Rubble retaining wall irrigation system for improving farmland water circulation and construction method

Abstract

The invention relates to the technical field of farmland water conservancy engineering, in particular to a rubble retaining wall irrigation system for improving farmland water circulation. The rubble retaining wall irrigation system for improving farmland water circulation specifically comprises a ditch, a filter screen layer, a pebble layer, an adsorption layer, a medium-coarse sand layer and geotechnical cloth which are laid on the left side and the right side of the bottom of the ditch, retaining wall layers located on the two sides above the geotechnical cloth, and a paving layer located between the retaining wall layers, undisturbed soil is backfilled on the surface of the paving layer. The device has the advantages of being capable of effectively preventing cultivation soil loss, good in water circulation performance and convenient for water body exchange among farmland drainage ditches, farmland ditches and soil.

Description

Technical Field

[0001] The invention relates to the technical field of farmland water conservancy engineering, and in particular to a rough stone retaining wall irrigation system and a construction method for improving farmland water circulation. Background Art

[0002] With the rapid development of industrialization, urbanization and agricultural modernization, the country pays great attention to and vigorously develops and strengthens the protection of rural ecological environment.

[0003] Building high-standard farmland is a key measure to consolidate and improve grain production capacity and ensure national food security.

[0004] Traditional concrete drainage ditches and prefabricated drainage ditches (such as U-shaped channels) between farmlands are difficult to maintain after construction and require regular cleaning. They have poor ecological landscape properties. Although they can effectively prevent soil loss, they do not have water circulation properties, resulting in the inability to exchange water between farmland drainage ditches, farm channels and soil, and poor precipitation and drainage effects.

[0005] Therefore, in view of the shortcomings of the prior art, a rough stone retaining wall irrigation system for improving farmland water circulation is provided. Summary of the invention

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a rough stone retaining wall irrigation system for improving farmland water circulation, aiming to solve the problem of poor water circulation performance and being unfavorable for water exchange between farmland and drainage ditch.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A rough stone retaining wall irrigation system for improving farmland water circulation, comprising: a ditch,

[0009] The filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile laid on the left and right sides of the bottom of the ditch,

[0010] The retaining wall layer is located on both sides of the geotextile, and the retaining wall layer includes a steel mesh layer and a rough stone wall, and the rough stone wall is located inside the steel mesh layer and

[0011] The paving layer is located between the retaining wall layers, and the surface of the paving layer is backfilled with original soil.

[0012] As a further improvement of the technical solution of the present invention, the pebble layer covers the filter layer, and the pebble layer is used for preliminary filtration of water quality.

[0013] The adsorption layer covers the pebble layer, and the adsorption layer further filters the water

[0014] The adsorption layer is covered by a medium-coarse sand layer, and the medium-coarse sand layer is used for purifying water and protecting the bottom soil. A geotextile covers the medium-coarse sand layer, and the geotextile is used for fixing the medium-coarse sand layer.

[0015] As a further improvement of the technical solution of the present invention, the ditch includes a farmland drainage ditch, and the height of the retaining wall layer is flush with the height of the original topographic line of the farmland.

[0016] As a further improvement of the technical solution of the present invention, the ditch also includes an agricultural ditch, and the height of the retaining wall layer is higher than the height of the original terrain line;

[0017] The rubble stone wall is in a stepped shape.

[0018] As a further improvement of the technical solution of the present invention, the rubble stone wall is formed by stacking rubble stones, pebbles, granite gravel, bricks and the like.

[0019] As a further improvement of the technical solution of the present invention, the paving layer includes rubble stones, pebbles, granite gravel and the like as the base.

[0020] As a further improvement of the technical solution of the present invention, the steel mesh layer is a galvanized steel mesh.

[0021] A construction method of a rough stone retaining wall irrigation system for improving farmland water circulation is applicable to the rough stone retaining wall irrigation system for improving farmland water circulation, and comprises the following steps:

[0022] S1: Trench excavation and leveling;

[0023] S2: Lay the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile in sequence at the bottom of the ditch;

[0024] S3: Construct retaining wall layers on both sides above the bottom of the ditch;

[0025] S4: construct geotextile, medium-coarse sand layer, adsorption layer, pebble layer and filter layer in sequence from the retaining wall layer to the inner wall of the ditch, and backfill the original soil between the filter layer and the inner wall of the ditch;

[0026] S5: Lay the paving layer between the retaining wall layers on both sides, and backfill the original soil on the surface of the paving layer.

[0027] As a further improvement of the technical solution of the present invention, in step S3, the following steps are included:

[0028] S31: Construction positioning;

[0029] S32: Formulate the shape of the steel mesh layer and lay the steel mesh layer;

[0030] S33: piling rough stones into the steel mesh layer to form a rough stone wall;

[0031] S34: Encapsulation and leveling of steel mesh layer.

