CN108425341B - Stepped landscape retaining wall for ecological river channel and construction method thereof - Google Patents
Stepped landscape retaining wall for ecological river channel and construction method thereof Download PDFInfo
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- CN108425341B CN108425341B CN201810102434.0A CN201810102434A CN108425341B CN 108425341 B CN108425341 B CN 108425341B CN 201810102434 A CN201810102434 A CN 201810102434A CN 108425341 B CN108425341 B CN 108425341B
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 238000012545 processing Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000013461 design Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002689 soil Substances 0.000 description 9
- 241001465754 Metazoa Species 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 208000028804 PERCHING syndrome Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
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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
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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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 stepped landscape retaining wall for an ecological river channel and a construction method thereof, wherein the stepped landscape retaining wall comprises landscape building blocks, the landscape building blocks are connected and overlapped to form a landscape retaining wall, an upper landscape building block and a lower landscape building block are fixedly connected through T-shaped positioning steel bars, the landscape building blocks comprise back plates, side plates and planting plates, the side plates are symmetrically arranged on two sides of the front side surface of the back plate, the planting plates are obliquely arranged between the two side plates, planting grooves are formed in the top surfaces of the planting plates, the two landscape building blocks which are adjacent to each other on the left and the right are connected through a first limiting mechanism, and the two landscape building blocks which are adjacent. The construction method comprises the following steps: river channel measurement lofting, river channel reinforcement, landscape block processing, landscape block construction and ecological river channel maintenance. The construction method disclosed by the invention is simple in steps and strong in operability, not only can the original ecological river channel not be damaged, but also the protection effect of the landscape retaining wall is greatly improved, and meanwhile, the attractiveness is enhanced.
Description
Technical Field
The invention relates to a stepped landscape retaining wall for an ecological river channel and a construction method thereof.
Background
In the river regulation project, the aesthetic concept of the ecological landscape retaining wall is intervened to change the traditional construction form of stone and concrete, so that the river retaining wall not only has practicability, but also has artistry and sustainable development. The traditional river channel dam in China has large volume of retaining materials and is not scientific, so that the requirement on the bearing capacity of a foundation is too high, the retaining wall is dull and silty and has no angry, and even the natural ecological environment is destroyed.
Disclosure of Invention
The invention aims to provide a stepped landscape retaining wall for an ecological river channel and a technical scheme of a construction method thereof, aiming at the defects in the prior art, the landscape retaining wall has the advantages that the landscape building block is designed, the strength and the stability of the landscape retaining wall can be improved, the construction and the installation are convenient, the overall effect is good, the bank protection capability is strong, the water and soil loss is effectively reduced, the siltation of silt in the river channel is reduced, the construction method has simple steps and strong operability, the original ecological river channel cannot be damaged, the protection effect of the landscape retaining wall is greatly improved, and meanwhile, the attractiveness is enhanced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an ecological for river cascaded view barricade which characterized in that: the landscape block comprises landscape blocks, the landscape blocks are connected and overlapped to form a landscape retaining wall, a water passing cavity is formed between two adjacent landscape blocks on the left and right, the upper landscape block and the lower landscape block are fixedly connected through T-shaped positioning steel bars, the landscape blocks comprise a back plate, side plates and planting plates, the side plates are symmetrically arranged on two sides of the front side surface of the back plate, the planting plates are obliquely arranged between the two side plates, planting grooves are formed in the top surface of the planting plates, the two adjacent landscape blocks on the left and right are connected through a first limiting mechanism, and the two adjacent landscape blocks on the upper and lower sides are connected through a second limiting mechanism; the design of view building block, not only can improve the intensity and the stability of view barricade, and be convenient for construct the installation, whole effectual, the shore protection ability is strong, effectively reduced soil erosion and water loss, the siltation of silt in the river course has been reduced, it can provide the environment of perching for aquatic animal to lead to the water cavity, prevent to receive the infringement of natural enemy, be favorable to maintaining the balance of ecological river course biological chain, T shape spacer bar can be fixed a position between the upper and lower adjacent view building block, even local view building block drops, can not influence the holistic shore protection effect of view barricade, be favorable to the view building block to be located same vertical plane simultaneously, the aesthetic property has been strengthened, the planting groove can be used for planting aquatic plant, play the effect of beautifying the environment and purifying water body.
