阅读说明：本技术 一种植被混凝土及其制备方法和植物毯及其制备方法 (Vegetation concrete and preparation method thereof, and plant blanket and preparation method thereof ) 是由 徐中浩 李黄敏 夏欣 万小林 杨代六 田先忠 于 2020-06-08 设计创作，主要内容包括：本发明公开了一种植被混凝土及其制备方法和植物毯及其制备方法,一种植被混凝土,包括植物草种和草种植被混凝土层；所草种植被混凝土层的组分按以下重量计组成：粘土50-80份、粉煤灰10-20份、胶凝材料5-10份、锯末2-10份、发酵有机肥2-8份、过磷酸钙0.1-1份以及保水树脂0.1-2份；一种采用所述植被混凝土的植物毯,包括细孔玄武岩纤维网格、玄武岩岩棉和植被混凝土；所述植物毯从上至下依次为所述细孔玄武岩纤维网格、玄武岩岩棉、植被混凝土、玄武岩岩棉和细孔玄武岩纤维网格。植物毯的植物生长层采用所述的植被混凝土,玄武岩岩棉可以给植物提供一个良好的水分环境,玄武岩纤维是一种新型无机环保绿色高性能纤维材料,具有抗化学侵蚀性和抗冻性。(The invention discloses vegetation concrete and a preparation method thereof, a plant blanket and a preparation method thereof, wherein the vegetation concrete comprises plant grass seeds and a grass vegetation concrete layer; the components of the grass vegetation concrete layer are as follows by weight: 50-80 parts of clay, 10-20 parts of fly ash, 5-10 parts of cementing material, 2-10 parts of sawdust, 2-8 parts of fermented organic fertilizer, 0.1-1 part of calcium superphosphate and 0.1-2 parts of water-retaining resin; a plant blanket adopting the vegetation concrete, which comprises fine hole basalt fiber grids, basalt rock wool and vegetation concrete; the plant blanket is sequentially provided with the fine hole basalt fiber grids, the basalt rock wool, the vegetation concrete, the basalt rock wool and the fine hole basalt fiber grids from top to bottom. The plant growth layer of the plant blanket adopts the vegetation concrete, the basalt rock wool can provide a good moisture environment for plants, and the basalt fiber is a novel inorganic environment-friendly green high-performance fiber material and has chemical erosion resistance and frost resistance.)

1. The vegetation concrete is characterized by comprising a plant grass seed and grass seed vegetation concrete layer;

the components of the grass vegetation concrete layer are as follows by weight: 10-20 parts of fly ash, 5-10 parts of cementing material, 50-80 parts of clay, 2-10 parts of sawdust, 2-8 parts of fermented organic fertilizer, 0.1-1 part of calcium superphosphate and 0.1-2 parts of water-retaining resin.

2. The vegetation concrete according to claim 1, wherein one part of the cementitious material comprises 70% gypsum, 20% blast furnace slag and 10% low alkali sulphoaluminate cement by weight.

3. The vegetation concrete according to claim 1, wherein the vegetation concrete layer consists of, by weight: 70 parts of clay, 10 parts of fly ash, 10 parts of gel material, 8 parts of sawdust, 4 parts of fermented organic fertilizer and 0.6 part of calcium superphosphate.

4. The vegetation concrete according to claim 1, wherein the vegetation concrete layer consists of, by weight: 5 parts of plant grass seeds, 80 parts of clay, 20 parts of fly ash, 10 parts of gel material, 10 parts of sawdust, 8 parts of fermented organic fertilizer and 1 part of calcium superphosphate.

5. The method for preparing vegetation concrete according to claim 1, which comprises the following steps:

fully and uniformly stirring 10-20 parts of fly ash, 5-10 parts of cementing material, 50-80 parts of clay, 2-10 parts of sawdust, 2-8 parts of fermented organic fertilizer, 0.1-1 part of calcium superphosphate and 0.1-2 parts of water-retaining resin to obtain the grass vegetation concrete layer;

and uniformly mixing a plurality of plant grass seeds with the grass seed vegetation concrete layer to obtain the vegetation concrete.

6. The method of claim 5, wherein the cement is prepared in a batch of 70% gypsum, 20% blast furnace slag and 10% low alkali sulphoaluminate cement.

7. A vegetation blanket using a vegetation concrete as claimed in claim 1, comprising fine mesh basalt fiber mesh, basalt rock wool and vegetation concrete;

the plant blanket is sequentially provided with the fine hole basalt fiber grids, the basalt rock wool, the vegetation concrete, the basalt rock wool and the fine hole basalt fiber grids from top to bottom.

8. The phytocarpet of claim 7, wherein the thickness of the phytocarpet is 2cm, 3cm or 4 cm.

9. A method of making a plant blanket of claim 8, comprising:

after a layer of fine-hole basalt fiber grid is laid, laying a layer of basalt rock wool with the same size as the fine-hole basalt fiber grid on the laid fine-hole basalt fiber grid;

uniformly paving plant concrete with the size equal to that of the basalt rock wool on the paved basalt rock wool;

sequentially laying a layer of basalt rock wool and fine-pore basalt fiber grids with the same size as the plant concrete on the laid plant concrete to obtain a plant blanket; and carrying out edge sealing and wiring on the plant blanket.

