CN110725278A - Novel river channel ecological slope protection structure and slope protection method thereof - Google Patents
Novel river channel ecological slope protection structure and slope protection method thereof Download PDFInfo
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- CN110725278A CN110725278A CN201910903031.0A CN201910903031A CN110725278A CN 110725278 A CN110725278 A CN 110725278A CN 201910903031 A CN201910903031 A CN 201910903031A CN 110725278 A CN110725278 A CN 110725278A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/129—Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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Abstract
The invention discloses a novel river channel ecological slope protection structure and a slope protection method thereof. The slope protection method comprises the following steps: the method comprises the following steps of river channel slope protection surface cleaning, foundation construction, ecological block processing, ecological block construction, water retaining mechanism dismantling and slope protection maintenance. According to the invention, the connection strength and stability between two adjacent ecological building blocks at the upper part and the lower part or between two adjacent ecological building blocks at the left part and the right part are greatly improved through the anchoring nails, so that the stability of the whole ecological slope protection structure is improved, the protection effect of the slope protection structure is improved, and the water and soil loss caused on the slope protection surface of a river channel is prevented.
Description
Technical Field
The invention relates to a novel river channel ecological slope protection structure and a slope protection method thereof.
Background
The ecological slope protection is a slope protection technology for supporting a slope or a side slope by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology, phytology and the like to form a comprehensive slope protection system consisting of plants or engineering and plants. River course bank protection is mainly in order to prevent soil erosion and water loss, plays the guard action to the environment.
Ecological building block is slope protection structure commonly used in ecological bank protection, and current ecological building block is only simple collection and leans on together, and stability is relatively poor, and the water current impact resistance is relatively poor, and life is short, is unfavorable for the growth of vegetation moreover, and is with high costs during the construction.
Disclosure of Invention
The invention aims to provide a novel river channel ecological slope protection structure and a technical scheme of a slope protection method thereof aiming at the defects in the prior art, the connecting strength and the stability between two adjacent ecological building blocks at the upper part and the lower part or between two adjacent ecological building blocks at the left part and the right part are greatly improved through anchoring nails, so that the stability of the whole ecological slope protection structure is improved, the protection effect of the slope protection structure is improved, and the water and soil loss caused on the slope protection surface of a river channel is prevented.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a novel ecological bank protection structure in river course which characterized in that: the ecological building blocks comprise ecological building blocks and anchoring nails, wherein two ecological building blocks which are adjacent up and down or left and right are fixedly connected through the anchoring nails; the anchor nail has improved joint strength and stability between two adjacent ecological building blocks about or about from top to bottom greatly, and then improves whole ecological slope protection structure's stability, improves slope protection structure's protecting effect, prevents to cause the river course to protect domatic soil erosion and water loss.
Further, ecological block includes the building block monomer, is provided with the T-shaped piece on the free leading flank of building block, and the free top surface rear side of building block is provided with the T-shaped groove, and T-shaped piece and T-shaped groove phase-match through the design in T-shaped piece and T-shaped groove, have not only improved the joint strength and the stability between two building block monomers in the front and back, are convenient for install the location when being under construction moreover, improve the efficiency of construction.
Further, the vertical groove of planting that is provided with on the building block monomer, the planting groove runs through the building block monomer from top to bottom, and the bilateral symmetry of planting the groove is provided with the limbers, plants the groove and can be used to plant the plant, improves the joint strength between building block monomer and the slope protection face soil body, further improves the bank protection effect.
Furthermore, the building block single bodies are provided with inclined planes, second anchoring holes are formed in the inclined planes, the diameters of the second anchoring holes are larger than the diameters of the anchoring nails, the weight of the building block single bodies is reduced due to the design of the inclined planes, attractiveness is enhanced, and the stability and reliability of the connection of the upper building block single body and the lower building block single body are improved due to the second anchoring holes.
Furthermore, wave stripes are arranged on the T-shaped block and the T-shaped groove, and the design of the wave-breaking stripes improves the water flow impact resistance of the single building block, facilitates the connection and positioning between the single building blocks, and improves the construction efficiency.
