CN112745090A - Vegetation concrete - Google Patents
Vegetation concrete Download PDFInfo
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- CN112745090A CN112745090A CN202011492868.XA CN202011492868A CN112745090A CN 112745090 A CN112745090 A CN 112745090A CN 202011492868 A CN202011492868 A CN 202011492868A CN 112745090 A CN112745090 A CN 112745090A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/042—Magnesium silicates, e.g. talc, sepiolite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/14—Minerals of vulcanic origin
- C04B14/18—Perlite
- C04B14/185—Perlite expanded
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/146—Silica fume
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00758—Uses not provided for elsewhere in C04B2111/00 for agri-, sylvi- or piscicultural or cattle-breeding applications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses vegetation concrete, which relates to the technical field of engineering and ecology and comprises the following components in parts by weight: 10-15 parts of phosphogypsum, 3-6 parts of fly ash, 1-3 parts of superfine silica fume, 45-70 parts of nutrient loam, 5-10 parts of organic fertilizer, 1-3 parts of expanded perlite, 1-3 parts of xanthan gum, 2-3 parts of plant fiber, 1-2 parts of natural inorganic fiber material, 2-5 parts of plant growth modifier, 0.5-1 part of inorganic nano water-retaining agent, 0.1-0.3 part of plant type air entraining agent and 1 part of plant seed. The vegetation concrete provided by the invention integrates water permeability, air permeability, vegetation and scour prevention, can play a role in recovering and adjusting a small ecological ring, and balances the relationship between concrete and plant growth.
Description
Technical Field
The invention relates to the technical field of engineering and ecology, in particular to vegetation concrete.
Background
The vegetation concrete is a novel mixed material, and plays a certain role in protecting slope while providing natural growth conditions for vegetation. At present, along with the rapid development of social economy, engineering construction projects are rapidly increased. In order to avoid collapse of the side slope in engineering construction, side slope protection work is required, or ecological management and restoration are required after artificial damage, so the vegetation concrete ecological protection technology is widely applied. The core method of the existing vegetation concrete is to mix concrete and plant seeds into a spraying base material and spray the mixture onto a side slope. The technology utilizes the bonding effect between concrete and the side slope and the net fixing technology to fix the side slope on the side slope, and simultaneously utilizes green plants to restore the ecological environment of the side slope.
However, the technology has many problems in the practical application process, and the common problems are as follows:
(1) the common concrete is used as a spraying base material, the cement is used as a cementing agent, and the firmness between the base material and the side slope is good. However, the addition of cement in common concrete causes poor soil structure and easy hardening, the base material does not have enough environment suitable for plant growth such as air, water and the like, and is not beneficial to organic matter degradation and formation of microorganism microenvironment, so that the germination rate and survival rate of vegetation seeds are low, and the plants cannot be utilized to restore ecology; and the cement is alkaline in hydration, which can increase the pH value and is not beneficial to the growth of plants. Because of drought and rain shortage in northwest region, serious soil salinization and relatively high pH value of soil, cement is used as cementing agent, and Ca (OH) is generated after the cement is hydrated2The pH value is usually more than 14, so the vegetation concrete using cement as a cementing agent can further increase the pH value of the soil and is not beneficial to plant growth.
(2) The pure soil is used as a spraying base material, the plant growth is suitable, the firmness between the spraying base material and the side slope is limited to a certain extent, the strength and the durability of a vegetation concrete layer cannot meet the requirements, the vegetation concrete layer cannot be stably attached to the slope surface, and the side slope protection effect cannot be achieved when the vegetation concrete layer is washed or splashed by rainwater.
Disclosure of Invention
The invention aims to provide vegetation concrete to overcome the defects of the existing vegetation concrete technology. The vegetation concrete technology is used for supporting slopes or side slopes by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology and botany and the like to form a comprehensive slope protection system. The plant protection method is characterized in that the surface layer of the side slope is protected by utilizing the interaction (root anchoring effect) of the plant, the rock, the cement concrete and the soil body, and the strength of the side slope is reinforced by the vegetation concrete, so that the requirement of improving the strength of the surface of the side slope can be met, the ecological environment of the damaged vegetation can be recovered, and the plant protection method is an effective slope protection and slope fixing means. The preparation technology of vegetation concrete plays an important role in preventing water and soil loss and restoring ecology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the vegetation concrete comprises the following components in parts by weight: 10-15 parts of phosphogypsum, 3-6 parts of fly ash, 1-3 parts of superfine silica fume, 45-70 parts of nutrient loam, 5-10 parts of organic fertilizer, 1-3 parts of expanded perlite, 1-3 parts of xanthan gum, 2-3 parts of plant fiber, 1-2 parts of natural inorganic fiber material, 2-5 parts of plant growth modifier, 0.5-1 part of inorganic nano water-retaining agent, 0.1-0.3 part of plant type air entraining agent and 1 part of plant seed.
