CN110552322A - Flat-laying type slope protection structure utilizing river channel silt cleaning materials and construction method thereof - Google Patents
Flat-laying type slope protection structure utilizing river channel silt cleaning materials and construction method thereof Download PDFInfo
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- CN110552322A CN110552322A CN201910799985.1A CN201910799985A CN110552322A CN 110552322 A CN110552322 A CN 110552322A CN 201910799985 A CN201910799985 A CN 201910799985A CN 110552322 A CN110552322 A CN 110552322A
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- 239000011538 cleaning material Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 16
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004567 concrete Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 13
- 238000009736 wetting Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011362 coarse particle Substances 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 206010013647 Drowning Diseases 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a flat slope protection structure utilizing river channel silt cleaning materials, which comprises anti-skid tooth walls, joints, inverted T-shaped reinforced concrete plates, bolts, geotextiles, vegetation blankets, check nets and river channel silt cleaning materials. The bottom of the side slope is provided with an anti-skid tooth wall, the top of the wall is higher than the slope surface, and the leveled side slope is paved with earth work cloth. From the anti-skid tooth wall, from bottom to top, the vertical and horizontal inverted T-shaped reinforced concrete plates and joints are installed and tiled on the side slope to form a tenon-and-mortise structure, and are anchored by bolts to form a square sash, and the sash is tiled on the whole slope surface. The lower part of the sash is filled with coarser particles in the riverway sludge cleaning material, and the upper part of the sash is filled with finer particles. And (4) paving the vegetation blanket on the sash and covering a layer of thin soil. And laying a mesh and fixing the mesh on each joint. Also discloses a construction method of the flat-laying type slope protection structure by utilizing the riverway sludge cleaning material. The ecological slope protection can be quickly formed by fully utilizing the silt cleaning materials, and the ecological slope protection can help a person falling into water to climb to the shore along the check net, so that the structure is novel, and the implementation is convenient.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a flat-laying type slope protection structure utilizing riverway sludge cleaning materials and a construction method thereof.
background
River bank protection usually adopts the types of stone masonry, concrete, grass planting brick, turf and the like, and each has its applicable conditions. In river course treatment, a large amount of desilting is usually accompanied, and the desilting material generally needs to be placed in a slag dump. Occupying the field and needing to be transported outside. At present, the concept of dike slope protection is to strive for ecology on the premise of meeting the stability requirement. If the silt cleaning material can be used for slope protection, local materials can be used, and the silt cleaning material is changed into treasure, thereby achieving multiple purposes. Therefore, the flat slope protection structure and the construction method of the flat slope protection structure are provided, and the flat slope protection structure can help unfortunate drowning people to climb to the bank along the check net for self rescue.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a flat-laying type slope protection structure utilizing riverway sludge cleaning materials. The ecological slope protection can be formed quickly by fully utilizing silt cleaning materials, and the ecological slope protection can help unfortunate people who fall into water to climb to the shore along the check net for self rescue, and is novel in structure and convenient to implement.
The purpose of the invention is realized by the following technical scheme:
And building a soil cofferdam at the side slope foot. The bottom of the side slope is provided with a grouted stone or concrete antiskid tooth wall, the top of the wall is higher than the slope surface, and the leveled side slope is provided with a spreading geotextile. From the anti-skid tooth wall, from bottom to top, the vertical and horizontal inverted T-shaped reinforced concrete plates and joints are installed and laid on the side slope to form a tenon-and-mortise structure, and are anchored by bolts to form a square sash, and the sash is laid on the whole slope surface. The lower part of the sash is filled with coarser particles in the riverway sludge cleaning material, and the upper part of the sash is filled with finer particles. And (4) paving the vegetation blanket on the sash and covering a layer of thin soil. And laying the check net on the surface of the plant-growing blanket and fixing the check net on each joint.
