CN110583428A - Construction method for foreign soil spray-seeding base material and high slope ecological protection - Google Patents
Construction method for foreign soil spray-seeding base material and high slope ecological protection Download PDFInfo
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- CN110583428A CN110583428A CN201910927281.8A CN201910927281A CN110583428A CN 110583428 A CN110583428 A CN 110583428A CN 201910927281 A CN201910927281 A CN 201910927281A CN 110583428 A CN110583428 A CN 110583428A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/17—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing slag
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a foreign soil spray-seeding base material and a construction method for high slope ecological protection, and belongs to the technical field of high and steep hill slope protection. The alien soil spray-seeding base material is prepared from the following raw materials in parts by weight: 10-45 parts of grass seed mixture, 500 parts of planting soil 200-containing materials, 5-30 parts of water-retaining agent, 35-80 parts of cement, 80-100 parts of organic fertilizer, 25-50 parts of fly ash, 150 parts of hemp fiber 100-containing materials and 150 parts of water 100-containing materials. The invention also discloses a construction method for carrying out high slope ecological protection by utilizing the alien soil spray-seeding base material, the alien soil spray-seeding base material can carry out ecological protection on a high slope to achieve the purposes of recovering vegetation, improving landscape and protecting the environment, the construction process of the invention ensures the growth of plants in the planting groove pipes by arranging the planting groove pipes on the half slope surface after cleaning, avoids the problem that seeds or the base material run off along with rainwater, and is beneficial to the long-term ecological protection of the high slope by periodically supplementing the nutrients and water required by the growth of the plants.
Description
Technical Field
The invention relates to the technical field of high and steep mountain slope protection, in particular to a foreign soil spray-seeding base material and a construction method for high slope ecological protection.
Background
High and steep mountain side slopes formed after surface mines are mined, drop side slopes after highways, railways, and the like are built in various places, and various side slope support modes adopted in the prior art have defects and incompleteness of different degrees; the high-altitude stone can not be effectively protected, and can also cause hidden danger to the safety of road traveling and pedestrians, for example, the high-altitude slope is protected by adopting the protective net, and large-area falling and local small stone scattering can be formed by natural factors such as rainwater, weathering and severe cold and the high-altitude stone which cannot be well protected due to overlarge protective net, and the crushed object can hurt people; the alien soil spray-seeding technology can realize ecological protection on a high slope formed after mine mining, but because the proportion of alien soil spray-seeding base materials in the prior art is unreasonable, the emergence rate and the long-term growth in the later period of plants are affected, the ecological protection effect is poor, and the traditional spray-seeding technology is easy to flow downwards under the action of gravity under the condition of a large gradient, so that the construction difficulty is large.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a foreign soil spray-seeding base material and a construction method for high slope ecological protection.
The invention provides a foreign soil spray-seeding base material which is prepared from the following raw materials in parts by weight: 10-45 parts of grass seed mixture, 500 parts of planting soil 200-containing materials, 5-30 parts of water-retaining agent, 35-80 parts of cement, 80-100 parts of organic fertilizer, 25-50 parts of fly ash, 150 parts of hemp fiber 100-containing materials and 150 parts of water 100-containing materials.
Preferably, the grass seed mixture comprises 10-20 parts of sweet clover, 5-15 parts of tall fescue and 3-10 parts of alfalfa.
The invention also discloses a construction method of the alien soil spray-seeding base material for high slope ecological protection, which comprises the following steps:
s1, clearing slope surfaces;
s2, arranging a plurality of planting groove pipes parallel to the ground from top to bottom along the cleaned slope surface, wherein the planting groove pipes are anchored on the slope surface through anchor rods at certain intervals, each planting groove pipe comprises a water supply pipe and a planting groove arranged above the water supply pipe, the bottom of each planting groove is provided with a first water permeable hole, planting soil and a grass seed mixture are filled in each planting groove, and a horizontal cover plate is inserted above each planting groove;
s3, paving a steel wire mesh at the interval part between two adjacent planting groove pipes, and anchoring the steel wire mesh on the side slope;
s4, stirring and mixing the raw material components of the alien soil spray-seeding base material to prepare slurry, wetting the slope, and spray-seeding the slurry prepared by the alien soil spray-seeding base material on a steel wire mesh by alien soil spray-seeding equipment, wherein the spray-seeding thickness is 15-30 cm;
s5, removing the horizontal cover plate on the planting tank, and communicating one end of each planting tank pipe with a water supply device.
