CN116040992A

CN116040992A - Planting concrete and preparation and construction method thereof

Info

Publication number: CN116040992A
Application number: CN202211601139.2A
Authority: CN
Inventors: 许雯; 谢咸颂; 丁文豪; 章乐天; 李艺航; 廖振宇; 晋梦晨
Original assignee: Quzhou University
Current assignee: Quzhou University
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02

Abstract

The invention discloses planting concrete and a preparation construction method thereof, wherein the planting concrete comprises an A concrete layer formed by pouring A concrete and a B concrete layer formed by pouring B concrete, the B concrete layer is used for planting vegetation, and the A concrete layer is used for being paved on the lower layer of the B concrete layer; the concrete A comprises 70-85 parts of coarse aggregate with the particle size of 10-15mm, 30-40 parts of river sand, 50-55 parts of cement, 20-25 parts of fly ash and 30-35 parts of water; the concrete B comprises 85-100 parts of coarse aggregate with the particle size of 25-35mm, 15-20 parts of cement, 15-25 parts of ecological nutrition particles, 15-25 parts of ceramsite and 10-15 parts of water; the ecological nutrition granule comprises 100-110 parts of sheep manure and 40-50 parts of straw. According to the invention, the A concrete layer and the B concrete layer are matched with each other, so that the strength can be ensured, the normal growth of planted plants can be ensured, ecological nutrition particles are mixed in the B concrete, and the ecological nutrition particles are prepared from sheep manure and straw and can slowly decompose and release nutrients, so that the nutrients are provided for plants planted on the upper side of the B concrete layer, and the survival rate of the plants is improved.

Description

Planting concrete and preparation and construction method thereof

Technical Field

The invention relates to the technical field of concrete, in particular to the technical field of planting concrete.

Background

Planting concrete, vegetation concrete for short, also called vegetation concrete, greening concrete, ecological reverse filtering vegetation concrete and the like. The ecological planting can be realized while the safety protection is realized, and the novel slope protection material can combine engineering protection and ecological restoration well. The main body of the ecological cementing material takes aggregate with specific particle size as a supporting framework, and the ecological cementing material is prepared by wrapping the ecological cementing material and the aggregate due to strong alkalinity of cement, so that the ecological cementing material has a certain pore structure and strength. The concrete has three characteristics, namely (1) high strength, and the material has the strength equivalent to that of common concrete; (2) the structure is unique, the framework similar to 'saqima' is provided, and more communication pores are provided, so that conditions can be provided for the penetration growth of plants; (3) the low-alkali environment is low in alkalinity of the planting concrete, suitable for plant growth, capable of being laid on a slope surface in a protected mode, capable of achieving integration of safety protection and ecological greening under appropriate conditions, and capable of achieving triple protection.

The invention patent of China with publication number of CN114180900B provides the technical field of ecological planting concrete, and particularly relates to a water-retaining ecological planting concrete material which is prepared from the following raw materials in parts by weight: 100-120 parts of cement, 60-90 parts of quartz sand, 40-80 parts of bentonite, 55-90 parts of fly ash, 100-120 parts of high-water-retention filler, 20-30 parts of slow release fertilizer and 45-60 parts of water. However, the above planting concrete has problems in that: although the inside has a large number of pores, the structure which can provide nutrition required by plant growth is not available, the nutrition can not be provided for plants, and the water storage performance is relatively general, so that the plant growth is not favored.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides planting concrete and a preparation and construction method thereof, which can provide nutrients for plant growth.

In order to achieve the above purpose, the invention provides planting concrete, which comprises an A concrete layer formed by casting A concrete and a B concrete layer formed by casting B concrete, wherein the B concrete layer is used for planting vegetation, and the A concrete layer is used for being paved on the lower layer of the B concrete layer;

the concrete A comprises 70-85 parts of coarse aggregate with the particle size of 10-15mm, 30-40 parts of river sand, 50-55 parts of cement, 20-25 parts of fly ash and 30-35 parts of water;

the concrete B comprises 85-100 parts of coarse aggregate with the particle size of 25-35mm, 15-20 parts of cement, 15-25 parts of ecological nutrition particles, 15-25 parts of ceramsite and 10-15 parts of water;

the ecological nutrition particles comprise 100-110 parts of sheep manure and 40-50 parts of straw, and are coated with degradable films which can be degraded in natural environment.