Preferably, the anti-skid tooth wall is of a grouted stone or concrete structure, the anti-skid tooth wall is built every 10m from the bottom of a slope to the top of the slope, the height of the wall is 1.5m, the bottom width is 1m, the top width is 0.5m, the wall foot buries deeply, and the top of the wall is 0.5m higher than the ground surface.
Preferably, the length of the inverted T-shaped reinforced concrete slab is 0.85m, the height of the inverted T-shaped reinforced concrete slab is 0.3m, the thickness of the inverted T-shaped reinforced concrete slab is 0.05m, the section of the inverted T-shaped reinforced concrete slab is inverted T-shaped after installation, the width of a single side wing of the T-shaped reinforced concrete slab is 0.1m, the thickness of the single side wing of the T-shaped reinforced concrete slab is 0.05m, the length of each tenon is 0.1m, 1 circular hole is formed in each tenon, the diameter of each circular hole is 0.03.
Preferably, the joint is divided into a right-angle joint, a T-shaped joint and a cross joint according to functions and shapes, a steel bar elbow with the diameter of 0.006m is reserved in the middle of the joint, the joint is provided with 4 mortises, the depth of each mortise is 0.1m, the width of each mortise is 0.05m, and the diameter of each circular hole on two side plates is 0.03 m.
Preferably, the riverway sludge cleaning material is filled in each sash in a layered manner from the slope bottom to the top, the compactness is not lower than 0.8, the diameter of the filler is not more than 0.05m, coarser particles with the diameter larger than 0.01m are filled in the lower layer of each sash, the thickness of the finer particles is 0.15m, finer particles with the diameter smaller than or equal to 0.01m are filled in the upper layer of each sash, the thickness of the finer particles is 0.1m, the surface of the filler in each sash is flat, and the top surface of the concrete plate with a concave surface is 0.05 m.
Preferably, the plant-growing blanket is laid on the sash and then covered with a layer of thin soil with the thickness of 0.05m, wherein the plant-growing blanket is formed by integrally bonding seeds, fertilizers, water retention agents, soil improvement agents and the like with the fiber net and the degradable ecological cloth, can be tightly attached to the ground surface and is suitable for plant growth.
Preferably, the check net is laid on the plant-growing blanket and fixed at each joint, and the diameter of the check net eye does not exceed 0.1 m.
Preferably, the watering maintenance is carried out for 1-3 months, watering is carried out for 1 time per week, a soil body with the penetration of 0.1m is suitable, the watering frequency and the soil body penetration thickness are increased in the drought period, and the watering frequency and the soil body penetration thickness can be reduced or not watered in rainy season.
A construction method of a flat slope protection structure by utilizing riverway sludge cleaning materials is characterized by comprising the following steps:
s1, arranging a soil cofferdam along the toe of the slope, and filling the cofferdam with river channel dredging materials. A layer of anti-seepage color strip cloth is laid on the water side slope surface of the cofferdam, and the sand bag is used for jacking protection. And draining accumulated water in the cofferdam.
S2, removing impurities such as slope broken stones and tree roots, leveling the slope, and keeping deviation not more than 0.05 m.
And S3, building a concrete or mortar stone anti-skid tooth wall at the slope bottom, and building one concrete or mortar stone anti-skid tooth wall every 10m from the slope bottom to the slope top. The wall foot buries deeply for 1m, and the wall top is 0.3m higher than the earth's surface.
And S4, spreading and paving geotextile on the slope.
S5, clinging to the upper side of the slope bottom anti-skid wall, placing the 1 st transverse concrete plate and the two end connectors in an inverted T shape, installing the 1 st and 2 adjacent longitudinal concrete plates and the upper end connectors on the connectors, and installing the 2 nd transverse concrete plate on the two upper end connectors. The joints and the longitudinal and transverse concrete plates form a tenon-and-mortise structure and are anchored by bolts to form a 1 st square lattice.
S6, selecting a T-shaped joint at the slope edge, using a right-angle joint at the slope angle and using a cross joint in the middle.