Preferably, the bottom of the planting groove is provided with a meshed net plate, and water-absorbing cotton is laid above the meshed net plate.
Preferably, the mass ratio of the grass seed mixture to the planting soil in the planting groove is 1: 100-200.
Preferably, a second water permeable hole is formed at a side surface of the water supply pipe.
Compared with the prior art, the invention has the beneficial effects that: the alien soil spray-seeding substrate is sprayed to the surface to be sown through the spray-seeding equipment, so that a uniform soil covering layer is formed, redundant water in the soil covering layer permeates into the soil surface, and the physical strength is formed by bonding vegetation root fibers. The water retention agent forms a semi-permeable moisturizing surface layer, reduces water evaporation, and provides moisture, nutrients and shading conditions for seed germination. The formed fiber covering layer has the functions of physical strength, water absorption, moisture retention, oxygen supply and the like, so the fiber covering layer can not be blown out when meeting wind, can not be washed out when meeting rainfall or watering, and has the effects of drought resistance and seed fixation and seedling protection; thereby achieving the purposes of recovering vegetation, improving landscape and protecting environment;
a certain amount of fly ash is added into the alien soil spray-seeding base material, so that the soil structure can be regulated and controlled, and the acid-base imbalance caused by cement is compensated; the hemp rope fiber can increase the bonding strength of the base material and reduce the fluidity of the slurry, and the hemp rope fiber can be naturally degraded, so that the hemp rope fiber is environment-friendly and pollution-free; the grass seeds of the invention are all selected from plants with high drought tolerance and strong adaptability, and can present greening landscape effect in four seasons.
According to the construction process for ecological protection of the high side slope, the planting groove pipes are arranged on the half slope surface after cleaning, on one hand, effective growth of plants in the planting groove pipes is guaranteed, on the other hand, the planting groove pipes and the plants in the planting groove pipes form multi-protection, the problem that seeds or base materials run off along with rainwater is avoided, and by supplying water or water-soluble fertilizers into the water supply pipes of the planting groove pipes regularly, nutrients and moisture required by plant growth are supplemented timely, so that long-term ecological protection of the high side slope is facilitated.
Drawings
Fig. 1 is a schematic view of the ecological protection structure of the high slope surface in the embodiment;
fig. 2 is a schematic structural view of the planting trough pipe in the present embodiment.
Description of reference numerals:
1. the soil-planting and water-supplying combined planting device comprises a planting groove pipe, 2 a water supply pipe, 3 a planting groove, 4 a horizontal cover plate, 5 a slope surface and 6 a soil-dressing spray-seeding base material.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be made with reference to the accompanying drawings 1-2, although it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
The alien soil spray-seeding base material of the embodiment is prepared from the following raw materials in parts by weight: 23 parts of grass seed mixture, 368 parts of planting soil, 22 parts of water-retaining agent, 59 parts of cement, 85 parts of organic fertilizer, 30 parts of fly ash, 110 parts of hemp rope fiber and 150 parts of water.
Example 2
The alien soil spray-seeding base material of the embodiment is prepared from the following raw materials in parts by weight: 30 parts of grass seed mixture, 450 parts of planting soil, 15 parts of water-retaining agent, 48 parts of cement, 96 parts of organic fertilizer, 50 parts of fly ash, 100 parts of hemp rope fiber and 180 parts of water.
Example 3
The alien soil spray-seeding base material of the embodiment is prepared from the following raw materials in parts by weight: 30 parts of grass seed mixture, 480 parts of planting soil, 8 parts of water-retaining agent, 62 parts of cement, 93 parts of organic fertilizer, 26 parts of fly ash, 128 parts of hemp rope fiber and 200 parts of water.