Further, the symmetry is provided with logical groove on the T-shaped piece, and the free top surface bilateral symmetry of building block is provided with the triangle locating piece, and the triangle locating piece has improved the stability of connecting between two adjacent building block monomers from top to bottom through the design of triangle locating piece and logical groove phase-match with leading to the groove, plays the effect of quick location when the construction, improves the precision of construction.
Further, the free left and right sides of building block is provided with stopper and spacing groove respectively, stopper and spacing groove phase-match, be provided with third anchor hole on the stopper, the spacing inslot is provided with first anchor hole, and first anchor hole slope runs through the free top surface of building block and bottom surface, first anchor hole, the diameter in third anchor hole is greater than the diameter of anchor nail, design through spacing groove and stopper can realize controlling the quick location connection between two adjacent building block monomers, the reuse crosses anchor nail and penetrates first anchor hole and third anchor hole, realize controlling the fixed connection between two adjacent building block monomers.
The slope protection method of the novel river channel ecological slope protection structure is characterized by comprising the following steps:
1) cleaning up river channel slope protection surface
a. Firstly, measuring and lofting a river protection surface needing slope protection, determining a construction position of an ecological block according to a construction area, and marking, so that the efficiency during construction is improved, and the influence on the stability and reliability of the whole protection surface due to deviation during construction of the ecological block is prevented;
b. removing weeds in the construction area, and tamping the construction area by using a tamper to ensure that the slope protection surface of the river channel reaches a set inclination angle, so that the overall stability of the slope protection surface is improved, the ecological building blocks can be completely attached to the slope protection surface, and the water and soil loss is prevented;
2) construction of foundations
a. Firstly, determining the height position of the bottom of a river channel slope protection surface from the water surface and the underwater width of the slope protection surface, selecting a water baffle plate with a proper size, vertically inserting the water baffle plate into the bottom of the river channel, enabling the exposed height of the water baffle plate on the water surface to be more than 30cm, and then sealing the two ends of the slope protection surface by using the water baffle plate, enabling the whole water baffle structure to be in a U shape, enabling the installation of the water baffle plate to be convenient for installation and positioning when ecological building block construction is carried out below the water surface, improving the connection strength of the bottom of the slope protection surface, and enabling the exposed section to prevent water in the river channel from pouring back into the U-shaped structure;
b. then, supporting steel pipes are installed at equal intervals along the inner side surfaces of the water baffles, the water baffles are fixed through the supporting steel pipes, after the construction area with water is sealed, a water pump and a water pipe are installed in the construction area, water in the construction area is pumped out through the water pump, the stability of the installed water baffles is improved through the supporting steel pipes, water in a river channel is prevented from flowing into the construction area when construction is carried out on the bottom of a slope protection surface, and safety is improved;
c. after water on one side of a water baffle inside a river channel is drained, determining the height and width of each layer of stacking position on a slope protection surface according to the laying requirement and the design size of ecological blocks, manually excavating through a shovel, wherein the excavating sequence is performed from bottom to top, the height and width of each layer are ensured to be consistent, and the sludge at the bottom layer is cleaned until the whole slope protection surface is excavated, so that the connection strength of the ecological blocks at the bottom of the slope protection surface is improved, and the reliable connection stability of the ecological blocks at each layer is ensured, thereby enhancing the stability of the whole slope protection surface;
d. finally, selecting proper geotextile according to the size of the slope protection surface, paving the geotextile in the construction area, and fixing the geotextile at the construction area of the slope protection surface by using the anchoring nails, wherein the geotextile can be designed to prevent soil erosion and water loss and improve the survival rate of vegetation;
3) ecological building block processing
a. Manufacturing a corresponding mold according to design requirements, forming required ecological blocks by mold casting molding, wherein the sizes of block monomers of each ecological block are kept consistent, meanwhile, T-shaped blocks and T-shaped grooves on the front side and the rear side of each block monomer are integrally molded, a slope surface is formed between the front side and the top surface of each block monomer, planting grooves are integrally molded on the slope surface, penetrate through the bottoms of the block monomers, and water through holes are symmetrically formed in the left side and the right side of each planting groove;