[0032] As a further improvement of the technical solution of the present invention, in steps S2-S3, the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile at the bottom are interconnected with the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile on both sides.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] In the rubble stone retaining wall irrigation system for improving farmland water circulation of the present invention, a filter layer, a pebble layer, an adsorption layer, a medium-coarse sand layer, a geotextile, a retaining wall layer and a paving layer are arranged in the ditch. Compared with drainage ditches of traditional masonry, poured concrete, prefabricated U-shaped channels and the like, the rubble stone wall irrigation system does not require masonry, does not require mixing materials such as concrete, compounds, and fine aggregates, has strong self-permeability, is convenient for water exchange between drainage ditches, farm channels and farmland, and has good precipitation and drainage effects. At the same time, it is beneficial to protect water bodies and soil, can better prevent the loss of cultivated soil, ensure income in drought and flood, and achieve stable and high yields, and empower the realization of agricultural modernization. The rubble stone retaining wall irrigation system for improving farmland water circulation has the characteristics of being able to effectively prevent the loss of cultivated soil. At the same time, it has good water circulation performance and is convenient for water exchange between farmland drainage ditches, farm channels and soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The technology of the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0036] Figure 1 It is a schematic diagram of the structure of the farmland drainage ditch in the rough stone retaining wall irrigation system for improving farmland water circulation of the present invention;

[0037] Figure 2 It is a structural schematic diagram of the farm channel in the rough stone retaining wall irrigation system for improving farmland water circulation of the present invention.

[0038] In the figure:

[0039] 1. Ditch; 2. Filter layer; 3. Pebble layer; 4. Adsorption layer; 5. Medium-coarse sand layer; 6. Geotextile; 7. Retaining wall layer; 8. Paving layer. DETAILED DESCRIPTION

[0040] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0041] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the drawings.

[0042] Reference Figure 1 to Figure 2 , a rubble retaining wall irrigation system that improves farmland water circulation.

[0043] In one embodiment, it includes a ditch 1, a filter layer 2, a pebble layer 3, an adsorption layer 4, a medium-coarse sand layer 5 and a geotextile 6, and a retaining wall layer 7 located on both sides above the geotextile 6. The retaining wall layer 7 includes a steel mesh layer and a rough stone wall. The rough stone wall is located inside the steel mesh layer and a ground layer 8 located between the retaining wall layers 7. The surface of the ground layer 8 is backfilled with original soil. The main structure of the rough stone retaining wall irrigation system is rough stone and pebbles, which are durable, recyclable and reusable.

[0044] Among them, by setting a filter layer 2, a pebble layer 3, an adsorption layer 4, a medium-coarse sand layer 5, a geotextile 6, a retaining wall layer 7 and a paving layer 8 in the ditch 1, compared with the drainage ditches of traditional masonry, poured concrete, prefabricated U-shaped channels, etc., this rubble stone wall irrigation system does not require masonry, concrete, compounds, fine aggregates and other mixing materials, has strong self-permeability, is convenient for water exchange between drainage ditches, farm channels and farmland, and has good precipitation and drainage effects. At the same time, it is beneficial to protect water bodies and soil, can better prevent the loss of cultivated soil, ensure income in drought and flood, and achieve stable and high yields, and empower the realization of agricultural modernization. The rubble stone retaining wall irrigation system for improving farmland water circulation has the characteristics of effectively preventing the loss of cultivated soil. At the same time, it has good water circulation performance and is convenient for water exchange between farmland drainage ditches, farm channels and soil. This rough stone retaining wall irrigation system has low cost, no pollution, no need for chemical agents, adhesives and other compounds, less dust, saves water resources, has good green environmental protection, low cost, wide application, easy promotion and other advantages, and can be applied to various drainage and precipitation agricultural canals in rural areas. The structure is simple and beautiful, coordinated with nature, and is a simple and romantic landscape.

[0045] In one embodiment, the pebble layer 3 covers the filter layer 2, and the pebble layer 3 is used to preliminarily filter the water quality and stabilize the soil layers on both sides of the agricultural canal and the drainage ditch; the adsorption layer 4 covers the pebble layer 3, and the adsorption layer 4 further filters the water quality; the medium-coarse sand layer 5 covers the adsorption layer 4, and the medium-coarse sand layer 5 is used to purify the water body and protect the underlying soil; the geotextile 6 covers the medium-coarse sand layer 5, and the geotextile 6 is used to fix the medium-coarse sand layer 5, which can prevent the laid medium-coarse sand from being eroded and lost by turbulent water flow, or lost due to water exchange.

[0046] In one embodiment, referring to Figure 1As shown, the ditch 1 includes a farmland drainage ditch. Since the farmland drainage ditch is shallow, only one retaining wall layer 7 is required, and the height of the retaining wall layer 7 is flush with the height of the original topographic line of the farmland.

[0047] In another embodiment, referring to Figure 2 As shown, the ditch 1 also includes an agricultural canal. Since the agricultural canal is larger and higher, it is necessary to stack the retaining wall layers 7. The height of the retaining wall layers 7 is higher than the height of the original terrain line; the rubble stone wall is stepped.

[0048] In one embodiment, the rubble stone wall is formed by stacking rubble stones, pebbles, granite gravel, bricks, etc.

[0049] In one embodiment, the paving layer 8 includes rubble, pebbles, granite gravel and the like as the bottom layer, which is beneficial to slowing down the water flow in agricultural channels and drainage ditches, providing a good living and breeding space for microorganisms, and providing a good attachment point for various aquatic grass seeds; over time, it has a significant optimization effect on the water body in the irrigation system.

