CN114223427A - Prefabricated water-retention plant-growing pervious concrete and preparation method thereof - Google Patents

Abstract

The invention belongs to the technical field of precast concrete, in particular to precast type water-retaining plant-growing pervious concrete, which comprises the following components in percentage by weight: the concrete member comprises a basic concrete member, a water retention concrete member and a pervious concrete member, wherein a permeation groove is formed in the basic concrete member, and a bolt body is filled in the permeation groove; and the water-retaining concrete piece is filled in the basic concrete piece. According to the invention, the prefabricated water-retaining plant-growing pervious concrete can be formed by matching the prefabricated basic concrete piece and the pervious concrete piece with the water-retaining concrete piece which is manufactured in real time, the flowing of the surrounding water and nutrients can be kept by adopting the bolt body, the plant growth is facilitated, the pervious concrete piece can keep good water flow infiltration, the structural strength is higher, the plant planting is facilitated, the water-retaining concrete piece has better water-retaining capacity, the spreading of plant root systems in the pervious concrete piece and the water-retaining concrete piece is facilitated, the plant planting and the growth are greatly facilitated, the structural design is novel and reasonable, and the popularization and the use are facilitated.

Description

Prefabricated water-retention plant-growing pervious concrete and preparation method thereof

Technical Field

The invention relates to the technical field of precast concrete, in particular to precast water-retaining plant-growing pervious concrete and a preparation method thereof.

Background

The plant-growing concrete is a concrete member for plant growing, compared with the traditional concrete, the plant growing concrete is easier to plant vegetation so as to meet the use requirements under various conditions, the precast concrete is cast elsewhere instead of at the final construction site, and the precast concrete with different sizes and shapes can adopt fibers to enhance the reliability and the toughness after cracking.

In recent years, precast concrete has become a new favorite in the construction industry due to its low cost and excellent performance, and the precast concrete can be widely applied to the fields of roadblocks, water storage tanks, exterior walls, buildings and decoration due to the combination of various styles and weights and excellent flexural strength and performance, and can accelerate the house industrialization speed.

However, the traditional plant-growing concrete has certain defects in the practical application process, such as poor water permeability and water retention performance of the concrete structure, compact structure, no contribution to plant growth and unreasonable structure.

Disclosure of Invention

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the invention is as follows:

prefabricated formula water retention vegetation pervious concrete includes: the concrete member comprises a basic concrete member, a water retention concrete member and a pervious concrete member, wherein a permeation groove is formed in the basic concrete member, and a bolt body is filled in the permeation groove; the utility model discloses a concrete member of guarantor's water retention, including guarantor's water retention concrete spare, guarantor's water retention concrete spare is filled in the basic concrete spare, the outside of guarantor's water retention concrete spare is equipped with separates the net, just water retention concrete spare includes that following parts by weight constitutes: 170 parts of soybean straw, 10-15 parts of BSC-WY03 additive, 220 parts of pervious concrete raw material, 30-50 parts of biomass chips, 40-65 parts of pottery clay, 15-30 parts of organic fertilizer, 5-10 parts of water reducer and a proper amount of water; the concrete spare that permeates water set up in the basic concrete spare and be located on the water retention concrete spare, be provided with the grid groove for planting on the concrete spare that permeates water, just the concrete spare that permeates water includes that following parts by weight constitutes: 50-70 parts of plant bran, 8-12 parts of BSC-J active additive, 80-100 parts of pervious concrete, 5-10 parts of plant ash, 20-40 parts of biomass fiber, 15-35 parts of pottery clay, 10-15 parts of organic fertilizer and a proper amount of water; the permeable concrete member is provided with planting soil for planting, and a fine sand layer and a fine stone layer are sequentially paved on the upper layer of the planting soil.

By adopting the technical scheme, the prefabricated water-retaining plant-growing pervious concrete can be formed by matching the prefabricated basic concrete part and the pervious concrete part with the water-retaining concrete part which is manufactured in real time, the plug body can keep the flow of the surrounding water and nutrients, and is beneficial to plant growth, the pervious concrete part can keep good water flow infiltration, the structural strength is higher, the planting of plants is facilitated, the water-retaining concrete part has better water-retaining capacity, and the plant root system can be favorably spread in the pervious concrete part and the water-retaining concrete part, so that the planting and the growth of the plants are greatly facilitated, and the structural design is novel and reasonable.