b. then, two symmetrically arranged triangular positioning blocks are formed on the top surfaces of the single building blocks in a pouring mode, so that the sizes of the triangular positioning blocks are matched with the through grooves in the T-shaped blocks, the stability of connection between an upper ecological building block and a lower ecological building block is improved by the aid of the triangular positioning blocks and the through grooves, a primary positioning effect is achieved, and construction accuracy is improved;
c. then, respectively drilling a first anchoring hole and a second anchoring hole along the top surface and the slope surface of the single block body by using a drilling machine, so that the sizes of the first anchoring hole and the second anchoring hole are matched, and the first anchoring hole and the second anchoring hole improve the connection strength and the stability between two adjacent ecological blocks up and down and left and right;
d. finally, a limiting block is poured along the left side face of the single block body, a third anchoring hole is formed in the limiting block, a limiting groove is formed along the right side face of the single block body, the limiting groove is matched with the limiting block, and the limiting groove and the limiting block are convenient for positioning the two adjacent ecological blocks on the left and right;
4) construction of ecological building blocks
a. Firstly, sequentially laying processed ecological blocks from left to right along the bottom layer of the slope protection surface, covering the ecological blocks on geotextile, and inserting a limiting block on the ecological block on the right side into a limiting groove on the adjacent ecological block on the left side;
b. then laying an upper layer of ecological blocks, when laying the upper layer of ecological blocks, firstly determining a laying scheme of the ecological blocks according to the inclination of a slope protection surface, when the actual inclination angle of the slope protection surface is smaller than a set inclination angle, aligning and stacking the upper layer of ecological blocks and the lower layer of ecological blocks, inserting a T-shaped block on the upper layer of ecological blocks into a T-shaped groove on the lower layer of ecological blocks, fixedly connecting the left ecological blocks and the right ecological blocks through anchoring nails, enabling the anchoring nails to penetrate through a first anchoring hole and a third anchoring hole and be inserted into soil on the slope protection surface, and carrying out stacking construction on each layer according to the sequence until the laying of the construction area of the whole slope protection surface is finished; when the actual inclination angle of the slope protection surface is larger than the set inclination angle, the upper layer of ecological blocks and the lower layer of ecological blocks are overlapped in a staggered mode, the triangular positioning blocks on the lower layer of ecological blocks are clamped into the through grooves in the upper layer of ecological blocks for limiting, meanwhile, the left layer of ecological blocks and the right layer of ecological blocks are fixedly connected through anchoring nails, the anchoring tops are inserted from the second anchoring holes in the upper layer of ecological blocks and penetrate through the first anchoring holes and the third anchoring holes to be fixedly connected with the soil body of the slope protection surface, and each layer of ecological blocks is constructed in an overlapping mode according to the sequence until the whole construction area of the slope protection surface is laid;
c. then plants are planted in the planting grooves on the corresponding ecological building blocks;
5) water retaining mechanism demolition
After the construction of the whole slope protection surface is finished, firstly removing the water baffles on the two sides, then removing the water baffle in the middle, and finally removing the supporting steel pipes in sequence;
6) slope protection maintenance
And inspecting the river protection slope surface every 1 month, and performing maintenance treatment.
The construction method has simple steps and strong practicability, can meet the slope protection construction of different river course slope protection surfaces, has high construction efficiency, shortens the construction period and has obvious effect of preventing water and soil loss.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the anchor nail has improved joint strength and stability between two adjacent ecological building blocks about or about from top to bottom greatly, and then improves whole ecological slope protection structure's stability, improves slope protection structure's protecting effect, prevents to cause the river course to protect domatic soil erosion and water loss.
2. Through the design in T-shaped piece and T-shaped groove, not only improved the joint strength and the stability between two front and back building block monomers, be convenient for install the location when the construction moreover, improve the efficiency of construction.
