Sandy soil slope ecological protection structure
By spraying high-concentration W-OH water barrier on the surface of sandy soil slopes and setting solid soil nails and low-concentration anti-solution layers, combined with environmentally friendly green plants, the problem of sandy soil slope collapse accidents during rainfall is solved, and the problem of sandy soil slope collapse is improved. The slope stability and ecological protection effect are achieved, and the use of degradable materials to meet the slope mechanical properties.
Patent Information
- Application Number
- CN202421117883.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Sandy soil slopes are prone to collapse accidents under the influence of rainfall. The existing ecological protection technology has problems such as high cost, small greening area, high resource consumption, and poor water and fertilizer retention capabilities.
Spray a high-concentration W-OH water barrier on the sandy soil slope surface, set solid soil nails and low-concentration W-OH anti-shrink layer, and plant environmentally friendly green plants in the planting soil to form an overall structure to improve slope stability and anti-smoking capability.
Effectively prevent rainwater from infiltration, improve slope stability, enhance the anti-solution ability of planted soil, improve ecological protection effect, and use degradable bamboo solid nails and modified polyurethane materials to meet the mechanical properties requirements of the slope.
Smart Images
Figure CN222332733U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of slope protection, and specifically relates to an ecological protection structure for a sandy soil slope. Background Art
[0002] Sandy soil refers to soil with a particle size larger than 2mm and a content of no more than 50% of the total weight, and a particle size larger than 0.075mm and a content of more than 50% of the total weight. Sandy soil can be divided into gravel sand, coarse sand, medium sand, fine sand and silt sand according to the content of different particle groups. Sandy soil has good water permeability. Under the action of rainfall, rainwater can easily penetrate into the slope, resulting in a decrease in its shear strength, thus causing landslide accidents.
[0003] Traditional support methods for sandy soil slopes include frame beam backfill, bag stacking and greening, net-hanging and soil spraying, etc. These ecological protection technologies lack specificity and are difficult to adapt to the needs of ecological protection of sandy soil slopes. For example, frame beam backfill and bag stacking and greening methods have problems such as high cost, small greening area, and high resource consumption, while the direct net-hanging and soil spraying greening method has the disadvantages of poor planting soil stability and easy soil loss. At the same time, the relevant support methods have poor water and fertilizer retention capabilities, and nutrients and water are easy to lose.
[0004] Based on this, it is necessary to provide a new type of sandy soil slope ecological protection structure to solve the above technical problems. Utility Model Content
[0005] The purpose of the embodiment of the present application is to provide an ecological protection structure for a sandy soil slope, which can prevent rainwater from infiltrating by spraying a high-concentration W-OH waterproof layer on the surface of the sandy soil slope, effectively overcoming the adverse effects of rainfall on the mechanical properties of the sandy soil slope, thereby solving at least one technical problem involved in the background technology.
[0006] In order to solve the above technical problems, this application is implemented as follows:
[0007] An embodiment of the present application provides an ecological protection structure for a sandy soil slope, comprising a high-concentration W-OH water-proof layer, soil-fixing nails, planting soil and a low-concentration W-OH anti-scour layer, wherein the high-concentration W-OH water-proof layer is arranged on the surface of the sandy soil slope, the planting soil is arranged on the surface of the high-concentration W-OH water-proof layer, the soil-fixing nails are inserted into the sandy soil slope with one end located in the planting soil, and the low-concentration W-OH anti-scour layer is arranged on the surface of the planting soil.
[0008] Optionally, the concentration of the high-concentration W—OH anti-scour layer is 7.5% to 9.5%, and the thickness is 1 mm to 2 mm.
[0009] Optionally, the concentration of the low-concentration W—OH anti-scour layer is 3.5% to 4.5%, and the thickness is 1 mm to 2 mm.
[0010] Optionally, the soil-fixing nails are X-shaped bamboo soil-fixing nails, which are arranged in a plum blossom shape on the slope surface of the sandy soil slope, and the center distance between two adjacent soil-fixing nails is 70 cm to 100 cm.
[0011] Optionally, the soil-fixing nails are in a cross-X shape, with each side extending 5 cm to 8 cm in length, 1 cm to 2 cm in thickness, 80 cm to 100 cm in vertical length, and 60 cm to 70 cm in depth when inserted into the sandy soil slope.
[0012] Optionally, the top surface of the soil-fixing nail is arranged flush with the surface of the planting soil.
[0013] Optionally, the planting soil is sprayed bamboo fiber planting soil, which contains bamboo fibers with a length of 3 cm to 5 cm.
[0014] Optionally, it also includes a drainage ditch arranged on the top of the sandy soil slope, the drainage ditch has a width of 30cm to 50cm and a depth of 30cm to 50cm.
[0015] Optionally, it also includes a drainage ditch arranged at the bottom of the sandy soil slope, the width of the drainage ditch is 50cm to 80cm, and the depth is 30cm to 50cm.
[0016] Optionally, environmentally friendly green plants are also included in the planting soil.
