053, a concrete column head 3054 is poured at the upper end of the second protective anchor rod 305, and the annular flange 30511, the tray 3053 and the plastic-coated metal mesh layer 304 node bound with the anchor rod body 3051 are completely wrapped by the concrete column head 3054.
The concrete column cap 3054 is poured after the anchor rod is grouted, and mainly has the functions of preventing the annular flange 30511 and the tray 3053 from being rusted, preventing the plastic-coated metal mesh layer 304 and the three-dimensional geotechnical mesh layer 201 from moving and fixing
Further, the plastic-coated metal mesh layer 304 is overlapped with the three-dimensional geotechnical mesh layer 201, the three-dimensional geotechnical mesh layer is located below the plastic-coated metal mesh layer 304 at the overlapping position of the plastic-coated metal mesh layer 304 and the three-dimensional geotechnical mesh layer 201, and the overlapping length of the plastic-coated metal mesh layer 304 and the three-dimensional geotechnical mesh layer 201 is not smaller than the caliber of the plastic-coated metal mesh layer 304.
Further, referring to fig. 6, a plurality of second protection anchor rods 305 are linearly distributed at the overlapping position of the plastic coated metal mesh layer 304 and the three-dimensional geotechnical mesh layer 201, the first protection anchor rods 203 on the plant-shaped protection portion 20 are distributed in a quincunx shape, and the second protection anchor rods 305 on the inclined protection portion 30 are distributed in a quincunx shape.
At cover and mould metal mesh and three-dimensional geotechnological net overlap joint department, the stock single row is arranged comparatively closely for cover and mould metal mesh and three-dimensional geotechnological net can fix tightly, all the other positions, the arrangement mode of stock is the quincunx, when saving the stock, can play fine fixed action.
Furthermore, the particle size of the stone blocks of the stone block layer 303 is larger than the caliber of the plastic-coated metal mesh layer 304, so as to prevent the stone blocks from leaking out.
Further, the thickness of the nutrition soil layer 202 is 10-15 cm, and a herbaceous plant layer is arranged on the nutrition soil layer 202.
In a preferred embodiment, a nutrient soil layer 202 is laid on the three-dimensional geotechnical mesh layer 201, the nutrient soil layer 202 is nutrient soil rich in organic matters, on one hand, gaps of the three-dimensional geotechnical mesh are filled, on the other hand, the growth of herbaceous plants in the initial stage of engineering operation is facilitated, meanwhile, the three-dimensional geotechnical mesh is prevented from being directly contacted with the sun, the thickness of the soil layer is 10cm, grass seeds are laid manually, the rapid greening of the surface layer of the slope protection is accelerated, the selected grass seeds are pasture plants with drought resistance, such as alfalfa and the like, and the grass seeds can be used as livestock feed while the slope.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a escape canal bank protection which characterized in that: comprises a factory-shaped protection part and an inclined protection part, wherein the factory-shaped protection part is positioned above the inclined protection part, the vertical height of the inclined protection part is greater than the highest height of a drainage water level, the plant-shaped protection part comprises a three-dimensional geotechnical mesh layer, a nutrient soil layer and a first protection anchor rod, the three-dimensional geotechnical mesh layer and the nutrient soil layer are sequentially and horizontally laid from bottom to top, the first protection anchor rod sequentially penetrates through the nutrient soil layer and the three-dimensional geotechnical mesh layer from top to bottom and is fixed in soil below the three-dimensional geotechnical mesh, the inclined protection part comprises a sand cushion layer, a crushed stone layer, a block stone layer, a plastic-coated metal mesh layer and a second protection anchor rod, the sand cushion layer, the gravel layer, the block stone layer and the plastic-coated metal net layer are sequentially laid in an inclined mode from bottom to top, and the second protective anchor rod sequentially penetrates through the plastic-coated metal net layer, the block stone layer, the gravel layer and the sand cushion layer from top to bottom and is fixed in soil below the sand cushion layer.
2. The drainage ditch slope protection of claim 1, wherein: the first protective anchor rod or the second protective anchor rod comprises an anchor rod body, an anchor rod tip part and a tray, wherein an annular flange is arranged at the upper end of the anchor rod body, the lower end of the anchor rod body is connected with the anchor rod tip part, the anchor rod tip part is a solid body, the tray is sleeved on the anchor rod body and is positioned below the annular flange, the anchor rod body is a hollow body, a reverse wedge is further arranged on the anchor rod body, and a slurry leakage hole is formed in the reverse wedge so as to facilitate slurry pouring; the anchor rod body and the anchor rod point portion are provided with zinc coatings to prevent the anchor rod body and the anchor rod point portion from being corroded.
3. The drainage ditch slope protection of claim 2, wherein: the first protective anchor rod and the three-dimensional geotechnical mesh layer are bound through steel wires, the binding position is arranged at the lower part of the tray, a concrete column cap is poured at the upper end of the first protective anchor rod, and the annular flange, the tray and the three-dimensional geotechnical mesh layer node bound with the anchor rod body are completely wrapped by the concrete column cap; the second protective anchor rod and the plastic-coated metal net layer are bound through steel wires, the binding position is arranged on the lower portion of the tray, a concrete column cap is poured at the upper end of the second protective anchor rod, and the annular flange, the tray and the plastic-coated metal net layer node bound together with the anchor rod body are completely wrapped by the concrete column cap.
4. The drainage ditch slope protection of claim 3, wherein: the plastic-coated metal mesh layer is lapped with the three-dimensional geotechnical mesh layer, the three-dimensional geotechnical mesh layer is positioned below the plastic-coated metal mesh layer at the lapping position of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer, and the lapping length of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer is not less than the caliber of the plastic-coated metal mesh layer.
5. The drainage ditch slope protection of claim 4, wherein: a plurality of second protection anchor rods are linearly distributed at the lap joint of the plastic-coated metal mesh layer and the three-dimensional geotechnical mesh layer, the first protection anchor rods on the factory-shaped protection part are distributed in a quincunx shape, and the second protection anchor rods on the inclined protection part are distributed in a quincunx shape.
6. The drainage ditch slope protection of claim 1, wherein: the particle size of the stone blocks of the stone block layer is larger than the caliber of the plastic-coated metal net layer so as to prevent the stone blocks from leaking.
7. The drainage ditch slope protection of claim 1, wherein: the thickness of the nutrition soil layer is 10-15 cm, and a herbaceous plant layer is arranged on the nutrition soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726698.XU CN211080117U (en) | 2019-10-15 | 2019-10-15 | Drainage ditch slope protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726698.XU CN211080117U (en) | 2019-10-15 | 2019-10-15 | Drainage ditch slope protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211080117U true CN211080117U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921726698.XU Active CN211080117U (en) | 2019-10-15 | 2019-10-15 | Drainage ditch slope protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211080117U (en) |
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2019
- 2019-10-15 CN CN201921726698.XU patent/CN211080117U/en active Active
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