Water and soil conservation structure for fish-scale pit soil preparation

Abstract

The fish-scale pit soil preparation water and soil conservation structure comprises a semicircular pit body, the pit body is composed of a water storage area and a planting area, and a flow guide plate is fixedly arranged on the edge of the inner side of the pit body through a fixing pile; soil retaining structures are arranged on the outer sides of the guide plates; the drainage structure comprises a permeable layer arranged at the bottom of the water storage area and an overflow pipe arranged on the side wall of the flow guide plate, a vegetation slope protection layer is arranged on the slope surface of the planting area, and the vegetation slope protection layer is composed of vegetation bags and a fixing net; compared with the prior art, the water permeable layer can be used for purifying rainwater and slowly infiltrating the rainwater, so that the water storage capacity is enhanced, and meanwhile, underground water is supplemented. The diversion grooves in the diversion plates can guide water flow, damage caused by concentrated flushing of the water flow is avoided, the soil retaining structure formed by splicing the concrete prefabricated plates is combined, clamping grooves and clamping blocks between the soil retaining plates are meshed with one another, the structural stability is improved, soil pressure and water flow impact can be effectively resisted, and the risk of structural collapse is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fish scale pit technical field, concretely refers to fish scale pit whole earth water and soil conservation structure. BACKGROUND

[0002] In the water and soil conservation work of mountainous and hilly areas, fish scale pit whole earth technology is widely used, but traditional technology has many deficiencies. Traditional fish scale pit is mostly single soil pit structure, and the water storage capacity is poor. The valuable water resources are easy to flow away during rainfall, and it is difficult to meet the demand of vegetation growth and soil conservation.

[0003] The drainage and reinforcement design is not perfect, and the pit content is easy to accumulate water overflow during heavy rain, and the structure collapses due to the destruction of the pit body, which causes new water and soil loss problems. At the same time, the slope protection measures are missing, the slope soil is washed away by rainwater, the survival rate of vegetation is low, and the water and soil conservation function is greatly discounted.

[0004] In addition, the traditional retaining structure mostly uses stone block stacking, which is complicated and low in efficiency, and the stone block connection is not tight, the stability is poor, and the soil pressure is difficult to bear, and it is easy to loosen and collapse under the long-term rain erosion and soil extrusion, which cannot provide reliable protection for the fish scale pit. UTILITY MODEL CONTENT

[0005] (I) Technical problem

[0006] The utility model provides a kind of fish scale pit whole earth water and soil conservation structure, solves the problems such as the water storage capacity of traditional technology, structure is easy to collapse, water and soil loss control effect is poor and retaining structure construction efficiency is low, and stability is insufficient.

[0007] (II) Technical content

[0008] To solve the above technical problems, the technical scheme of the utility model is as follows: a fish scale pit whole earth water and soil conservation structure, comprising a semicircular pit body, the pit body is composed of a water storage area and a planting area, the water storage area is located on the downstream side of the pit body, and the planting area is located on the upstream side, the inner side edge of the pit body is fixed with a guide plate by a fixed stake;The outer side of the guide plate is provided with a retaining structure, and the retaining structure is formed by splicing a plurality of retaining plates, and the retaining plates are fixed to the ground by anchor rods;Further comprising a drainage structure, the drainage structure comprises a water permeable layer arranged at the bottom of the water storage area and an overflow pipe arranged on the side wall of the guide plate, one end of the overflow pipe penetrates through the retaining structure and extends to the outside;The slope surface of the planting area is provided with a vegetation slope protection layer, and the vegetation slope protection layer is composed of a vegetation bag and a fixing net.

[0009] Further, the guide plate is an arc-shaped steel plate, and a plurality of guide grooves are arranged on the upper end of the guide plate along the edge thereof.

[0010] Further, the retaining plate is a concrete prefabricated plate, one side of the retaining plate is provided with a clamping groove, and the other side is provided with a clamping block, and adjacent retaining plates are engaged with each other through the clamping groove and the clamping block.

[0011] Further, the water-permeable layer is formed by alternately laying gravel layers and geotextiles, and has a thickness of 20-40 cm.

[0012] Further, the vegetation bags are filled with mixed grass seed nutrient soil, and the fixed nets are fixed to the ground through ground insertion at four corners.

[0013] (Three) technical effects

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. Water storage capacity is improved: by setting the semicircular pit composed of the water storage area and the planting area, combined with the water-permeable layer and the flow guide plate at the bottom, rainwater can be effectively stored, the water-permeable layer can purify and slowly infiltrate the rainwater, and the water storage capacity is enhanced while the groundwater is supplemented. The flow guide groove on the flow guide plate can also guide the water flow to avoid damage caused by concentrated water flow.

[0016] 2. The structural stability is enhanced: the flow guide plate made of an arc-shaped steel plate is combined with the soil retaining structure spliced by the concrete precast plate and fixed by the anchor rod, the clamping groove and the clamping block between the soil retaining plates are mutually engaged, the structural stability is greatly improved, the soil pressure and water flow impact can be effectively resisted, and the risk of structural collapse is reduced.

[0017] 3. Good water and soil loss control effect: the vegetation slope protection layer composed of the vegetation bag and the fixed net is arranged on the slope surface of the planting area, the vegetation bag is filled with mixed grass seed nutrient soil, the vegetation growth can be quickly promoted, the fixed net can stabilize the vegetation bag, the slope soil can be effectively prevented from being washed away by rainwater, and the control ability of water and soil loss is enhanced.

[0018] 4. Convenient and efficient construction: compared with the stone block piling soil retaining structure, the concrete precast plate splicing method adopted by the utility model is more convenient and fast, the construction efficiency can be effectively improved, and the construction period is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a three-dimensional structure schematic of the fish scale pit land preparation water and soil conservation structure of the utility model Figure 1 .

[0020] Figure 2 is a three-dimensional structure schematic of the fish scale pit land preparation water and soil conservation structure of the utility model Figure 2 .

[0021] Figure 3 is a front view structural schematic of the fish scale pit land preparation water and soil conservation structure of the utility model.

[0022] Figure 4 is a left view structural schematic of the fish scale pit land preparation water and soil conservation structure of the utility model.

[0023] Figure 5 is the overhead structure schematic view of the fish scale pit land preparation water and soil conservation structure.

[0024] Figure 6 is the cross section structure schematic view of the fish scale pit land preparation water and soil conservation structure.

[0025] As shown in the figure: 1, pit body; 2, deflector; 3, soil retaining structure; 4, drainage structure; 5, vegetation slope protection layer; 11, water storage area; 12, planting area; 21, fixed pile; 22, flow guide groove; 31, soil retaining plate; 32, anchor rod; 33, clamping groove; 34, clamping block; 41, water permeable layer; 42, overflow pipe; 43, gravel layer; 44, geotextile; 51, planting bag; 52, fixed net. DETAILED DESCRIPTION

[0026] In the description of the present application, it is understood that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer", "center" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or configuration and operation, therefore it cannot be understood as a limitation on the present application.

[0027] In the description of the present application, it is also necessary to point out that, unless otherwise explicitly specified and limited, the terms "provided with", "mounted", "connected", "connected" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The present application will be further described in detail below in conjunction with the drawings.

[0029] In conjunction with the drawings Figure 1 to the drawings Figure 6, fish scale pit land preparation water and soil conservation structure, including semicircular pit body 1, the pit body 1 is composed of water storage area 11 and planting area 12, the water storage area 11 is located at the downstream side of pit body 1, and the planting area 12 is located at the upstream side, and the inner side edge of the pit body 1 is fixed with a flow guide plate 2 by a fixed stake 21;The outer side of the flow guide plate 2 is provided with a soil retaining structure 3, the soil retaining structure 3 is spliced by a plurality of soil retaining plates 31, and the soil retaining plates 31 are fixed to the ground by anchor rods 32;It also includes a drainage structure 4, the drainage structure 4 includes a water permeable layer 41 arranged at the bottom of the water storage area 11 and an overflow pipe 42 arranged on the side wall of the flow guide plate 2, one end of the overflow pipe 42 penetrates the soil retaining structure 3 and extends to the outside;The slope surface of the planting area 12 is provided with a vegetation slope protection layer 5, and the vegetation slope protection layer 5 is composed of a vegetation bag 51 and a fixing net 52.

[0030] In the embodiment, the flow guide plate 2 is an arc-shaped steel plate, and a plurality of flow guide grooves 22 are arranged on the upper end of the flow guide plate 2 along the edge thereof.

[0031] In the embodiment, the soil retaining plate 31 is a concrete prefabricated plate, one side of the soil retaining plate 31 is provided with a clamping groove 33, and the other side is provided with a clamping block 34, and adjacent soil retaining plates 31 are engaged with each other through the clamping groove 33 and the clamping block 34.

[0032] In the embodiment, the water permeable layer 41 is formed by alternately laying a gravel layer 43 and a geotextile 44, and the thickness is 20-40cm.