The present invention in a preferred example may be further configured to: install the fixed column on the basic concrete piece, just be fixed with solid fixed ring on the fixed column, gu be connected with on the fixed ring and be located the protection network that is used for the protection on the graticule layer.

Through adopting above-mentioned technical scheme, the installation of the protection network of being convenient for protects planting region soil, and the effect is better.

The present invention in a preferred example may be further configured to: the bottom of basic concrete spare still is equipped with the fixed column, just the side of basic concrete spare is equipped with the built-up parts.

Through adopting above-mentioned technical scheme, the setting and the equipment of basic concrete spare of being convenient for, it is comparatively simple and convenient to construct.

The present invention in a preferred example may be further configured to: the plug body adopts a biomass forming structure, and is plant straws and shells which are subjected to crushing, drying and pressing forming.

By adopting the technical scheme, the nutrient components in water flow and soil can penetrate through the soil, so that the soil environment can be kept balanced conveniently, and the growth of plants is facilitated.

The present invention in a preferred example may be further configured to: the soybean straw is cut, dried and screened, and the length value of the soybean straw is 25-50 mm.

By adopting the technical scheme, the growth of the plant root system is facilitated.

The present invention in a preferred example may be further configured to: the biomass chips are formed by combining one or more of plant straws, plant shells, plant leaves and plant skins, and the particle size of the screened biomass chips is 4.5-7.8 mm.

By adopting the technical scheme, the nutrient components can be provided for the plants.

The present invention in a preferred example may be further configured to: the plant bran is one or more of rice, wheat, peanut and millet shells, the particle size is 3.5-6.2mm after crushing, and the pH value is 4.8-6.

By adopting the technical scheme, a good growing environment is created for plant growth.

The present invention in a preferred example may be further configured to: the pottery clay is granulated into honeycomb shape, and the particle size is 3.2-4.5cm after drying.

Through adopting above-mentioned technical scheme, be convenient for protect water, prevent that water from excessively running off.

The present invention in a preferred example may be further configured to: the pervious concrete member is formed by integral pouring, and the height value of the partition edges between the grid grooves is one half of the height value of the grid grooves.

By adopting the technical scheme, the deep loading of plants is facilitated, and the surface water-resistant effect is improved.

The present invention in a preferred example may be further configured to: the method comprises the following steps:

s1: prefabricating a basic concrete part, namely, adopting a concave lower die and a flat upper die, carrying out dislocation die assembly, wherein the lower die is provided with a plurality of groups of transverse vertical rods for forming permeation grooves and concave holes for forming fixed columns, and carrying out pouring forming;

s2: weighing raw materials consisting of the water-retaining concrete part according to the parts by weight;

s3: cutting, drying and screening soybean straws, selecting a biomass material with the length value of 25-50mm for use, crushing the biomass material by a crusher, screening biomass chips with the particle size of 4.5-7.8mm, processing argil into blocks with the particle size of 3.2-4.5cm by a granulator, and drying;

s4: putting the pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, then sequentially putting the soybean straws, the BSC-WY03 additive, the biomass chips, the organic fertilizer and the water reducing agent, stirring for 25min, then adding argil, and stirring for 3min to prepare a water-retaining concrete part;

s5: crushing, drying and pressing the biomass material to form a shape matched with the infiltration tank, and preparing a plug body;

s6: prefabricating a pervious concrete part, and weighing raw materials consisting of the pervious concrete part according to parts by weight;

s7: putting the pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, sequentially putting the treated plant bran, BSC-J active additive, plant ash, biomass fiber and organic fertilizer, stirring for 35min, adding argil, stirring for 3min, introducing the prepared mixture into a pouring way by adopting a concave lower die and a grid-protruded upper die, pouring and molding, and drying to prepare a pervious concrete part;

s8: taking out the basic concrete piece manufactured in the step S1, placing the bolt body into the infiltration groove, paving a separation net in an inner cavity of the basic concrete piece, pouring the water-retaining concrete piece manufactured in the step S4 into the infiltration groove, wherein the height value of the water-retaining concrete piece is not more than one half of the height value of the inner cavity of the basic concrete piece, paving the separation net on the water-retaining concrete piece after proper drying, and then placing the water-permeable concrete piece manufactured in the step S7 on the water-retaining concrete piece to enable the top surface of the water-permeable concrete piece to be flush with the infiltration groove;

s9: the prefabricated water-retaining plant-growing pervious concrete is prepared and put into use in time.

