CN215329942U - Prefabricated ecological bank protection - Google Patents
Prefabricated ecological bank protection Download PDFInfo
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- CN215329942U CN215329942U CN202022848503.8U CN202022848503U CN215329942U CN 215329942 U CN215329942 U CN 215329942U CN 202022848503 U CN202022848503 U CN 202022848503U CN 215329942 U CN215329942 U CN 215329942U
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- prefabricated
- slope
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- slope protection
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- 239000011435 rock Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000758 substrate Substances 0.000 abstract description 8
- 239000003337 fertilizer Substances 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000009991 scouring Methods 0.000 abstract description 3
- 230000004083 survival effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 46
- 244000025254 Cannabis sativa Species 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic engineering slope protection, in particular to a prefabricated ecological slope protection. The prefabricated ecological slope protection is applied to a rock slope and comprises a connecting layer and a base material layer; the connecting layer comprises a plurality of precast blocks, a plurality of anchor rods and a plurality of cast-in-place concrete blocks, the precast blocks are laid on the rock slope, the anchor rods are driven into the rock slope, and the precast blocks and the anchor rods are connected through the cast-in-place concrete blocks to form the connecting layer; the substrate layer contains soil, fertilizer and plant seed, and the substrate layer is spouted to prefabricated section inside and surface. The prefabricated ecological slope protection utilizes the porosity of the sand-free concrete to provide infiltration and drainage channels for accumulated water on the slope surface, and can weaken the scouring of water power on the soil of the substrate layer; by utilizing the attachment advantages of vegetation soil and roots inside and on the surface of the connecting layer, the plant survival is guaranteed, the splash erosion of rainfall on the slope surface can be weakened, and the soil particle loss is controlled.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering slope protection, in particular to a prefabricated ecological slope protection.
Background
Ecological revetment is a technology for reducing instability and erosion phenomena of engineering slopes by using living plants alone, plants in combination with civil engineering measures, or living plant materials. The TBS technology is characterized in that an improved concrete sprayer is used for spraying a uniformly mixed thick-layer base material mixture to a rock slope according to the designed thickness, and the purposes of slope protection and ecological environment improvement are achieved through mechanical reinforcement of vegetation root systems and hydrological effects of aboveground biomass. Slope protection greening using TBS technology can reduce slope pore water pressure, intercept rainfall, weaken splash erosion and control soil particle loss, but the existing TBS ecological slope protection technology is generally remarkable in soil slope effect and not beneficial to protection on rock slopes, and when applied to rock slopes, the slope protection effect is poor, and the rock slopes are steep and inconvenient to construct.
Disclosure of Invention
The utility model provides a prefabricated ecological slope protection with good effect and convenient construction, which aims to solve the problems of applying the TBS ecological slope protection technology on a rock slope and improve the slope protection effect when the TBS ecological slope protection technology is applied on the rock slope.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a prefabricated ecological slope protection is applied to a rock slope and comprises a connecting layer and a base material layer; the connecting layer comprises a plurality of precast blocks, a plurality of anchor rods and a plurality of cast-in-place concrete blocks, the precast blocks are laid on the rock slope, the anchor rods are driven into the rock slope, and the precast blocks and the anchor rods are connected through the cast-in-place concrete blocks to form the connecting layer; the substrate layer contains soil, fertilizer and plant seed, and the substrate layer is spouted to prefabricated section inside and surface.
Furthermore, six a set of prefabricated sections are cyclic annular and lay on domatic, and the stock setting is at six prefabricated section central authorities, and central authorities pour the concrete and form cast in situ concrete piece, connect six prefabricated sections and stock and form a unit connection layer, and the bank protection articulamentum is constituteed on a plurality of unit connection layer.
Furthermore, the prefabricated block is a hexagonal block with the side length of 15cm and the thickness of 5 cm.
Furthermore, the precast block is made of sand-free concrete, and the sand-free concrete adopts broken stone aggregate with the particle size of 16-31.5 mm; the cement strength rating of the sand-free concrete is 42.5; the mixing proportion of the sand-free concrete is as follows: the ratio of water to cement is 1:4, and the ratio of ash to bone is 1: 5.
Further, the base material of the base material layer comprises mixed soil, fertilizer and grass seeds, and a vegetation layer is formed after the grass seeds grow.
The utility model has the beneficial effects that: the porosity of the sand-free concrete is utilized to provide infiltration and drainage channels for accumulated water on the slope surface, and the scouring of water power to the soil of the substrate layer is weakened; by utilizing the attachment advantages of vegetation soil and roots in the interior and on the surface of the connecting layer, the survival of plants is guaranteed, the problems of the TBS ecological slope protection technology applied to the rocky side slope are effectively solved, and the slope protection effect of the TBS ecological slope protection technology applied to the rocky side slope can be improved; by utilizing the characteristics of the vegetation, the splash erosion of rainfall on the slope can be weakened, and the soil particle loss is controlled; the stability of the prefabricated ecological slope protection structure can be enhanced by utilizing the mechanical property of the anchor rod and the cast-in-place concrete structure.
Drawings
Fig. 1 is a schematic structural view of a prefabricated ecological slope protection in an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the connection layer in fig. 1.
Fig. 3 is an enlarged structural view of one cell connecting layer in fig. 2.
Fig. 4 is a schematic view of a use state of the prefabricated ecological slope protection in the embodiment of the present invention after the construction is completed.