3. The design of inclined plane has not only alleviateed the free weight of building block, has strengthened the aesthetic property moreover, and stability and reliability when two building block monomers about the second anchor hole has improved are connected.
4. The design of the wave-breaking stripes improves the water flow impact resistance of the single building block bodies, facilitates connection and positioning between the single building block bodies, and improves construction efficiency.
5. The construction method has simple steps and strong practicability, can meet the slope protection construction of different river course slope protection surfaces, has high construction efficiency, shortens the construction period and has obvious effect of preventing water and soil loss.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic view of laying ecological blocks when the actual inclination angle of a slope protection surface is smaller than a set inclination angle in the novel river channel ecological slope protection structure and the slope protection method thereof;
FIG. 2 is a schematic laying diagram of ecological blocks when the actual inclination angle of the slope protection surface is larger than the set inclination angle;
FIG. 3 is a schematic structural diagram of the ecological block of the present invention;
fig. 4 is a top view of fig. 3.
In the figure: 1-ecological building blocks; 2-anchoring nails; 3-building block monomer; 4-planting the groove; 5-a water through hole; 6-T-shaped block; 7-T-shaped grooves; 8-through grooves; 9-a first anchoring hole; 10-a limiting groove; 11-a second anchoring hole; 12-triangular positioning blocks; 13-a limiting block; 14-third anchor hole.
Detailed Description
As shown in fig. 1 to 4, the novel ecological river slope protection structure of the invention comprises ecological blocks 1 and anchoring nails 2, wherein two adjacent ecological blocks 1 are fixedly connected through the anchoring nails 2; through anchor nail 2 improved the joint strength and the stability between adjacent two ecological building blocks 1 about or about from top to bottom greatly, and then improved whole ecological slope protection structure's stability, improved slope protection structure's protecting effect prevents to cause the river course to protect domatic water and soil loss that gets.
Ecological building block 1 includes building block monomer 3, is provided with T-shaped piece 6 on building block monomer 3's the leading flank, and building block monomer 3's top surface rear side is provided with T-shaped groove 7, and T-shaped piece 6 and T-shaped groove 7 phase-match through the design of T-shaped piece 6 and T-shaped groove 7, have not only improved the joint strength and the stability between two building block monomers 3 in the front and back, are convenient for install the location when being under construction moreover, improve the efficiency of construction. Vertical planting groove 4 that is provided with on the building block monomer 3, planting groove 4 runs through building block monomer 3 from top to bottom, and the bilateral symmetry of planting groove 4 is provided with limbers 5, plants groove 4 and can be used for planting the plant, improves the joint strength between the building block monomer 3 and the slope protection face soil body, further improves the bank protection effect. Be provided with the inclined plane on the building block monomer 3, be provided with second anchor hole 11 on the inclined plane, the diameter of second anchor hole 11 is greater than the diameter of anchor nail 2, and the design on inclined plane has not only alleviateed building block monomer 3's weight, has strengthened the aesthetic property moreover, and second anchor hole 11 has improved stability and reliability when two upper and lower building block monomers 3 connect.
Wave stripes are arranged on the T-shaped block 6 and the T-shaped groove 7, and the design of the wave-breaking stripes improves the water flow impact resistance of the single building block bodies 3, facilitates the connection and positioning between the single building block bodies 3, and improves the construction efficiency. The symmetry is provided with logical groove 8 on T-shaped piece 6, and the top surface bilateral symmetry of building block monomer 3 is provided with triangle locating piece 12, and triangle locating piece 12 and logical groove 8 phase-match have improved the stability of connecting between two adjacent building block monomers 3 from top to bottom through the design of triangle locating piece 12 with logical groove 8, play the effect of quick location when the construction, improve the precision of construction.