And S7, repeating the steps (5) and (6), and installing the rest concrete plates and joints around to ensure that the square lattice is paved on the whole slope protection.
S8, filling the river channel silt clearing materials into the lattices, sequentially filling the lattices from the slope bottom to the top one by one, wherein the compactness is not lower than 0.8, and the diameter of the filler is not more than 0.05 m. The coarse particles with the diameter larger than 0.01m are filled in the lower layer of the sash, the layer thickness is 0.15m, the fine particles with the diameter smaller than or equal to 0.01m are filled in the middle layer of the sash, the layer thickness is 0.05m, the surface of the filler in the sash is flat, the top surface of the concrete plate is recessed 0.1m below the surface, and the deviation cannot exceed 0.02 m.
S9, laying the plant growing blanket on the filler in the sash, and covering a layer of thin soil with the thickness of 0.05 m.
S10, laying a check net on the surface of the vegetation blanket, and anchoring at joints, wherein each joint needs to be anchored.
S11, removing the cofferdam.
s12, watering and maintaining for 1-3 months, watering for 1 time per week, preferably wetting and penetrating a soil body with the thickness of 0.1m, increasing watering frequency and soil body wetting and penetrating thickness particularly in a drought period, and reducing watering frequency and soil body wetting and penetrating thickness or not watering in a rainy season.
Advantageous effects
1. The river channel silt cleaning material is fully utilized, local materials are used, the materials for transportation in and out are saved, and the energy is saved and the environment is protected.
2. The joint and the concrete slab are prefabricated by a factory, and the product quality is guaranteed. The concrete slab is installed in an inverted T shape, and the self stability is good.
3. Concrete slab and joint constitute tenon fourth of twelve earthly branches structure to link to each other with bolt anchor, the wholeness is strong, simple to operate, the entering just can be under construction, and the technical degree of difficulty is low.
4. The ecological effect of the vegetation blanket is fast and good.
5. The check guest net protection, durable can also help the unfortunate person of falling into water to climb ashore along the check guest net and save oneself, novel structure, construction convenience.
Drawings
FIG. 1 is a sectional view of a flat-laid slope protection structure using a river channel silt-cleaning material;
Fig. 2 is a plan view of a tiled slope protection structure using river channel silt removal;
FIG. 3 is a top (upper) elevational view (lower) of the spider;
FIG. 4 is a top (upper) elevational view (lower) of the T-joint;
FIG. 5 is a top (upper) elevational view (lower) of a right angle fitting;
FIG. 6 is a cross-sectional view of an inverted T-shaped reinforced concrete slab;
Fig. 7 is a front view of the inverted T-shaped reinforced concrete slab.
Description of the reference numerals
1. Antiskid tooth wall, 2, geotextile, 3, connector, 31, cross connector, 32, T-shaped connector, 33, right-angle connector, 4, inverted T-shaped reinforced concrete plate, 5, thicker particles (diameter 0.01-0.05m) in riverway silt cleaning material, 6, thinner particles (diameter less than 0.01m) in riverway silt cleaning material, 7, vegetation blanket, 8, check net, 9, steel bar elbow, 10, bolt hole, 11, soil cofferdam, 12, color bar cloth, 13, sand bag
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
The first embodiment is as follows:
As shown in fig. 1 to 7, the slope protection device using the river channel silt-cleaning material of the present invention comprises a concrete anti-slip tooth wall 1, a geotextile 2, a connector 3, an inverted T-shaped reinforced concrete plate 4, an anchor bolt, relatively thick particles 5 (diameter 0.01 to 0.05m) in the river channel silt-cleaning material, relatively thin particles 6 (diameter less than 0.01m) in the river channel silt-cleaning material, a vegetation blanket 7, a check net 8, a steel bar elbow 9, a bolt hole 10, a soil cofferdam 11, a color bar cloth 12, and a sand-coated river channel silt-cleaning material 13, wherein:
And (3) building a concrete or masonry stone anti-slip tooth wall 1 at the slope bottom, and building one concrete or masonry stone anti-slip tooth wall every 10m from the slope bottom to the slope top. The wall foot buries deeply for 1m, and the wall top is 0.5m higher than the earth's surface.