The technical scheme of the invention has the following beneficial technical effects:

according to the invention, the prefabricated water-retaining plant-growing pervious concrete can be formed by matching the prefabricated basic concrete piece and the pervious concrete piece with the water-retaining concrete piece which is manufactured in real time, the flowing of the surrounding water and nutrients can be kept by adopting the bolt body, the plant growth is facilitated, the pervious concrete piece can keep good water flow infiltration, the structural strength is higher, the plant planting is facilitated, the water-retaining concrete piece has better water-retaining capacity, the spreading of plant root systems in the pervious concrete piece and the water-retaining concrete piece is facilitated, the plant planting and the growth are greatly facilitated, the structural design is novel and reasonable, and the popularization and the use are facilitated.

Drawings

FIG. 1 is a cross-sectional view of one embodiment of the present invention;

FIG. 2 is a top view of one embodiment of the present invention;

FIG. 3 is an enlarged view at A of one embodiment of the present invention;

fig. 4 is a schematic diagram of a protection net according to an embodiment of the present invention.

Reference numerals:

100. a basic concrete member; 110. a permeation groove; 120. a plug body; 130. a fixing ring; 140. a protective net; 150. fixing a column;

200. a water-retaining concrete member; 210. separating the net;

300. a pervious concrete member; 310. planting soil; 320. a fine sand layer; 330. a fine stone layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.

The following describes a prefabricated water-retaining plant-growing pervious concrete and a preparation method thereof, which are provided by some embodiments of the invention, with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 4, the prefabricated water-retaining plant-growing pervious concrete provided by the invention comprises: the concrete member comprises a basic concrete member 100, a water retention concrete member 200 and a pervious concrete member 300, wherein the basic concrete member 100 is provided with a permeation groove 110, and a bolt body 120 is filled in the permeation groove 110; the water retention concrete member 200 is filled in the basic concrete member 100, the outer side of the water retention concrete member 200 is provided with a separation net 210, and the water retention concrete member 200 comprises the following components in parts by weight:

170 parts of soybean straw, 10-15 parts of BSC-WY03 additive, 220 parts of pervious concrete raw material, 30-50 parts of biomass chips, 40-65 parts of pottery clay, 15-30 parts of organic fertilizer, 5-10 parts of water reducer and a proper amount of water.

The concrete piece 300 that permeates water sets up in basic concrete piece 100 and is located on guarantor's water concrete piece 200, is provided with the grid groove for planting on the concrete piece 300 that permeates water, and the concrete piece 300 that permeates water includes that following parts by weight constitutes:

50-70 parts of plant bran, 8-12 parts of BSC-J active additive, 80-100 parts of pervious concrete, 5-10 parts of plant ash, 20-40 parts of biomass fiber, 15-35 parts of pottery clay, 10-15 parts of organic fertilizer and a proper amount of water;

further, planting soil 310 for planting is arranged on the pervious concrete member 300, and a fine sand layer 320 and a fine stone layer 330 are sequentially paved on the upper layer of the planting soil 310.

In the above embodiment, the bolt body 120 is disposed on the basic concrete member 100, the fixing ring 130 is fixed on the bolt body 120, the fixing ring 130 is connected with the protective net 140 for protection on the fine stone layer 330, and is used for mounting the protective net 140, so that the implementation is convenient, the bottom of the basic concrete member 100 is further provided with the fixing column 150, the side surface of the basic concrete member 100 is provided with the assembling member, the fixing column 150 is used for improving the connection strength between the basic concrete member 100 and the soil, preventing landslide, and simultaneously, the assembling member is used for facilitating the continuous laying of the basic concrete member 100,

specifically, the plug body 120 is of a biomass molding structure, and the plug body 120 is made of plant straws and shells which are crushed, dried and pressed, so that the growth and development of plant roots are facilitated.

