CN111747708A - Rock slope vegetation concrete capable of promoting plant growth and preparation method thereof - Google Patents
Rock slope vegetation concrete capable of promoting plant growth and preparation method thereof Download PDFInfo
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- CN111747708A CN111747708A CN202010572011.2A CN202010572011A CN111747708A CN 111747708 A CN111747708 A CN 111747708A CN 202010572011 A CN202010572011 A CN 202010572011A CN 111747708 A CN111747708 A CN 111747708A
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- 239000011435 rock Substances 0.000 title claims abstract description 39
- 230000008635 plant growth Effects 0.000 title claims abstract description 20
- 230000001737 promoting effect Effects 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229920001592 potato starch Polymers 0.000 claims abstract description 20
- 244000061456 Solanum tuberosum Species 0.000 claims abstract description 18
- 235000002595 Solanum tuberosum Nutrition 0.000 claims abstract description 18
- 239000003337 fertilizer Substances 0.000 claims abstract description 18
- 229920002472 Starch Polymers 0.000 claims abstract description 17
- 235000019698 starch Nutrition 0.000 claims abstract description 17
- 239000008107 starch Substances 0.000 claims abstract description 17
- 239000011398 Portland cement Substances 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 12
- -1 dipotassium hydrogen phosphate compound Chemical class 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000012798 spherical particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 238000010899 nucleation Methods 0.000 abstract description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 5
- 231100000956 nontoxicity Toxicity 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 206010016807 Fluid retention Diseases 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- WDJHALXBUFZDSR-UHFFFAOYSA-M acetoacetate Chemical compound CC(=O)CC([O-])=O WDJHALXBUFZDSR-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Classifications
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
-
- 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
-
- 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
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention provides a rock slope vegetation concrete capable of promoting plant growth and a preparation method thereof, wherein the vegetation concrete comprises the following components in parts by weight: 40-60 parts of water, 0.25-1 part of potato oxyacetate starch, 0.25-0.5 part of expanded potato starch, 20-30 parts of fertilizer, 40-60 parts of river course crude yellow sand, 40-60 parts of portland cement (with the reference number of 32.5-62.5) and 30-50 parts of viscous loess. The vegetation concrete for the rock slope uses the expanded potato starch and the potato oxidized acetate starch as key components, has high water retention performance, good rock slope viscosity, high matrix strength after spray seeding, stable property, no toxicity and environmental protection. The plant growth concrete can be applied to a substrate for plant growth on a rock slope, and after spray seeding, the 'concrete' with good water retention, firmness, air permeability and environmental protection can be formed on the rock slope.
Description
Technical Field
The invention belongs to the technical field of water and soil conservation of rock slopes, and particularly relates to a vegetation concrete slope of a rock slope capable of promoting plant growth and a preparation method thereof.
Background
At present, the rapid development of domestic industry and infrastructure can cause large-area exposure of certain provincial mountain rocks, and the large-area exposure of mountain rocks can influence the healthy development of local ecological environment. The exposed rock slopes are exposed to the nature and repeatedly acted by natural factors for a long time, so that the physical and mechanical properties of the slope rocks are changed, and water damage diseases of the rock slopes are easily caused and aggravated. Therefore, the treatment of bare rock slopes is gradually paid attention by people. Among the construction techniques of ecological slope protection, the most common techniques are the technique of spraying and seeding foreign soil, the technique of protecting slope with thick-layer base material vegetation, the technique of spraying and mixing plant biological slope protection, and the technique of planting grass and protecting slope by hydraulic spraying and seeding, and these techniques all need to make a self-prepared matrix suitable for the growth of plants on the rock slope, so that the plants can smoothly grow on the exposed rock slope. At present, researchers use polymer materials such as polylactic acid, asphalt, polyacrylamide and the like as soil binding particles to improve soil properties, but the vegetation concrete technology still faces some problems in the application process, including that the polymer materials are not environment-friendly, vegetation is easy to degrade in the maintenance process, the growth condition and the physiological activity are not high, and the like. Therefore, a novel efficient pollution-free slope plant growth concrete is developed, so that plants can grow on bare rock slopes smoothly.
Disclosure of Invention
The invention aims to develop a rock slope vegetation concrete side slope capable of promoting plant growth and a preparation method thereof. Through using popped potato starch, potato oxidation acetate, cement, yellow sand and viscous loess preparation vegetable concrete to be used for biological bank protection, green, operation process is simple, low in production cost to can produce obvious economic benefits.