Spreading the geotextile 2 on the whole slope surface.
the anti-skid tooth wall is tightly attached to the upper side of the slope bottom anti-skid tooth wall 1, the 1 st transverse concrete plate 4 and the two end connectors 3 are placed in an inverted T shape, the 1 st and 2 nd vertical concrete plates 4 and the upper end connectors 3 which are adjacent to each other are installed on the connectors, and the 2 nd transverse concrete plate 4 is installed on the two upper end connectors 3. The joints 3 and the longitudinal and transverse concrete plates 4 form a tenon-and-mortise structure and are anchored by bolts to form a 1 st square lattice.
The slope edge is provided with a T-shaped joint 32, the slope angle is provided with a right-angle joint 33, and the middle part is provided with a cross joint 31.
And installing the rest concrete plates 4 and the joints 3 around to form 2 nd and 3 rd square lattices until the whole slope protection is fully paved by the square lattices.
Filling river channel silt-cleaning materials into the sash lattices, sequentially filling the materials into each sash lattice from the slope bottom to the top in a layered mode, wherein the compactness is not lower than 0.8, the diameter of the filling materials is not more than 0.05m, the coarse particles 5 with the diameter of more than 0.01m are filled in the lower layer of the sash lattices, the layer thickness is 0.15m, the fine particles 6 with the diameter of less than or equal to 0.01m are filled in the upper layer of the sash lattices, the layer thickness is 0.1m, the surfaces of the filling materials in the sash lattices are smooth, the top surface of a concrete plate with a concave surface is 0.05m, and the deviation is not more than 0.02.
the plant-growing blanket 7 is laid on the sash, the plant-growing blanket 7 is formed by integrally bonding seeds, fertilizer, water-retaining agent, soil modifier and the like with the fiber net and the degradable ecological cloth, can be tightly attached to the ground surface and is suitable for plant growth, and the thickness of the soil layer on the plant-growing blanket is 0.05 m.
The check net 8 is laid on the surface of the vegetation blanket 7 and fixed on each joint 3.
Watering and maintaining for 1-3 months, watering for 1 time per week, preferably wetting and penetrating 0.1m soil body, increasing watering frequency and soil body wetting and penetrating thickness in drought period, and decreasing watering frequency and soil body wetting and penetrating thickness in rainy season or not watering.
a construction method of a flat-laying type slope protection structure for river channel silt cleaning materials comprises the following steps:
Step 1, arranging a soil cofferdam along the toe of the slope, and filling the cofferdam with river channel dredging materials. A layer of anti-seepage color strip cloth is laid on the water side slope surface of the cofferdam, and the sand bag is used for jacking protection. And draining accumulated water in the cofferdam.
and 2, removing impurities such as slope broken stones and tree roots, leveling the slope, and keeping deviation not more than 0.05 m.
and 3, building a concrete or masonry stone anti-slip tooth wall at the slope bottom, and building one concrete or masonry stone anti-slip tooth wall every 10m from the slope bottom to the slope top. The wall foot buries deeply for 1m, and the wall top is 0.3m higher than the earth's surface.
And 4, spreading and paving geotextile on the slope surface.
And 5, tightly attaching the 1 st transverse concrete plate and the two end connectors to the upper part of the slope bottom anti-skid wall in an inverted T shape, mounting the 1 st and 2 th longitudinal concrete plates and the upper end connectors which are adjacent to each other on the connectors, and mounting the 2 nd transverse concrete plate on the two upper end connectors. The joints and the longitudinal and transverse concrete plates form a tenon-and-mortise structure and are anchored by bolts to form a 1 st square lattice.