Preferably, a plurality of water retention ropes which are horizontally paved are arranged in the A concrete layer or/and the B concrete layer, and the water retention ropes are arranged in a crisscross manner so that a plurality of rectangular blank spaces are divided among the water retention ropes.

Preferably, the water retention rope in the B concrete layer is positioned at a position 3-10cm away from the surface of the B concrete layer, a first layer of B concrete layer with the thickness of 2-15cm is paved on the surface of the A concrete layer in the paving process of the B concrete layer, the water retention rope is paved on the surface before the first layer of B concrete layer is not dried, and then a second layer of B concrete layer with the thickness of 3-10cm is paved on the surfaces of the first layer of B concrete layer and the water retention rope.

Preferably, the surface of the water-retaining rope is wrapped with a degradable film, and the degradable film can be degraded in natural environment.

Preferably, the ecological nutrition granule comprises 100-110 parts of sheep manure, 40-50 parts of straw, 5-7 parts of fermentation liquor and 3-5 parts of lime powder, and the preparation method comprises the following steps:

taking sheep manure raw materials, stacking the sheep manure raw materials for ventilation fermentation for 4-6 days to obtain fermented sheep manure;

taking a straw raw material, crushing the straw raw material into straw crushed aggregates with the particle size of 500-650mm, adding the straw crushed aggregates into the fermentation broth, and fully stirring the straw raw material to enable the straw raw material to fully absorb the fermentation broth;

mixing the prepared fermented sheep manure with the prepared straw raw materials and lime powder, adding water and stirring to control the water content of the mixture to be 45% -55%, wherein 100-110 parts of fermented sheep manure and 40-50 parts of straw raw materials are mixed;

the prepared mixture is guided into a fermentation tank to be piled, and a grass curtain is covered on the top of the pile, so that the fermentation is carried out for 8 to 10 days, and the pile is turned once every 2 to 3 days in the fermentation process;

crushing the fermented mixture again to obtain a crushed mixture with the particle size of 10-20 mm;

s1-6, conveying the crushed mixture obtained in the step S1-5 into a pill rolling device for pill rolling and granulation to obtain ecological nutrition particles;

drying, namely drying the prepared ecological nutrition particles until the water content is 10% -13%;

and covering 1-2 layers of degradable films on the surfaces of the dried ecological nutrition particles to prepare the finished ecological nutrition particles.

Preferably, the B concrete further comprises 1-3 parts of plant fibers, wherein the plant fibers are coconut fibers or cotton fibers.

Preferably, the A coagulation further comprises 5-8 parts of steel fibers, wherein the length of the steel fibers is 20-30cm, and the diameter of the steel fibers is 0.06-0.1mm.

Preferably, the degradable film is a starch-based biodegradable film, and the natural environment degradation time of the starch-based biodegradable film is 30-90d.

Preferably, the A concrete and/or the B concrete further comprises 10-15 parts of super absorbent resin, and the super absorbent resin is added into the A concrete and/or the B concrete after being pre-swelled by water absorption.

Preferably, the A concrete further comprises 1-3 parts of a water reducing agent, and the B concrete further comprises 2-5 parts of the water reducing agent.

Preferably, the B concrete further comprises 3-5 parts of activated carbon.

Another object of the present invention is to provide a method for preparing and constructing a planting concrete, such as any one of the above, comprising the following steps:

step S1, preparing ecological nutrition particles; the method specifically comprises the following steps:

s1-1, taking sheep manure raw materials, stacking the sheep manure raw materials for ventilation fermentation for 4-6 days to obtain fermented sheep manure;

s1-2, taking a straw raw material, crushing the straw raw material into straw crushed aggregates with the particle size of 500-650mm, adding the straw crushed aggregates into the fermentation liquor, and fully stirring the straw raw material to enable the straw raw material to fully absorb the fermentation liquor;

step S1-3, mixing the fermented sheep manure prepared in the step S1-1 with the straw raw material prepared in the step S1-2, adding water and stirring to control the water content of the mixture to be 45% -55%, wherein the fermented sheep manure is 100-110 parts and the straw raw material is 40-50 parts;

s1-4, introducing the mixture prepared in the step S1-3 into a fermentation tank for stacking, and covering a grass curtain on the top of the stack to ferment for 8-10 days, wherein the stack is turned once every 2-3 days in the fermentation process;

