CN112681227A - Method for ecologically improving concrete bank slope of river channel - Google Patents
Method for ecologically improving concrete bank slope of river channel Download PDFInfo
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- CN112681227A CN112681227A CN202011536704.2A CN202011536704A CN112681227A CN 112681227 A CN112681227 A CN 112681227A CN 202011536704 A CN202011536704 A CN 202011536704A CN 112681227 A CN112681227 A CN 112681227A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Abstract
The application relates to the field of embankment slope modification, and particularly discloses a method for ecological modification of a concrete embankment slope of a river channel. A method for ecologically reconstructing a concrete bank slope of a river channel is characterized by comprising the following steps: the method comprises the following steps: step 01), cutting planting holes on the concrete embankment slope according to a design drawing; step 02), pouring nutrient solution into the planting holes; step 03), putting earthworms into the planting holes; step 04), sealing the planting holes by using a light-transmitting plate, and maintaining for 7-14 days; step 05), unloading the light-transmitting plate and planting green plants; step 06), placing the blocky porous material in the soil of the planting hole until the blocky porous material completely covers the surface of the soil in the planting hole; step 07), infiltrating an adhesive into the joint of the adjacent porous materials and the joint of the porous materials and the inner wall of the planting hole; the nutrient solution comprises the following components in parts by mass: 100 parts of water; 1.5-2.5 parts of beer; 0.03-0.05 part of microbial agent. It has the advantage that the degree of difficulty of the operation of loosening the soil has been reduced.
Description
Technical Field
The application relates to the field of embankment slope reconstruction, in particular to a method for reconstructing an ecological type of a concrete embankment slope of a river channel.
Background
The embankment slope is an important measure for protecting slope soil and avoiding water and soil loss caused by the fact that the soil is washed away by a river channel, and the embankment slope has various types, such as a concrete embankment slope, an ecological greening embankment slope and the like.
The concrete embankment slope is simple to construct and long in timeliness, becomes a general embankment type, and only concrete needs to be poured on the side slope soil of a river channel to form the concrete embankment slope, so that the scouring action of the river can be blocked and offset by the concrete embankment slope, the soil is protected by a concrete structure, and water and soil loss is avoided.
However, although the concrete embankment slope has good effect and convenient construction, the coverage rate of green plants is reduced, and the concrete embankment slope cannot pass through the green plants, so that the waste of land resources is caused, and therefore more and more concrete embankment slopes need to be reformed into ecological greening embankment slopes.
When the concrete embankment slope is transformed into an ecological greening embankment slope, planting holes are mainly drilled in the concrete embankment slope, and then green plants are planted in the planting holes.
However, the inventor finds that the above scheme has the defects that the soil is squeezed by a concrete structure for a long time, and is lack of rainwater supplement after being sealed, so that the soil is dry and hardened and is not suitable for planting green plants, and the soil in the planting holes at least needs to be subjected to soil loosening treatment to be planted.
Disclosure of Invention
In order to reduce the difficulty of soil loosening operation of planting holes, the application provides a method for ecological modification of a concrete bank slope of a river channel.
The application provides a method for ecological reconstruction of a concrete bank slope of a river channel, which adopts the following technical scheme:
a method for ecologically reconstructing a concrete bank slope of a river comprises the following steps:
step 01), cutting planting holes on the concrete embankment slope according to a design drawing;
step 02), pouring nutrient solution into the planting holes;
step 03), putting earthworms into the planting holes;
step 04), sealing the planting holes by using a light-transmitting plate, and maintaining for 7-14 days;
step 05), unloading the light-transmitting plate and planting green plants;
step 06), placing the blocky porous material in the soil of the planting hole until the blocky porous material completely covers the surface of the soil in the planting hole;
step 07), infiltrating an adhesive into the joint of the adjacent porous materials and the joint of the porous materials and the inner wall of the planting hole;
the nutrient solution comprises the following components in parts by mass:
100 parts of water;
1.5-2.5 parts of beer;
0.03-0.05 part of microbial agent.