And 6, selecting a T-shaped joint at the slope edge, using a right-angle joint at the slope angle and using a cross joint in the middle.
And 7, repeating the step 5 and the step 6, and installing the residual concrete plates and joints around to ensure that the square lattice is paved on the whole slope protection.
And 8, filling the river channel silt clearing materials into the lattices, sequentially filling the lattices from the slope bottom to the top one by one, wherein the compactness is not lower than 0.8, and the diameter of the filler is not more than 0.05 m. The coarse particles with the diameter larger than 0.01m are filled in the lower layer of the sash, the layer thickness is 0.15m, the fine particles with the diameter smaller than or equal to 0.01m are filled in the middle layer of the sash, the layer thickness is 0.05m, the surface of the filler in the sash is flat, the top surface of the concrete plate is recessed 0.1m below the surface, and the deviation cannot exceed 0.02 m.
And 9, flatly placing the plant growing blanket above the filler in the sash, and covering a layer of thin soil with the thickness of 0.05 m.
And 10, paving a check net on the surface of the vegetation blanket, and anchoring at joints, wherein each joint needs to be anchored.
And 11, removing the cofferdam.
And step 12, watering and maintaining for 1-3 months, watering for 1 time per week, preferably wetting through 0.1m soil body, increasing watering frequency and soil body wetting through thickness in a particularly drought period, and reducing watering frequency and soil body wetting through thickness or not watering in a rainy season.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. A flat slope protection structure utilizing river channel silt cleaning materials is characterized by comprising anti-skidding tooth walls, connectors, inverted T-shaped reinforced concrete plates, bolts, geotextiles, plant growing blankets, check nets and river channel silt cleaning materials. The bottom of the side slope is provided with an anti-skid tooth wall, the top of the wall is higher than the slope surface, and the leveled side slope is paved with earth work cloth. From the anti-skid tooth wall, from bottom to top, the longitudinal and transverse inverted T-shaped reinforced concrete plates and joints are flatly laid on the side slope to form a tenon-and-mortise structure, and are anchored by bolts to form a square sash, and the sash is flatly laid on the whole slope surface. The lower part of the sash is filled with coarser particles in the riverway sludge cleaning material, and the upper part of the sash is filled with finer particles. And (4) paving the vegetation blanket on the sash and covering a layer of thin soil. And laying the check net on the surface of the plant-growing blanket and fixing the check net on each joint.
2. The flat slope protection structure using riverway sludge removal according to claim 1, wherein the anti-slip tooth walls are of a grouted stone or concrete structure, and are constructed once every 10m from the bottom of the slope to the top of the slope, the height of the wall is 1.5m, the bottom width is 1m, the top width is 0.5m, the wall foot buries deeply for 1m, and the top of the wall is 0.5m higher than the ground surface.
3. The flat slope protection structure using riverway sludge removal material according to claim 1, wherein the inverted T-shaped reinforced concrete slab is 0.85m long, 0.3m high and 0.05m thick, the cross section after installation is inverted T-shaped, the width of a single side of the T-shaped slab is 0.1m and 0.05m thick, the two ends of the slab are tenons, the length of each tenon is 0.1m, 1 circular hole is formed in each tenon, the diameter of each circular hole is 0.03m, 3 circular holes are distributed in the middle of the slab, and the hole diameter is 0.1m and the circular holes are uniformly arranged.
4. The flat slope protection structure using riverway sludge removal material according to claim 1, wherein the joints are divided into right-angle joints, T-shaped joints and cross joints according to functions and shapes, a steel bar elbow with the diameter of 0.006m is reserved in the middle of the joint, the joint is provided with 4 mortises, the mortises are 0.1m deep and 0.05m wide, and the side plates are provided with round holes with the diameter of 0.03 m.