Example 4
The construction method for the high slope ecological protection by using the alien soil spray-seeding base material comprises the following steps:
s1, clearing slope surfaces;
s2, arranging a plurality of planting groove pipes 1 parallel to the ground from top to bottom along the cleaned slope surface, anchoring the planting groove pipes 1 on the slope surface 5 through anchor rods at certain intervals, wherein each planting groove pipe 1 comprises a water supply pipe 2 and a planting groove 3 arranged above the water supply pipe 2, a first water permeable hole is formed in the bottom of the planting groove 3, planting soil and grass seed mixture is filled in the planting groove 3, and a horizontal cover plate 4 is inserted above the planting groove 3;
s3, paving a steel wire mesh at the interval part between two adjacent planting groove pipes 1, and anchoring the steel wire mesh on the side slope;
s4, stirring and mixing the raw material components of the alien soil spray-seeding base material to prepare slurry, wetting the slope, and spray-seeding the slurry prepared by the alien soil spray-seeding base material on a steel wire mesh by alien soil spray-seeding equipment, wherein the spray-seeding thickness is 15-30 cm;
s5, removing the horizontal cover plate 4 on the planting tank 3, and communicating one end of each planting tank pipe 1 with a water supply device.
Wherein the alien soil spray-seeding base material is any one of the alien soil spray-seeding base materials in examples 1 to 3.
Wherein, the bottom of the planting groove 3 is a mesh plate with holes, and absorbent cotton is laid above the mesh plate with holes.
Wherein, the mass ratio of the grass seed mixture in the planting groove 3 to the planting soil is 1: 100-200.
Wherein, the side of the water supply pipe 2 is provided with a second water permeable hole.
Control group
The alien soil spray-seeding base material of the control group is prepared from the following raw materials in parts by weight: 23 parts of grass seed mixture, 368 parts of planting soil, 22 parts of water-retaining agent, 59 parts of cement, 85 parts of organic fertilizer and 150 parts of water. The foreign soil spray-seeding technology adopts the conventional spray-seeding technology.
In order to verify the technical effects of the alien soil spray-seeding base material and the construction method, the invention also carries out the following comparative experiment, specifically as follows:
designing an experimental slope:
the slope height of the construction section is 11m, and the slope ratio is 1.5: 1, belonging to soil slopes;
the experimental scheme is as follows:
the experimental group adopts the alien soil spray-seeding material of the embodiment 1 to complete alien soil spray-seeding construction through the spray-seeding process of the embodiment 4; the alien soil spray-seeding material of the contrast group completes alien soil spray-seeding construction through a conventional spray-seeding process; and (5) synchronously constructing the experimental group and the control group.
Slope plant observation
Randomly extracting sample parties, and observing the sample parties, wherein the specification of each sample party is 1 multiplied by 1 m; four corners are fixed by small wooden piles, and four sides are formed by thin ropes.
Observation time and observation content
Observing the set sample of the slope after the construction of the experimental group and the control group once a month for half a year, wherein the observation contents comprise plant species, plant number, coverage, height and growth condition.
Results and analysis
The experimental result shows that the average prepared coverage degrees of the experimental group and the control group at the initial stage of the foreign soil spray seeding are not greatly different, after three months, the average prepared coverage degrees of the experimental group side slope and the illumination side slope are 73% and 68% respectively, after three months of continuous growth, the average plant coverage degree is obviously changed, and the average prepared coverage degrees of the side slopes of the experimental group and the control group are 92% and 78%. The experimental group is significantly better than the control group.
In conclusion, the alien soil spray-seeding base material is sprayed to the surface to be sowed through the spray-seeding equipment, so that a uniform soil covering layer is formed, redundant water in the soil covering layer permeates into the soil surface, and the physical strength formed by the mutual adhesion of vegetation root system fibers is realized. The water retention agent forms a semi-permeable moisturizing surface layer, reduces water evaporation, and provides moisture, nutrients and shading conditions for seed germination. The formed fiber covering layer has the functions of physical strength, water absorption, moisture retention, oxygen supply and the like, so the fiber covering layer can not be blown out when meeting wind, can not be washed out when meeting rainfall or watering, and has the effects of drought resistance and seed fixation and seedling protection; thereby achieving the purposes of recovering vegetation, improving landscape and protecting environment;
a certain amount of fly ash is added into the alien soil spray-seeding base material, so that the soil structure can be regulated and controlled, and the acid-base imbalance caused by cement is compensated; the hemp rope fiber can increase the bonding strength of the base material and reduce the fluidity of the slurry, and the hemp rope fiber can be naturally degraded, so that the hemp rope fiber is environment-friendly and pollution-free;
according to the construction process for high slope ecological protection, the planting groove pipes are arranged on the cleaned half slope surface, so that the growth of plants in the planting groove pipes is ensured, the planting groove pipes and the plants in the planting groove pipes form multi-protection, the problem that seeds or base materials are lost along with rainwater is avoided, the emergence rate is influenced, water or water-soluble fertilizers are periodically supplied into water supply pipes of the planting groove pipes, nutrients and moisture required by plant growth are timely supplemented, and the long-term ecological protection of a high slope is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The alien soil spray-seeding base material is characterized by being prepared from the following raw materials in parts by weight: 10-45 parts of grass seed mixture, 500 parts of planting soil 200-containing material, 5-30 parts of water-retaining agent, 35-80 parts of cement, 80-100 parts of organic fertilizer, 25-50 parts of fly ash, 150 parts of hemp fiber 100-containing material and 300 parts of water 100-containing material.
