CN115450170B - Spliced river levee slope ecological environment protection structure and construction method thereof - Google Patents
Spliced river levee slope ecological environment protection structure and construction method thereof Download PDFInfo
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- CN115450170B CN115450170B CN202211201685.7A CN202211201685A CN115450170B CN 115450170 B CN115450170 B CN 115450170B CN 202211201685 A CN202211201685 A CN 202211201685A CN 115450170 B CN115450170 B CN 115450170B
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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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Revetment (AREA)
Abstract
The invention discloses an ecological environment protection structure of an assembled river levee side slope and a construction method thereof, wherein the protection structure comprises a ground layer paved on the side surface of the river levee, and a protection module paved on the ground layer, wherein the protection module is fixed by an anchor; the foundation layer is formed by paving a plurality of composite material blocks, and the composite material blocks comprise two outer shell layers and a composite interlayer fixedly clamped between the two outer shell layers; the protection module comprises a hexagonal prism-shaped module shell, and a reinforcing structure is fixedly arranged in the module shell; the construction method comprises the following steps: s1, repairing two sides of a river channel into slopes; s2, paving a plurality of composite material blocks on the surface of the slope to form a foundation layer; s3, closely paving the module shell of the protection module on the ground layer; according to the river levee protection structure, the plurality of module shells can be firmly spliced and assembled together to form the river levee protection structure, and the reinforcing structure arranged in the module shells further improves the integral strength of the river levee protection structure.
Description
Technical Field
The invention relates to the technical field of river levee protection, in particular to an ecological environment protection structure for an assembled river levee slope and a construction method thereof.
Background
The town river is an infrastructure for town construction, and most of the river bears flood control, drainage and water supply functions, and is also a carrier of material flow, energy flow and information flow of the urban ecological system; at present, most of the protection structures of river levees are disposable buildings, and when the river levees are damaged, the river levees can only be removed and rebuilt in a large area, so that a large amount of building rubbish is generated while building materials are wasted;
the existing river levee protective structure is inconvenient to repair after partial damage occurs, and even if the protective structure is repaired, the newly repaired protective structure part and the old protective structure part cannot be well and firmly combined, and secondary damage is easy to occur at the repairing joint.
Disclosure of Invention
The invention aims to provide an ecological environment protection structure for an assembled river dike slope and a construction method thereof, which can effectively protect the river dike and prevent the river dike from being damaged in the flood season.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the ecological environment protection structure comprises a ground layer paved on the side surface of a river levee, and a protection module paved on the ground layer, wherein the protection module is fixed by anchors;
the foundation layer is formed by paving a plurality of composite material blocks, wherein each composite material block comprises two outer shell layers and a composite interlayer fixedly clamped between the two outer shell layers;
the protection module comprises a hexagonal prism-shaped module shell, and a reinforcing structure is fixedly arranged in the module shell;
the reinforcing structure comprises a module bottom plate, a separation barrel with an upward opening is fixedly arranged at the top of the module bottom plate, and a plurality of reinforcing rib plates are fixedly arranged on the outer side wall of the separation barrel;
a plurality of fixed connecting blocks are arranged at positions, close to the lower end, in the module shell, and fixed connecting through holes which are vertically communicated are formed in the fixed connecting blocks;
the anchor comprises a hollow anchor column body, the anchor column body is provided with an anchor tip, a barb control slide rod is arranged in the anchor column body in a sliding fit manner along the axis direction of the anchor column body, and a plurality of anchor barbs are connected to the barb control slide rod in a movable hinge manner;
the side wall of the anchor post body is provided with a plurality of barb through holes which are internally and externally communicated, and anchor barbs are inserted into the barb through holes in a one-to-one and sliding manner;
an anchor cap is fixedly arranged at the upper end of the anchor post body, and the upper end of the barb control slide rod extends upwards to penetrate through the anchor cap.
Preferably, the composite material block is formed by pressing a static press with the specification of 150-400 tons, the outer shell layer is made of clay material, the composite interlayer is a mixture of clay and stones according to the volume ratio of 1:0.8-1.2, and the appearance size of the stones is 1-5 cm.
Description: the composite material block has good strength, can improve the overall strength of the river levee protective structure, and has low material cost and easy preparation.