5. The flat slope protection structure using the river channel silt-removing material according to claim 1, wherein the river channel silt-removing material is filled into the sash, the sash is filled one by one from the bottom of the slope, the compactness is not less than 0.8, the diameter of the filler is not more than 0.05m, the coarser particles with the diameter of more than 0.01m are filled in the lower layer of the sash, the finer particles with the thickness of 0.15m and the diameter of less than or equal to 0.01m are filled in the upper layer of the sash, the thickness of the layer is 0.1m, the surface of the filler in the sash is flat, and the top surface of the concrete slab is recessed 0.05 m.
6. the flat slope protection structure using riverway sludge removal material as claimed in claim 1, wherein the vegetation blanket is covered with a thin layer of soil with a thickness of 0.05 m.
7. The flat slope protection structure using river channel silt removal according to claim 1, wherein the mesh diameter of the check-up meshes is not more than 0.1 m.
8. A construction method of a tiled slope protection structure using river channel sludge removal according to any one of claims 1 to 7, comprising the steps of:
S1, arranging a soil cofferdam along the toe of the slope, and filling the cofferdam with river channel dredging materials. A layer of anti-seepage color strip cloth is laid on the water side slope surface of the cofferdam, and the sand bag is used for jacking protection. And draining accumulated water in the cofferdam.
s2, removing impurities such as slope broken stones and tree roots, leveling the slope, and keeping deviation not more than 0.05 m.
And S3, building a concrete or mortar stone anti-skid tooth wall at the slope bottom, and building one concrete or mortar stone anti-skid tooth wall every 10m from the slope bottom to the slope top. The wall foot buries deeply for 1m, and the wall top is 0.3m higher than the earth's surface.
And S4, spreading and paving geotextile on the slope.
S5, clinging to the upper side of the slope bottom anti-skid wall, placing the 1 st transverse concrete plate and the two end connectors in an inverted T shape, installing the 1 st and 2 adjacent longitudinal concrete plates and the upper end connectors on the connectors, and installing the 2 nd transverse concrete plate on the two upper end connectors. The joints and the longitudinal and transverse concrete plates form a tenon-and-mortise structure and are anchored by bolts to form a 1 st square lattice.
S6, selecting a T-shaped joint at the slope edge, using a right-angle joint at the slope angle and using a cross joint in the middle.
And S7, repeating the steps (5) and (6), and installing the rest concrete plates and joints around to ensure that the square lattice is paved on the whole slope protection.
S8, filling the river channel silt clearing materials into the lattices, sequentially filling the lattices from the slope bottom to the top one by one, wherein the compactness is not lower than 0.8, and the diameter of the filler is not more than 0.05 m. The coarse particles with the diameter larger than 0.01m are filled in the lower layer of the sash, the layer thickness is 0.15m, the fine particles with the diameter smaller than or equal to 0.01m are filled in the middle layer of the sash, the layer thickness is 0.05m, the surface of the filler in the sash is flat, the top surface of the concrete plate is recessed 0.1m below the surface, and the deviation cannot exceed 0.02 m.
S9, laying the plant growing blanket on the filler in the sash, and covering a layer of thin soil with the thickness of 0.05 m.
S10, laying a check net on the surface of the vegetation blanket, and anchoring at joints, wherein each joint needs to be anchored.
S11, removing the cofferdam.
s12, watering and maintaining for 1-3 months, watering for 1 time per week, preferably wetting and penetrating a soil body with the thickness of 0.1m, increasing watering frequency and soil body wetting and penetrating thickness particularly in a drought period, and reducing watering frequency and soil body wetting and penetrating thickness or not watering in a rainy season.
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| CN201910799985.1A CN110552322A (en) | 2019-08-28 | 2019-08-28 | Flat-laying type slope protection structure utilizing river channel silt cleaning materials and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ308754B6 (en) * | 2020-02-21 | 2021-04-28 | Aneta Libosvárová | Element of walkable outdoor paving |
| CN113863209A (en) * | 2021-09-30 | 2021-12-31 | 浙江艮威水利建设有限公司 | Ecological revetment construction method |
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