Biological sand stabilization structure in desert area
By using geomembranes and waste tire structures in desert areas, a framework for plant roots to stabilize sand is formed, solving the problem of low plant survival rates and achieving efficient sand stabilization and ecological restoration.
Patent Information
- Application Number
- CN202520357054.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-03
AI Technical Summary
In desert regions, plant survival rates are low and life cycles are short, resulting in poor sand-fixing effects.
The structure uses a geomembrane and waste tires buried in the sand layer. The waste tires are fixed by spiral ground anchors, and plants are planted inside. The geomembrane's impermeability and organic matter replenish the soil organic matter, forming a framework structure for plant roots to stabilize the sand.
It improves the survival rate and lifespan of plants, reduces wind and sand erosion, improves soil structure, enhances sand fixation effect, and reduces construction complexity and resource waste.
Smart Images
Figure CN223880309U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand prevention and treatment engineering field in desert area, especially relate to a biological sand fixation structure in desert area. BACKGROUND
[0002] Sandstorm is a disastrous weather occurring in desert and arid area, which not only affects the local area, but also influences the ecology, environment and climate of the downstream area through atmospheric transmission. The existing sand fixation in desert area mainly has the following treatment methods: engineering sand fixation, chemical sand fixation and biological sand fixation, wherein the biological sand fixation is mainly used, that is, through enclosure and planting plants and other means, a technical measure for preventing and treating desert, stabilizing oasis, improving the environmental quality and production potential of sand area is achieved. The biological sand fixation is mainly realized by a greening planting structure, and the survival rate of the single greening planting structure is low. The reasons are as follows: first, the precipitation in desert area is rare, and the annual precipitation is usually very low. The growth of plants needs sufficient water for photosynthesis, maintaining normal metabolism of cells and keeping the upright state of plants; second, the temperature in desert is usually high during the day, and high temperature will make plants lose more water through transpiration, further aggravating the water shortage of plants; third, the wind in desert will affect plants, loosen the root system of plants and even pull them out. Therefore, the planted plants cannot survive for a long time. SUMMARY
[0003] The utility model aims at providing a biological sand fixation structure in desert area, so as to solve the problem of low survival rate and short survival period of plants planted directly in sand layer, resulting in poor sand fixation effect.
[0004] In order to solve the above technical problem, the utility model provides a technical scheme of a biological sand fixation structure in desert area, which comprises a geomembrane buried in a sand layer, a waste tire partially buried in the sand layer and partially exposed to the sand layer, a plurality of spiral ground anchors distributed around the circumference of the waste tire and fixed in the sand layer, plants planted in the hollow area of the inner diameter of the waste tire, roots of the plants located in the sand layer above the geomembrane, and organic matter laid in the hollow area of the inner diameter of the waste tire covering the sand layer.
[0005] Further, the biological sand fixation structure in desert area provided by the utility model is characterized in that the waste tire is partially buried in the sand layer through a sand pit constructed in the sand layer.
[0006] Further, the biological sand fixation structure in desert area provided by the utility model is characterized in that the geomembrane is horizontally buried in the sand layer.
[0007] Further, the biological sand fixation structure in desert area provided by the utility model is characterized in that the geomembrane is concave in the middle and convex at the edge and is buried in the sand layer. Further, the biological sand fixation structure in desert area provided by the utility model is characterized in that the geomembrane is concave in the middle and convex at the edge and is buried in the sand layer.
[0008] Further, the desert biological sand-fixing structure also comprises a soil layer laid on the sand layer.
[0009] Further, the desert biological sand-fixing structure also comprises a soil layer laid on the sand layer.
[0010] Compared with the prior art, the desert biological sand-fixing structure has the following advantages:
[0011] The desert biological sand-fixing structure provided by the utility model, plants planted in the desert region are taken as a frame structure with the root system of the plants deeply penetrating into the sand layer, so that the sand is solidified by the root system of the plants; the waste tire is deeply penetrated into the sand layer to solidify the sand by the multiple spiral anchors, the spiral blades of the spiral anchors and the sand layer are tightly engaged, which can provide greater pullout resistance and lateral resistance, so as to ensure the stability of the waste tire fixed on the sand layer; the wind and sand are blocked by the physical structure of the waste tire, the advantages of the self weight and high temperature resistance of the waste tire are utilized to improve the blocking effect on the wind and sand, meanwhile, the frame structure of the waste tire provides stable protection for the growth of the plants, reduces the erosion of the wind and sand on the plant seedlings and the risk of the plants being pulled out by the wind, and improves the survival rate and survival period of the plants; the organic matter is laid in the inner diameter central cavity of the waste tire, the organic matter is supplemented to the sand layer or the soil layer above the sand layer, the soil structure is improved, the soil fertility is increased, and the growth of the plants is facilitated, so that the survival rate and survival period of the plants are improved again; the annular cavity of the waste tire is taken as a water storage container, which can provide the plants with the water storage and water retention function, the organic matter can absorb water, the water stored in the annular cavity of the waste tire provides water for the plants, prevents the precious water resources for irrigating the plants from being rapidly lost, and improves the survival rate and survival period of the plants again; the water is intercepted above the sand layer of the geomembrane layer by the impermeable property of the geomembrane, the water irrigated to the plants is prevented from flowing downward into the sand layer and being lost, the water storage capacity of the soil is improved by the impermeable property of the geomembrane, so that a better survival environment is provided for the growth of the plants, and the survival rate and survival period of the plants are improved again.