Furthermore, a water outlet is formed in the back plate, a filter screen is arranged on the water outlet, water in the landscape building blocks can be input into soil of the revetment through the water outlet, water flow intercommunication is achieved, sand and soil loss can be effectively prevented through the filter screen, and siltation of silt in a river channel is reduced.
Further, the cross-section of curb plate is L shape, is provided with the hole of permeating water on the curb plate, and the design of L shape has not only improved the support intensity of view building block, has improved its stability moreover, the erection joint of being convenient for, and the aquatic animal of can being convenient for of the hole of permeating water moves about.
Further, all be provided with the T-slot on backplate and the curb plate, T-slot and T shape positioning bar phase-match, the design in T-slot can be convenient for carry out fixed connection with T shape positioning bar, improves the joint strength and the stability of whole view barricade.
Furthermore, the included angle between the planting plate and the horizontal direction is 30-60 degrees, and the inclined arrangement of the planting plate can reduce the loss of soil in the planting groove.
Further, first stop gear includes spacing groove and stopper, and spacing groove and stopper are located the both sides of planting the board, and spacing groove and stopper phase-match all are provided with the bolt hole on spacing groove and the stopper, pass the bolt hole through the bolt, realize the fixed connection of stopper and spacing groove, and fixed connection between the adjacent view building block is controlled in spacing groove and stopper being used for, and the installation of being convenient for is dismantled.
Further, second stop gear includes first constant head tank, the second locating piece, first constant head tank and second constant head tank, first constant head tank and first constant head tank are located the top surface and the bottom surface of backplate respectively, first constant head tank and first constant head tank phase-match, second locating piece and second constant head tank are located the top surface and the bottom surface of curb plate respectively, second locating piece and second constant head tank phase-match, relative slip about between two view building blocks about first locating piece and first constant head tank can control, relative slip about between two view building blocks about second locating piece and the second constant head tank can control.
The construction method of the stepped landscape retaining wall for the ecological river channel is characterized by comprising the following steps:
1) river course measurement lofting
a. Firstly, cleaning a revetment surface of an ecological river channel according to the requirements of a drawing, dividing a construction area along the revetment surface according to the requirements of the drawing, and making a safety sign on the boundary line of the construction area;
b. then, the construction equipment is conveyed to a construction site for inspection, preparation before construction is made, and smooth operation of the construction equipment is ensured;
c. finally, making technical bottom-crossing work;
2) river channel reinforcement
a. Firstly, installing a water-stop sheet in a river channel along a revetment surface, wherein the distance between the water-stop sheet and the revetment surface is larger than 1.5m, installing a foundation pile at a set position in the river channel through a pile driving boat, exposing the top end of the foundation pile to the river surface by 1-1.5 m, installing the water-stop sheet on the outer side surface of the foundation pile, fixedly connecting the water-stop sheet and the foundation pile, inserting the bottom end of the water-stop sheet into a river bed, and enabling the top end of the water-stop sheet to be 0.5-0.8 m higher than the river surface;
b. then mounting a support plate on the water-stop plate facing to one side of the revetment surface, fixedly supporting the support plate and the revetment surface by using support columns, wherein the distance between every two adjacent support columns is more than 1.5m, and sealing the water-stop plates at two ends and the revetment surface by using a baffle plate;
c. then, pumping water between the water-stop sheet and the revetment surface by using a water pump, cleaning silt on the revetment surface and the bottom, tamping the revetment surface and the bottom by using a tamping machine, paving geotextile along the revetment surface after tamping, and fixing the geotextile on the revetment surface by using an anchor;
3) landscape building block processing
a. Firstly, pouring back plates with matched sizes according to design requirements, arranging a water outlet at the center of each back plate, installing a filter screen in each water outlet, arranging T-shaped grooves at set positions along two sides of each back plate, and forming a first locating block and a first limiting groove which are matched with each other on the upper side and the lower side of each back plate;
b. then processing side plates matched with the back plate according to the size of the back plate, wherein the cross section of each side plate is L-shaped, one side surface of each side plate is provided with a water permeable hole, the other side of each side plate is provided with a T-shaped groove, meanwhile, a second positioning block and a second limiting groove which are matched with each other are formed on the top surface and the bottom surface of each side plate, the two processed side plates are symmetrically and fixedly connected to the two sides of the front side surface of the back plate, and the directions of the first positioning block and the second positioning block are ensured to be;