The left and right sides of building block monomer 3 is provided with stopper 13 and spacing groove 10 respectively, stopper 13 and spacing groove 10 phase-match, be provided with third anchor hole 14 on the stopper 13, be provided with first anchor hole 9 in the spacing groove 10, and first anchor hole 9 slope runs through building block monomer 3's top surface and bottom surface, first anchor hole 9, the diameter of third anchor hole 14 is greater than the diameter of anchor nail 2, can realize controlling the quick location connection between two adjacent building block monomers 3 through the design of spacing groove 10 and stopper 13, reuse anchor nail 2 penetrates first anchor hole 9 and third anchor hole 14, realize controlling the fixed connection between two adjacent building block monomers 3.
The slope protection method of the novel river channel ecological slope protection structure comprises the following steps:
1) cleaning up river channel slope protection surface
a. Firstly, measuring and lofting a river protection surface needing slope protection, determining a construction position of an ecological block 1 according to a construction area, and marking, so that the construction efficiency is improved, and the influence on the stability and reliability of the whole protection surface due to deviation during the construction of the ecological block 1 is prevented;
b. removing weeds in the construction area, and tamping the construction area by using a tamper to ensure that the slope protection surface of the river channel reaches a set inclination angle, so that the overall stability of the slope protection surface is improved, the ecological building block 1 can be completely attached to the slope protection surface, and water and soil loss is prevented;
2) construction of foundations
a. Firstly, determining the height position of the bottom of a river channel slope protection surface from the water surface and the underwater width of the slope protection surface, selecting a water baffle plate with a proper size, vertically inserting the water baffle plate into the bottom of the river channel, enabling the exposed height of the water baffle plate on the water surface to be more than 30cm, then sealing the two ends of the slope protection surface by using the water baffle plate, enabling the whole water baffle structure to be in a U shape, enabling the installation of the water baffle plate to be convenient for installation and positioning when the ecological building block 1 is constructed below the water surface, improving the connection strength of the bottom of the slope protection surface, and enabling the exposed section to prevent water in the river channel from pouring back into the U-shaped structure to influence the;
b. then, supporting steel pipes are installed at equal intervals along the inner side surfaces of the water baffles, the water baffles are fixed through the supporting steel pipes, after the construction area with water is sealed, a water pump and a water pipe are installed in the construction area, water in the construction area is pumped out through the water pump, the stability of the installed water baffles is improved through the supporting steel pipes, water in a river channel is prevented from flowing into the construction area when construction is carried out on the bottom of a slope protection surface, and safety is improved;
c. after water on one side of a water baffle inside a river channel is drained, determining the height and width of each layer of stacking position on a slope protection surface according to the laying requirement and the design size of the ecological building blocks 1, manually excavating through a shovel, wherein the excavating sequence is performed from bottom to top, the height and width of each layer are consistent, and cleaning sludge at the bottom layer until the whole slope protection surface is excavated, so that the connection strength of the ecological building blocks 1 at the bottom of the slope protection surface is improved, and the reliable connection stability of the ecological building blocks 1 at each layer is ensured, thereby enhancing the stability of the whole slope protection surface;
d. finally, selecting proper geotextile according to the size of the slope protection surface, paving the geotextile in the construction area, and fixing the geotextile at the construction area of the slope protection surface by using the anchoring nails 2, wherein the geotextile is designed to prevent soil erosion and water loss and improve the survival rate of vegetation;
3) ecological building block processing
a. Manufacturing a corresponding mold according to design requirements, forming the required ecological building blocks 1 by mold casting molding, wherein the size of a building block monomer 3 of each ecological building block 1 is kept consistent, meanwhile, T-shaped blocks 6 and T-shaped grooves 7 on the front side and the rear side of the building block monomer 3 are integrally molded, a slope surface is formed between the front side and the top surface of the building block monomer 3, planting grooves 4 are integrally molded on the slope surface, the planting grooves 4 penetrate through the bottom of the building block monomer 3, water through holes 5 are symmetrically formed in the left side and the right side of the planting grooves 4, the water flow in the planting grooves 4 is convenient to communicate, moisture is provided for vegetation in the planting grooves 4, meanwhile, a inhabitation environment is provided for aquatic animals, and the T-shaped blocks 6 and the T-shaped grooves 7 are convenient for people to climb up and protect the slope surface to prevent slipping and slide into;