By adopting the technical scheme, the nutrient solution is poured into the planting holes, the beer is used for providing nutrient substances, the nutrient substances are decomposed by the microorganisms to generate fertilizer components required by the soil, the soil is moistened by supplementing water, the ecological environment of the soil is improved by the microorganisms, so that the content of various elements in the soil is balanced, the soil structure is effectively repaired, the microorganisms can generate gas when decomposing the nutrient substances, the soil can be propped open to a certain extent by the gas, the soil is recovered to be in a loose state, the earthworms crawl in the soil, the soil loosening effect is good, the soil is not loosened in a physical mode, the labor intensity is reduced, the inconvenience caused when the soil is loosened by digging the soil in a narrow space is avoided, and the difficulty of soil loosening operation is greatly reduced;
meanwhile, the earthworms swallow nutrient substances to discharge excrement, and the microorganisms decompose and discharge excrement, so that fertilizer is further provided for the soil, the soil is suitable for planting green plants, the survival rate of the green plants is effectively improved, and the hardening of the soil is improved;
by adopting the light-transmitting plate to seal the planting hole, the situation that the effect of improving soil is poor due to dilution of nutrient solution caused by river water entering the planting hole is reduced, meanwhile, illumination can be irradiated on the soil, the temperature of the soil is increased, the activity of microorganisms is better activated, the microorganisms can be rapidly propagated and grown in a warm environment, the soil in the planting hole is rapidly improved, and an ecological environment suitable for plant growth is rapidly formed;
through adopting massive porous material to cover soil and adopting the adhesive to connect for porous material stably covers in the soil top, reduces the condition of taking away soil when river water erodees, absorbs water through porous material simultaneously, plays the effect of retaining, makes soil can keep suitable moist state for a long time, is favorable to the survival of plant.
Preferably, in the step 01), the cross section of the planting hole is circular.
By adopting the technical scheme, the cross section of the planting hole is circular, so that the porous material is easier to fit with the hole wall of the planting hole, and the effect of covering soil is better.
Preferably, in the step 01), the minimum distance between adjacent planting holes is 10-30 cm.
Through adopting above-mentioned technical scheme, through the interval of restriction adjacent planting hole, guarantee the afforestation area, effectively utilize green planting to change into the river water simultaneously and erode, reduce the wearing and tearing to the dyke slope.
Preferably, in the step 01), the diameter of the planting hole is 30-50 cm.
By adopting the technical scheme, the diameter of the planting hole is limited, the requirement of planting green plants is met, and the situation that soil loss is serious due to overlarge planting holes is avoided.
Preferably, in the step 06), the average maximum particle size of the bulk porous material is 1-2 cm.
By adopting the technical scheme, the porous material with large particle size is adopted, so that the operation of fixing the porous material in the planting holes is more convenient, the water permeability and the air permeability are better, and the plant growth is facilitated.
Preferably, in the step 06), perlite is adopted as the blocky porous material.
By adopting the technical scheme, the perlite is adopted, so that the water absorption rate is higher, the water storage capacity is strong, and the plant growth is more facilitated.
Preferably, in the step 02), 200-250ml of nutrient solution is poured into each planting hole.
By adopting the technical scheme, through injecting quantitative nutrient solution, sufficient microorganisms are ensured to improve the soil, and meanwhile, the nutrient substances are added too much, so that the soil eutrophication is caused, and the condition of negative influence on the soil is reduced.
Preferably, in the step 07), the adhesive is hot melt adhesive.
Through adopting above-mentioned technical scheme, through adopting the hot melt adhesive for if the plant withers, the accessible heating makes porous material can take out, conveniently takes out withered plant with the change, makes the operation of changing the plant comparatively convenient.