c. processing planting plates matched with the side plates according to the sizes of the side plates, mounting planting grooves at positions, close to the back plate, of the top surfaces of the planting plates, processing matched limiting grooves and limiting blocks at two sides of the planting plates, and fixedly connecting the processed planting plates to the side plates and the back plate to enable included angles between the planting plates and the horizontal direction to be kept at 30-60 degrees;
d. repeating the steps a to c, and finishing processing the landscape building blocks in the amount required by river bank protection;
4) landscape block construction
a. Firstly, drawing reference lines along the bottom of a revetment surface and in the vertical direction, then lowering landscape building blocks to the bottom between a water-stop plate and the revetment surface through a hoisting machine, installing each landscape building block between the reference line and the revetment surface through manual operation, fixedly connecting the landscape building blocks through a limiting groove and a limiting block along the revetment surface in sequence, beating the positions which extrude the reference lines or exceed the reference lines through rubber hammers, ensuring that retaining walls formed by the landscape building blocks are positioned on the same plane, installing one layer of landscape building block every time, and planting aquatic plant seeds in planting grooves in the landscape building blocks;
b. secondly, mounting a second layer of landscape building blocks above the bottom landscape building blocks, positioning the upper landscape building blocks and the lower landscape building blocks through a first positioning block, a second positioning block, a first positioning groove and a second positioning groove, sequentially positioning each layer of landscape building blocks until the height of each landscape building block is equal to the height of a revetment surface, and removing the supporting columns when the supporting columns meet in the construction process until the construction of the whole retaining wall is finished;
c. inserting T-shaped positioning steel bars between the T-shaped grooves on the upper landscape block and the lower landscape block along each vertical direction until the T-shaped grooves on the whole landscape retaining wall are completely provided with the T-shaped positioning steel bars;
d. finally, the water-stop sheets are sequentially removed, the baffle plates are removed, and then the foundation pile is removed;
5) ecological river maintenance
And regularly observing the side walls of the landscape retaining walls, and repairing and maintaining the corresponding landscape building blocks.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the landscape block design can not only improve the strength and stability of the landscape retaining wall, but also facilitate construction and installation, has good overall effect and strong bank protection capability, effectively reduces water and soil loss and reduces the siltation of silt in the river;
2. the water-through cavity can provide a habitat environment for aquatic animals, prevent the aquatic animals from being damaged by natural enemies and is beneficial to maintaining the balance of the biological chain of the ecological riverway;
3. the T-shaped positioning steel bars can position the landscape blocks which are adjacent up and down, so that the integral bank protection effect of the landscape retaining wall is not influenced even if local landscape blocks fall off, and meanwhile, the landscape blocks are favorably positioned in the same vertical plane, and the attractiveness is enhanced;
4. the planting tank can be used for planting aquatic plants, and plays a role in beautifying the environment and purifying water;
5. the construction method disclosed by the invention is simple in steps and strong in operability, not only can the original ecological river channel not be damaged, but also the protection effect of the landscape retaining wall is greatly improved, and meanwhile, the attractiveness is enhanced.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a stepped landscape retaining wall for an ecological river channel and a stepped landscape retaining wall in a construction method thereof.
Fig. 2 is a schematic structural view of the landscape block of the invention.
In the figure: 1-landscape building blocks; 2-a water through cavity; 3-T-shaped positioning steel bars; 4-a back plate; 5-side plate; 6-water outlet; 7-a filter screen; 8-planting plates; 9-planting grooves; 10-water permeable holes; 11-a T-shaped slot; 12-a limiting groove; 13-a limiting block; 14-a first positioning block; 15-a second positioning block; 16-second positioning groove.
Detailed Description
As shown in fig. 1 to 2, the stepped landscape retaining wall for an ecological river comprises landscape blocks 1, wherein the landscape blocks 1 are connected and overlapped to form the landscape retaining wall, a water through cavity 2 is formed between two landscape blocks 1 adjacent to each other on the left and right, and the upper landscape block 1 and the lower landscape block 1 are fixedly connected through a T-shaped positioning steel bar 3.