b. then, two symmetrically arranged triangular positioning blocks 12 are formed on the top surfaces of the building block single bodies 3 in a pouring mode, the size of each triangular positioning block 12 is matched with the through groove 8 in the T-shaped block 6, the stability of connection between the upper ecological building block 1 and the lower ecological building block 1 is improved due to the triangular positioning blocks 12 and the through grooves 8, the primary positioning effect is achieved, and the construction precision is improved;
c. then, respectively drilling a first anchoring hole 9 and a second anchoring hole 11 along the top surface and the slope surface of the single block body 3 by using a drilling machine, so that the sizes of the first anchoring hole 9 and the second anchoring hole 11 are matched, and the first anchoring hole 9 and the second anchoring hole 11 improve the connection strength and stability between two adjacent ecological blocks 1 up and down and left and right;
d. finally, a limiting block 13 is poured along the left side face of the block single body 3, a third anchoring hole 14 is formed in the limiting block 13, a limiting groove 10 is formed along the right side face of the block single body 3, the limiting groove 10 is matched with the limiting block 13, and the limiting groove 10 and the limiting block 13 are convenient for positioning the two ecological blocks 1 which are adjacent to each other on the left and right;
4) construction of ecological building blocks
a. Firstly, laying processed ecological building blocks 1 in sequence from left to right along the bottom layer of a slope protection surface, covering the ecological building blocks 1 on geotextile, and inserting a limiting block 13 on the ecological building block 1 on the right side into a limiting groove 10 on the adjacent ecological building block 1 on the left side;
b. then laying an upper layer of ecological blocks 1, when laying the upper layer of ecological blocks 1, firstly determining the laying scheme of the ecological blocks 1 according to the inclination of a slope protection surface, when the actual inclination angle of the slope protection surface is smaller than the set inclination angle, aligning and stacking the upper and lower layers of ecological blocks 1, inserting a T-shaped block 6 on the upper layer of ecological blocks 1 into a T-shaped groove 7 on the lower layer of ecological blocks 1, fixedly connecting the left and right adjacent ecological blocks 1 through anchoring nails 2, enabling the anchoring nails 2 to penetrate through first anchoring holes 9 and third anchoring holes 14 and be inserted into soil on the slope protection surface, and performing stacking construction on each layer according to the sequence until the laying of the construction area of the whole slope protection surface is finished; when the actual inclination angle of the slope protection surface is larger than the set inclination angle, the upper ecological block 1 and the lower ecological block 1 are overlapped in a staggered mode, the triangular positioning block 12 on the lower ecological block 1 is clamped into the through groove 8 on the upper ecological block 1 to limit, meanwhile, the two adjacent ecological blocks 1 on the left side and the right side are fixedly connected through the anchoring nails 2, the anchoring top is inserted into the second anchoring hole 11 on the upper ecological block 1 and penetrates through the first anchoring hole 9 and the third anchoring hole 14 to be fixedly connected with the soil body of the slope protection surface, and each layer of the ecological blocks is constructed in a stacking mode according to the sequence until the whole construction area of the slope protection surface is laid;
c. then plants are planted in the planting grooves 4 on the corresponding ecological building blocks 1;
5) water retaining mechanism demolition
After the construction of the whole slope protection surface is finished, firstly removing the water baffles on the two sides, then removing the water baffle in the middle, and finally removing the supporting steel pipes in sequence;
6) slope protection maintenance
And inspecting the river protection slope surface every 1 month, and performing maintenance treatment.
The construction method has simple steps and strong practicability, can meet the slope protection construction of different river course slope protection surfaces, has high construction efficiency, shortens the construction period and has obvious effect of preventing water and soil loss.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (8)
1. The utility model provides a novel ecological bank protection structure in river course which characterized in that: the ecological building block comprises ecological building blocks and anchoring nails, wherein the two ecological building blocks which are adjacent from top to bottom or from left to right are fixedly connected through the anchoring nails.