Furthermore, the soybean straws are cut, dried and screened, the length value is 25-50mm, and the soybean straws are fluffy, so that water storage and plant root system growth are facilitated, and a good growth environment is created for plants.

Furthermore, the biomass chips are formed by combining one or more of plant straws, plant shells, plant leaves and plant skins, the particle size is 4.5-7.8mm after screening, various plant materials are used, different nutrient elements can be provided for plants, and the practical effect is good.

The plant bran is formed by combining one or more of rice, wheat, peanut and millet shells, the particle size is 3.5-6.2mm after crushing, the pH value is 4.8-6, the function of the plant bran is the same as that of biomass chips, the plant bran is more convenient for the penetration of root systems, and the plant bran is favorable for water retention.

In the embodiment, the pottery clay is granulated into honeycomb shapes, the particle size is 3.2-4.5cm after drying, the pervious concrete member 300 is formed by integrally pouring, and the height value of the separation edges of the grid grooves is half of that of the grid grooves, so that the subsequent laying of the planting soil 310, the fine sand layer 320 and the fine stone layer 330 is facilitated, and the plant growth is facilitated.

Example two:

the invention provides a prefabricated water-retaining plant-growing pervious concrete, which comprises: the concrete member comprises a basic concrete member 100, a water retention concrete member 200 and a pervious concrete member 300, wherein the basic concrete member 100 is provided with a permeation groove 110, and a bolt body 120 is filled in the permeation groove 110; the water retention concrete member 200 is filled in the basic concrete member 100, the outer side of the water retention concrete member 200 is provided with a separation net 210, and the water retention concrete member 200 comprises the following components in parts by weight:

130 parts of soybean straws, 12 parts of BSC-WY03 additives, 150 parts of pervious concrete raw materials, 35 parts of biomass chips, 45 parts of pottery clay, 20 parts of organic fertilizer, 6 parts of water reducing agent and a proper amount of water.

The concrete piece 300 that permeates water sets up in basic concrete piece 100 and is located on guarantor's water concrete piece 200, is provided with the grid groove for planting on the concrete piece 300 that permeates water, and the concrete piece 300 that permeates water includes that following parts by weight constitutes:

60 parts of plant bran, 9 parts of BSC-J active additive, 88 parts of pervious concrete, 7 parts of plant ash, 25 parts of biomass fiber, 21 parts of pottery clay, 12 parts of organic fertilizer and a proper amount of water;

further, planting soil 310 for planting is arranged on the pervious concrete member 300, and a fine sand layer 320 and a fine stone layer 330 are sequentially paved on the upper layer of the planting soil 310.

Example three:

the invention provides a prefabricated water-retaining plant-growing pervious concrete, which comprises: the concrete member comprises a basic concrete member 100, a water retention concrete member 200 and a pervious concrete member 300, wherein the basic concrete member 100 is provided with a permeation groove 110, and a bolt body 120 is filled in the permeation groove 110; the water retention concrete member 200 is filled in the basic concrete member 100, the outer side of the water retention concrete member 200 is provided with a separation net 210, and the water retention concrete member 200 comprises the following components in parts by weight:

150 parts of soybean straw, 14 parts of BSC-WY03 additive, 200 parts of pervious concrete raw material, 45 parts of biomass chips, 58 parts of pottery clay, 24 parts of organic fertilizer, 8 parts of water reducing agent and a proper amount of water.

The concrete piece 300 that permeates water sets up in basic concrete piece 100 and is located on guarantor's water concrete piece 200, is provided with the grid groove for planting on the concrete piece 300 that permeates water, and the concrete piece 300 that permeates water includes that following parts by weight constitutes:

65 parts of plant bran, 11 parts of BSC-J active additive, 92 parts of pervious concrete, 9 parts of plant ash, 35 parts of biomass fiber, 30 parts of pottery clay, 14 parts of organic fertilizer and a proper amount of water;

further, planting soil 310 for planting is arranged on the pervious concrete member 300, and a fine sand layer 320 and a fine stone layer 330 are sequentially paved on the upper layer of the planting soil 310.