Preferably, the position in the module shell close to the lower end is a lower-narrow upper-wide inverted conical surface structure, the edge of the lower end of the module bottom plate is a lower-narrow upper-wide inverted conical surface structure, the shape of the inverted conical surface structure in the module shell is the same as that of the inverted conical surface structure at the lower end of the module bottom plate, and the size proportion relation is 1:0.85-0.95;
a plurality of stable supporting blocks are fixedly arranged between the inverted pyramid structure in the module shell and the inverted pyramid structure at the lower end of the module bottom plate;
the stable supporting block is made of hard rubber material.
Description: the inverted pyramid surface structure in the module shell and the inverted pyramid surface structure at the lower end of the module bottom plate can form a good stable relationship under the action of gravity, so that the structural strength of a single module shell is improved, and the integral stability of the river levee protection structure is facilitated.
Preferably, the inner side of the module shell is rounded along the edge in the vertical direction, and a lateral stabilizing block is fixedly arranged between one end of the reinforcing rib plate, which is close to the inner side wall of the module shell, and the inner side wall of the module shell;
the lateral stabilizing block is made of hard rubber material.
Description: the lateral stabilizing blocks are arranged to form a buffer zone between the reinforcing rib plates and the inner side wall of the module shell, so that the module shell is prevented from being damaged due to the phenomenon of stress concentration.
Preferably, the upper end of the module shell is provided with a plurality of water storage tanks with upward openings, and a plurality of water seepage small holes communicated with the inner side walls of the module shell are formed in the water storage tanks.
Description: when rainfall or artificial irrigation is carried out, a certain water source can be stored in the water storage tank, and a water supplementing effect can be achieved on plants planted in the module shell.
Preferably, the module shell is provided with a plurality of splicing fitting convex blocks and a plurality of splicing fitting grooves on the outer side wall, and the splicing fitting convex blocks and the splicing fitting grooves are arranged on the outer side surface of the module shell in a staggered mode at intervals.
Description: the adjacent module housings can be better secured together by utilizing the splice mating projections and splice mating grooves.
Preferably, the side wall of the module shell is provided with a splicing connecting hole which is internally and externally communicated, a clay connecting block is fixedly arranged in the splicing connecting hole, and the shearing strength of the clay connecting block is 20% -40% of that of the side wall of the module shell.
Description: by utilizing the spliced connecting holes and the clay connecting blocks, adjacent module shells can be well stabilized together, if the phenomena of foundation settlement and the like occur, dislocation occurs between the adjacent module shells, and then the clay connecting blocks can be broken and damaged at first, so that the module shells are prevented from being damaged.
Preferably, the tip of the anchor barb is inclined downwardly, i.e. the plane perpendicular to the axis of the anchor cylinder where the anchor barb is located away from the tip of the barb control slide bar is always lower than the plane perpendicular to the axis of the anchor cylinder where the end of the anchor barb connected by the living hinge is located.
Description: the barb control slide bar is taken out along the anchor post axis to anchor cap direction, just can conveniently take out from the soil around the anchor post with the anchor barb, is convenient for dismantle whole anchor post and come out recycle.
Preferably, the partition cylinder and the plurality of reinforcement ribs fixed to the partition cylinder partition the inside of the module case into a plurality of planting spaces for planting plants.
Description: various plants are planted in the module shell conveniently, the soil backfilled in the module shell is well fixed by utilizing the fixing effect of plant root systems, and the overall stability of the river levee protection structure can be further improved.