The landscape building block 1 comprises a back plate 4, side plates 5 and planting plates 8, wherein a water outlet 6 is arranged on the back plate 4, a filter screen 7 is arranged on the water outlet 6, the water outlet 6 can input water in the landscape building block 1 into soil of a revetment to realize water flow intercommunication, the filter screen 7 can effectively prevent sandy soil loss and reduce silt deposition in a river channel, the side plates 5 are symmetrically arranged on two sides of the front side surface of the back plate 4, the cross section of each side plate 5 is L-shaped, a water permeable hole 10 is arranged on each side plate 5, the L-shaped design not only improves the supporting strength of the landscape building block 1 but also improves the stability of the landscape building block and is convenient for installation and connection, the water permeable hole 10 can facilitate the swimming of aquatic animals, T-shaped grooves 11 are arranged on the back plate 4 and the side plates 5, the T-shaped grooves 11 are matched with the T-shaped positioning steel bars 3, and, improve the joint strength and the stability of whole view barricade, plant 8 slopes to set up between two curb plates 5, are provided with on the top surface of planting board 8 and plant groove 9, and the contained angle of planting board 8 and horizontal direction is 30 ~ 60, and the slope setting of planting board 8 can reduce the loss of planting the interior soil of groove 9.
Control and connect through first stop gear between two adjacent view building blocks 1, first stop gear includes spacing groove 12 and stopper 13, spacing groove 12 and stopper 13 are located the both sides of planting the board 8, spacing groove 12 and stopper 13 phase-match, all be provided with the bolt hole on spacing groove 12 and the stopper 13, pass the bolt hole through the bolt, realize the fixed connection of stopper 13 and spacing groove 12, fixed connection between adjacent view building block 1 about spacing groove 12 and stopper 13 are used for, convenient to install and dismantle.
The two landscape building blocks 1 which are adjacent up and down are connected through a second limiting mechanism, the second limiting mechanism comprises a first positioning block 14, a second positioning block 15, a first positioning groove (not marked in the figure) and a second positioning groove 16, the first positioning block 14 and the first positioning groove are respectively positioned on the top surface and the bottom surface of the back plate 4, the first positioning block 14 is matched with the first positioning groove, the second positioning block 15 and the second positioning groove 16 are respectively positioned on the top surface and the bottom surface of the side plate 5, the second positioning block 15 is matched with the second positioning groove 16, the first positioning block 14 and the first positioning groove can control the left and right relative sliding between the upper landscape building block 1 and the lower landscape building block 1, and the second positioning block 15 and the second positioning groove 16 can control the front and back relative sliding between the upper landscape building block 1 and the lower landscape building block 1; design of view building block 1, not only can improve the intensity and the stability of view barricade, and be convenient for construct the installation, it is whole effectual, the shore protection ability is strong, water and soil loss has effectively been reduced, the siltation of silt in the river course has been reduced, logical water cavity 2 can provide the environment of perching for aquatic animal, prevent to receive the infringement of natural enemy, be favorable to maintaining the balance of ecological river course biological chain, T shape spacer bar 3 can be fixed a position between the view building block 1 adjacent from top to bottom, even local view building block 1 drops, can not influence the holistic shore protection effect of view barricade yet, be favorable to view building block 1 to be located same vertical plane simultaneously, the aesthetic property has been strengthened, planting groove 9 can be used for planting aquatic plant, play the effect of beautifying the environment and purifying water body.