The vegetation concrete provided by the invention uses inorganic fiber materials, the inorganic fibers have better durability and are not easy to degrade, and the vegetation concrete can play a role in winding vegetation concrete for a long time and plays a strong integral role. Meanwhile, the inorganic nano water-retaining agent is added, and is a pure inorganic material, so that the water-retaining agent is not easy to degrade and can play a role in retaining water for a long time.
Preferably, the vegetation concrete consists of the following components in parts by weight: 10 parts of phosphogypsum, 3 parts of fly ash, 1 part of superfine silica fume, 70 parts of nutrient loam, 8 parts of organic fertilizer, 1 part of expanded perlite, 1 part of xanthan gum, 2 parts of plant fiber, 1 part of natural inorganic fiber material, 2 parts of plant growth modifier, 0.5 part of inorganic nano water-retaining agent, 0.1 part of plant type air entraining agent and 1 part of plant seed.
Preferably, the vegetation concrete consists of the following components in parts by weight: 15 parts of phosphogypsum, 6 parts of fly ash, 3 parts of superfine silica fume, 48 parts of nutrient loam, 10 parts of organic fertilizer, 3 parts of expanded perlite, 3 parts of xanthan gum, 3 parts of plant fiber, 2 parts of natural inorganic fiber material, 5 parts of plant growth modifier, 1 part of inorganic nano water-retaining agent, 0.3 part of plant type air entraining agent and 1 part of plant seed.
Preferably, the vegetation concrete consists of the following components in parts by weight: 13 parts of phosphogypsum, 4 parts of fly ash, 2 parts of superfine silica fume, 58 parts of nutrient soil, 8 parts of organic fertilizer, 2 parts of expanded perlite, 2 parts of xanthan gum, 3 parts of plant fiber, 2 parts of natural inorganic fiber material, 4 parts of plant growth modifier, 0.7 part of inorganic nano water-retaining agent, 0.2 part of plant type air entraining agent and 1 part of plant seed.
Preferably, the nutrient loam comprises the following components in percentage by weight: 40 to 60 percent of raw soil, 20 to 40 percent of fine sand, 10 to 20 percent of waste straw powder, 0.1 to 0.5 percent of ferrous sulfate and 0.5 to 1 percent of compound fertilizer.
Preferably, said nutrient loam further comprises not more than 20% humus by total mass.
Preferably, the inorganic nano water-retaining agent is natural hydrous layer chain magnesium silicate.
Preferably, the inorganic fibers are basalt fibers.
Compared with the prior art, the invention has the following beneficial effects:
1. the vegetation concrete provided by the invention integrates water permeability, air permeability, vegetation and scour prevention, can play a role in recovering and adjusting a small ecological ring, and balances the relationship between the concrete and plant growth;
2. the vegetation concrete provided by the invention provides vegetation concrete with excellent performances through the design of the mix proportion of the vegetation concrete and the composition of effective materials;
3. the fried phosphogypsum not only generates strength after being hydrated, but also can further react with fly ash, siliceous dust and loam, thereby further improving the strength of vegetation concrete and other indexes. The phosphogypsum is a good fertilizer, not only can adjust the pH value of vegetation, but also can enhance the fertility characteristic of the vegetation;
4. the invention uses the inorganic fiber-basalt fiber, has the characteristics of better durability and difficult degradation, can play a role of winding the vegetation concrete for a long time, plays a very strong integral role, solves the problem of large porosity and improves the strength of the concrete, thereby improving the strength and durability of the vegetation concrete. Because the traditional vegetation concrete uses plant fibers, organic fibers and the like, although the strength and the integrity of the vegetation concrete can be improved in the early stage, the plant fibers can be degraded and the organic fibers can be aged along with the lapse of time, which is not beneficial to the durability and the integrity of the vegetation concrete. The excellent anti-aging and non-degradation properties of the inorganic fiber can ensure the long-term durability;
5. the vegetation concrete provided by the invention uses industrial wastes such as fly ash, silica fume, phosphogypsum and the like, so that the wastes are changed into valuables, and the important functions of waste recovery and environmental protection are exerted;
6. the invention uses expanded perlite and other porous materials to improve the porosity of vegetation concrete, is rich in sufficient air, and plays the roles of water retention and nutrient slow release, thereby providing necessary growth conditions for plants. Meanwhile, the expanded perlite has light weight, so that the volume weight of the vegetation concrete can be effectively reduced;
7. the performance of the inorganic nano water-retaining agent is improved by adding the inorganic nano water-retaining agent, the material has good microstructure characteristics, the scanning electron microscope shows that the structure of the material is chain-shaped, the microstructure of a cement-based material interface can be effectively changed, the compactness and the durability of the cement-based material are improved, and meanwhile, the material has good cohesiveness and adsorptivity, can reduce the surface tension of water on a concrete interface, and has very good water-retaining performance. Compared with the problem that the organic water-retaining agent is easy to degrade, the inorganic water-retaining agent has the characteristics of high stability and no degradation, and the durability of vegetation concrete is ensured;
8. the plant type air entraining agent introduces air bubbles into vegetation concrete in a forming stage, plays a role in air permeability and water permeability, builds a good growth foundation for plants, and is degradable in a later stage and serves as a nutrient;
9. the performance of the vegetation concrete is further improved by adding superfine active mineral materials such as fly ash, silica fume and the like. By adding the ultrafine powder, the particle size is small, the activity is realized, the ultrafine powder can be filled in gaps of materials, and can further react with hydration products, so that the compactness of the ultrafine powder is improved, the alkalinity of vegetation concrete is reduced, the durability and the mechanical property of the set cement are improved, and the condition of plant growth is achieved;
10. by using the technology, the vegetation concrete provided by the invention not only improves the comprehensive performance of the concrete, but also provides a more suitable growing environment for plant growth, thereby achieving mutual coexistence of the concrete and plants and better protecting the ecological environment.