Preferably, the construction method of the spliced river levee slope ecological environment protection structure comprises the following steps:
s1, firstly repairing slope protection on two sides of a river channel into a slope with an inclination angle of 45-55 degrees, and repairing and flattening the surface of the slope;
s2, paving a plurality of composite material blocks on the surface of the slope to form a foundation layer, and paving 1-3 layers of composite material blocks on the surface of the slope;
s3, closely paving a module shell of the protection module on the ground layer, and driving anchor column bodies of the anchors into the fixed connection through holes so that the anchor column bodies are inserted into soil of river channel revetments;
s4, impacting the control slide bar from top to bottom to enable the barb control slide bar to drive the anchor barbs to pass through the barb through holes and then penetrate into the soil around the anchor column body;
s5, fixedly placing a reinforcing structure consisting of a module bottom plate, a separation cylinder and reinforcing rib plates in the module shell;
a stable supporting block is arranged between the lower end of the module bottom plate and the inner side wall of the module shell in a cushioning manner, and a lateral stable block is arranged between one end of the reinforcing rib plate, which is close to the inner side wall of the module shell, and the inner side wall of the module shell in a cushioning manner;
s6, backfilling soil into the module shell and tamping, wherein the backfill soil is 50% -70% of the height of the module shell;
s7, continuously backfilling soil into the module shell to enable the backfilled soil to be flush with the upper end face of the module shell, and planting plants in the backfilled soil;
the plant is selected from any one or more of the following: the composition comprises herba Selaginellae, flos Matricariae Chamomillae, herba Litseae Rubescens, flos Matricariae Chamomillae, herba Hedyotidis Diffusae, herba Cyperi, flos Lupuli, herba Gomphrenae, herba Cymbopogonis Citrari, herba Salvia officinalis, herba Erodii seu Geranii, african chrysanthemum, delphinium, and flos Pyrolae cornflower, blue flax, marigold, viola philippica, malachite, evening primrose, flos homalomenae, echinacea, and flos Pini colorful carnation, four seasons green bermuda grass, grass of poaceae, herba Calthae Calophylli, grass of alkali tha, zoysia japonica the grass consists of grass of Thymus pubescens, grass of Boenmeria gracilis, grass of Leptoradix Trigonellae, grass of Cynodon dactylon with red clover coating, grass of Cynodon dactylon with shell on slope protection, annual ryegrass, perennial ryegrass, grass of Lolium to be seen, grass of pennisetum hydridum, grass of Oryza sativa, grass of Astragalus sinicus, grass of Sudan, grass of Gaobanchus homodan, grass of Duchesnea winter pasture, grass of Philippica, sweet Mexico corn grass and alfalfa.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structural design and convenient operation, a plurality of module shells can be firmly spliced and assembled together to form the river levee protective structure, the reinforcing structure arranged in the module shells further improves the integral strength of the river levee protective structure, various plants can be conveniently planted in the module shells, the fixing effect of plant root systems is utilized to play a good role in fixing soil backfilled in the module shells, the integral stability of the river levee protective structure can be further improved, the river levee protective structure has good repairability, the integral construction is economical and practical, and the invention has good application prospect, and the modularized splicing construction mode can greatly improve the construction efficiency and shorten the construction period.
Drawings
FIG. 1 is a schematic view of a river levee structure in the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of a composite block of the present invention;
FIG. 4 is a front view of a protective module of the present invention;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
fig. 7 is a schematic view of the structure of the anchor according to the present invention.
In the figure, 10-basement layer, 11-composite material block, 12-outer shell layer, 13-composite sandwich layer, 20-protection module, 21-module shell, 211-steady supporting block, 212-aqua storage tank, 213-splice fitting projection, 214-splice fitting groove, 215-lateral steady block, 216-fixed connecting block, 217-fixed connecting through hole, 218-splice connecting hole, 219-clay connecting block, 22-reinforced structure, 221-module baseboard, 222-separating cylinder, 223-reinforced rib plate, 30-anchor, 31-anchor cylinder, 311-anchor tip, 312-barb through hole, 32-barb control slide bar, 33-anchor barb, 34-anchor cap, 90-river levee.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and for convenience of description, the following orientations will be defined: the vertical, horizontal, front, and rear directions described below are identical to the vertical, horizontal, front, and rear directions of the respective schematic structural diagrams or the projection relationship of the front view itself.
Example 1:
an ecological environment protection structure of an assembled river levee slope, as shown in figure 1, comprises a foundation layer 10 paved on the side surface of a river levee 90, and a protection module 20 paved on the foundation layer 10, wherein the protection module 20 is fixed by an anchor 30;
as shown in fig. 1, the foundation layer 10 is formed by laying a plurality of composite material blocks 11, and the composite material blocks 11 comprise two outer shell layers 12 and a composite interlayer 13 fixedly clamped between the two outer shell layers 12;
as shown in fig. 3, the composite material block 11 is pressed by a static press with a specification of 150 tons, the outer shell layer 12 is made of clay, the composite interlayer 13 is a mixture of clay and stones according to a volume ratio of 1:0.8, and the appearance size of the stones is 1cm.
As shown in fig. 4, the protection module 20 includes a module housing 21 having a hexagonal prism shape, and as shown in fig. 5, a reinforcement structure 22 is fixedly provided in the module housing 21;
the module shell 21 is integrally cast and formed by concrete, and a reinforcing steel bar frame is arranged in the module shell 21;
the upper end of the module housing 21 is provided with a plurality of water storage tanks 212 with upward openings, and the water storage tanks 212 are internally provided with a plurality of water seepage small holes communicated with the inner side wall of the module housing 21.