[0033] In the embodiment, the vegetation bag 51 is filled with mixed grass seed nutrient soil, and the fixing net 52 is fixed to the ground through the ground insertion at the four corners, so as to fix the vegetation bag 51 to the ground.

[0034] The working principle of the fish scale pit land preparation water and soil conservation structure is as follows: the layout of the water storage area 11 and the planting area 12 of the semicircular pit body 1 is utilized, and the flow guide plate 2, the soil retaining structure 3, the drainage structure 4 and the vegetation slope protection layer 5 are matched, so as to realize the collection, flow guide, storage, reasonable discharge of rainwater and effective fixation of soil, so as to achieve the purpose of water and soil conservation.

[0035] The working process of the fish scale pit land preparation water and soil conservation structure is as follows:

[0036] 1, rainwater collection and flow guide: when it rains, rainwater falls in the pit body 1 area. The flow guide plate 2 is an arc-shaped steel plate, and the flow guide grooves 22 on the upper end edge thereof can guide excessive rainwater to the outside of the water storage area 11, so as to avoid washing the pit body structure.

[0037] 2. Water Storage and Drainage: Water storage area 11 is responsible for storing rainwater. When the water volume reaches the height of overflow pipe 42, excess rainwater is discharged through overflow pipe 42, one end of which extends to the outside through retaining structure 3. At the bottom of water storage area 11, a permeable layer 41 with a thickness of 20-40cm is formed by alternating layers of gravel 43 and geotextile 44, which can filter and purify rainwater, allowing it to slowly infiltrate into the ground and replenish groundwater.

[0038] 3. Retaining soil and structural stability: The retaining structure 3 is composed of multiple retaining plates 31 that are fixed to the ground by anchor rods 32. The retaining plates 31 are precast concrete plates. Adjacent retaining plates 31 are interlocked by slots 33 and blocks 34, which can effectively prevent the soil in the pit from sliding down, maintain the structural stability of the pit, and withstand the lateral pressure of the soil.

[0039] 4. Slope Protection and Vegetation Growth: The vegetation slope protection layer 5 on the slope surface of planting area 12 consists of planting bags 51 filled with mixed grass seed nutrient soil and fixing nets 52 fixed to the four corners of the ground by ground stakes. The grass seeds in the planting bags 51 grow under suitable conditions, and the fixing nets 52 stabilize the planting bags 51, preventing the slope soil from being washed away by rainwater. As the vegetation grows, it further enhances the soil fixation capacity.

[0040] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A fish-scale pit land preparation and soil and water conservation structure, comprising a semi-circular pit (1), wherein the pit (1) consists of a water storage area (11) and a planting area (12), wherein the water storage area (11) is located on the downstream side of the pit (1) and the planting area (12) is located on the upstream side, characterized in that: The inner edge of the pit (1) is fixed with a guide plate (2) by a fixed pile (21); the outer side of the guide plate (2) is provided with a retaining structure (3), which is composed of multiple retaining plates (31) spliced ​​together, and the retaining plates (31) are fixed to the ground by anchor rods (32); It also includes a drainage structure (4), which includes a permeable layer (41) at the bottom of the water storage area (11) and an overflow pipe (42) on the side wall of the guide plate (2). One end of the overflow pipe (42) passes through the retaining structure (3) and extends to the outside. The slope surface of the planting area (12) is provided with a vegetation slope protection layer (5), which is composed of planting bags (51) and fixing nets (52).

2. The fish-scale pit land preparation and soil and water conservation structure according to claim 1, characterized in that: The guide plate (2) is an arc-shaped steel plate, and the upper end of the guide plate (2) is provided with several guide grooves (22) along its edge.

3. The fish-scale pit land preparation and soil and water conservation structure according to claim 1, characterized in that: The retaining plate (31) is a precast concrete plate. One side of the retaining plate (31) is provided with a slot (33) and the other side is provided with a block (34). Adjacent retaining plates (31) are interlocked with each other through the slot (33) and the block (34).

4. The fish-scale pit land preparation and soil and water conservation structure according to claim 1, characterized in that: The permeable layer (41) is formed by alternating layers of gravel (43) and geotextile (44), with a thickness of 20-40cm.

5. The fish-scale pit land preparation and soil and water conservation structure according to claim 1, characterized in that: The planting bag (51) is filled with nutrient soil mixed with grass seeds, and the fixing net (52) is fixed to the ground at all four corners by ground inserts.

Images