The technical scheme provided by the invention is as follows: a rock slope vegetation concrete capable of promoting plant growth is composed of the following components in parts by weight: 40-60 parts of water, 0.25-1 part of potato oxyacetate starch, 0.25-0.5 part of expanded potato starch, 20-30 parts of fertilizer, 40-60 parts of river course crude yellow sand, 40-60 parts of portland cement and 30-50 parts of viscous loess.
The fertilizer is a dipotassium hydrogen phosphate compound fertilizer.
The expanded potato starch is in the form of spherical particles having a particle size of 20-500 mesh.
The portland cement is numbered 32.5-62.5.
The preparation method of the rock slope vegetation concrete capable of promoting plant growth comprises the following steps: adding the puffed potato starch, the potato oxyacetate starch, the river course crude yellow sand, the portland cement and the viscous loess into water according to the proportion, uniformly stirring, then adding the fertilizer, and uniformly stirring to obtain the vegetation concrete for the rock slope.
The potato oxidized acetate starch used in the invention is a white powdery solid which is easily dissolved in water at normal temperature, and has the advantages of low cost, no toxicity and environmental protection. The used expanded potato starch has high water absorption performance, hydrophilic and hydrophobic groups, spherical particles with the particle size of 20-500 meshes in drying, strong water absorption, semitransparent gel after water absorption expansion, stable property in soil, environmental protection and no toxicity. The plant concrete can be used as an adhesive and can also play a role in retaining water and fixing soil, so that the strength of the plant concrete is maintained. The plant growth concrete prepared by the formula has the capabilities of soil conservation, water conservation, fertilizer conservation and corrosion resistance, and can be applied to a substrate for plant growth on rock slopes.
The expanded potato starch used in the invention has good water absorption capacity and water retention, can improve the granular structure of soil, and increases the air permeability and water retention of plant concrete.
Has the advantages that: the plant concrete for water and soil conservation of rock slopes uses the puffed potato starch and the potato oxidized acetate starch as key components, has high water retention performance, good rock slope viscosity, high matrix strength after spray seeding, stable property, no toxicity and environmental protection. The plant growth concrete can be applied to a substrate for plant growth on a rock slope, and after spray seeding, the 'concrete' with good water retention, firmness, air permeability and environmental protection can be formed on the rock slope.
Drawings
FIG. 1 is a graph showing the change of water content of concrete with time. Wherein A is the vegetable concrete of example 1 (containing 0.25 parts of expanded potato starch, 0.25 parts of potato oxyacetate starch); b is the vegetable concrete of comparative example 1 (concrete without expanded potato starch and potato oxyacetate starch).
Detailed Description
The present invention is further described with reference to the following examples, which are provided for illustrating the technical solutions of the present invention in more detail, and the protection scope of the present invention is not limited thereby.
Example 1
According to the weight portion, 0.25 portion of expanded potato starch (spherical particles with the particle size of 20-500 meshes), 0.25 portion of potato oxyacetate starch, 40 portions of river course crude yellow sand, 40 portions of portland cement (42.5) and 30 portions of viscous loess are added into 40 portions of water, stirred for about twenty minutes, then 20 portions of fertilizer (dipotassium hydrogen phosphate compound fertilizer) are added, and uniformly mixed to obtain vegetation concrete, and the vegetation concrete with the thickness of 3-20cm is sprayed on the rock slope according to the plant species of the slope.
Example 2
According to the weight portion, 0.35 portion of expanded potato starch (spherical particles with the particle size of 20-500 meshes), 0.75 portion of potato oxyacetate starch, 50 portions of river course crude yellow sand, 50 portions of portland cement (number 32.5) and 40 portions of viscous loess are added into 50 portions of water, stirred for about twenty minutes, then 25 portions of fertilizer (dipotassium hydrogen phosphate compound fertilizer) are added, and uniformly mixed to obtain vegetation concrete, and the vegetation concrete with the thickness of 3-20cm is sprayed on the rock slope according to the plant species of the slope.
Example 3
According to the weight portion, 0.5 portion of expanded potato starch (spherical particles with the particle size of 20-500 meshes), 1 portion of potato acetic oxide ester starch, 60 portions of river course crude yellow sand, 60 portions of portland cement (62.5) and 50 portions of viscous loess are added into 60 portions of water and stirred for about twenty minutes, 30 portions of fertilizer (dipotassium hydrogen phosphate compound fertilizer) are added, vegetation concrete is obtained after uniform mixing, and vegetation concrete with the thickness of 3-20cm is sprayed on the rock slope according to the plant type of the slope.