2. The novel ecological bank protection structure in river course of claim 1, its characterized in that: the ecological building block comprises a single building block body, wherein a T-shaped block is arranged on the front side face of the single building block body, a T-shaped groove is formed in the rear side of the top face of the single building block body, and the T-shaped block is matched with the T-shaped groove.
3. The novel ecological bank protection structure in river course of claim 2, its characterized in that: the planting groove is vertically formed in the building block single body and penetrates through the building block single body from top to bottom, and water through holes are symmetrically formed in two sides of the planting groove.
4. The novel ecological bank protection structure in river course of claim 2, its characterized in that: the building block single body is provided with an inclined plane, a second anchoring hole is formed in the inclined plane, and the diameter of the second anchoring hole is larger than that of the anchoring nail.
5. The novel ecological bank protection structure in river course of claim 2, its characterized in that: the T-shaped block and the T-shaped groove are both provided with wavy stripes.
6. The novel ecological bank protection structure in river course of claim 2, its characterized in that: through grooves are symmetrically formed in the T-shaped block, triangular positioning blocks are symmetrically arranged on two sides of the top surface of each building block body, and the triangular positioning blocks are matched with the through grooves.
7. The novel ecological bank protection structure in river course of claim 2, its characterized in that: the left side and the right side of the single block are respectively provided with a limiting block and a limiting groove, the limiting blocks are matched with the limiting grooves, third anchoring holes are formed in the limiting blocks, first anchoring holes are formed in the limiting grooves, the first anchoring holes penetrate through the top surface and the bottom surface of the single block in an inclined mode, and the diameters of the first anchoring holes and the third anchoring holes are larger than the diameters of the anchoring nails.
8. The slope protection method of the novel ecological slope protection structure for the river channel, as claimed in claim 1, is characterized by comprising the following steps:
1) cleaning up river channel slope protection surface
a. Firstly, measuring and lofting a river protection slope surface needing slope protection, determining a construction position of an ecological building block according to a construction area, and marking;
b. removing weeds in the construction area, and tamping the construction area by using a tamper to ensure that the slope protection surface of the river channel reaches a set inclination angle;
2) construction of foundations
a. Firstly, determining the height position of the bottom of a river channel slope protection surface from the water surface and the underwater width of the slope protection surface, selecting a water baffle plate with a proper size, vertically inserting the water baffle plate into the bottom of the river channel to ensure that the exposed height of the water baffle plate on the water surface is more than 30cm, and then sealing the two ends of the slope protection surface by using the water baffle plate to ensure that the whole water baffle structure is U-shaped;
b. then, mounting support steel pipes at equal intervals along the inner side surfaces of the water baffles, fixing the water baffles through the support steel pipes, after the construction area with the water is sealed, filling a water pump and a water pipe into the construction area, and pumping water in the construction area through the water pump;
c. after water on one side of a water baffle inside a river channel is drained, determining the height and width of each layer of the added position on the slope protection surface according to the laying requirement and the design size of the ecological building block, manually excavating through a shovel, excavating from bottom to top in sequence, ensuring the height and width of each layer to be consistent, and cleaning sludge at the bottom layer until the whole slope protection surface is excavated;
d. finally, selecting proper geotextile according to the size of the slope protection surface, laying the geotextile in the construction area, and fixing the geotextile at the construction area of the slope protection surface by using anchoring nails;
3) ecological building block processing
a. Manufacturing a corresponding mold according to design requirements, forming required ecological blocks by mold casting molding, wherein the sizes of the single blocks of each ecological block are kept consistent, the T-shaped blocks and the T-shaped grooves on the front side and the rear side of each single block are integrally molded, a slope is formed between the front side and the top of each single block, planting grooves are integrally molded on the slope, the planting grooves penetrate through the bottoms of the single blocks, and limber holes are symmetrically formed in the left side and the right side of each planting groove;