step S1-5, crushing the mixture fermented in the step S1-4 again to obtain a crushed mixture with the particle size of 10-20 mm;

step S1-7, drying, namely drying the ecological nutrition particles prepared in the step S1-6 until the water content is 10% -13%;

s1-8, covering 1-3 layers of degradable films on the surfaces of the ecological nutrition particles dried in the step S1-7 to prepare finished ecological nutrition particles;

s2, preparing concrete A, and weighing 70-85 parts of coarse aggregate with the particle size of 10-15mm, 30-40 parts of river sand, 50-55 parts of cement, 20-25 parts of fly ash and 30-35 parts of water according to the weight ratio; mixing the coarse aggregate with cement, river sand and fly ash, carrying out dry mixing, uniformly stirring, and then adding water for wet mixing to obtain well-stirred A concrete;

step S3, preparing concrete B, and weighing 85-100 parts of coarse aggregate with the particle size of 25-35mm, 15-20 parts of cement, 15-25 parts of ecological nutrition particles, 15-25 parts of ceramsite and 10-15 parts of water according to the weight ratio; mixing the coarse aggregate with cement and ceramsite, carrying out dry mixing, adding water after uniformly stirring, and carrying out wet mixing to obtain well-stirred B concrete;

s4, pouring, namely uniformly spreading the stirred concrete A at a required pouring position, wherein the pouring thickness is 8-25cm, the spreading molding time is controlled within 40 minutes, the concrete A is not required to be completely solidified after molding, the concrete B is directly spread on the upper side of the concrete A, and the thickness of the concrete B is 5-25cm;

s5, curing, namely starting watering and curing after pouring is finished, wherein the environment is at the temperature of more than 30 ℃, and the watering interval is controlled to be 4-6 hours; the watering interval is 6-10h under the environment of 15-30 ℃; watering at a watering interval of 8-12h below 5-15 ℃; the watering maintenance is not carried out below 5 ℃, and the plastic film covering maintenance is adopted instead; curing for 5-8 days.

Preferably, the number of layers and the thickness of the degradable film outside the ecological nutrition particles are determined according to the planned planting time, and the more the planned planting time is, the more the number of layers of the degradable film is, and the thicker the thickness is.

Preferably, the step S3 further comprises pH adjustment, and a pH adjuster is added to the stirred B concrete until the pH of the stirred B concrete is between 6 and 7.5.

The planting concrete and the preparation and construction method thereof have the beneficial effects that: according to the invention, the planting concrete is set to be a double-layer structure formed by pouring the A concrete and the B concrete, the A concrete is made of coarse aggregate with smaller grain size and river sand, the cement content is high, the strength is high, the protection performance is good, the planting concrete is mainly used for protecting and supporting, the B concrete is made of coarse aggregate with larger grain size, the cement content is low, the inner porous structure is more, planting plants are utilized, the A concrete and the B concrete are matched, the strength can be ensured, the normal growth of the planting plants can be ensured, the ecological nutrition particles are mixed in the B concrete, the ecological nutrition particles are made of sheep manure and straw, the nutrients can be slowly decomposed and released, so that the nutrients are provided for the plants planted on the upper side of the B concrete, the survival rate of the plants is improved, the degradable film is wrapped outside the ecological nutrition particles, the cement can be prevented from entering the inside of the ecological nutrition particles in the concrete stirring pouring process, the ecological nutrition particles is further influenced, the ecological nutrition particles can be automatically decomposed under the natural environment, and the ecological nutrition particles can be normally decomposed and released.

The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a construction of a planted concrete according to the present invention.

FIG. 2 is a schematic view showing the structure of a water retention rope for planting concrete in a B concrete layer according to the present invention.

In the figure: 1-A concrete layer, 2-B concrete layer and 3-water retention rope.

Detailed Description

The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.