The construction method of the stepped landscape retaining wall for the ecological river comprises the following steps:
1) river course measurement lofting
a. Firstly, cleaning a revetment surface of an ecological river channel according to the requirements of a drawing, dividing a construction area along the revetment surface according to the requirements of the drawing, and making a safety sign on the boundary line of the construction area;
b. then, the construction equipment is conveyed to a construction site for inspection, preparation before construction is made, and smooth operation of the construction equipment is ensured;
c. finally, making technical bottom-crossing work;
2) river channel reinforcement
a. Firstly, installing a water-stop sheet in a river channel along a revetment surface, wherein the distance between the water-stop sheet and the revetment surface is larger than 1.5m, installing a foundation pile at a set position in the river channel through a pile driving boat, exposing the top end of the foundation pile to the river surface by 1-1.5 m, installing the water-stop sheet on the outer side surface of the foundation pile, fixedly connecting the water-stop sheet and the foundation pile, inserting the bottom end of the water-stop sheet into a river bed, and enabling the top end of the water-stop sheet to be 0.5-0.8 m higher than the river surface;
b. then mounting a support plate on the water-stop plate facing to one side of the revetment surface, fixedly supporting the support plate and the revetment surface by using support columns, wherein the distance between every two adjacent support columns is more than 1.5m, and sealing the water-stop plates at two ends and the revetment surface by using a baffle plate;
c. then, pumping water between the water-stop sheet and the revetment surface by using a water pump, cleaning silt on the revetment surface and the bottom, tamping the revetment surface and the bottom by using a tamping machine, paving geotextile along the revetment surface after tamping, and fixing the geotextile on the revetment surface by using an anchor;
3) landscape building block processing
a. Firstly, pouring back plates 4 with matched sizes according to design requirements, arranging a water outlet 6 at the center of each back plate 4, installing a filter screen 7 in each water outlet 6, arranging T-shaped grooves 11 at set positions along two sides of each back plate 4, and forming a first positioning block 14 and a first limiting groove 12 which are matched with each other on the upper side and the lower side of each back plate 4;
b. then, processing a side plate 5 matched with the back plate 4 according to the size of the back plate, wherein the cross section of the side plate 5 is L-shaped, one side surface of the side plate 5 is provided with a water permeable hole 10, the other side of the side plate 5 is provided with a T-shaped groove 11, meanwhile, a second positioning block 15 and a second limiting groove 12 which are matched with each other are formed on the top surface and the bottom surface of the side plate 5, the two processed side plates 5 are symmetrically and fixedly connected to the two sides of the front side surface of the back plate 4, and the direction consistency of the first positioning block 14 and the second positioning block 15 is ensured;
c. then, processing a planting plate 8 matched with the side plate according to the size of the side plate 5, installing a planting groove 9 at a position, close to the back plate 4, on the top surface of the planting plate 8, simultaneously processing a limit groove 12 and a limit block 13 matched with the side plate 8 on two sides of the planting plate 8, and fixedly connecting the processed planting plate 8 to the side plate 5 and the back plate 4 to keep an included angle between the planting plate 8 and the horizontal direction at 30-60 degrees;
d. repeating the steps a to c, and finishing processing the landscape building blocks 1 required by river bank protection;
4) landscape block construction
a. Firstly, drawing reference lines along the bottom of a revetment surface and the vertical direction, then lowering landscape building blocks 1 to the bottom between a water-stop plate and the revetment surface through a hoisting machine, installing each landscape building block 1 between the reference line and the revetment surface through manual operation, fixedly connecting the landscape building blocks 1 through limiting grooves 12 and limiting blocks 13 along the revetment surface in sequence, knocking the positions which extrude the reference lines or exceed the reference lines through rubber hammers, ensuring that retaining walls formed by the landscape building blocks 1 are positioned on the same plane, installing one layer of landscape building block 1 every time, and planting aquatic plant seeds in planting grooves 9 in the landscape building blocks 1;
b. then, mounting a second layer of landscape building blocks 1 above the bottom landscape building blocks 1, positioning the upper landscape building blocks and the lower landscape building blocks 1 through a first positioning block 14, a second positioning block 15, a first positioning groove and a second positioning groove 16, sequentially positioning each layer of landscape building blocks 1 until the height of each layer of landscape building blocks is equal to the height of a revetment surface, and removing the supporting columns when the supporting columns meet in the construction process until the whole retaining wall is completely constructed;
c. inserting T-shaped positioning steel bars 3 between the T-shaped grooves 11 on the upper landscape block 1 and the lower landscape block 1 along each vertical direction until the T-shaped positioning steel bars 3 are completely installed in the T-shaped grooves 11 on the whole landscape retaining wall;
d. finally, the water-stop sheets are sequentially removed, the baffle plates are removed, and then the foundation pile is removed;
5) ecological river maintenance
And regularly observing the side walls of the landscape retaining walls, and repairing and maintaining the corresponding landscape building blocks 1.