b. then, two symmetrically arranged triangular positioning blocks are formed on the top surface of the single block body in a pouring mode, so that the sizes of the triangular positioning blocks are matched with the through grooves in the T-shaped blocks;
c. then, respectively drilling a first anchoring hole and a second anchoring hole along the top surface and the slope surface of the single block by using a drilling machine to ensure that the first anchoring hole is matched with the second anchoring hole in size;
d. finally, a limiting block is poured along the left side face of the single block body, a third anchoring hole is formed in the limiting block, and a limiting groove is formed along the right side face of the single block body, so that the limiting groove is matched with the limiting block;
4) construction of ecological building blocks
a. Firstly, sequentially laying processed ecological blocks from left to right along the bottom layer of the slope protection surface, covering the ecological blocks on geotextile, and inserting a limiting block on the ecological block on the right side into a limiting groove on the adjacent ecological block on the left side;
b. then laying an upper layer of ecological blocks, when laying the upper layer of ecological blocks, firstly determining a laying scheme of the ecological blocks according to the inclination of a slope protection surface, when the actual inclination angle of the slope protection surface is smaller than a set inclination angle, aligning and stacking the upper layer of ecological blocks and the lower layer of ecological blocks, inserting a T-shaped block on the upper layer of ecological blocks into a T-shaped groove on the lower layer of ecological blocks, fixedly connecting the left ecological blocks and the right ecological blocks through anchoring nails, enabling the anchoring nails to penetrate through a first anchoring hole and a third anchoring hole and be inserted into soil on the slope protection surface, and carrying out stacking construction on each layer according to the sequence until the laying of the construction area of the whole slope protection surface is finished; when the actual inclination angle of the slope protection surface is larger than the set inclination angle, the upper layer of ecological blocks and the lower layer of ecological blocks are overlapped in a staggered mode, the triangular positioning blocks on the lower layer of ecological blocks are clamped into the through grooves in the upper layer of ecological blocks for limiting, meanwhile, the left layer of ecological blocks and the right layer of ecological blocks are fixedly connected through anchoring nails, the anchoring tops are inserted from the second anchoring holes in the upper layer of ecological blocks and penetrate through the first anchoring holes and the third anchoring holes to be fixedly connected with the soil body of the slope protection surface, and each layer of ecological blocks is constructed in an overlapping mode according to the sequence until the whole construction area of the slope protection surface is laid;
c. then plants are planted in the planting grooves on the corresponding ecological building blocks;
5) water retaining mechanism demolition
After the construction of the whole slope protection surface is finished, firstly removing the water baffles on the two sides, then removing the water baffle in the middle, and finally removing the supporting steel pipes in sequence;
6) slope protection maintenance
And inspecting the river protection slope surface every 1 month, and performing maintenance treatment.
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| CN111485533A (en) * | 2020-03-30 | 2020-08-04 | 浙江省海洋技术服务中心 | Dam bank protection structure |
| CN111733765A (en) * | 2020-08-06 | 2020-10-02 | 中国水产科学研究院渔业工程研究所 | River course slope protection device for water ecological restoration and slope protection method |
| CN112482405A (en) * | 2020-11-26 | 2021-03-12 | 湖北沛函建设有限公司 | Prefabricated slope protection device and construction method thereof |
| CN112693259A (en) * | 2020-12-24 | 2021-04-23 | 中国五冶集团有限公司 | Mould stone artificial hillock convenient to dismouting |
| CN112921899A (en) * | 2021-02-01 | 2021-06-08 | 温州钱城市政建设有限公司 | River course shore protection structure |
| CN117090163A (en) * | 2023-10-18 | 2023-11-21 | 河北探究科学技术有限公司 | Slope protection paving equipment for hydraulic engineering and slope protection method thereof |
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| CN117090163B (en) * | 2023-10-18 | 2024-04-19 | 河北探究科学技术有限公司 | Slope protection paving equipment for hydraulic engineering and slope protection method thereof |
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