The reference signs explain: 1-basal rock layer, 2-connecting layer, 201-prefabricated block, 202-cast-in-place concrete block, 203-anchor rod, 3-base material layer, 301-vegetation layer and 4-drainage ditch.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
The prefabricated ecological protection slope shown in the figure 1-4 is applied to a rock slope with a slope ratio of 1: 0.3-1: 0.75, and comprises a connecting layer 2 and a base material layer 3; the connecting layer 2 comprises a plurality of precast blocks 201, a plurality of anchor rods 203 and a plurality of cast-in-place concrete blocks 202, one anchor rod 203 plus the cast-in-place concrete block 202 is connected with six adjacent precast blocks 201 to form the connecting layer 2, the connecting layer 2 is laid on a foundation layer 1 of a rock slope, and the anchor rod 203 plus the cast-in-place concrete block 202 is driven into the foundation layer 1 to reproduce cast concrete, so that the connecting layer 2 and the foundation layer are fixed; the base material of the base material layer 3 consists of mixed soil, fertilizer and grass seeds, and the base material layer 3 is sprayed to the inside and the surface of the connecting layer 2; the grass seeds form a vegetation layer 301 after growing, and the roots of the vegetation layer 301 are attached to the connecting layer 2, so that soil loss can be prevented.
The prefabricated blocks 201 are hexagonal, one anchor rod 203, the cast-in-place concrete block 202 and six adjacent prefabricated blocks 201 are connected to form a unit connecting layer for planting, and the plurality of unit connecting layers form a complete slope connecting layer.
Wherein, prefabricated section 201 is made by no sand concrete, and the cement strength of no sand concrete is 42.5, and the mix proportion of no sand concrete: the ratio of water to cement is 1:4, and the ratio of ash to bone is 1: 5. The aggregate grain diameter of the sand-free concrete is 16-31.5 mm. The sand-free concrete has porosity, can provide infiltration and drainage channels for accumulated water on the slope, and weakens the scouring of water power on the soil of the substrate layer 3.
The utility model adopts the sand-free concrete with the water-cement ratio of 1:4 and the cement-bone ratio of 1:5 to carry out the test; the test was divided into 6 groups, 6 samples were taken from each group, the effective porosity measured for the 6 samples of each group was averaged, and the results are shown in table 1.
Table 1:
considering the factors of the volume, the weight and the effective porosity of the precast block comprehensively, the precast block with the thickness of 5cm and the side length of 15cm is preferred in the embodiment; this prefabricated section preparation is convenient, and the effective porosity of this prefabricated section is up to 89%, and the prefabricated ecological bank protection of constituteing by this prefabricated section permeates water effectually, is favorable to weakening the splash erosion, and the control soil grain flows, more is favorable to grass seeds to adhere to the growth, reaches better bank protection effect.
The following steps are adopted during the construction of the prefabricated ecological slope protection of the embodiment:
(1) firstly, a hexagonal mold with the side length of 15cm and the thickness of 5cm is customized according to the prefabricated block style, and then a plurality of prefabricated blocks 201 are produced by utilizing the mold.
(2) Paving the processed precast blocks 201 on a basement layer 1 of the rock slope in an annular manner according to a group of six precast blocks by a vertical lifter, driving an anchor rod 203 into the basement layer 1 from the center of the annularly paved precast blocks, and then casting common concrete in situ; anchor pole 203 adds cast in situ concrete's structure, connects six adjacent prefabricated section 201 and fixes, makes a unit connection layer, and a plurality of unit connection layers constitute complete bank protection articulamentum 2.
(3) Spraying the base material mixed with soil, fertilizer and grass seeds onto the connecting layer 2, wherein the soil, the fertilizer and the grass seeds can be attached to the surface layer and the surface of the prefabricated block 201 to form a base material layer 3; soil, fertilizer and grass seeds are attached to the prefabricated block 201, so that the grass seeds can grow conveniently, and the survival rate of the grass seeds can be improved.
(4) Covering the substrate layer 3 with non-woven fabrics, and carrying out planting and maintenance; the root system adheres to the connecting layer 2 after the grass seeds grow, the adhesive force is enhanced, the splash erosion of rainfall on the slope surface can be weakened, and the soil particle loss is controlled.
(5) After the construction of the prefabricated ecological slope protection is finished, drainage ditches 4 are dug at the top and the bottom of the slope.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A prefabricated ecological slope protection is applied to a rock slope and comprises a connecting layer and a base material layer; the method is characterized in that: the connecting layer comprises a plurality of precast blocks, a plurality of anchor rods and a plurality of cast-in-place concrete blocks, the precast blocks are laid on the rock slope, the anchor rods are driven into the rock slope, and the precast blocks and the anchor rods are connected through the cast-in-place concrete blocks to form the connecting layer; spraying the base material layer into the precast block and on the surface of the precast block;
wherein, six a set ofly of prefabricated section are cyclic annular and lay on domatic, and the stock setting is at six prefabricated section central authorities, and central authorities pour the concrete and form cast-in-place concrete piece, connect six prefabricated sections and stock and form a unit connection layer, and slope protection articulamentum is constituteed on a plurality of unit connection layer.
2. The prefabricated ecological slope protection of claim 1, wherein: the prefabricated block is a hexagonal block with the side length of 15cm and the thickness of 5 cm.
3. The prefabricated ecological slope protection of claim 1, wherein: the precast block is made of sand-free concrete, and the sand-free concrete adopts broken stone aggregate with the particle size of 16-31.5 mm; the cement strength rating for the sand free concrete was 42.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848503.8U CN215329942U (en) | 2020-12-01 | 2020-12-01 | Prefabricated ecological bank protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848503.8U CN215329942U (en) | 2020-12-01 | 2020-12-01 | Prefabricated ecological bank protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329942U true CN215329942U (en) | 2021-12-28 |
Family
ID=79544989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022848503.8U Expired - Fee Related CN215329942U (en) | 2020-12-01 | 2020-12-01 | Prefabricated ecological bank protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329942U (en) |
-
2020
- 2020-12-01 CN CN202022848503.8U patent/CN215329942U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |