Greening structure suitable for steep bedrock

Abstract

The utility model discloses a greening structure suitable for steep bedrock, and belongs to the technical field of greening engineering of steep rock slopes. Comprising a rock body, a rock body slope excavation face is formed on one side of the rock body, a plurality of rock holes are formed in the rock body slope excavation face, the rock holes are filled with nutrient soil, a nutrient soil layer is formed, plants are planted in the nutrient soil layer, irrigation branch pipes are further arranged in the nutrient soil layer, and the irrigation branch pipes are communicated with the rock body slope excavation face. A plurality of irrigation water pipes connected with the irrigation branch pipes are installed on the rock mass slope excavation face. The utility model provides a greening structure which is short in construction period, low in construction cost, suitable for a steep rock slope with the angle exceeding 60 degrees, capable of guaranteeing self-stabilization of soil covering and resistant to certain rain wash.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of greening structure suitable for steep bedrock, belong to the greening engineering technical field of steep rock slope. BACKGROUND

[0002] In the greening engineering field of rock slope, especially under the topographic condition of steep bedrock slope, it has been a challenging task to carry out greening engineering construction, and the traditional soil planting greening method is difficult to self-stabilize soil, organic matter and other conditions.

[0003] If rock slope is exposed for a long time, it will bring a series of natural disaster hazards, and taking certain engineering measures to ensure the existence of green plants on rock slope is an important means to protect the ecological environment and reduce natural disaster hazards.

[0004] The traditional rock slope greening adopts concrete pouring frame beam structure, and the depth of frame beam structure is not less than about 0.3m, at the same time, the slope angle cannot exceed 60°, so as to ensure the stability of slope soil and prevent rainwater erosion. The traditional frame beam structure construction needs a large number of formworks, and a large amount of manpower is needed for the installation of concrete formwork before pouring. A large amount of manpower is needed for formwork removal after the initial setting of concrete. The concrete needs to be cured for more than 30 days to have a certain strength, the construction period is long, the cost of concrete is high, and the economic benefit is poor. UTILITY MODEL CONTENTS

[0005] The utility model solves the problems of long construction period, high cost of concrete and poor economic benefit in the prior art.

[0006] The technical problem solved by the utility model is solved by the following technical scheme: a greening structure suitable for steep bedrock, comprising a rock mass, a rock mass slope excavation surface is formed on one side of the rock mass, a plurality of rock holes are arranged at equal intervals on the rock mass slope excavation surface, the rock holes are filled with nutrient soil and form a nutrient soil layer, plants are planted in the nutrient soil layer, and irrigation branch pipes are arranged in the nutrient soil layer, irrigation water pipes connected with the irrigation branch pipes are installed on the rock mass slope excavation surface.

[0007] By adopting the above technical scheme, the rock holes are formed by directly excavating holes from the rock slope excavation surface and planting plants, without using the traditional concrete pouring method to form frame beams, thereby effectively shortening the construction period and greatly reducing the construction cost.

[0008] The utility model is further provided with: a slope support is arranged outside the rock mass slope excavation surface.

[0009] By adopting the technical scheme, the setting of the slope support can effectively reinforce the slope protection, prevent slope instability and collapse, and ensure the stability and safety of the slope.

[0010] The utility model further sets up: irrigation water pipe and irrigation branch pipe all are PVC pipe.

[0011] By adopting the technical scheme, the PVC pipe has the advantages of high strength and excellent corrosion resistance, thereby effectively prolonging the service life of the irrigation water pipe and the irrigation branch pipe

[0012] The utility model further sets up: the geotechnical cloth is further arranged between the inner wall of the rock hole and the nutrient soil layer.

[0013] By adopting the technical scheme, the overall integrity of the nutrient soil can be improved, the possibility of instability caused by rainwater erosion and the like can be reduced, and the geotechnical cloth has a certain water-retaining effect.

[0014] The utility model further sets up: the geotechnical cloth weighs at least 200g / m 2 .

[0015] The utility model further sets up: one end of the rock hole away from the rock mass slope excavation surface is downwardly inclined.

[0016] By adopting the technical scheme, the rock hole with one end downwardly inclined can be applied to a steep rock mass slope of more than 60°, and the self-stability of the nutrient soil can be ensured.

[0017] The utility model further sets up: the soil protection plate is slidably arranged on the irrigation branch pipe.

[0018] By adopting the technical scheme, the soil protection plate covers the nutrient soil layer, the overall integrity of the nutrient soil layer is improved, the possibility of instability caused by rainwater erosion and the like is reduced, and the soil above the inclined nutrient soil is not prone to collapse.

[0019] The utility model has the beneficial effects that: the rock hole is directly drilled from the rock mass slope excavation surface to form the rock hole and plant the plants, the traditional concrete pouring method is not needed to form the frame beam, the construction period is effectively shortened, and the construction cost is greatly reduced. DRAWINGS

[0020] Figure 1 It is a structural elevation schematic view of the utility model;

[0021] Figure 2 It is a structural cross section schematic view of the utility model;

[0022] Figure 3 It is a structural detail view of the utility model;

[0023] Figure 4 It is a structure diagram of the soil protection plate in the utility model.

[0024] In the figure: 1, planting plants; 2, nutrient soil layer; 3, geotextile; 4, rock hole; 5, irrigation pipe; 6, irrigation branch pipe; 7, rock mass; 8, rock mass slope excavation surface; 9, slope support; 10, soil protection plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0026] As shown in Figures 1 to 3 A greening structure suitable for steep bedrock, comprising a rock mass 7, the rock mass 7 has a rock mass slope excavation surface 8 formed on one side, a plurality of rock holes 4 are arranged on the rock mass slope excavation surface 8 at equal intervals, the rock holes 4 are filled with nutrient soil and form a nutrient soil layer 2, the nutrient soil layer 2 is planted with planting plants 1, and the nutrient soil layer 2 is further provided with irrigation branch pipes 6, and the rock mass slope excavation surface 8 is provided with irrigation pipes 5 connected with the plurality of irrigation branch pipes 6.

[0027] It should be noted that in the embodiment, the interval and row distance between the rock holes 4 are determined according to factors such as plant type and environment, the planting plants 1 are determined according to factors such as local climate environment and use scene, and the nutrient soil is formed by mixing soil and compound fertilizer.

[0028] In addition, one end of the rock hole 4 away from the rock mass slope excavation surface 8 is downwardly inclined, and geotextile 3 with a specification weight of at least 200g / m2 is further arranged between the inner wall of the rock hole 4 and the nutrient soil layer 2, and the geotextile 3 needs to wrap the nutrient soil layer 2 and the irrigation branch pipe 6.

[0029] By directly digging holes on the rock mass slope excavation surface 8 to form the rock holes 4 and planting the planting plants 1, the traditional concrete pouring method is not needed to form the frame beam, so that the construction period is effectively shortened and the construction cost is greatly reduced.

[0030] In addition, the rock hole 4 with one end downwardly inclined can be suitable for a steep rock slope of more than 60°, and the self-stability of the nutrient soil is ensured.

[0031] The arrangement of the irrigation pipe 5 and the irrigation branch pipe can realize automatic irrigation of the slope greening, greatly improve the survival rate of the greening, the arrangement of the geotextile 3 can improve the integrity of the nutrient soil and reduce the possibility of instability caused by rainwater erosion, and at the same time, has the function of water retention.

[0032] As shown in Figure 2 andFigure 3 As shown, the rock mass slope excavation surface 8 is provided with a slope support 9 outside. The setting of the slope support 9 can effectively reinforce the slope, prevent slope instability and collapse, and ensure the stability and safety of the slope.

[0033] As shown in Figure 2 and Figure 3 , the irrigation pipe 5 and the irrigation branch pipe 6 are both PVC pipes, and the pipe diameter is determined by the number of plants and the irrigation water requirement. The PVC pipe has the advantages of high strength and excellent corrosion resistance, so that the irrigation pipe 5 and the irrigation branch pipe 6 have high strength and are not easy to break, and at the same time have excellent corrosion resistance and are not easy to be corroded, thereby effectively prolonging the service life of the irrigation pipe 5 and the irrigation branch pipe 6.

[0034] As shown in Figure 3 and Figure 4 , the irrigation branch pipe 6 is provided with a soil protection plate 10 slidingly arranged thereon, and the soil protection plate 10 is used to embed in the rock hole 4 and press the side surface of the nutrient soil layer 2 towards the rock mass slope excavation surface 8. The setting of the soil protection plate 10, on the one hand, covers the nutrient soil layer 2 through the soil protection plate 10, improves the integrity of the nutrient soil layer 2, reduces the possibility of instability caused by rainwater erosion, and makes the soil on the upper side of the inclined nutrient soil not easy to collapse, on the other hand, the soil protection plate 10 limits the irrigation branch pipe 6, so that one end of the irrigation branch pipe 6 can stably be in the nutrient soil layer 2, avoiding the irrigation branch pipe 6 from being separated from the nutrient soil layer 2 due to accidental impact, thereby bringing out the soil and causing the nutrient soil loss in the rock hole 4.

[0035] The construction process of the utility model comprises the following steps:

[0036] a. Drilling construction is carried out on the rock mass slope excavation surface 8 of the rock mass 7 to form rock holes 4, and the rock holes 4 are arranged in a certain interval in a rectangular or plum blossom shape;

[0037] b. The geotextile 3 is installed and laid in the rock hole 4, and the irrigation pipe 5 and the irrigation branch pipe 6 are introduced, so that one end of the irrigation branch pipe 6 extends into the rock hole 4, and then the soil protection plate 10 is installed on the irrigation branch pipe 6 and pulled out of the rock hole 4;

[0038] c. The nutrient soil is inserted into the geotextile 3 to form a nutrient soil layer 2;

[0039] d. The seeds of the planting plants 1 are scattered in the nutrient soil, and the planting plants 1 are preferably drought-resistant, waterlogging-resistant and strong in vitality, such as ivy, to reduce the later management cost;

[0040] e. The irrigation pipe 5 and the irrigation branch pipe 6 are installed on the rock mass slope excavation surface 8 of the rock mass 7, and the irrigation pipe 5 and the irrigation branch pipe 6 are arranged on the rock mass slope excavation surface 8 in a support structure to ensure the survival water demand of the plants.

[0041] f, press the sliding mulch plate 10 to the nutrient soil layer 2 direction until the mulch plate 10 is embedded in the rock hole 4 and covers the outside of the nutrient soil layer 2.

[0042] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and various changes and improvements can be made without departing from the spirit and scope of the present application. These changes and improvements are all within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A greening structure suitable for steep bedrock, characterized in that: The rock mass (7) includes a rock mass slope excavation face (8) formed on one side of the rock mass (7). Several rock holes (4) are provided on the rock mass slope excavation face (8). The rock holes (4) are filled with nutrient soil and form a nutrient soil layer (2). Planting plants (1) are planted in the nutrient soil layer (2). Irrigation branch pipes (6) are also provided in the nutrient soil layer (2). Irrigation water pipes (5) connected to several irrigation branch pipes (6) are installed on the rock mass slope excavation face.

2. A greening structure suitable for steep bedrock according to claim 1, characterized in that: All of the rock holes (4) are set at equal intervals on the excavation surface (8) of the rock slope.

3. A greening structure suitable for steep bedrock according to claim 1, characterized in that: The rock mass (7) has slope protection (9) installed on the outside of the slope excavation face.

4. A greening structure suitable for steep bedrock according to claim 1, characterized in that: Both the irrigation water pipe (5) and the irrigation branch pipe (6) are PVC pipes.

5. A greening structure suitable for steep bedrock according to claim 1, characterized in that: Geotextile (3) is also provided between the inner wall of the rock cavity (4) and the nutrient soil layer (2).

6. A greening structure suitable for steep bedrock according to claim 5, characterized in that: The geotextile (3) has a weight of at least 200g / m. 2 .

7. A greening structure suitable for steep bedrock according to claim 1, characterized in that: The rock hole (4) is inclined downward at the end away from the rock slope excavation face (8).

8. A greening structure suitable for steep bedrock according to claim 1, characterized in that: A soil protection plate (10) is slidably installed on the irrigation branch pipe (6).

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