As shown in fig. 5, the reinforcing structure 22 includes a module bottom plate 221, a partition cylinder 222 with an upward opening is fixedly arranged at the top of the module bottom plate 221, and a plurality of reinforcing ribs 223 are fixedly arranged on the outer side wall of the partition cylinder 222;
the reinforced structure 22 composed of the module bottom plate 221, the separation cylinder 222 and the reinforced rib plates 223 is formed by concrete integral pouring, and a reinforcing steel bar frame is arranged in the reinforced structure 22;
the position in the module shell 21 close to the lower end is a lower-narrow upper-wide inverted conical surface structure, the edge of the lower end of the module bottom plate 221 is a lower-narrow upper-wide inverted conical surface structure, the shape of the inverted conical surface structure in the module shell 21 is the same as that of the inverted conical surface structure at the lower end of the module bottom plate 221, and the size proportion relation is 1:0.85;
a plurality of stable supporting blocks 211 are fixedly arranged between the inverted pyramid structure in the module shell 21 and the inverted pyramid structure at the lower end of the module bottom plate 221;
the steady support block 211 is a hard rubber material.
As shown in fig. 6, edges of the inner side of the module housing 21 in the vertical direction are rounded, and a lateral stabilizing block 215 is fixedly arranged between one end of the reinforcing rib 223, which is close to the inner side wall of the module housing 21, and the inner side wall of the module housing 21;
lateral stabilizing blocks 215 are a hard rubber material.
As shown in fig. 6, a plurality of fixing connection blocks 216 are provided in the module housing 21 near the lower end, and fixing connection holes 217 penetrating up and down are provided in the fixing connection blocks 216;
the outer side wall of the module housing 21 is provided with a plurality of splice fitting projections 213 and a plurality of splice fitting grooves 214, and the splice fitting projections 213 and the splice fitting grooves 214 are alternately arranged on the outer side surface of the module housing 21 at intervals.
The partition cylinder 222 and the plurality of reinforcement ribs 223 fixed to the partition cylinder 222 partition the inside of the module case 21 into a plurality of planting spaces 210 for planting plants.
As shown in fig. 7, the anchor 30 comprises a hollow anchor cylinder 31, the anchor cylinder 31 is provided with an anchor tip 311, a barb control slide bar 32 is arranged in the anchor cylinder 31 in a sliding fit manner along the axis direction of the anchor cylinder, and a plurality of anchor barbs 33 are connected to the barb control slide bar 32 in a movable hinge manner;
the side wall of the anchor post 31 is provided with a plurality of barb through holes 312 which are internally and externally penetrated, and anchor barbs 33 are inserted and matched in each barb through hole 312 in a one-to-one sliding way;
the tip of the anchor barb 33 is inclined downwards, i.e. the plane perpendicular to the axis of the anchor cylinder 31 where the tip of the anchor barb 33 remote from the barb control slide bar 32 is always lower than the plane perpendicular to the axis of the anchor cylinder 31 where the end of the anchor barb 33 connected by a living hinge is located.
An anchor cap 34 is fixedly arranged at the upper end of the anchor column 31, and the upper end of the barb control slide rod 32 extends upwards to penetrate through the anchor cap 34.
Example 2:
an ecological environment protection structure of an assembled river levee slope, as shown in figure 1, comprises a foundation layer 10 paved on the side surface of a river levee 90, and a protection module 20 paved on the foundation layer 10, wherein the protection module 20 is fixed by an anchor 30;
as shown in fig. 1, the foundation layer 10 is formed by laying a plurality of composite material blocks 11, and the composite material blocks 11 comprise two outer shell layers 12 and a composite interlayer 13 fixedly clamped between the two outer shell layers 12;
as shown in fig. 3, the composite material block 11 is pressed by a static press with a specification of 400 tons, the outer shell layer 12 is made of clay, the composite interlayer 13 is a mixture of clay and stones according to a volume ratio of 1:1.2, and the appearance size of the stones is 5cm.
As shown in fig. 4, the protection module 20 includes a module housing 21 having a hexagonal prism shape, and as shown in fig. 5, a reinforcement structure 22 is fixedly provided in the module housing 21;
the module shell 21 is integrally cast and formed by concrete, and a reinforcing steel bar frame is arranged in the module shell 21;
the upper end of the module housing 21 is provided with a plurality of water storage tanks 212 with upward openings, and the water storage tanks 212 are internally provided with a plurality of water seepage small holes communicated with the inner side wall of the module housing 21.