In the description of the present invention, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships in which the inventive product is conventionally placed in use, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

referring to fig. 1 and 2, the planting concrete of the invention comprises an a concrete layer 1 formed by casting a concrete and a B concrete layer 2 formed by casting a concrete, wherein the B concrete layer 2 is used for planting vegetation, and the a concrete layer 1 is used for being paved on the lower layer of the B concrete layer 2;

the concrete A comprises 77 parts of coarse aggregate with the particle size of 10-15mm, 35 parts of river sand, 53 parts of cement, 23 parts of fly ash and 33 parts of water;

the concrete B comprises 93 parts of coarse aggregate with the particle size of 25-35mm, 18 parts of cement, 20 parts of ecological nutrition particles, 20 parts of ceramsite and 13 parts of water;

the ecological nutrition particles comprise 105 parts of sheep manure, 45 parts of straw, 6 parts of fermentation liquor and 4 parts of lime powder, and degradable films are wrapped outside the ecological nutrition particles and can be degraded in natural environment.

The ecological nutrition granule comprises the following preparation steps:

mixing the prepared fermented sheep manure with the prepared straw raw materials and lime powder, adding water and stirring to control the water content of the mixture to be 45% -55%, wherein 105 parts of fermented sheep manure and 45 parts of straw raw materials are mixed;

the prepared mixture is guided into a fermentation tank to be piled, and a grass curtain is covered on the top of the pile, so that the fermentation is carried out for 8 to 10 days, and the pile is turned once every 2 to 3 days in the fermentation process; the sheep manure and the straw are fermented firstly and then are prepared into ecological nutrition particles, so that the burning of seedlings is avoided.

In the embodiment, the planting concrete is set to be a double-layer structure formed by pouring A concrete and B concrete, the A concrete layer 1 is made of coarse aggregate with smaller grain size and river sand, the cement content is high, the strength is high, the protection performance is good, the planting concrete is mainly used for protecting and supporting, the B concrete is made of coarse aggregate with larger grain size, the cement content is low, the inner porous structure is more, planting plants are utilized more, the A concrete layer 1 and the B concrete layer 2 are mutually matched, the strength can be ensured, the normal growth of the planting plants can be ensured, ecological nutrition particles are mixed in the B concrete, the ecological nutrition particles are made of sheep manure and straw, the nutrients can be slowly decomposed, the nutrients are released, the plants planted on the upper side of the B concrete layer 2 are provided with the nutrients, the survival rate of the plants is improved, the ecological nutrition particles are wrapped and provided with the degradable film, the situation that the cement enters the inside the ecological nutrition particles in the concrete stirring pouring process is avoided, so that the ecological nutrition particles are decomposed, and the degradable film can be decomposed automatically in natural environment, and the ecological nutrition particles can be decomposed normally.

Referring to fig. 1 and 2, a plurality of horizontally laid water retention ropes 3 are arranged in the concrete layer 2, and the water retention ropes 3 are arranged in a crisscross manner so as to divide a plurality of rectangular blank spaces between the water retention ropes 3. The water retention rope 3 in the B concrete layer 2 can absorb and store water, so that the water content in the concrete is improved, vegetation on the B concrete layer 2 is utilized for growth, the water retention rope 3 can play a certain role in enhancing the B concrete layer 2, and the radial pulling resistance of the B concrete layer 2 is improved.

Referring to fig. 1 and 2, the water retention rope 3 in the B concrete layer 2 is located at a position 5cm away from the surface of the B concrete layer 2, in the laying process of the B concrete layer 2, a first layer of B concrete layer 2 with a thickness of 10cm is laid on the surface of the a concrete layer 1, the water retention rope 3 is laid on the surface before the first layer of B concrete layer 2 is not dried, and then a second layer of B concrete layer 2 with a thickness of 5cm is laid on the surfaces of the first layer of B concrete layer 2 and the water retention rope 3.

In order to prevent cement slurry from entering the water retention rope 3, the surface of the water retention rope 3 is wrapped with a degradable film, and the degradable film can be degraded in a natural environment. The degradable film wraps the water retention rope 3, so that cement liquid is prevented from entering the water retention rope 3 in the pouring process, and the water absorption performance of the water retention rope 3 is prevented from being influenced.

Preferably, the B concrete further comprises 2 parts of plant fiber, wherein the plant fiber is coconut fiber or cotton fiber. The plant fiber not only can improve the strength of the B concrete, but also can improve certain water retention performance, and has good environmental protection performance and no pollution.

Preferably, the A concrete further comprises 7 parts of steel fibers, wherein the length of the steel fibers is 20-30cm, and the diameter of the steel fibers is 0.08mm. The steel fibers further enhance the strength of the a concrete.