11. The phosphogypsum, the fly ash and the superfine silica fume form an inorganic gelling system, which is different from vegetation concrete of a cement system used at present. The purpose of the plant growth regulator is to serve as a gelling system, effectively reduce the pH value and provide a good growth environment for plants.
Drawings
FIG. 1 is a TEM morphology of a natural inorganic nano-material water-retaining agent.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described below with reference to various embodiments, and the implementation manner of the present invention includes but is not limited to the following embodiments.
Example 1
In the embodiment, the vegetation concrete comprises the following components in parts by weight:
10 parts of phosphogypsum, 3 parts of fly ash, 1 part of superfine silica fume, 70 parts of nutrient loam, 8 parts of organic fertilizer, 1 part of expanded perlite, 1 part of xanthan gum, 2 parts of plant fiber, 1 part of natural inorganic fiber material, 2 parts of plant growth modifier, 0.5 part of inorganic nano water-retaining agent, 0.1 part of plant type air entraining agent and 1 part of plant seed.
The formula materials are uniformly mixed according to the proportion to obtain the product.
Example 2
In the embodiment, the vegetation concrete comprises the following components in parts by weight:
15 parts of phosphogypsum, 6 parts of fly ash, 3 parts of superfine silica fume, 48 parts of nutrient loam, 10 parts of organic fertilizer, 3 parts of expanded perlite, 3 parts of xanthan gum, 3 parts of plant fiber, 2 parts of natural inorganic fiber material, 5 parts of plant growth modifier, 1 part of inorganic nano water-retaining agent, 0.3 part of plant type air entraining agent and 1 part of plant seed.
The formula materials are uniformly mixed according to the proportion to obtain the product.
Example 3
In the embodiment, the vegetation concrete comprises the following components in parts by weight:
13 parts of phosphogypsum, 4 parts of fly ash, 2 parts of superfine silica fume, 58 parts of nutrient soil, 8 parts of organic fertilizer, 2 parts of expanded perlite, 2 parts of xanthan gum, 3 parts of plant fiber, 2 parts of natural inorganic fiber material, 4 parts of plant growth modifier, 0.7 part of inorganic nano water-retaining agent, 0.2 part of plant type air entraining agent and 1 part of plant seed.
The formula materials are uniformly mixed according to the proportion to obtain the product.
In examples 1 to 3, the nutrient loam comprises the following components in percentage by weight: 50% of raw soil, 35% of fine sand, 14% of waste straw powder, 0.3% of ferrous sulfate and 0.7% of compound fertilizer. Meanwhile, humus accounting for 15 percent of the total mass of the raw soil, the fine sand, the waste straw powder, the ferrous sulfate and the compound fertilizer is also added to ensure the soil fertility; the inorganic nano water-retaining agent is a natural non-metal clay mineral, in particular to hydrous layer chain magnesium silicate, has the characteristics of unique layer chain structure, large specific surface area, strong water retention capacity, good chemical stability, strong adsorption capacity and the like, and the monomer thereof has the nano size, and a TEM (transmission electron microscope) morphology picture of the material is shown in figure 1, which shows that the material is fibrous and preferentially develops in a one-dimensional direction, the direction of the chain structure is consistent with the axial direction of the fiber, the length is about 500nm, and the diameter is about 20 nm; the inorganic fiber is basalt fiber; the plant type air entraining agent is a commercial product, and the production place of the product is Shaanxi Xian; plant seeds are prepared, local natural and ecological conditions are selected, and then the seeds are uniformly mixed, wherein in examples 1 to 3, the materials are prepared as shown in a table 1:
table 1 plant configuration table units: g/m2
The experimental data of examples 1 to 3 and the obtained vegetation concrete are shown in table 2.