As shown in fig. 5, the reinforcing structure 22 includes a module bottom plate 221, a partition cylinder 222 with an upward opening is fixedly arranged at the top of the module bottom plate 221, and a plurality of reinforcing ribs 223 are fixedly arranged on the outer side wall of the partition cylinder 222;
the reinforced structure 22 composed of the module bottom plate 221, the separation cylinder 222 and the reinforced rib plates 223 is formed by concrete integral pouring, and a reinforcing steel bar frame is arranged in the reinforced structure 22;
the position in the module shell 21 close to the lower end is a lower-narrow upper-wide inverted conical surface structure, the edge of the lower end of the module bottom plate 221 is a lower-narrow upper-wide inverted conical surface structure, the shape of the inverted conical surface structure in the module shell 21 is the same as that of the inverted conical surface structure at the lower end of the module bottom plate 221, and the size proportion relation is 1:0.95;
a plurality of stable supporting blocks 211 are fixedly arranged between the inverted pyramid structure in the module shell 21 and the inverted pyramid structure at the lower end of the module bottom plate 221;
the steady support block 211 is a hard rubber material.
As shown in fig. 6, edges of the inner side of the module housing 21 in the vertical direction are rounded, and a lateral stabilizing block 215 is fixedly arranged between one end of the reinforcing rib 223, which is close to the inner side wall of the module housing 21, and the inner side wall of the module housing 21;
lateral stabilizing blocks 215 are a hard rubber material.
As shown in fig. 6, a plurality of fixing connection blocks 216 are provided in the module housing 21 near the lower end, and fixing connection holes 217 penetrating up and down are provided in the fixing connection blocks 216;
as shown in fig. 1, the side wall of the module housing 21 is provided with a splicing connecting hole 218 which is internally and externally penetrated, and a clay connecting block 219 is fixedly arranged in the splicing connecting hole 218, and the shearing strength of the clay connecting block 219 is 20% of the shearing strength of the side wall of the module housing 21.
The partition cylinder 222 and the plurality of reinforcement ribs 223 fixed to the partition cylinder 222 partition the inside of the module case 21 into a plurality of planting spaces 210 for planting plants.
As shown in fig. 7, the anchor 30 comprises a hollow anchor cylinder 31, the anchor cylinder 31 is provided with an anchor tip 311, a barb control slide bar 32 is arranged in the anchor cylinder 31 in a sliding fit manner along the axis direction of the anchor cylinder, and a plurality of anchor barbs 33 are connected to the barb control slide bar 32 in a movable hinge manner;
the side wall of the anchor post 31 is provided with a plurality of barb through holes 312 which are internally and externally penetrated, and anchor barbs 33 are inserted and matched in each barb through hole 312 in a one-to-one sliding way;
the tip of the anchor barb 33 is inclined downwards, i.e. the plane perpendicular to the axis of the anchor cylinder 31 where the tip of the anchor barb 33 remote from the barb control slide bar 32 is always lower than the plane perpendicular to the axis of the anchor cylinder 31 where the end of the anchor barb 33 connected by a living hinge is located.
An anchor cap 34 is fixedly arranged at the upper end of the anchor column 31, and the upper end of the barb control slide rod 32 extends upwards to penetrate through the anchor cap 34.
Example 3:
the difference from example 2 is that the composite material block 11 is pressed by a hydrostatic press of 200 ton specification, the outer shell layer 12 is made of clay material, the composite interlayer 13 is a mixture of clay and cobble according to the volume ratio of 1:0.9, and the appearance size of the cobble is 3cm;
the shape of the inverted pyramid structure in the module shell 21 is the same as that of the inverted pyramid structure at the lower end of the module bottom plate 221, and the size proportion relation is 1:0.85;
the shear strength of the clay connecting block 219 is 40% of the shear strength of the side wall of the module case 21.
Example 4:
the difference from example 2 is that the composite material block 11 is pressed by a hydrostatic press of 300 tons specification, the outer shell layer 12 is made of clay material, the composite interlayer 13 is a mixture of clay and cobble according to a volume ratio of 1:1, and the appearance size of the cobble is 2cm;
the shape of the inverted pyramid structure in the module shell 21 is the same as that of the inverted pyramid structure at the lower end of the module bottom plate 221, and the size proportion relation is 1:0.9;
the shear strength of the clay connecting block 219 is 30% of the shear strength of the side wall of the module case 21.