2. The foreign soil spray-seeding substrate according to claim 1, wherein the grass seed mixture comprises 10-20 parts of sweet clover, 5-15 parts of tall fescue and 3-10 parts of alfalfa.
3. The construction method of the alien soil spray-seeding substrate for ecological protection of high slopes according to claim 1, comprising the following steps:
s1, clearing slope surfaces;
s2, arranging a plurality of planting groove pipes (1) from top to bottom along the cleared slope surface, anchoring the planting groove pipes (1) on the slope surface (5) at intervals, wherein each planting groove pipe (1) comprises a water supply pipe (2) and a planting groove (3) arranged above the water supply pipe (2), the bottom of each planting groove (3) is provided with a first water permeable hole, planting soil and grass seed mixtures are filled in each planting groove (3), and a horizontal cover plate (4) is inserted above each planting groove (3);
s3, paving a steel wire mesh at the interval part between two adjacent planting groove pipes (1), and anchoring the steel wire mesh on the side slope;
s4, stirring and mixing the raw material components of the alien soil spray-seeding base material to prepare slurry, wetting the slope, and spray-seeding the slurry prepared by the alien soil spray-seeding base material on a steel wire mesh by alien soil spray-seeding equipment, wherein the spray-seeding thickness is 15-30 cm;
s5, removing the horizontal cover plate (4) on the planting tank (3), and communicating one end of each planting tank pipe (1) with a water supply device.
4. The construction method of the foreign soil spray-seeding substrate for high slope ecological protection as claimed in claim 3, wherein the bottom of the planting tank (3) is a perforated net plate, water-absorbing cotton is laid above the perforated net plate, and the planting soil is laid on the water-absorbing cotton.
5. The construction method for ecological protection of high slope by using the alien soil spray-seeding base material as claimed in claim 4, wherein the mass ratio of the grass seed mixture to the planting soil in the planting groove (3) is 1: 100-200.
6. The construction method of high slope ecological protection by using the alien soil spray-seeding base material as claimed in claim 4, wherein the side of the water supply pipe (2) is provided with a second water permeable hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927281.8A CN110583428A (en) | 2019-09-27 | 2019-09-27 | Construction method for foreign soil spray-seeding base material and high slope ecological protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910927281.8A CN110583428A (en) | 2019-09-27 | 2019-09-27 | Construction method for foreign soil spray-seeding base material and high slope ecological protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111183864A (en) * | 2020-01-19 | 2020-05-22 | 丽水市润生苔藓科技有限公司 | Ecological greening construction and maintenance process for moss on exposed rock mass |
| CN111670778A (en) * | 2020-05-29 | 2020-09-18 | 北京林业大学 | Slag matrix and preparation method and application thereof |
| CN114158456A (en) * | 2021-11-26 | 2022-03-11 | 中冶南方都市环保工程技术股份有限公司 | Heavy metal mine side slope spray-seeding material and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111183864A (en) * | 2020-01-19 | 2020-05-22 | 丽水市润生苔藓科技有限公司 | Ecological greening construction and maintenance process for moss on exposed rock mass |
| CN111670778A (en) * | 2020-05-29 | 2020-09-18 | 北京林业大学 | Slag matrix and preparation method and application thereof |
| CN114158456A (en) * | 2021-11-26 | 2022-03-11 | 中冶南方都市环保工程技术股份有限公司 | Heavy metal mine side slope spray-seeding material and preparation method and application thereof |
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Application publication date: 20191220 |