[0012] The desert biological sand-fixing structure provided by the utility model solidifies the sand by the root system of the plants with improved survival rate, the waste tire taken as a frame structure and the spiral anchors connected to the waste tire and penetrating into the sand layer, that is, the sand is solidified by the synergistic effect of the root system of the plants with improved survival rate, the waste tire taken as a frame structure and the spiral anchors connected to the waste tire, so that the sandification is treated, the sand layer is prevented from further sandification, and the severe weather of sandstorms is reduced.
[0013] The spiral blade of the spiral ground anchor can be rotated to penetrate into the sand layer, and the sand layer does not need to be drilled in advance, so that the sand layer has the advantages of convenient construction and short construction period; the waste tire solidifies the sand layer, improves the resource utilization rate of the waste tire, and avoids the waste and pollution problems of the waste tire. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 is a vertical structure schematic diagram of the biological sand-fixing structure in a desert area;
[0015] Fig. 2 is a plane schematic diagram of the waste tire in which organic matters are laid;
[0016] shown in the drawings:
[0017] 100, the biological sand-fixing structure in a desert area, 101, the geomembrane, 102, the waste tire, 103, the spiral ground anchor, 104, the plant, 105, the organic matter, 106, the soil layer, 107, the sand layer. DETAILED DESCRIPTION
[0018] The utility model will be described in detail below in combination with the drawings: according to the following description, the advantages and characteristics of the utility model will be more clear.It should be noted that the drawings are all very simplified and all use non-precise scale, and are only used to facilitate, clear and assist the purpose of explaining the embodiment of the utility model.
[0019] Please refer to Figs. 1-2 The utility model embodiment provides a biological sand-fixing structure 100 in a desert area, including the geomembrane 101 buried in the sand layer 107, the waste tire 102 partially buried in the sand layer 107, partially exposed in the sand layer 107, the waste tire 102 is fixedly arranged in the sand layer 107 by the multiple spiral ground anchors 103 distributed around the circumference thereof, the plant 104 planted in the inner diameter hollow area of the waste tire 102, the root system of the plant 104 is located in the sand layer 107 above the geomembrane 101, and the organic matter 105 laid in the inner diameter hollow area of the waste tire 102 covers the sand layer 107.
[0020] The desert area biological sand-fixing structure 100 provided by the embodiment of the utility model, plants 104 planted in desert area take the waste tire 102 as the frame structure and make the root system deep into the sand layer 107, so as to solidify the sand through the root system of the plants 104; the waste tire 102 is deep into the sand layer 107 to solidify the sand through the multiple spiral anchors 103, wherein the spiral blade of the spiral anchor 103 and the sand layer 107 form the close occlusion, can provide the greater pullout resistance and lateral resistance, so as to guarantee the stability of the waste tire 102 fixed on the sand layer 107; the wind sand is blocked through the physical structure of the waste tire 102, the advantage of the self weight and high temperature resistance of the waste tire 102 is utilized to improve the blocking effect of the wind sand, at the same time, the frame structure of the waste tire 102 provides the stable protection for the growth of the plants 104, reduces the erosion of the wind sand to the seedlings of the plants 104 and the risk of the plants 104 being pulled up by the wind force, improves the survival rate and survival period of the plants 104; the organic matter 105 is laid in the inner diameter center cavity of the waste tire 102, the organic matter 105 is supplemented to the sand layer 107 or the soil layer above it, the soil structure is improved, the soil fertility is increased, the growth of the plants 104 is benefited, and the survival rate and survival period of the plants 104 are improved again; the annular cavity of the waste tire 102 is used as the water storage container, can provide the water storage and water retention function for the plants 104, the organic matter 105 can absorb the water stored in the annular cavity of the waste tire 102, provides the water for the plants 104, prevents the precious water resource for irrigating the plants 104 from losing rapidly, and improves the survival rate and survival period of the plants 104 again; the water is intercepted in the sand layer 107 above the geomembrane 101 layer by the anti-seepage performance of the geomembrane 101, the water irrigated to the plants 104 does not flow down into the sand layer 107 and lose, the water storage capacity of the soil is improved by the anti-seepage feature of the geomembrane 101, a better survival environment is provided for the growth of the plants 104, and the survival rate and survival period of the plants 104 are improved again.