Example 5:
the construction method of the ecological environment protection structure of the spliced river levee slope according to any one of the embodiments 1 to 4 comprises the following steps:
s1, firstly repairing slope protection on two sides of a river channel into a slope with an inclination angle of 45 degrees, and repairing and flattening the surface of the slope;
s2, paving a plurality of composite material blocks 11 on the slope surface to form a foundation layer 10, and paving 1 layer of composite material blocks 11 on the slope surface;
s3, closely paving the module shell 21 of the protection module 20 on the foundation layer 10, and driving the anchor post 31 of the anchor 30 into the fixed connection through hole 217 so that the anchor post 31 is inserted into the soil of the river slope protection;
s4, impacting the control slide bar 32 from top to bottom, so that the barb control slide bar 32 drives the anchor barbs 33 to pass through the barb through holes 312 and then penetrate into the soil around the anchor column 31;
s5, fixedly placing a reinforcing structure 22 consisting of a module bottom plate 221, a separation cylinder 222 and a reinforcing rib plate 223 in the module shell 21;
a stable supporting block 211 is arranged between the lower end of the module bottom plate 221 and the inner side wall of the module shell 21 in a cushioning manner, and a lateral stable block 215 is arranged between one end of the reinforcing rib plate 223, which is close to the inner side wall of the module shell 21, and the inner side wall of the module shell 21 in a cushioning manner;
s6, backfilling soil into the module shell 21 and tamping, wherein the backfilling soil is 50% of the height of the module shell 21;
s7, continuously backfilling soil into the module shell 21 so that the backfilled soil is level with the upper end face of the module shell 21, and planting small daisy, coreopsis tinctoria, willowherb, sulfured chrysanthemum, black heart chrysanthemum, zinnia, robusta, goldfish grass, carnation, african chrysanthemum, delphinium, wild flower combination, cornflower, blue flower flax, marigold, viola yezoensis, perennial ryegrass, sweet grass barley grass, pennisetum hydridum, high-iceness high-danshen grass, dumosla herb winter grazing, poncho grass purple sweet potato, meissmock mexico corn grass in the backfilled soil.
Example 6:
the construction method of the ecological environment protection structure of the spliced river levee slope according to any one of the embodiments 1 to 4 comprises the following steps:
s1, firstly repairing slope protection on two sides of a river channel into a slope with an inclination angle of 55 degrees, and repairing and flattening the surface of the slope;
s2, paving a plurality of composite material blocks 11 on the surface of a slope to form a foundation layer 10, and paving 2 layers of composite material blocks 11 on the surface of the slope;
s3, closely paving the module shell 21 of the protection module 20 on the foundation layer 10, and driving the anchor post 31 of the anchor 30 into the fixed connection through hole 217 so that the anchor post 31 is inserted into the soil of the river slope protection;
s4, impacting the control slide bar 32 from top to bottom, so that the barb control slide bar 32 drives the anchor barbs 33 to pass through the barb through holes 312 and then penetrate into the soil around the anchor column 31;
s5, fixedly placing a reinforcing structure 22 consisting of a module bottom plate 221, a separation cylinder 222 and a reinforcing rib plate 223 in the module shell 21;
a stable supporting block 211 is arranged between the lower end of the module bottom plate 221 and the inner side wall of the module shell 21 in a cushioning manner, and a lateral stable block 215 is arranged between one end of the reinforcing rib plate 223, which is close to the inner side wall of the module shell 21, and the inner side wall of the module shell 21 in a cushioning manner;
s6, backfilling soil into the module shell 21 and tamping, wherein the backfilling soil is 70% of the height of the module shell 21;
s7, continuously backfilling soil into the module shell 21 so that the backfilled soil is level with the upper end surface of the module shell 21, and planting willow herb, sulfurated chrysanthemum, black core chrysanthemum, zinnia, lukea, goldfish, carnation, flower arris grass, sage, feverfew, african chrysanthemum, delphinium, wild flower combination, cornflower, blue flax, marigold, herba et Gemma Agrimoniae, poa pratensis, herba Calthae, alkali grass zoysia, grass teff, green grass wild cow grass, white clover, red coated bermuda grass, slope protection festuca strip shell bermudagrass, slope protection rye shelling bermudagrass, alkali grass purple sweet potato, lumeike mexico, alfalfa.