[0017] The beneficial effects of the embodiments of the present application are:
[0018] 1. By spraying a high-concentration W-OH waterproof layer on the surface of the sandy soil slope, the infiltration of rainwater can be effectively prevented, effectively overcoming the adverse effects of rainfall on the mechanical properties of the sandy soil slope and improving the stability of the slope; at the same time, inserting soil nails into the sandy soil slope can improve the integrity of the sandy soil slope and the sprayed planting soil.
[0019] 2. By setting a low-concentration W-OH anti-scour layer on the surface of the planting soil, the anti-scour ability of the planting soil can be effectively improved, and it also has water retention properties, thereby effectively improving the seed germination rate and slope ecological protection effect.
[0020] 3. The soil nails are made of X-shaped bamboo, which are made of naturally grown bamboo with a short growth cycle and will not cause any pollution to the environment. After hot pressing or cold pressing, they have considerable strength and rigidity and can meet the mechanical performance requirements of the slope.
[0021] 4. By setting environmentally friendly green plants in the planting soil, when the green plants develop, they can effectively prevent the erosion of the slope. The developed root system can make the planting soil and the slope form an integral structure. At this time, the aging or degradation of bamboo soil nails and modified hydrophilic polyurethane (W-OH) will not have an adverse effect on the slope. At the same time, bamboo soil nails and W-OH are a kind of degradable green and environmentally friendly materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:
[0023] Figure 1 A schematic diagram of the overall structure of the sandy soil slope ecological protection structure provided in the embodiment of the present application;
[0024] Figure 2 A schematic cross-sectional view of the ecological protection structure for a sandy soil slope provided in an embodiment of the present application;
[0025] Figure 3 A schematic diagram of the slope structure of the sandy soil slope ecological protection structure provided in the embodiment of the present application;
[0026] Figure 4 A schematic diagram of a top view of the ecological protection structure for a sandy soil slope provided in an embodiment of the present application;
[0027] Among them, 1. Sandy soil slope; 2. High-concentration W-OH waterproof layer; 3. Soil nails; 4. Planting soil; 5. Low-concentration W-OH anti-scour layer; 6. Intercepting ditch; 7. Drainage ditch; 8. Environmentally friendly green plants. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0029] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0030] See also Figures 1 to 4 As shown, an embodiment of the present application provides an ecological protection structure for a sandy soil slope, including a high-concentration W-OH waterproof layer 2, soil nails 3, planting soil 4, a low-concentration W-OH anti-scour layer 5, a diversion ditch 6, a drainage ditch 7 and environmentally friendly green plants 8.
[0031] In the present application, W-OH is a modified hydrophilic polyurethane.
[0032] The high-concentration W-OH waterproof layer 2 is uniformly sprayed on the surface of the sandy soil slope 1. The high-concentration W-OH waterproof layer 2 is made of modified hydrophilic polyurethane, with a concentration of 7.5% and a spraying amount of 1.3 L / m 2 .
[0033] Furthermore, an anti-aging agent is added to the high-concentration W-OH water-insulating layer 2 in an amount of 0.5% to 0.9% of the mass of the modified hydrophilic polyurethane.
[0034] The concentration of the high-concentration W-OH anti-scour layer 2 is 7.5% to 9.5%, and the thickness is 1 mm to 2 mm.
[0035] In a specific embodiment, the concentration of the high-concentration W—OH anti-scour layer 2 is 7.5% and the thickness is 1 mm.
[0036] By spraying a high-concentration W-OH waterproof layer 2 on the surface of the sandy soil slope, the infiltration of rainwater can be effectively prevented, the adverse effect of rainfall on the mechanical properties of the sandy soil slope can be effectively overcome, and the slope stability can be improved.
[0037] The soil-fixing nails 3 are inserted into the sandy soil slope 1. The soil-fixing nails 3 are X-shaped bamboo soil-fixing nails, which are arranged in a plum blossom shape on the slope surface of the sandy soil slope 1. The center distance between two adjacent soil-fixing nails 3 is 70 cm to 100 cm. Preferably, the center distance between two adjacent soil-fixing nails 3 is 70 cm.
[0038] In a specific embodiment, the soil nail 3 is in a cross-shaped X shape, with each side extending 5 cm to 8 cm, a thickness of 1 cm to 2 cm, a vertical length of 80 cm to 100 cm, and a depth of 60 cm to 70 cm inserted into the sandy soil slope 1. Preferably, each side extends 5 cm, has a thickness of 1 cm, a vertical length of 90 cm, and a depth of 60 cm inserted into the sandy soil slope 1.
[0039] The soil nails are X-shaped bamboo soil nails, the raw material of which is naturally grown bamboo, which has a short growth cycle and does not cause any pollution to the environment. After hot pressing or cold pressing, it has considerable strength and rigidity and can meet the mechanical performance requirements of the slope.
[0040] The planting soil 4 is arranged on the surface of the high-concentration W—OH waterproof layer 2 , and the top surface of the soil-fixing nail 3 is arranged flush with the surface of the planting soil 4 .