The working principle and the using process of the invention are as follows:

s1: firstly, prefabricating a basic concrete part 100, adopting a concave lower die and a flat upper die, wherein a plurality of groups of transverse vertical rods for forming a permeation groove 110 and concave holes for forming a fixed column 150 are arranged on the lower die, and pouring and forming;

s2: then weighing all raw materials consisting of the water-retaining concrete part 200 according to the parts by weight;

s3: cutting, drying and screening the soybean straws, selecting biomass materials with the length value of 25-50mm for use, crushing the biomass materials by a crusher, screening biomass chips with the particle size of 4.5-7.8mm, processing the argil into blocks with the particle size of 3.2-4.5cm by a granulator, and drying;

s4: putting the pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, then sequentially putting the soybean straws, the BSC-WY03 additive, the biomass chips, the organic fertilizer and the water reducing agent, stirring for 25min, then adding argil, and stirring for 3min to prepare a water-retaining concrete part 200;

s5: then the biomass material is crushed, dried and pressed into a shape matched with the permeation groove 110 to prepare a plug body 120;

s6: prefabricating a pervious concrete part 300, and weighing raw materials consisting of the pervious concrete part 300 according to parts by weight;

s7: putting pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, sequentially putting the treated plant bran, BSC-J active additive, plant ash, biomass fiber and organic fertilizer, stirring for 35min, adding argil, stirring for 3min, pouring and molding a pervious concrete piece 300 by adopting a concave lower die and a grid protruding upper die, and drying to prepare the pervious concrete piece 300;

s8: taking out the basic concrete member 100 manufactured in the step S1, placing the bolt body 120 into the infiltration tank 110, paving the partition net 210 in the inner cavity of the basic concrete member 100, pouring the water retention concrete member 200 manufactured in the step S4 into the infiltration tank 110, wherein the height value of the water retention concrete member 200 does not exceed one half of the height value of the inner cavity of the basic concrete member 100, paving the partition net 210 on the water retention concrete member 200 after proper drying, and then placing the water permeability concrete member 300 manufactured in the step S7 on the water retention concrete member 200, so that the top surface of the water permeability concrete member 300 is flush with the infiltration tank 110;

s9: preparing prefabricated water-retaining plant-growing pervious concrete, and putting into use in time;

when the plant-growing permeable concrete fixing device is used, the prefabricated water-retaining plant-growing permeable concrete is fixed at a designated position through the fixing columns 150, then the prefabricated water-retaining plant-growing permeable concrete is sequentially spliced, the fixing columns 150 are installed on the basic concrete piece 100, the plant growing soil 310, the fine sand layer 320 and the fine stone layer 330 are sequentially paved in the permeable concrete piece 300 after the plants are grown, and finally the fixing ring 130 is fixed on the bolt body 120, so that the plants can penetrate through meshes on the protection net 140.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (10)

1. Prefabricated formula water retention vegetation pervious concrete, its characterized in that includes:

the concrete foundation comprises a foundation concrete piece (100), wherein a permeation groove (110) is formed in the foundation concrete piece (100), and a bolt body (120) is filled in the permeation groove (110);

water-retaining concrete spare (200), fill in basic concrete spare (100), the outside of water-retaining concrete spare (200) is equipped with separates net (210), just water-retaining concrete spare (200) includes that following parts by weight constitutes:

170 parts of soybean straw, 10-15 parts of BSC-WY03 additive, 220 parts of pervious concrete raw material, 30-50 parts of biomass chips, 40-65 parts of pottery clay, 15-30 parts of organic fertilizer, 5-10 parts of water reducer and a proper amount of water;

the pervious concrete spare (300), set up in the basic concrete spare (100) and be located on the moisture-retaining concrete spare (200), be provided with the grid groove for planting on the pervious concrete spare (300), just the pervious concrete spare (300) includes following parts by weight:

50-70 parts of plant bran, 8-12 parts of BSC-J active additive, 80-100 parts of pervious concrete, 5-10 parts of plant ash, 20-40 parts of biomass fiber, 15-35 parts of pottery clay, 10-15 parts of organic fertilizer and a proper amount of water;

be equipped with planting soil (310) that are used for planting on pervious concrete spare (300), just fine sand bed (320) and fine stone layer (330) have been laid in proper order on planting soil (310) upper strata.

2. The prefabricated water-retention plant-growing pervious concrete according to claim 1, wherein a fixing column (150) is installed on the foundation concrete piece (100), a fixing ring (130) is fixed on the fixing column (150), and a protective net (140) for protection is connected to the fixing ring (130) and is positioned on the fine stone layer (330).