Example 7:
the construction method of the ecological environment protection structure of the spliced river levee slope according to any one of the embodiments 1 to 4 comprises the following steps:
s1, firstly repairing slope protection on two sides of a river channel into a slope with an inclination angle of 50 degrees, and repairing and flattening the surface of the slope;
s2, paving a plurality of composite material blocks 11 on the surface of a slope to form a foundation layer 10, and paving 3 layers of composite material blocks 11 on the surface of the slope;
s3, closely paving the module shell 21 of the protection module 20 on the foundation layer 10, and driving the anchor post 31 of the anchor 30 into the fixed connection through hole 217 so that the anchor post 31 is inserted into the soil of the river slope protection;
s4, impacting the control slide bar 32 from top to bottom, so that the barb control slide bar 32 drives the anchor barbs 33 to pass through the barb through holes 312 and then penetrate into the soil around the anchor column 31;
s5, fixedly placing a reinforcing structure 22 consisting of a module bottom plate 221, a separation cylinder 222 and a reinforcing rib plate 223 in the module shell 21;
a stable supporting block 211 is arranged between the lower end of the module bottom plate 221 and the inner side wall of the module shell 21 in a cushioning manner, and a lateral stable block 215 is arranged between one end of the reinforcing rib plate 223, which is close to the inner side wall of the module shell 21, and the inner side wall of the module shell 21 in a cushioning manner;
s6, backfilling soil into the module shell 21 and tamping, wherein the backfilling soil is 60% of the height of the module shell 21;
s7, continuously backfilling soil into the module shell 21 so that the backfilled soil is flush with the upper end surface of the module shell 21, and planting the microcystis duplica, delphinium, netherlands, pergola, salacia, sulfurated chrysanthemum, black-heart chrysanthemum, zinnia, robusta, feverfew, delphinium, wild flower combination, cornflower, blue flax, marigold, viola, malachita, merosal, millettia, perennial echinacea, five-color caryophyllus, white clover, red clover coated bermudagrass, slope protection fescue with shells, slope protection ryegrass with husked bermudagrass, annual ryegrass, perennial ryegrass, sweet grass barley grass, glabrous greenbrier, mexico and alfalfa.
Claims (7)
1. The ecological environment protection structure for the spliced river levee slope is characterized by comprising a foundation layer (10) paved on the side surface of a river levee (90), and a protection module (20) paved on the foundation layer (10), wherein the protection module (20) is fixed by an anchor nail (30);
the foundation layer (10) is formed by paving a plurality of composite material blocks (11), and the composite material blocks (11) comprise two outer shell layers (12) and a composite interlayer (13) fixedly clamped between the two outer shell layers (12);
the protection module (20) comprises a hexagonal prism-shaped module shell (21), and a reinforcing structure (22) is fixedly arranged in the module shell (21);
the reinforcing structure (22) comprises a module bottom plate (221), a separation cylinder (222) with an upward opening is fixedly arranged at the top of the module bottom plate (221), and a plurality of reinforcing rib plates (223) are fixedly arranged on the outer side wall of the separation cylinder (222);
a plurality of fixed connection blocks (216) are arranged in the module shell (21) at positions close to the lower end, and fixed connection through holes (217) which are vertically communicated are formed in the fixed connection blocks (216);
the position, close to the lower end, in the module shell (21) is a lower-narrow upper-wide inverted pyramid structure, the edge of the lower end of the module bottom plate (221) is a lower-narrow upper-wide inverted pyramid structure, and the inverted pyramid structure in the module shell (21) is the same as the inverted pyramid structure at the lower end of the module bottom plate (221) in shape and in a size proportion relationship of 1:0.85-0.95;
a plurality of stable supporting blocks (211) are fixedly arranged between the inverted conical surface structure in the module shell (21) and the inverted conical surface structure at the lower end of the module bottom plate (221);
the stable supporting block (211) is made of hard rubber material;
the inner side of the module shell (21) is subjected to chamfering along the edge in the vertical direction, and a lateral stabilizing block (215) is fixedly arranged between one end, close to the inner side wall of the module shell (21), of the reinforcing rib plate (223) and the inner side wall of the module shell (21);
the lateral stabilizing blocks (215) are of a hard rubber material;
the side wall of the module shell (21) is provided with a splicing connecting hole (218) which is internally and externally penetrated, a clay connecting block (219) is fixedly arranged in the splicing connecting hole (218), and the shearing strength of the clay connecting block (219) is 20% -40% of the shearing strength of the side wall of the module shell (21);
the anchor (30) comprises a hollow anchor column body (31), the anchor column body (31) is provided with an anchor tip (311), a barb control slide rod (32) is arranged in the anchor column body (31) in a sliding fit manner along the axis direction of the anchor column body, and a plurality of anchor barbs (33) are connected to the barb control slide rod (32) in a movable hinge manner;
the side wall of the anchor post body (31) is provided with a plurality of barb through holes (312) which are internally and externally communicated, and the anchor barbs (33) are inserted into the barb through holes (312) in a one-to-one and sliding fit manner;
an anchor cap (34) is fixedly arranged at the upper end of the anchor column body (31), and the upper end of the barb control slide rod (32) extends upwards to penetrate through the anchor cap (34).