Technical Field

The invention relates to the field of slope greening, in particular to vegetation concrete and a preparation method thereof, and a plant blanket and a preparation method thereof.

Background

With the rapid development of economic society, the basic construction speed of China is accelerated, and a large number of bare slopes are formed by implementing construction projects such as traffic, water conservancy, mines, electric power and the like. The exposed slopes not only influence the ecological environment landscape, but also have geological disaster hidden dangers to influence the safety and stability of the main greening engineering. Therefore, slope greening is vigorously carried out in many places. The slope greening has obvious environmental protection significance, and can beautify the environment, preserve water sources, prevent soil erosion and landslide and purify air. For the excavated rock or soil slope, how to realize fast slope fixation to prevent slope landslide and simultaneously realize slope plant greening protection are very important.

The prior patent CN 201820997282 discloses a high-survival-rate ecological greening plant blanket for slope greening, which comprises a planting blanket body and a soil structure located in the planting blanket body and used for placing plant seeds, wherein the planting blanket body comprises a groove body and a cover body covering the groove body, the soil structure is located in the groove body, the ecological greening plant blanket also comprises a water storage irrigation structure, the water storage irrigation structure comprises hook grooves arranged on the bottom surface of the groove body, the hook grooves are uniformly distributed along the slope direction of the slope, and the hook grooves extend into a long shape along the width direction of the slope; the hook groove is internally provided with a nutrition water replenishing piece, one side of the hook groove is connected to the bottom surface of the groove body, and the other side of the hook groove is connected with an anti-falling piece which can fix the nutrition water replenishing piece in the hook groove. The invention can reduce the loss of water and nutrition, ensure the normal growth of plants and improve the survival rate of plants. However, the plant blanket in the patent has a very complicated structure and low practicability, and meanwhile, the plant blanket does not have strength, so that the purpose of quickly fixing the slope and preventing the slope landslide cannot be realized.

Patent CN 201821016050 discloses a plant blanket, including the plant blanket body, the plant blanket body is including hindering root zone, matrix layer, coconut palm silk layer, waterproof layer one and plant the layer, the matrix layer sets up in the upper strata of hindering root zone, the coconut palm silk layer sets up in the upper strata of matrix layer, waterproof layer one sets up in the upper strata on coconut palm silk layer, the plant layer sets up in the upper strata of waterproof layer one, be provided with a plurality of align to grid's through-hole on the waterproof layer one, it is provided with waterproof layer two to hinder root zone and matrix layer between, be provided with fire-retardant layer and reflector layer between waterproof layer one and the plant layer, the reflector layer sets up in the upper strata on fire-retardant layer, be provided with a plurality of recesses on the reflector layer, be provided with the glass microballon in the recess, the both sides of plant blanket body are provided with the inoxidizing coating, the upper. The structure of the plant blanket is complex, the strength is not high, and the cost is high.

Disclosure of Invention

The invention aims to solve the technical problems that the existing plant blanket is quite complex in structure and not strong in practicability, meanwhile, the plant blanket does not have strength, and the slope landslide cannot be prevented through fast slope fixing.

The invention is realized by the following technical scheme:

vegetation concrete comprising a concrete layer of plant grass seeds and grass vegetation;

the components of the grass vegetation concrete layer are as follows by weight: 10-20 parts of fly ash, 5-10 parts of cementing material, 50-80 parts of clay, 2-10 parts of sawdust, 2-8 parts of fermented organic fertilizer, 0.1-1 part of calcium superphosphate and 0.1-2 parts of water-retaining resin.

The vegetation concrete improves the strength and provides a neutral environment required by plant growth through the cementing material and the fly ash, the cementing material is formed by mixing gypsum, blast furnace slag and low-alkali sulphoaluminate cement in proportion, the cementing material formed by mixing the gypsum, the blast furnace slag and the low-alkali sulphoaluminate cement according to different weight proportions can generate different densities and porosities after meeting water, so that different strengths are formed, when the proportion of the cementing material exceeds a certain range, for example, when the content of the low-alkali sulphoaluminate cement is too high, the pores of the cementing material are too small and the alkali content is too high, so that the plant seeds can not grow when the soil becomes a saline-alkali soil; the plant growth environment suitable for plant growth is created for plant grass seeds in the vegetation concrete by partial alkaline substances generated by chemical reaction of the fly ash, the blast furnace slag and a small amount of low-alkali sulfur-aluminum cement in the presence of water, and the strength of the vegetation concrete can reach 1.2MPa after 48 hours of watering.

Furthermore, one part of the cementing material comprises 70% of gypsum, 20% of blast furnace slag and 10% of low-alkali sulphoaluminate cement by weight.

Further, one part of the gel material includes 0.7 part by weight of gypsum, 0.2 part by weight of blast furnace slag, and 0.1 part by weight of low alkali alumino-sulfate cement.