3. The prefabricated water-retention plant-growing pervious concrete as claimed in claim 1, wherein fixing columns (150) are further arranged at the bottom of the basic concrete piece (100), and assembling pieces are arranged on the side surfaces of the basic concrete piece (100).

4. The prefabricated water-retaining plant-growing water-permeable concrete according to claim 1, wherein the plug body (120) is a biomass molding structure, and the plug body (120) is a plant straw and a fruit shell which are crushed, dried and pressed.

5. The prefabricated water-retaining plant-growing pervious concrete as claimed in claim 1, wherein the soybean straw is cut, dried and screened, and the length value is selected to be 25-50mm for use.

6. The prefabricated water-retaining plant-growing pervious concrete as claimed in claim 1, wherein the biomass chips are formed by combining one or more of plant straws, plant shells, plant leaves and plant skins, and the particle size after screening is 4.5-7.8 mm.

7. The prefabricated water-retaining plant-growing water-permeable concrete according to claim 1, wherein the plant bran is one or a combination of rice, wheat, peanut and millet shells, the particle size is 3.5-6.2mm after crushing, and the pH value is 4.8-6.

8. The prefabricated water-retaining vegetation pervious concrete as claimed in claim 1, wherein the pottery clay granules are honeycomb-shaped and have a particle size of 3.2-4.5cm after being dried.

9. The prefabricated water-retention plant-growing pervious concrete as claimed in claim 1, wherein the pervious concrete member (300) is cast in one piece, and the height of the grid grooves at the separation edges is half of the height of the grid grooves.

10. The preparation method of the prefabricated water-retaining plant-growing pervious concrete as claimed in any one of claims 1 to 9, characterized by comprising the following steps:

s1: prefabricating a foundation concrete part (100), adopting a concave lower die and a flat upper die, carrying out dislocation die assembly, arranging a plurality of groups of transverse vertical rods for forming a permeation groove (110) and concave holes for forming a fixed column (150) on the lower die, and carrying out pouring forming;

s2: weighing raw materials consisting of the water-retaining concrete piece (200) according to parts by weight;

s3: cutting, drying and screening soybean straws, selecting a biomass material with the length value of 25-50mm for use, crushing the biomass material by a crusher, screening biomass chips with the particle size of 4.5-7.8mm, processing argil into blocks with the particle size of 3.2-4.5cm by a granulator, and drying;

s4: putting the pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, then sequentially putting the soybean straws, the BSC-WY03 additive, the biomass chips, the organic fertilizer and the water reducing agent, stirring for 25min, then adding argil, and stirring for 3min to prepare a water-retaining concrete part (200);

s5: the biomass material is crushed, dried and pressed to be formed into a shape matched with the infiltration tank (110) to be made into a bolt body (120);

s6: prefabricating a pervious concrete part (300), and weighing raw materials consisting of the pervious concrete part (300) according to parts by weight;

s7: putting the pervious concrete raw materials into a stirrer, adding a proper amount of normal-temperature water, stirring for 5min, sequentially putting the treated plant bran, BSC-J active additive, plant ash, biomass fiber and organic fertilizer, stirring for 35min, adding argil, stirring for 3min, introducing the prepared mixture into a pouring way by adopting a concave lower die and a grid-protruded upper die, pouring and molding, and drying to prepare a pervious concrete part (300);

s8: taking out the basic concrete piece (100) manufactured in the step S1, placing the bolt body (120) into the infiltration groove (110), paving the partition net (210) in the inner cavity of the basic concrete piece (100), pouring the water-retention concrete piece (200) manufactured in the step S4 into the infiltration groove (110), wherein the height value of the water-retention concrete piece is not more than one half of the height value of the inner cavity of the basic concrete piece (100), paving the partition net (210) on the water-retention concrete piece (200) after proper drying, and then placing the water-permeable concrete piece (300) manufactured in the step S7 on the water-retention concrete piece (200) to enable the top surface of the water-permeable concrete piece (300) to be level with the infiltration groove (110);

s9: the prefabricated water-retaining plant-growing pervious concrete is prepared and put into use in time.

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