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 (5)
1. The utility model provides a construction method of cascaded view barricade for ecological river course which characterized in that: the landscape block comprises landscape blocks, wherein the landscape blocks are connected and overlapped to form the landscape retaining wall, a water passing cavity is formed between two landscape blocks which are adjacent on the left and right, the upper landscape block and the lower landscape block are fixedly connected through T-shaped positioning steel bars, the landscape blocks comprise back plates, side plates and planting plates, the side plates are symmetrically arranged on two sides of the front side surface of the back plate, the planting plates are obliquely arranged between the two side plates, planting grooves are formed in the top surfaces of the planting plates, the two landscape blocks which are adjacent on the left and right are connected through a first limiting mechanism, and the two landscape blocks which are adjacent on the upper and lower sides are connected through a second limiting mechanism; the first limiting mechanism comprises a limiting groove and limiting blocks, the limiting groove and the limiting blocks are positioned on two sides of the planting plate, the limiting groove is matched with the limiting blocks, bolt holes are formed in the limiting groove and the limiting blocks, and bolts penetrate through the bolt holes to realize the fixed connection of the limiting blocks and the limiting grooves; the second limiting mechanism comprises a first positioning block, a second positioning block, a first positioning groove and a second positioning groove, the first positioning block and the first positioning groove are respectively located on the top surface and the bottom surface of the back plate, the first positioning block is matched with the first positioning groove, the second positioning block is respectively located on the top surface and the bottom surface of the side plate, and the second positioning block is matched with the second positioning groove, and the method comprises the following steps:
1) river course measurement lofting
a. Firstly, cleaning a revetment surface of an ecological river channel according to the requirements of a drawing, dividing a construction area along the revetment surface according to the requirements of the drawing, and making a safety sign on the boundary line of the construction area;
b. then, the construction equipment is conveyed to a construction site for inspection, preparation before construction is made, and smooth operation of the construction equipment is ensured;
c. finally, making technical bottom-crossing work;
2) river channel reinforcement
a. Firstly, installing a water-stop sheet in a river channel along a revetment surface, wherein the distance between the water-stop sheet and the revetment surface is larger than 1.5m, installing a foundation pile at a set position in the river channel through a pile driving boat, exposing the top end of the foundation pile to the river surface by 1-1.5 m, installing the water-stop sheet on the outer side surface of the foundation pile, fixedly connecting the water-stop sheet and the foundation pile, inserting the bottom end of the water-stop sheet into a river bed, and enabling the top end of the water-stop sheet to be 0.5-0.8 m higher than the river surface;
b. then mounting a support plate on the water-stop plate facing to one side of the revetment surface, fixedly supporting the support plate and the revetment surface by using support columns, wherein the distance between every two adjacent support columns is more than 1.5m, and sealing the water-stop plates at two ends and the revetment surface by using a baffle plate;
c. then, pumping water between the water-stop sheet and the revetment surface by using a water pump, cleaning silt on the revetment surface and the bottom, tamping the revetment surface and the bottom by using a tamping machine, paving geotextile along the revetment surface after tamping, and fixing the geotextile on the revetment surface by using an anchor;
3) landscape building block processing
a. Firstly, pouring back plates with matched sizes according to design requirements, arranging a water outlet at the center of each back plate, installing a filter screen in each water outlet, arranging T-shaped grooves at set positions along two sides of each back plate, and forming a first locating block and a first limiting groove which are matched with each other on the upper side and the lower side of each back plate;
b. then processing side plates matched with the back plate according to the size of the back plate, wherein the cross section of each side plate is L-shaped, one side surface of each side plate is provided with a water permeable hole, the other side of each side plate is provided with a T-shaped groove, meanwhile, a second positioning block and a second limiting groove which are matched with each other are formed on the top surface and the bottom surface of each side plate, the two processed side plates are symmetrically and fixedly connected to the two sides of the front side surface of the back plate, and the directions of the first positioning block and the second positioning block are ensured to be;