Comparative example 1
Adding 40 parts of river course coarse yellow sand, 40 parts of portland cement (reference numeral 42.5) and 30 parts of viscous loess into 40 parts of water by weight, stirring for about twenty minutes, adding 20 parts of fertilizer (dipotassium hydrogen phosphate compound fertilizer), uniformly mixing to obtain vegetation concrete, and spraying the vegetation concrete with the thickness of 3-20cm on the rock slope according to the variety of the slope plants.
The products of example 1 and comparative example 1 were subjected to a water content test under the following conditions: the weight of the spray-seeding is 1kg, and the surface area is 100cm2The samples of example 1 and comparative example 1 were air-dried for 7 days after coagulation, added with water to the saturated water absorption capacity of the sample, and left at an ambient temperature of 25 deg.foAnd C, carrying out a water content test under the condition of keeping the relative humidity at 45% away from light. As shown in FIG. 1, the initial water content of the concrete of example 1 reached 62.5%, whereas the water content of the concrete of comparative example 1 was only 27.5%; at day 25, the concrete of example 1 still had 15% water, whereas the water content of comparative example 1 had decreased by 2.5%. The concrete of example 1 is much higher than the concrete of comparative example 1 in terms of water content and water retention. By comparing example 1 with comparative example 1, it can be seen that the key to the above effect of the present invention is the addition of potato acetoacetate starch and expanded potato starch to the starting material.
The potato oxidized acetate starch used in the invention has no pollution to environmental soil, is safe and environment-friendly, and can improve the soil structure by agglomerating small-particle-size soil particles and enhance the erosion resistance, disintegration resistance and water stability of the soil. The potato oxidized acetate starch can form soil water-stable aggregates, adjust a concrete structure and improve water permeability. The potato oxidized acetate starch is used in concrete to fill the pores in a glue combination manner, so that the strength and the bearing capacity of the concrete are improved.
The puffed potato starch used in the invention has higher adsorption and conservation capacity on water and good water retention performance. In the process of water absorption and water release, the expanded potato starch expands and contracts, which is beneficial to improving the air permeability of concrete. In concrete, the super absorbent resin can effectively improve the water content and water holding capacity of the concrete and improve the water seepage capability of the concrete.
The vegetation concrete is applied to rock slopes, and after spray seeding, the 'concrete' with good water retention, firmness, air permeability and environmental protection can be formed on the rock slopes.
Claims (5)
1. The rock slope vegetation concrete capable of promoting plant growth is characterized by comprising the following components in parts by weight: 40-60 parts of water, 0.25-1 part of potato oxyacetate starch, 0.25-0.5 part of expanded potato starch, 20-30 parts of fertilizer, 40-60 parts of river course crude yellow sand, 40-60 parts of portland cement and 30-50 parts of viscous loess.
2. The vegetation concrete for rock slopes capable of promoting plant growth, according to claim 1, wherein: the fertilizer is a dipotassium hydrogen phosphate compound fertilizer.
3. The vegetation concrete for rock slopes capable of promoting plant growth, according to claim 1, wherein: the expanded potato starch is in the form of spherical particles having a particle size of 20-500 mesh.
4. The vegetation concrete for rock slopes capable of promoting plant growth, according to claim 1, wherein: the portland cement is numbered 32.5-62.5.
5. A method for preparing vegetation concrete for rock slopes capable of promoting plant growth, which comprises the following steps: adding the puffed potato starch, the potato acetic oxide ester starch, the river course coarse yellow sand, the portland cement and the viscous loess into water according to the proportion, uniformly stirring, then adding the fertilizer, and uniformly stirring to obtain the vegetation concrete for the rock slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572011.2A CN111747708A (en) | 2020-06-22 | 2020-06-22 | Rock slope vegetation concrete capable of promoting plant growth and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572011.2A CN111747708A (en) | 2020-06-22 | 2020-06-22 | Rock slope vegetation concrete capable of promoting plant growth and preparation method thereof |
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| CN111747708A true CN111747708A (en) | 2020-10-09 |
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| CN202010572011.2A Pending CN111747708A (en) | 2020-06-22 | 2020-06-22 | Rock slope vegetation concrete capable of promoting plant growth and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504710A (en) * | 2022-08-15 | 2022-12-23 | 潘振亚 | Environment-friendly brick based on tailing waste and processing method thereof |
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| CN103229644A (en) * | 2013-04-09 | 2013-08-07 | 北京林业大学 | Double-layer spray-seeding method of alien soil matrix and water-retaining agents for recovering rock slope vegetations |
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2020
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