[0021] The desert area biological sand-fixing structure 100 provided by the embodiment of the utility model, the root system of the plants 104 with the improved survival rate and the waste tire 102 as the frame structure and the spiral anchor 103 connected and deep into the sand layer 107 solidify the sand, that is, the sand is solidified by the synergistic effect of the root system of the survived plants 104, the waste tire 102 and the spiral anchor 103 connected with the waste tire 102 to govern the desertification, prevent the sand layer 107 from further desertification and reduce the severe weather of sandstorm.
[0022] The spiral blade of the spiral anchor 103 can be deeply inserted into the sand layer 107 in a rotating mode, and the spiral anchor does not need to be accurately drilled on the ground or other installation foundation in advance like a long rod bolt, and does not need to be drilled in advance, so that the sand fixation structure has the advantages of convenient construction and short construction period.
[0023] In order to improve the fixing effect of the waste tire 102, the sand fixation structure 100 for a desert area provided in the embodiment of the utility model, the waste tire 102 is partially buried in the sand layer 107 by being buried in a sand pit constructed in the sand layer 107. The sand pit is usually constructed by a shovel machine process. The size and depth of the sand pit are determined according to the diameter and height of the waste tire 102, and the depth of the sand pit is generally about one third to one half of the height of the waste tire 102.
[0024] Please refer to Fig. 1 The geomembrane 101 can be horizontally buried in the sand layer 107 or can be buried in the sand layer 107 in a basin shape, that is, the geomembrane 101 is concave in the middle and convex at the edge and is buried in the sand layer 107. The geomembrane 101 is buried in the sand layer 107 in a basin shape, can more greatly intercept water of the irrigated plants, and avoids water loss. The geomembranes 101 of adjacent plants are continuously laid to utilize the anti-seepage characteristics of the basin-shaped geomembrane 101 and improve the water retention capacity of the sand layer. The laying construction of the geomembrane 101 can be: cleaning the foundation, removing sundries, stones, tree roots and other sharp objects, and performing tamping treatment if necessary; the geomembrane 101 is unwound from a reel, and wrinkles and overlaps are reduced as much as possible to keep the membrane flat; the laying position of the membrane is adjusted to ensure that the edge of the geomembrane 101 is aligned with the design line.
[0025] Please refer to Fig. 1 In order to improve the planting environment of the sand layer, the sand fixation structure 100 for a desert area provided in the embodiment of the utility model further comprises a soil layer 106 laid on the sand layer 107. The soil layer 106 improves the growth environment of the plants, improves the survival rate of the plants, and has a long-term sand fixation effect.
[0026] In order to reduce the cost, the desert biological sand-fixing structure 100 provided by the embodiment of the utility model, the organic matter 105 is one or more of wheat straw and straw. They are widely sourced and have low cost. The hay and straw are covered on the ground, which can effectively reduce the soil moisture evaporation, like a "moisturizing clothes" for the soil. In the desert high temperature environment, the soil temperature can be reduced, and a relatively cool environment is created for the plant root system. Moreover, with the passage of time, they will gradually decompose, supplement the soil with organic matter, improve the soil structure, and increase the soil fertility.
[0027] The desert biological sand-fixing structure 100 provided by the embodiment of the utility model can effectively control the desertification and soil erosion problems and promote ecological restoration.
[0028] The utility model is not limited to the above specific implementation, obviously, the above described embodiment is a part of the embodiment of the utility model, but not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of the utility model protection. The person skilled in the art can make other levels of modification and change to the utility model. Thus, if these modifications and changes of the utility model belong to the scope of the claims of the utility model, the utility model also intends to include these changes and changes.
Claims
1. A biological sand-fixing structure in a desert region, characterized in that, The invention relates to a sand soil layer, comprising a geomembrane buried in the sand soil layer, a waste tire partially buried in the sand soil layer and partially exposed to the sand soil layer, the waste tire being fixed in the sand soil layer by a plurality of spiral anchors distributed around the circumference of the waste tire, a plant planted in the hollow inner diameter region of the waste tire, the root system of the plant being located in the sand soil layer above the geomembrane, and organic matter covering the sand soil layer and laid in the hollow inner diameter region of the waste tire.
2. The biological sand-fixing structure for desert areas according to claim 1, characterized in that The waste tire is partially buried in the sand soil layer by a sand pit constructed in the sand soil layer.
3. The biological sand-fixing structure for desert areas according to claim 1, characterized in that, The geomembrane is horizontally buried in the sand soil layer.
4. The biological sand-fixing structure for desert areas according to claim 1, characterized in that, The geomembrane is buried in the sand soil layer with the middle portion concave downward and the edge portion convex upward.
5. The biological sand-fixing structure for desert areas according to claim 1, characterized in that, The invention further relates to a soil layer laid on the sand soil layer.
6. The biological sand stabilizing structure in desert areas according to claim 1, characterized in that, The organic matter is one or more of wheat straw and rice straw.