In summary, the present application has the following beneficial effects:
1. because this application adopts to pour into the nutrient solution in planting the downthehole, utilize beer to provide nutrient substance, utilize the microorganism to decompose nutrient substance in order to produce the required fertilizer of soil, and through replenishing water, make soil moist, utilize the microorganism to improve the ecological environment of soil, thereby make various element content in the soil balanced, thereby effectively repair soil structure, and the microorganism can produce gas when decomposing nutrient substance, also can strut soil to a certain extent through gas, make soil recovery loose state, the cooperation earthworm crawls in soil, the effect of loosening the soil is preferred, need not to loosen the soil through the physical mode, and the intensity of labour is reduced, the inconvenience when excavating soil in order to loosen the soil in narrow and small space has been avoided simultaneously, the degree of difficulty of the operation of loosening the soil has been reduced by a wide margin.
2. Quantitative nutrient solution is preferably injected, sufficient microorganisms are guaranteed to improve the soil, meanwhile, nutrient substances are added too much, soil eutrophication is caused, and the condition that negative influence is caused on the soil is reduced.
3. The hot melt adhesive is preferably adopted in this application for if the plant withers, the accessible heating makes porous material can take out, conveniently takes out the withered plant with the change, makes the operation of changing the plant comparatively convenient.
Drawings
Fig. 1 is a process flow diagram of the method for ecologically modifying the concrete bank slope of the river channel.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
Example 1
A method for ecologically reconstructing a concrete bank slope of a river comprises the following steps:
step 01), marking and marking lines on the concrete embankment slope according to a design drawing, digging planting holes at corresponding positions, wherein the planting holes are circular and have the diameter of 30 cm, the planting holes are dug to penetrate through a concrete layer so as to completely leak soil, and the minimum distance between every two adjacent planting holes is 10 cm;
step 02), pouring 200ml of nutrient solution into each planting hole;
step 03), placing 2 earthworms in each planting hole;
step 04), sealing the planting holes by adopting light-transmitting plates, specifically, adopting acrylic plates, and fixedly connecting the acrylic plates through hot melt adhesive for 7 days;
step 05), heating the hot melt adhesive, canceling the fixation of the light-transmitting plate, detaching the light-transmitting plate, and then sowing the green plant seeds in the soil of the planting holes;
step 06), placing blocky porous materials in the soil of the planting holes, wherein the blocky porous materials are specifically perlite with the average maximum grain size of 1 cm, and the perlite is paved into three layers, and each layer completely covers the surface of the soil in the planting holes;
step 07), infiltrating an adhesive into the joints of the adjacent porous materials on the outermost layer and the joints of the porous materials and the inner walls of the planting holes, wherein the adhesive is specifically a hot melt adhesive so as to connect the porous materials on the outermost layer into a whole and be fixedly connected with the inner walls of the planting holes;
in this example, the preparation method of the nutrient solution was as follows: 1000g of water, 15g of beer and 0.3g of microbial agent were added to a container, the lid was closed, and the container was rapidly shaken for 1 minute to obtain a nutrient solution.
1000 planting holes are planted in the method, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 99.7%.
Example 2
Compared with the embodiment 1, the method for ecologically improving the concrete bank slope of the river channel only has the following differences:
step 01), marking and marking lines on the concrete embankment slope according to a design drawing, digging planting holes at corresponding positions, wherein the planting holes are circular, the diameter of each planting hole is 40 cm, the planting holes are dug to penetrate through a concrete layer so as to completely leak soil, and the minimum distance between every two adjacent planting holes is 20 cm;
step 02), pouring 220ml of nutrient solution into each planting hole;
step 04), sealing the planting holes by using light-transmitting plates, specifically, fixedly connecting the light-transmitting plates to the planting holes for 10 days by using acrylic plates through hot melt adhesives;
and 06), placing a blocky porous material in the soil of the planting holes, wherein the porous material is specifically formed by paving three layers of perlite with the average maximum particle size of 1.5 cm, and each layer completely covers the surface of the soil in the planting holes.