Preferably, the degradable film is a starch-based biodegradable film, and the degradation time of the starch-based biodegradable film in the natural environment is 30d. The starch-based biodegradable film is more environment-friendly and pollution-free, and the degradation time of the starch-based biodegradable film just caters to the growth of plants.

Preferably, the B concrete further comprises 13 parts of super absorbent resin, and the super absorbent resin is added into the B concrete after being pre-swelled by water absorption. The water retention performance of the B concrete is further improved by the high water-absorbing resin, water is provided for plants, the high water-absorbing resin is added into the B concrete after absorbing water, and the phenomenon that the high water-absorbing resin absorbs water in the concrete stirring process to influence the concrete pouring effect is avoided.

Preferably, the A concrete further comprises 2 parts of a water reducing agent, and the B concrete further comprises 4 parts of the water reducing agent.

Preferably, the B concrete further comprises 3-5 parts of activated carbon. Can improve the filtering and purifying capacity.

Embodiment two:

the planting concrete comprises an A concrete layer 1 formed by casting A concrete and a B concrete layer 2 formed by casting B concrete, wherein the B concrete layer 2 is used for planting vegetation, and the A concrete layer 1 is used for being paved on the lower layer of the B concrete layer 2;

the concrete A comprises 70 parts of coarse aggregate with the particle size of 10-15mm, 30 parts of river sand, 50 parts of cement, 20 parts of fly ash and 30 parts of water;

the concrete B comprises 85 parts of coarse aggregate with the particle size of 25-35mm, 15 parts of cement, 15 parts of ecological nutrition particles, 15 parts of ceramsite and 15 parts of water;

the ecological nutrition particles comprise 100 parts of sheep manure, 40 parts of straw, 5 parts of fermentation liquor and 3 parts of lime powder, and degradable films are wrapped outside the ecological nutrition particles and can be degraded in natural environment.

The ecological nutrition granule comprises the following preparation steps:

mixing the prepared fermented sheep manure with the prepared straw raw materials and lime powder, adding water and stirring to control the water content of the mixture to be 45% -55%, wherein 100 parts of fermented sheep manure and 40 parts of straw raw materials are mixed;

Embodiment III:

the concrete A comprises 85 parts of coarse aggregate with the particle size of 10-15mm, 40 parts of river sand, 55 parts of cement, 25 parts of fly ash and 35 parts of water;

the concrete B comprises 100 parts of coarse aggregate with the particle size of 25-35mm, 20 parts of cement, 25 parts of ecological nutrition particles, 25 parts of ceramsite and 25 parts of water;

the ecological nutrition particles comprise 110 parts of sheep manure, 50 parts of straw, 6 parts of fermentation liquor and 5 parts of lime powder, and degradable films are wrapped outside the ecological nutrition particles and can be degraded in natural environment.

The ecological nutrition granule comprises the following preparation steps:

mixing the prepared fermented sheep manure with the prepared straw raw materials and lime powder, adding water and stirring to control the water content of the mixture to be 45% -55%, wherein the fermented sheep manure is 110 parts and the straw raw materials are 50 parts;

Embodiment four:

the embodiment provides a preparation and construction method of planting concrete, which comprises the following preparation steps of the planting concrete in any embodiment:

s1-4, introducing the mixture prepared in the step S1-3 into a fermentation tank for stacking, and covering a grass curtain on the top of the stack to ferment for 8-10 days, wherein the stack is turned once every 2-3 days in the fermentation process; the sheep manure and the straw are fermented firstly and then are prepared into ecological nutrition particles, so that the burning of seedlings is avoided.

s1-6, conveying the crushed mixture obtained in the step S1-5 into a pill rolling device for pill rolling and granulation to obtain ecological nutrition particles; and after pelletization, the mixture is convenient to mix into concrete.

and S1-8, covering 1-3 layers of degradable films on the surfaces of the ecological nutrition particles after the drying in the step S1-7 to obtain the finished ecological nutrition particles. The number of layers and the thickness of the degradable film outside the ecological nutrition particles are determined according to the planned planting time, and the more the planned planting time is, the more the number of layers of the degradable film is, and the thicker the thickness is.

step S3, preparing concrete B, and weighing 85-100 parts of coarse aggregate with the particle size of 25-35mm, 15-20 parts of cement, 15-25 parts of ecological nutrition particles, 15-25 parts of ceramsite and 10-15 parts of water according to the weight ratio; mixing the coarse aggregate with cement and ceramsite, carrying out dry mixing, adding water after uniformly stirring, and carrying out wet mixing to obtain well-stirred B concrete; and adding a pH value regulator into the stirred B concrete until the pH value of the stirred B concrete is between 6 and 7.5. The pH value of the concrete B is neutral, and the concrete B is more suitable for plant growth.