[0050] In one embodiment, the steel mesh layer is a galvanized steel mesh, which is conducive to fixing the stones for stacking and forming, and the galvanized steel mesh has a large tensile force, a strong structural integrity, a large overall deadweight, and is not easy to collapse or deform. After the galvanized steel mesh is prepared, stones are stacked in the galvanized steel mesh, using local materials and having a low cost. Uncut stones, pebbles, granite gravel, bricks, etc. can be used for forming.

[0051] A construction method of a rough stone retaining wall irrigation system for improving farmland water circulation is applicable to the rough stone retaining wall irrigation system for improving farmland water circulation, and comprises the following steps:

[0052] S1: Excavate and level the ditch; lay the filter layer at the bottom of the agricultural ditch and the drainage ditch to fix the pebble layer in the next step;

[0053] S2: Lay the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile in sequence at the bottom of the ditch;

[0054] S3: Construct retaining wall layers on both sides above the bottom of the ditch;

[0055] S4: construct geotextile, medium-coarse sand layer, adsorption layer, pebble layer and filter layer in sequence from the retaining wall layer to the inner wall of the ditch, and backfill the original soil between the filter layer and the inner wall of the ditch;

[0056] S5: Lay the paving layer between the retaining wall layers on both sides, and backfill the original soil on the surface of the paving layer.

[0057] In one embodiment, in step S3, the following steps are included:

[0058] S31: Construction positioning;

[0059] S32: Formulate the shape of the steel mesh layer and lay the steel mesh layer;

[0060] S33: piling rough stones into the steel mesh layer to form a rough stone wall;

[0061] S34: Encapsulation and leveling of steel mesh layer.

[0062] In one embodiment, in steps S2-S3, the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile at the bottom are interconnected with the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile at both sides.

[0063] In one embodiment, in step S34, the steel mesh layer is packaged and flattened to prevent scratches from passers-by, birds and animals.

[0064] For other contents of the rubble retaining wall irrigation system for improving farmland water circulation described in the present invention, please refer to the prior art and will not be repeated here.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Therefore, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

[0066] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0067] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A rough stone retaining wall irrigation system for improving farmland water circulation, characterized in that: include: A ditch, a filter layer, a pebble layer, an adsorption layer, a medium-coarse sand layer and a geotextile laid on the left and right sides of the bottom of the ditch, The retaining wall layer is located on both sides of the geotextile, and the retaining wall layer includes a steel mesh layer and a rough stone wall, and the rough stone wall is located inside the steel mesh layer and The paving layer is located between the retaining wall layers, and the surface of the paving layer is backfilled with original soil.

2. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The pebble layer covers the filter layer, and the pebble layer is used for preliminary filtering of water quality. The adsorption layer covers the pebble layer, and the adsorption layer further filters the water The adsorption layer is covered by a medium-coarse sand layer, and the medium-coarse sand layer is used for purifying water and protecting the bottom soil. A geotextile covers the medium-coarse sand layer, and the geotextile is used for fixing the medium-coarse sand layer.

3. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The ditch includes a farmland drainage ditch, and the height of the retaining wall layer is flush with the height of the original topographic line of the farmland.

4. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The ditch also includes an agricultural ditch, and the height of the retaining wall layer is higher than the height of the original terrain line; The rubble stone wall is in a stepped shape.

5. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The rubble stone wall is formed by piling up rubble stones, pebbles, granite gravel, bricks and the like.

6. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The paving layer includes rubble stones, pebbles, granite gravel and the like.

7. The rough stone retaining wall irrigation system for improving farmland water circulation according to claim 1 is characterized in that: The steel mesh layer is a galvanized steel wire mesh.

8. A construction method for a rough stone retaining wall irrigation system for improving farmland water circulation, applicable to the rough stone retaining wall irrigation system for improving farmland water circulation as claimed in any one of claims 1 to 7, characterized in that: The following steps are involved: S1: Trench excavation and leveling; S2: Lay the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile in sequence at the bottom of the ditch; S3: Construct retaining wall layers on both sides above the bottom of the ditch; S4: construct geotextile, medium-coarse sand layer, adsorption layer, pebble layer and filter layer in sequence from the retaining wall layer to the inner wall of the ditch, and backfill the original soil between the filter layer and the inner wall of the ditch; S5: Lay the paving layer between the retaining wall layers on both sides, and backfill the original soil on the surface of the paving layer.

9. The construction method of a rough stone retaining wall irrigation system for improving farmland water circulation according to claim 8, characterized in that: In step S3, the following steps are included: S31: Construction positioning; S32: Formulate the shape of the steel mesh layer and lay the steel mesh layer; S33: piling rough stones into the steel mesh layer to form a rough stone wall; S34: Encapsulation and leveling of steel mesh layer.

10. The construction method of a rough stone retaining wall irrigation system for improving farmland water circulation according to claim 8, characterized in that: In steps S2-S3, the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile at the bottom are interconnected with the filter layer, pebble layer, adsorption layer, medium-coarse sand layer and geotextile at both sides.

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