1000 planting holes are planted in the method, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 99.5%.
Example 3
Compared with the embodiment 1, the method for ecologically improving the concrete bank slope of the river channel only has the following differences:
step 01), marking and marking lines on the concrete embankment slope according to a design drawing, digging planting holes at corresponding positions, wherein the planting holes are circular, the diameter of each planting hole is 50 cm, the planting holes are dug to penetrate through a concrete layer so as to completely leak soil, and the minimum distance between every two adjacent planting holes is 30 cm;
step 02), pouring 250ml of nutrient solution into each planting hole;
step 04), sealing the planting holes by using light-transmitting plates, specifically, fixedly connecting the light-transmitting plates to the planting holes for 14 days by using acrylic plates through hot melt adhesives;
and 06), placing a blocky porous material in the soil of the planting holes, wherein the porous material is specifically formed by paving three layers of perlite with the average maximum particle size of 2 cm, and each layer completely covers the surface of the soil in the planting holes.
1000 planting holes are planted in the embodiment, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 99.8%.
Example 4
Compared with the embodiment 1, the method for ecologically improving the concrete bank slope of the river channel only has the following differences:
in this example, the preparation method of the nutrient solution was as follows: 1000g of water, 20g of beer and 0.4g of microbial inoculum were added to a container, the lid was closed, and the container was rapidly shaken for 1 minute to obtain a nutrient solution.
1000 planting holes are planted in the method, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 99.6%.
Example 5
Compared with the embodiment 1, the method for ecologically improving the concrete bank slope of the river channel only has the following differences:
in this example, the preparation method of the nutrient solution was as follows: 1000g of water, 25g of beer and 0.5g of microbial inoculum were added to a container, the lid was closed, and the container was rapidly shaken for 1 minute to obtain a nutrient solution.
1000 planting holes are planted in the embodiment, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 99.8%.
Comparative example 1
A method for ecologically reconstructing a concrete bank slope of a river comprises the following steps:
step 01), marking and marking lines on the concrete embankment slope according to a design drawing, digging planting holes at corresponding positions, wherein the planting holes are circular and have the diameter of 30 cm, the planting holes are dug to penetrate through a concrete layer so as to completely leak soil, and the minimum distance between every two adjacent planting holes is 10 cm;
step 02), loosening soil through a shovel;
step 03), sealing the planting holes by using light-transmitting plates, specifically, using acrylic plates, and fixedly connecting the acrylic plates through hot melt adhesive for 7 days;
step 04), heating the hot melt adhesive, canceling the fixation of the light-transmitting plate, detaching the light-transmitting plate, and then sowing the green plant seeds in the soil of the planting holes;
step 05), placing blocky porous materials in the soil of the planting holes, wherein the blocky porous materials are specifically perlite with the average maximum grain size of 1 cm, and the perlite is paved into three layers, and each layer completely covers the surface of the soil in the planting holes;
step 06), infiltrating an adhesive into the joints of the adjacent porous materials on the outermost layer and the joints of the porous materials and the inner walls of the planting holes, wherein the adhesive is specifically a hot melt adhesive so as to connect the porous materials on the outermost layer into a whole and fixedly connect the porous materials with the inner walls of the planting holes;
1000 planting holes are planted in the embodiment, each planting hole is only used for planting 3 red clover seeds, and after 3 months, the survival rate reaches 94.2%.