Further, the grass vegetation concrete layer comprises the following components in percentage by weight: 5 parts of plant grass seeds, 70 parts of clay, 10 parts of fly ash, 10 parts of gel material, 8 parts of sawdust, 4 parts of fermented organic fertilizer and 0.6 part of calcium superphosphate.

Further, the grass vegetation concrete layer comprises the following components in percentage by weight: 5 parts of plant grass seeds, 80 parts of clay, 20 parts of fly ash, 10 parts of gel material, 10 parts of sawdust, 8 parts of fermented organic fertilizer and 1 part of calcium superphosphate.

A preparation method of vegetation concrete comprises the following steps:

fully and uniformly stirring 10-20 parts of fly ash, 5-10 parts of cementing material, 50-80 parts of clay, 2-10 parts of sawdust, 2-8 parts of fermented organic fertilizer, 0.1-1 part of calcium superphosphate and 0.1-2 parts of water-retaining resin to obtain the grass vegetation concrete layer;

and uniformly mixing a plurality of plant grass seeds with the grass seed vegetation concrete layer to obtain the vegetation concrete.

Further, the cementing material is prepared according to 70% of gypsum, 20% of blast furnace slag and 10% of low-alkali sulpho-alumina cement to obtain a part of cementing material.

A plant blanket adopting the vegetation concrete comprises fine-hole basalt fiber grids, basalt rock wool and vegetation concrete;

the plant blanket is sequentially provided with the fine hole basalt fiber grids, the basalt rock wool, the vegetation concrete, the basalt rock wool and the fine hole basalt fiber grids from top to bottom.

The plant growth layer of the plant blanket is made of the vegetation concrete, can reach a good plant growth environment, has strong strength on a side slope and resists strong rainfall to prevent the plant blanket from falling off the implanted side slope, and except the vegetation concrete, the fine hole basalt fiber mesh and the basalt rock wool are adopted to form the whole plant blanket, because the basalt rock wool has strong water absorption and can preserve water for a long time, so that a good water environment can be provided for plants by arranging a layer of basalt rock wool on the upper part and the lower part of the vegetation concrete, an extra water storage irrigation structure is not needed, and the structure of the plant blanket is simplified; the fine-pore basalt fiber mesh is a novel inorganic environment-friendly green high-performance fiber material, is used as a framework, has the advantages of excellent chemical erosion resistance and frost resistance, weather erosion resistance, low temperature and sunlight solarization resistance to ultraviolet degradation and the like, and improves the germination rate and coverage rate of plants and a good growth environment.

The plant blanket can be applied to side slopes of rivers, water transportation channels, railways, expressways, mine excavation and the like.

Further, the thickness of the plant blanket is 2cm, 3cm or 4 cm.

A method of making a phytocarpet, comprising:

after a layer of fine-hole basalt fiber grid is laid, laying a layer of basalt rock wool with the same size as the fine-hole basalt fiber grid on the laid fine-hole basalt fiber grid;

uniformly paving plant concrete with the size equal to that of the basalt rock wool on the paved basalt rock wool;

sequentially laying a layer of basalt rock wool and fine-pore basalt fiber grids with the same size as the plant concrete on the laid plant concrete to obtain a plant blanket;

and carrying out edge sealing and wiring on the plant blanket.

The construction method of the plant blanket comprises the steps of placing the bundled or rolled plant blanket at the bottom of the side slope along the high position of the side slope, fixing the plant blanket by using an anchor rod, and watering and maintaining the plant blanket.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the vegetation concrete and the preparation method thereof, and the plant blanket and the preparation method thereof, the coal ash and the cementing material in the vegetation concrete improve the scour resistance of the plant blanket and react with water to create a neutral growth environment for plants;

2. according to the vegetation concrete and the preparation method thereof, and the plant blanket and the preparation method thereof, the fly ash and the cementing material in the vegetation concrete are combined with the gypsum to improve the strength of the vegetation concrete, and the strength of the vegetation concrete can reach 1.2MPa after 48 hours of watering;

3. according to the vegetation concrete and the preparation method thereof, and the plant blanket and the preparation method thereof, the basalt rock wool adopted by the plant blanket can absorb water, and the water-retaining property is high, so that the water can be retained for a long time, and therefore, the plant blanket does not need to be provided with an additional water-retaining irrigation structure, and the structure of the plant blanket is simplified;

4. the invention relates to vegetation concrete and a preparation method thereof, a plant blanket and a preparation method thereof, wherein basalt fiber adopted by the plant blanket is a novel inorganic environment-friendly high-performance fiber material, and the fiber material is used as a plant blanket framework, so that the plant blanket has excellent chemical erosion resistance and freezing resistance, is resistant to wind and rain erosion, is exposed to the sun at low temperature and sunlight, and is not degraded by ultraviolet rays;

5. the vegetation concrete and the preparation method thereof, the vegetation blanket and the preparation method thereof are provided in rolls, are convenient for manual loading, unloading and transportation, do not need large hoisting machinery, are extremely simple and convenient to construct, can be rapidly constructed, shorten the construction period, do not need special tools, can be completely constructed manually, have an integrated structure and can be directly constructed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the plant blanket of the present invention;

fig. 2 is a flow chart of the preparation of the plant blanket of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.