c. processing planting plates matched with the side plates according to the sizes of the side plates, mounting planting grooves at positions, close to the back plate, of the top surfaces of the planting plates, processing matched limiting grooves and limiting blocks at two sides of the planting plates, and fixedly connecting the processed planting plates to the side plates and the back plate to enable included angles between the planting plates and the horizontal direction to be kept at 30-60 degrees;
d. repeating the steps a to c, and finishing processing the landscape building blocks in the amount required by river bank protection;
4) landscape block construction
a. Firstly, drawing reference lines along the bottom of a revetment surface and in the vertical direction, then lowering landscape building blocks to the bottom between a water-stop plate and the revetment surface through a hoisting machine, installing each landscape building block between the reference line and the revetment surface through manual operation, fixedly connecting the landscape building blocks through a limiting groove and a limiting block along the revetment surface in sequence, beating the positions which extrude the reference lines or exceed the reference lines through rubber hammers, ensuring that retaining walls formed by the landscape building blocks are positioned on the same plane, installing one layer of landscape building block every time, and planting aquatic plant seeds in planting grooves in the landscape building blocks;
b. secondly, mounting a second layer of landscape building blocks above the bottom landscape building blocks, positioning the upper landscape building blocks and the lower landscape building blocks through a first positioning block, a second positioning block, a first positioning groove and a second positioning groove, sequentially positioning each layer of landscape building blocks until the height of each landscape building block is equal to the height of a revetment surface, and removing the supporting columns when the supporting columns meet in the construction process until the construction of the whole retaining wall is finished;
c. inserting T-shaped positioning steel bars between the T-shaped grooves on the upper landscape block and the lower landscape block along each vertical direction until the T-shaped grooves on the whole landscape retaining wall are completely provided with the T-shaped positioning steel bars;
d. finally, the water-stop sheets are sequentially removed, the baffle plates are removed, and then the foundation pile is removed;
5) ecological river maintenance
And regularly observing the side walls of the landscape retaining walls, and repairing and maintaining the corresponding landscape building blocks.
2. The construction method of the stepped landscape retaining wall for the ecological river channel as claimed in claim 1, wherein: the back plate is provided with a water outlet, and the water outlet is provided with a filter screen.
3. The construction method of the stepped landscape retaining wall for the ecological river channel as claimed in claim 1, wherein: the cross-section of curb plate is L shape, be provided with the hole of permeating water on the curb plate.
4. The construction method of the stepped landscape retaining wall for the ecological river channel as claimed in claim 1, wherein: the back plate and the side plates are both provided with T-shaped grooves, and the T-shaped grooves are matched with the T-shaped positioning steel bars.
5. The construction method of the stepped landscape retaining wall for the ecological river channel as claimed in claim 1, wherein: the included angle between the planting plate and the horizontal direction is 30-60 degrees.
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| CN110173151B (en) * | 2019-05-10 | 2021-09-10 | 广东汉威城建有限公司 | Masonry block square tube and wall structure with ventilation function |
| CN110725278A (en) * | 2019-09-24 | 2020-01-24 | 浙江永安工程咨询集团有限公司 | Novel river channel ecological slope protection structure and slope protection method thereof |
| CN112049069B (en) * | 2020-07-27 | 2022-05-17 | 成龙建设集团有限公司 | Construction method of ecological retaining dam |
| CN113277626A (en) * | 2021-07-20 | 2021-08-20 | 湖南江山春锦科技有限公司 | Assembled small and micro wetland for vegetable planting |
| CN114197391B (en) * | 2021-12-06 | 2023-04-07 | 深圳市东深工程有限公司 | River channel ecological revetment and construction method thereof |
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| CN205329713U (en) * | 2015-12-03 | 2016-06-22 | 湖北正茂新材料科技有限公司 | Green retaining wall building block |
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Effective date of registration: 20200717 Address after: No. 408, Huanyuan South Road, industrial park, Andong Town, Hangzhou Bay New District, Ningbo, Zhejiang Province, 315327 Applicant after: Ningbo longyuanshenghong Ecological Construction Engineering Co.,Ltd. Address before: 310018, No. 508, Tong Tong Street, Xiasha Higher Education Eastern District, Zhejiang, Hangzhou Applicant before: ZHEJIANG University OF WATER RESOURCES AND ELECTRIC POWER |
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