Table 2 vegetation concrete test data
The vegetation concrete is compared with other materials as in table 3:
TABLE 3 data comparison table of vegetation concrete and other materials
| Item | Vegetation concrete | Common vegetation concrete | Pure soil |
| Thickness, mm | 100 | 100 | 100 |
| Volume weight, g/cm3 | 1.35 | 1.85 | 1.73 |
| pH | 7.0 | 13.5 | 8.0 |
| Vegetation coverage,% | ≥95 | ≥85 | ≥90 |
| Plant growth property | Good effect | Difference (D) | Good effect |
| Rain erosion resistance | Good effect | Good effect | Difference (D) |
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (8)
1. The vegetation concrete is characterized by comprising the following components in parts by weight: 10-15 parts of phosphogypsum, 3-6 parts of fly ash, 1-3 parts of superfine silica fume, 45-70 parts of nutrient loam, 5-10 parts of organic fertilizer, 1-3 parts of expanded perlite, 1-3 parts of xanthan gum, 2-3 parts of plant fiber, 1-2 parts of natural inorganic fiber material, 2-5 parts of plant growth modifier, 0.5-1 part of inorganic nano water-retaining agent, 0.1-0.3 part of plant type air entraining agent and 1 part of plant seed.
2. The vegetation concrete according to claim 1, which is characterized by comprising the following components in parts by weight: 10 parts of phosphogypsum, 3 parts of fly ash, 1 part of superfine silica fume, 70 parts of nutrient loam, 8 parts of organic fertilizer, 1 part of expanded perlite, 1 part of xanthan gum, 2 parts of plant fiber, 1 part of natural inorganic fiber material, 2 parts of plant growth modifier, 0.5 part of inorganic nano water-retaining agent, 0.1 part of plant type air entraining agent and 1 part of plant seed.
3. The vegetation concrete according to claim 1, which is characterized by comprising the following components in parts by weight: 15 parts of phosphogypsum, 6 parts of fly ash, 3 parts of superfine silica fume, 48 parts of nutrient loam, 10 parts of organic fertilizer, 3 parts of expanded perlite, 3 parts of xanthan gum, 3 parts of plant fiber, 2 parts of natural inorganic fiber material, 5 parts of plant growth modifier, 1 part of inorganic nano water-retaining agent, 0.3 part of plant type air entraining agent and 1 part of plant seed.
4. The vegetation concrete according to claim 1, which is characterized by comprising the following components in parts by weight: 13 parts of phosphogypsum, 4 parts of fly ash, 2 parts of superfine silica fume, 58 parts of nutrient soil, 8 parts of organic fertilizer, 2 parts of expanded perlite, 2 parts of xanthan gum, 3 parts of plant fiber, 2 parts of inorganic fiber material, 4 parts of plant growth modifier, 0.7 part of inorganic nano water-retaining agent, 0.2 part of plant type air entraining agent and 1 part of plant seed.
5. The vegetation concrete according to any one of claims 1 to 4, wherein said nutrient loam comprises the following components in weight percent: 40 to 60 percent of raw soil, 20 to 40 percent of fine sand, 10 to 20 percent of waste straw powder, 0.1 to 0.5 percent of ferrous sulfate and 0.5 to 1 percent of compound fertilizer.
6. A vegetation concrete according to claim 5 wherein said nutrient loam further comprises humus in an amount not exceeding 20% by total mass.
7. The vegetation concrete according to any one of claims 1 to 4, wherein the inorganic nano water-retaining agent is a natural hydrous lamellar chain magnesium silicate.
8. The vegetation concrete according to claim 1, wherein the inorganic fiber is basalt fiber.
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| CN108911672A (en) * | 2018-08-14 | 2018-11-30 | 重庆市建筑科学研究院 | A kind of ardealite base plant cover concrete and its construction method |
| CN110317008A (en) * | 2019-07-17 | 2019-10-11 | 华新水泥股份有限公司 | A kind of plant cover concrete and the preparation method and application thereof |
| CN110981367A (en) * | 2019-12-27 | 2020-04-10 | 甘肃土木工程科学研究院有限公司 | Ecological concrete, manufacturing method and maintenance method |
| CN111387010A (en) * | 2020-03-15 | 2020-07-10 | 湖北省黄麦岭磷化工有限责任公司 | Method for preparing slope greening matrix material from phosphogypsum |
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Application publication date: 20210504 |