By adopting the method for ecologically improving the concrete bank slope of the river channel of the embodiment 1-5, the survival rate of green plants can be higher, and meanwhile, the soil can be loosened without adopting physical means, so that the swinging of shovels in a narrow space or the loosening of the soil by adopting equipment such as an excavator and the like can be avoided, the construction difficulty is reduced, and the construction efficiency is improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A method for ecologically reconstructing a concrete bank slope of a river channel is characterized by comprising the following steps: the method comprises the following steps:
step 01), cutting planting holes on the concrete embankment slope according to a design drawing;
step 02), pouring nutrient solution into the planting holes;
step 03), putting earthworms into the planting holes;
step 04), sealing the planting holes by using a light-transmitting plate, and maintaining for 7-14 days;
step 05), unloading the light-transmitting plate and planting green plants;
step 06), placing the blocky porous material in the soil of the planting hole until the blocky porous material completely covers the surface of the soil in the planting hole;
step 07), infiltrating an adhesive into the joint of the adjacent porous materials and the joint of the porous materials and the inner wall of the planting hole;
the nutrient solution comprises the following components in parts by mass:
100 parts of water;
1.5-2.5 parts of beer;
0.03-0.05 part of microbial agent.
2. The method for ecologically modifying the concrete bank slope of the river channel according to claim 1, wherein the method comprises the following steps: in the step 01), the cross section of the planting hole is circular.
3. The method for ecologically modifying the concrete bank slope of the river channel according to claim 2, wherein the method comprises the following steps: in the step 01), the minimum distance between adjacent planting holes is 10-30 cm.
4. The method for ecologically modifying the concrete bank slope of the river channel according to claim 3, wherein the method comprises the following steps: in the step 01), the diameter of the planting hole is 30-50 cm.
5. The method for ecologically modifying the concrete bank slope of the river channel according to claim 1, wherein the method comprises the following steps: in the step 06), the average maximum particle size of the blocky porous material is 1-2 cm.
6. The method for ecologically modifying the concrete bank slope of the river channel according to claim 5, wherein the method comprises the following steps: in the step 06), the blocky porous material is perlite.
7. The method for ecologically modifying the concrete bank slope of the river channel according to claim 1, wherein the method comprises the following steps: in the step 02), 200-250ml of nutrient solution is poured into each planting hole.
8. The method for ecologically modifying the concrete bank slope of the river channel according to claim 1, wherein the method comprises the following steps: in the step 07), the adhesive is hot melt adhesive.
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Citations (6)
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|---|---|---|---|---|
| CN1393123A (en) * | 2001-06-30 | 2003-01-29 | (株)三逊 | Pearlite for culturing plant and its use |
| CN101235631A (en) * | 2008-03-12 | 2008-08-06 | 河海大学 | Porous concrete ecological capsule slope protection method |
| CN201670764U (en) * | 2010-04-15 | 2010-12-15 | 长沙理工大学 | Plant-growing concrete building block capable of purifying water |
| CN108668787A (en) * | 2018-06-07 | 2018-10-19 | 北京星河园林景观工程有限公司 | A kind of ecological reconstruction structure of flinty slope |
| CN108755592A (en) * | 2018-04-27 | 2018-11-06 | 中国水利水电科学研究院 | In situ for hard slope formula shore protection plants raw formula ecology reconstruction structure and method |
| CN108782482A (en) * | 2018-06-12 | 2018-11-13 | 魏绿林 | The method that earthworm improves soil |
-
2020
- 2020-12-23 CN CN202011536704.2A patent/CN112681227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393123A (en) * | 2001-06-30 | 2003-01-29 | (株)三逊 | Pearlite for culturing plant and its use |
| CN101235631A (en) * | 2008-03-12 | 2008-08-06 | 河海大学 | Porous concrete ecological capsule slope protection method |
| CN201670764U (en) * | 2010-04-15 | 2010-12-15 | 长沙理工大学 | Plant-growing concrete building block capable of purifying water |
| CN108755592A (en) * | 2018-04-27 | 2018-11-06 | 中国水利水电科学研究院 | In situ for hard slope formula shore protection plants raw formula ecology reconstruction structure and method |
| CN108668787A (en) * | 2018-06-07 | 2018-10-19 | 北京星河园林景观工程有限公司 | A kind of ecological reconstruction structure of flinty slope |
| CN108782482A (en) * | 2018-06-12 | 2018-11-13 | 魏绿林 | The method that earthworm improves soil |
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Application publication date: 20210420 |