[0041] The planting soil 4 is sprayed bamboo fiber planting soil, which contains bamboo fibers with a length of 3 cm to 5 cm. Preferably, the length of the bamboo fibers is 3 cm.
[0042] The planting soil 4 is sprayed and filled in the intervals between the soil-fixing nails 3, and the spraying thickness is 30 cm.
[0043] In the present application, the planting soil 4 comprises, by weight, 400 to 500 parts of soil, 50 to 80 parts of bamboo fiber, 65 to 90 parts of organic fertilizer and 20 to 25 parts of wood ash.
[0044] The low-concentration W-OH anti-scour layer 5 is arranged on the surface of the planting soil 4. The concentration of the low-concentration W-OH anti-scour layer 5 is 3.5%, and the spraying amount is 1.2 L / m 2 .
[0045] An anti-ultraviolet agent is added to the low-concentration W-OH anti-scour layer 5 in an amount of 0.2% to 0.3% of the mass of the modified hydrophilic polyurethane.
[0046] Specifically, the concentration of the low-concentration W—OH anti-scour layer 5 is 3.5% to 4.5%, and the thickness is 1 mm to 2 mm.
[0047] By providing a low-concentration W-OH anti-scour layer 5 on the surface of the planting soil, the anti-scour ability of the planting soil 4 can be effectively improved, and at the same time, it also has water retention performance, thereby effectively improving the seed germination rate and the slope ecological protection effect.
[0048] In a specific embodiment, the concentration of the low-concentration W—OH anti-scour layer 5 is 3.5% and the thickness is 1 mm.
[0049] The intercepting ditch 6 is arranged at the top of the sandy soil slope, and the width of the intercepting ditch 6 is 30 cm to 50 cm, and the depth is 30 cm to 50 cm. Preferably, the width of the intercepting ditch 6 is 30 cm, and the depth is 30 cm.
[0050] The drainage ditch 7 is arranged at the bottom of the sandy soil slope, and the width of the drainage ditch 7 is 50 cm to 80 cm, and the depth is 30 cm to 50 cm. Preferably, the width of the drainage ditch 7 is 50 cm, and the depth is 30 cm.
[0051] The environmentally friendly green plants 8 are arranged in the planting soil 4. By arranging the environmentally friendly green plants 8 in the planting soil 4, when the green plants develop, the green plants can effectively prevent the erosion of the slope, and the developed root system can make the planting soil and the slope form an integral structure.
[0052] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0053] In addition, it should be noted that the scope of the methods and systems in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
[0054] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.
Claims
1. A sandy soil slope ecological protection structure, characterized in that: It includes a high-concentration W-OH waterproof layer, soil-fixing nails, planting soil and a low-concentration W-OH anti-scour layer. The high-concentration W-OH waterproof layer is arranged on the surface of a sandy soil slope, the planting soil is arranged on the surface of the high-concentration W-OH waterproof layer, the soil-fixing nails are inserted into the sandy soil slope with one end located in the planting soil, and the low-concentration W-OH anti-scour layer is arranged on the surface of the planting soil.
2. The sandy soil slope ecological protection structure according to claim 1 is characterized in that: The concentration of the high-concentration W-OH anti-scour layer is 7.5% to 9.5%, and the thickness is 1 mm to 2 mm.
3. The sandy soil slope ecological protection structure according to claim 1 or 2, characterized in that: The concentration of the low-concentration W-OH anti-scour layer is 3.5% to 4.5%, and the thickness is 1 mm to 2 mm.
4. The sandy soil slope ecological protection structure according to claim 1 is characterized in that: The soil-fixing nails are X-shaped bamboo soil-fixing nails, which are arranged in a plum blossom shape on the slope surface of the sandy soil slope, and the center distance between two adjacent soil-fixing nails is 70cm to 100cm.
5. The sandy soil slope ecological protection structure according to claim 4 is characterized in that: The soil-fixing nail is in a cross-X shape, with each side extending 5cm to 8cm in length, 1cm to 2cm in thickness, 80cm to 100cm in vertical length, and 60cm to 70cm in depth when inserted into the sandy soil slope.
6. The sandy soil slope ecological protection structure according to claim 4 or 5, characterized in that: The top surface of the soil fixing nail is arranged flush with the surface of the planting soil.
7. The sandy soil slope ecological protection structure according to claim 1 is characterized in that: The planting soil is sprayed bamboo fiber planting soil, which contains bamboo fibers with a length of 3 cm to 5 cm.
8. The sandy soil slope ecological protection structure according to claim 1 is characterized in that: It also includes a drainage ditch arranged on the top of the sandy soil slope, wherein the drainage ditch has a width of 30 cm to 50 cm and a depth of 30 cm to 50 cm.
9. The sandy soil slope ecological protection structure according to claim 1 or 8, characterized in that: It also includes a drainage ditch arranged at the bottom of the sandy soil slope, wherein the width of the drainage ditch is 50cm to 80cm and the depth is 30cm to 50cm.
10. The sandy soil slope ecological protection structure according to claim 1, characterized in that: Also included are environmentally friendly green plants arranged in the planting soil.