2. The spliced river levee slope ecological environment protection structure of claim 1, wherein: the composite material block (11) is formed by pressing under high pressure, the outer shell layer (12) is made of clay, the composite interlayer (13) is a mixture of clay and stones according to a volume ratio of 1:0.8-1.2, and the appearance size of the stones is 1-5 cm.
3. The spliced river levee slope ecological environment protection structure of claim 1, wherein: the upper end of the module shell (21) is provided with a plurality of water storage tanks (212) with upward openings, and a plurality of water seepage small holes communicated with the inner side walls of the module shell (21) are formed in the water storage tanks (212).
4. The spliced river levee slope ecological environment protection structure of claim 1, wherein: the module comprises a module shell (21), wherein a plurality of splicing fitting convex blocks (213) and a plurality of splicing fitting grooves (214) are formed in the outer side wall of the module shell (21), and the splicing fitting convex blocks (213) and the splicing fitting grooves (214) are arranged on the outer side face of the module shell (21) in a staggered mode at intervals.
5. The spliced river levee slope ecological environment protection structure of claim 1, wherein: the tip of the anchor barb (33) is inclined downwards, namely, the plane perpendicular to the axis of the anchor cylinder (31) where the tip of the anchor barb (33) far away from the barb control slide rod (32) is always lower than the plane perpendicular to the axis of the anchor cylinder (31) where one end connected with the anchor barb (33) through a movable hinge is located.
6. The spliced river levee slope ecological environment protection structure of claim 1, wherein: the partition cylinder (222) and the plurality of reinforcement ribs (223) fixed to the partition cylinder (222) partition the inside of the module case (21) into a plurality of planting spaces (210) for planting plants.
7. The construction method of the spliced river levee slope ecological environment protection structure according to any one of claims 1 to 6, which is characterized by comprising the following steps:
s1, firstly repairing slope protection on two sides of a river channel into a slope with an inclination angle of 45-55 degrees, and repairing and leveling the surface of the slope;
s2, paving a plurality of composite material blocks (11) on the surface of a slope to form a foundation layer (10), wherein 1-3 layers of composite material blocks (11) are paved on the surface of the slope;
s3, closely paving a module shell (21) of the protection module (20) on the foundation layer (10), and driving an anchor column body (31) of an anchor (30) into the fixed connection through hole (217) so that the anchor column body (31) is inserted into soil of a river slope;
s4, impacting the barb control slide bar (32) from top to bottom, so that the barb control slide bar (32) drives a plurality of anchor barbs (33) to pass through barb through holes (312) and then penetrate into the soil around the anchor column (31);
s5, fixedly arranging a reinforcing structure (22) consisting of a module bottom plate (221), a separation cylinder (222) and a reinforcing rib plate (223) in the module shell (21);
a stable supporting block (211) is arranged between the lower end of the module bottom plate (221) and the inner side wall of the module shell (21), and a lateral stable block (215) is arranged between one end, close to the inner side wall of the module shell (21), of the reinforcing rib plate (223) and the inner side wall of the module shell (21);
s6, backfilling soil into the module shell (21) and tamping, wherein the backfilling soil is 50% -70% of the height of the module shell (21);
and S7, continuously backfilling soil into the module shell (21) to enable the backfilled soil to be flush with the upper end face of the module shell (21), and planting plants in the backfilled soil.
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| JP2000140787A (en) * | 1998-11-04 | 2000-05-23 | World Engineering Kk | Cut-off protecting construction of slope |
| CN206090563U (en) * | 2016-10-19 | 2017-04-12 | 四川建筑职业技术学院 | Earth anchor device with barb |
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