S4, pouring, namely uniformly spreading the stirred concrete A at a required pouring position, wherein the pouring thickness is 8-25cm, the spreading molding time is controlled within 40 minutes, the concrete A is not required to be completely solidified after molding, the concrete B is directly spread on the upper side of the concrete A, and the thickness of the concrete B is 5-25cm; and the two layers of concrete are synchronously poured, so that the working procedures are saved, and the bonding effect between the two layers of concrete is improved.

S5, curing, namely starting watering and curing after pouring is finished, wherein the environment is at the temperature of more than 30 ℃, and the watering interval is controlled to be 4-6 hours; the watering interval is 6-10h under the environment of 15-30 ℃; watering at a watering interval of 8-12h below 5-15 ℃; watering at a watering interval of 10-14h below 5 ℃; curing for 5-8 days.

Standard parts used in the application file can be purchased from the market, the specific connection mode of each part adopts conventional means such as mature bolts, rivets and welding in the prior art, the electric sliding rail sliding seat, the air cylinder, the welding machine, the electric telescopic rod and the internal parts of the controller all adopt conventional models in the prior art, the internal structure of the electric sliding rail sliding seat belongs to the prior art structure, a worker can complete normal operation of the electric sliding rail sliding seat according to the prior art manual, and the circuit connection adopts the conventional connection mode in the prior art, so that specific description is not made.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. The planting concrete comprises an A concrete layer (1) formed by casting A concrete and a B concrete layer (2) formed by casting B concrete, and is characterized in that: the B concrete layer (2) is used for planting vegetation, and the A concrete layer (1) is used for being paved on the lower layer of the B concrete layer (2);

2. A planting concrete according to claim 1, wherein: a concrete layer (1) or/and B concrete layer (2) is internally provided with a plurality of water retention ropes (3) which are horizontally paved, and the water retention ropes (3) are arranged in a crisscross manner so that a plurality of rectangular blank spaces are divided among the water retention ropes (3).

3. A planting concrete according to claim 2, wherein: the water retention rope (3) in the B concrete layer (2) is positioned at a position 3-10cm away from the surface of the B concrete layer (2), a first layer of B concrete layer (2) with the thickness of 2-15cm is paved on the surface of the A concrete layer (1) in the paving process of the B concrete layer (2), the water retention rope (3) is paved on the surface before the first layer of B concrete layer (2) is not dried, and then a second layer of B concrete layer (2) with the thickness of 3-10cm is paved on the surfaces of the first layer of B concrete layer (2) and the water retention rope (3).

4. A planting concrete according to claim 3, wherein: the surface of the water retention rope (3) is wrapped with a degradable film, and the degradable film can be degraded in a natural environment.

5. The planting concrete according to claim 1, wherein the ecological nutrition particles comprise 100-110 parts of sheep manure, 40-50 parts of straw, 5-7 parts of fermentation liquor and 3-5 parts of lime powder, and the planting concrete comprises the following preparation steps:

6. A planting concrete according to claim 1, wherein: the concrete B also comprises 1-3 parts of plant fiber, wherein the plant fiber is coconut fiber or cotton fiber.

7. A planting concrete according to claim 1, wherein: the A coagulation further comprises 5-8 parts of steel fibers, wherein the length of the steel fibers is 20-30cm, and the diameter of the steel fibers is 0.06-0.1mm.

8. A planting concrete according to claim 1, wherein: the degradable film is a starch-based biodegradable film, and the natural environment degradation time of the starch-based biodegradable film is 30-90d.

9. A planting concrete according to claim 1, wherein: the concrete A and/or the concrete B further comprise 10-15 parts of super absorbent resin, and the super absorbent resin is added into the concrete A and/or the concrete B after being pre-swelled by water absorption.

10. A method for preparing and constructing a planted concrete, comprising the planted concrete according to any one of claims 1 to 9, characterized by comprising the following preparation steps: