Sustainable irrigation composite greening structure suitable for high and steep rock slope of nuclear power plant
By designing a composite greening structure consisting of a water storage tank, irrigation components, and a water collection ditch on the steep rock slopes of nuclear power plants, the problem of lack of soil and water on these slopes was solved, enabling continuous water supply and vegetation growth, and enhancing the greening effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA NUCLEAR POWER ENGINEERING CO LTD
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-21
AI Technical Summary
The steep rocky slopes of nuclear power plants lack soil, water, and suitable ecological conditions. Existing greening methods are easily eroded and washed away under heavy rainfall conditions, making it difficult to achieve effective greening.
Design a composite greening structure that includes a water storage tank, irrigation components, planting troughs, and water collection ditches. The water storage tank stores water, and the irrigation components and water collection ditches supply water. Combined with a drip irrigation system and climbing nets, it can achieve continuous water supply and vegetation growth.
By storing water during the rainy season and controlling the water volume autonomously during the dry season, the water source problem of steep rock slopes has been solved, and integrated collection and drainage has been achieved, which has enhanced vegetation growth and green coverage.
Smart Images
Figure CN224139667U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of planting technology for steep rock slopes, specifically relating to a sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants. Background Technology
[0002] Nuclear power plant slopes are typically multi-tiered slopes of high, steep, hard rock, with each tier approximately 10 meters high and a slope ratio of 1:0.3 to 1:0.5. Greening high, steep rock slopes has always been a design challenge in slope greening, mainly for the following reasons:
[0003] 1. Rock slopes lack the soil and nutrient conditions required for vegetation. Rock slopes do not have the soil environment necessary for vegetation growth, making it impossible to directly sow seeds or create green belts; the rock mass has poor water retention and contains few active nutrients, making it difficult for vegetation roots to absorb enough water and nutrients from the slope rock layers for their growth and development.
[0004] 2. The rock slopes of nuclear power plants have steep gradients. Rainwater runoff velocity on the slopes is high, which easily leads to erosion in areas with high rainfall. Naturally weathered soil particles and soil particles transported by wind are difficult to retain on the slopes, making it difficult for vegetation to survive.
[0005] 3. Artificial slopes have harsh natural ecological conditions. Rock-based artificial slopes lack soil cover and are short of water. Under direct sunlight, the temperature of the exposed rock surface is too high. Even if seeds are carried by the wind or animals and embedded in the rock crevices, they will be difficult to germinate due to the high temperature.
[0006] In vegetation greening techniques for steep rock slopes, the primary challenge is providing a stable environment for plant growth. Common greening methods include hydroseeding and thick-layer substrate spraying with vegetation for slope protection. However, due to the hardness, poor water retention, and limited soil stabilization of rock slopes, existing greening methods have several shortcomings in practical application. For example, hydroseeding is only suitable for gentle and flat slopes, has a limited base layer thickness, poor soil stabilization and water retention capacity, and is easily eroded under heavy rainfall conditions. Thick-layer substrates have poor stability, weak resistance to rainwater erosion, poor long-term nutrient availability, and, being primarily grass-based, tend to degrade significantly over time. Utility Model Content
[0007] The technical problem to be solved by this utility model is to address the above-mentioned deficiencies in the existing technology by providing a sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants, which solves the greening problem of steep rock slopes with many ecological limiting factors such as lack of space, soil, and water.
[0008] The technical solution adopted to solve the technical problem of this utility model is to provide a sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants, including:
[0009] A water storage tank is located at the top of a slope and is used to store water.
[0010] An irrigation assembly, connected to a reservoir, is used to pump water from the reservoir to irrigate vegetation on the slope.
[0011] Planting troughs are set at the toe of slopes and are used to hold soil for planting vegetation.
[0012] A water collection ditch is set at the foot of the slope, and the planting trough is connected to the water collection ditch. The water collection ditch is used to collect rainwater.
[0013] Preferably, the drainage ditch and planting trough are both set on the ramp platform of the slope, the planting trough is set at the toe of the adjacent upper slope, and the drainage ditch is set on the outside of the planting trough.
[0014] Preferably, the height of the ditch wall on the side furthest from the slope toe is higher than the height of the ditch wall on the other side.
[0015] Preferably, the walls of the water collection ditch on both sides are the same width.
[0016] Preferably, the planting trough includes: a planting trough body and a waterproof mortar layer, wherein the waterproof mortar layer is disposed on the inner wall of the planting trough body near the toe of the slope.
[0017] Preferably, the irrigation components include: a water pump, a water pumping pipe assembly, and a drip irrigation pipe. The water pump is connected to the water pumping pipe assembly, the water pumping pipe assembly is connected to the drip irrigation pipe, and the water pump is connected to a water storage tank. The water pump is used to pump water from the water storage tank into the water pumping pipe assembly, and then deliver it to the drip irrigation pipe for drip irrigation.
[0018] Preferably, the drip irrigation pipes cover the slope surface, or the drip irrigation pipes cover both the slope surface and the planting trough.
[0019] Preferably, the pumping pipe assembly includes: a main pipe, branch pipes, and branch pipes. The main pipe is connected to a pump, the sidewall of the branch pipe is connected to the main pipe, the sidewall of the branch pipe is connected to at least two branch pipes, and the branch pipes are connected to drip irrigation pipes.
[0020] Preferably, the sustainable irrigation composite greening structure suitable for steep rocky slopes of nuclear power plants further includes:
[0021] Concrete layers are installed on the inner wall of the reservoir, the top of the slope, the surface of the slope, and the ramp platform of the slope.
[0022] Preferably, the concrete layer is set on the inner wall of the water storage tank, and the composite greening structure also includes: an HDPE geomembrane set on the outside of the concrete layer on the inner wall of the water storage tank.
[0023] Preferably, the water collection ditch includes: a water collection ditch body, and a drainage hole provided on the water collection ditch body, the water collection ditch body being connected to the planting trough through the drainage hole.
[0024] Preferably, the drainage ditch also includes: geotextile and filter layer. The geotextile is installed at the inlet and periphery of the drainage hole, and the filter layer is installed on the outside of the geotextile to prevent siltation. The inlet of the drainage hole is located on the inner wall of the drainage ditch.
[0025] Preferably, the sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants further includes: a climbing net, one side of which is located on the side of the planting trough away from the toe of the slope, and the other side of which is located at the top of the slope.
[0026] Preferably, the drainage ditch is a masonry drainage ditch with a masonry strength of not less than 30 MPa.
[0027] This invention provides a sustainable irrigation composite greening structure suitable for steep rock slopes in nuclear power plants. The slope-top water storage tank can store water during the rainy season, and the pumping volume can be autonomously controlled during the dry or non-dry seasons via irrigation components, solving the problem of no water source for irrigation on rock slopes during the dry season. Simultaneously, a water collection ditch is used, achieving integrated collection and drainage functions, and continuously supplying water to the bottom of the planting trough. Attached Figure Description
[0028] Figure 1 : A schematic diagram of the sustainable irrigation composite greening structure for steep rock slopes in Embodiment 2 of this utility model;
[0029] Figure 2 Detailed diagram of the arrangement of the water collection ditch and planting trough in Embodiment 2 of this utility model;
[0030] Figure 3 : A schematic diagram of the drip irrigation system and plant climbing net in the longitudinal greening scheme of Embodiment 2 of this utility model.
[0031] In the attached diagram: 1-Water storage tank, 2-Concrete layer, 3-HDPE geomembrane, 4-Stones, 5-Water pumping hose, 6-Water pump, 7-Main pipe, 8-Branch pipe, 9-Branch pipe, 10-PVC pipe elbow, 11-Drip irrigation pipe, 12-Climbing net, 13-Binding wire, 14-Planting trough, 15-Planting soil, 16-Grass seeds, 17-Water collection ditch, 18-Drainage hole, 19-Filter layer, 20-Waterproof mortar. Detailed Implementation
[0032] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0033] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.
[0034] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.
[0035] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.
[0036] Example 1
[0037] This embodiment provides a sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants, including:
[0038] A water storage tank is located at the top of a slope and is used to store water.
[0039] An irrigation assembly, connected to a reservoir, is used to pump water from the reservoir to irrigate vegetation on the slope.
[0040] Planting troughs are set up on slopes and are used to hold soil for planting vegetation.
[0041] The drainage ditch is set on the slope, and the planting trough is connected to the drainage ditch. The drainage ditch is used to collect rainwater.
[0042] This embodiment provides a sustainable irrigation composite greening structure suitable for steep rock slopes in nuclear power plants. The slope crest reservoir stores water during the rainy season and autonomously controls the pumping volume during the dry or non-dry seasons via irrigation components, solving the problem of no irrigation water for rock slopes during the dry season. Simultaneously, a water collection ditch integrates collection and drainage functions, continuously supplying water to the bottom of the planting trough.
[0043] Example 2
[0044] This embodiment provides a sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants, including:
[0045] Water storage tank 1 is located at the top of the slope and is used for water storage.
[0046] An irrigation assembly, connected to a water storage tank 1, is used to pump water from the water storage tank 1 to irrigate the vegetation on the slope.
[0047] Planting trough 14 is set at the toe of the slope and is used to hold soil for planting vegetation.
[0048] A water collection ditch 17 is set at the foot of the slope. The planting trough 14 is connected to the water collection ditch 17, which is used to collect rainwater.
[0049] Preferably, the water collection ditch 17 and the planting trough 14 are both set on the ramp platform of the slope, the planting trough 14 is set at the toe of the adjacent upper slope, and the water collection ditch 17 is set on the outside of the planting trough 14.
[0050] Specifically, in this embodiment, planting soil 15 is laid in the planting trough 14, and climbing plant seeds are placed on one side near the bottom of the climbing net 12.
[0051] Preferably, the height of the wall of the water collection ditch 17 on the side away from the slope toe is higher than the height of the wall on the side closer to the slope toe.
[0052] The side wall of the drainage ditch 17 away from the slope foot is higher than the other side to prevent excessive water volume and overflow of the planting trough 14 during heavy rain.
[0053] Preferably, the width of the walls on both sides of the water collection ditch 17 is the same.
[0054] Preferably, the planting trough 14 includes: a planting trough body and a waterproof mortar layer, the waterproof mortar layer being disposed on the inner wall of the planting trough 14 body near the toe of the slope. The waterproof mortar layer is formed by coating with waterproof mortar 20.
[0055] Preferably, the irrigation components include: a water pump 6, a water pumping pipe assembly, and a drip irrigation pipe 11. The water pump 6 is connected to the water pumping pipe assembly, the water pumping pipe assembly is connected to the drip irrigation pipe 11, and the water pump 6 is connected to the water storage tank 1. The water pump 6 is used to pump water from the water storage tank 1 into the water pumping pipe assembly, and then transport it to the drip irrigation pipe 11 for drip irrigation.
[0056] Specifically, in this embodiment, a water pump 6 is installed next to the water storage tank 1, which can independently control the pumping volume.
[0057] Preferably, the drip irrigation pipe 11 covers the slope surface, or the drip irrigation pipe 11 covers both the slope surface and the planting trough 14.
[0058] Preferably, the pumping pipe assembly includes: a main pipe 7, branch pipes 8, and branch pipes 9. The main pipe 7 is connected to the pumping pump 6, the side wall of the branch pipe 8 is connected to the main pipe 7, the side wall of the branch pipe 8 is connected to at least two branch pipes 9, and the branch pipes 9 are connected to the drip irrigation pipe 11.
[0059] Specifically, in this embodiment, the pumping pipe group is equipped with a horizontal branch pipe 8, which can connect multiple branch pipes 9 and drip irrigation pipes 11 to expand the drip irrigation range and increase the survival rate of vegetation.
[0060] Preferably, the sustainable irrigation composite greening structure suitable for steep rocky slopes of nuclear power plants further includes:
[0061] Concrete layer 2 is installed on the inner wall of the water storage tank 1, the top of the slope, the slope surface, and the ramp platform of the slope.
[0062] Specifically, in this embodiment, the slope surface is protected by concrete, and the top of the slope and the surface of each level of the horse trail are coated with a concrete layer 2.
[0063] Preferably, the concrete layer 2 is set on the inner wall of the water storage tank 1, and the composite greening structure also includes: an HDPE geomembrane 3 set on the outside of the concrete layer 2 on the inner wall of the water storage tank 1.
[0064] Specifically, in this embodiment, after the bottom and walls of the reservoir 1 at the top of the slope are coated with concrete, an HDPE geomembrane 3 with good seepage prevention effect is also laid, and stones 4 are used to fix the HDPE geomembrane 3 on the top of the reservoir 1 to prevent water leakage in the reservoir 1.
[0065] Preferably, the water collection ditch 17 includes: a water collection ditch body and a drainage hole 18 provided on the water collection ditch body, the water collection ditch body being connected to the planting trough 14 through the drainage hole 18.
[0066] Preferably, the water collection ditch 17 also includes: geotextile and filter layer 19. The geotextile is disposed at the inlet and periphery of the drainage hole 18, and the filter layer 19 is disposed on the outside of the geotextile to prevent siltation. The inlet of the drainage hole 18 is located on the inner wall of the water collection ditch 17.
[0067] Specifically, in this embodiment, a water collection ditch 17 is used instead of a traditional drainage ditch. At the same time, a drain hole 18 and a filter layer 19 are provided in the water collection ditch 17, which can continuously and autonomously replenish water to the planting trough 14.
[0068] Preferably, the sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants further includes: a climbing net 12, one side of which is located on the side of the planting trough 14 away from the toe of the slope, and the other side of which is located at the top of the slope. Specifically, the climbing net 12 is a plant climbing net 12.
[0069] Preferably, the water collection ditch 17 is a masonry water collection ditch 17 with a masonry strength of not less than 30 MPa.
[0070] Specifically, in this embodiment, waterproof mortar 20 is applied to the inner wall of the planting trough 14 on the side near the toe of the slope, and then green planting soil 15 is backfilled. The planting soil 15 is green planting soil containing grass seeds, and a certain amount of vine grass seeds 16 are scattered on the side near the bottom of the plant climbing net 12.
[0071] Specifically, in order to expand the greening area of the slope, a longitudinal greening system combining drip irrigation and vines was set up in this embodiment. The top of the plant climbing net 12 was fixed to the top of the slope and the bottom was fixed in the planting trough 14. At the same time, the drip irrigation pipe 11 was tied to the plant climbing net 12 with binding wire 13 to increase the climbing growth path of the vines.
[0072] The sustainable irrigation composite greening structure applicable to steep rocky slopes of nuclear power plants in this embodiment can store water through the slope top reservoir 1 and the slope foot collection ditch 17 during the rainy season. During the dry season, the water in the reservoir 1 can be sent to each drip irrigation pipe 11 by the water pump 6 to water the planting trough 14 and climbing plants. At the same time, the drainage holes 18 of the collection ditch 17 can also replenish the water in the planting trough 14, which is conducive to the growth of plants and the rapid formation of green landscape.
[0073] The specific construction process of the sustainable irrigation composite greening structure suitable for steep rock slopes of nuclear power plants in this embodiment is as follows:
[0074] (1) Slope excavation and trimming in sections and grades;
[0075] (2) Excavation of the top platform of the slope for the water storage tank 1. The top platform of the slope, the bottom and the wall of the water storage tank 1 are sealed with C15 concrete with a thickness of 10cm and a 2% slope towards the inside of the nuclear power plant. Concrete is applied to the top, wall and top of the slope of the water storage tank 1.
[0076] (3) Clean the slope surface and the various levels of horse trail platforms, use C20 concrete to seal the layer, 10cm thick, and set a transverse expansion joint every 20m or so, with a joint width of 2cm. Fill the joint with asphalt hemp rope or asphalt wood board, and smooth the surface with cement mortar. Set the slope of the sealing layer to the inside of the nuclear power plant area at a slope of 2%, and set waterproof mortar 20 at the same height as the planting trough 14 at the toe of each slope, with a thickness of 2cm.
[0077] (4) Lay a single layer of HDPE geomembrane 3 in the water storage tank 1. After laying it flat, use stones 4 to fix the HDPE geomembrane 3 on the top of the water storage tank 1. Crushed stones can also be placed at the bottom of the water storage tank 1 for fixation.
[0078] (5) Install a water pump 6 and a water hose 5 on one side of the water storage tank 1. The water pump 6 is connected to the water hose 5. The water pump 6 is connected to the water storage tank 1 through the water hose 5. A PVC pipe with a diameter of 40mm is installed on the other side of the water pump 6 as the main pipe 7. PVC pipe elbows 10 are used to connect the horizontal PVC branch pipes 8. PVC branch pipes 8 are then connected to multiple branch pipes 9 by elbows 10.
[0079] (6) The water collection ditch 17 is a masonry water collection ditch 17, which is constructed with M7.5 cement mortar. The strength of the masonry is not less than 30MPa. The height of the water collection ditch 17 on the side away from the slope toe is 1.5m, and the height on the side closer to the planting trough 14 is 1m. The outer edge width of the water collection ditch 17 is 2m, and the inner width is 1.4m.
[0080] (7) A drainage hole 18 is provided on the side of the water collection ditch 17 near the planting trough 14. The drainage hole 18 is inclined towards the planting trough 14, so that the water source in the water collection ditch 17 continuously supplies water to the vegetation at the bottom of the planting trough 14, realizing sustainable lateral greening of the slope platforms at all levels. At the same time, the water collection ditch 17 also has the function of collecting and draining water, preventing excessive rainfall and rainwater from overflowing the planting trough 14 and flowing into the nuclear power plant area;
[0081] (8) A geotextile is laid within a 0.5×0.5m range of the inlet of the drainage hole 18, and a filter layer 19 is installed to prevent siltation. The filter layer 19 should be filled in layers with sand and gravel of uniform particle size, with a layer thickness of not less than 15cm, and the particle size ratio of adjacent layers should generally not be less than 1:4. The content of sand and gravel particles smaller than 0.15mm should not exceed 5mas%.
[0082] (9) The bottom width of the planting trough 14 is 2m. The planting trough 14 is backfilled with green planting soil 15 containing grass seeds and base soil, with a thickness of 90cm. The vine grass seeds 16 are sown on the side near the water collection ditch 17.
[0083] (10) Fix the plant climbing net 12 on the side of the planting trough 14 near the water collection ditch 17, and fix the other side of the climbing net 12 to the top of the slope.
[0084] (11) Install multiple PVC drip irrigation pipes 11 with a diameter of 25mm, connect the top to each branch pipe 9, and tie the drip irrigation pipes 11 and the plant climbing net 12 with iron wire to ensure that the drip irrigation water source is continuously supplied to the plants on the planting trough 14 and the climbing net 12 with the maximum irrigation range. At the same time, it can provide more growth paths for climbing plants, increase the survival ability of plants and the greening area of the slope, thereby realizing the feasibility and sustainability of vertical greening technology.
[0085] This embodiment belongs to the field of planting technology for steep rock slopes. It comprehensively considers the drainage problems of steep rock slopes in nuclear power plants during the rainy season and the irrigation problems of vegetation during the dry season. It provides a composite greening technology that combines planting troughs 14 with longitudinal greening, integrating water collection, drainage, and sustainable irrigation for steep rock slopes. This includes a water storage tank 1 at the top of the rock slope, drainage ditches 17 for each level of slope walkways, planting troughs 14, a pumping device for the water storage tank 1, and a drip irrigation system. This technology can solve the problems of difficult greening of steep rock slopes in nuclear power plants and the easy weathering of rocks under long-term erosion from surface precipitation and bedrock fissure water, thereby meeting the requirements of soil and water conservation and ecological civilization construction in nuclear power projects.
[0086] The sustainable irrigation composite greening structure for steep rocky slopes of nuclear power plants in this embodiment has the following characteristics:
[0087] (1) In this embodiment, a water storage tank 1 was built at the top of the slope to prevent a large amount of rainwater from washing away the slope surface and damaging the planting trough 14 at the foot of the slope when heavy rain comes. At the same time, it can provide water for the vegetation during the dry season.
[0088] (2) In this embodiment, the slope top water storage tank 1 and the drainage ditch of the ramp platform at each level of the slope are combined to provide water storage and replenishment for the vegetation trough;
[0089] (3) In this embodiment, HDPE geomembrane 3 is laid on the inner wall of the water storage tank 1 as an anti-seepage material to prevent water from seeping into the lower slope of the water storage tank 1;
[0090] (4) The main irrigation technology used in this embodiment is pumped drip irrigation technology, while the existing embodiment uses self-seepage irrigation technology. This embodiment has a higher water utilization rate and a higher water-saving and yield-increasing effect.
[0091] (5) This embodiment takes into account the longitudinal greening of the slope and uses PVC drip irrigation pipe 11 to tie with plant climbing net 12, which is more conducive to the growth of climbing plants and increases the coverage area of slope greening.
[0092] This embodiment provides a sustainable irrigation composite greening structure suitable for steep rock slopes in nuclear power plants. The slope crest water storage tank 1 stores water during the rainy season and the pumping volume can be autonomously controlled during the dry or non-dry season via a pump 6, solving the problem of no irrigation water for rock slopes during the dry season. Simultaneously, a water collection ditch 17 with drainage holes 18 integrates collection and drainage functions, continuously supplying water to the bottom of the planting trough 14. This embodiment innovatively employs a longitudinal greening scheme combining a drip irrigation system and a climbing net 12, significantly increasing the longitudinal vegetation coverage and solving the problem of the inability to green rock slopes.
[0093] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of this utility model, and the utility model is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of this utility model, and these modifications and improvements are also considered to be within the protection scope of this utility model.
Claims
1. A sustainable irrigation composite greening structure suitable for steep rocky slopes of nuclear power plants, characterized in that, include: A water storage tank is located at the top of a slope and is used to store water. An irrigation assembly, connected to a reservoir, is used to pump water from the reservoir to irrigate vegetation on the slope. Planting troughs are set at the toe of slopes and are used to hold soil for planting vegetation. A water collection ditch is set at the foot of the slope, and the planting trough is connected to the water collection ditch. The water collection ditch is used to collect rainwater.
2. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 1, characterized in that, Both the drainage ditch and the planting trough are set on the ramp platform of the slope. The planting trough is set at the toe of the adjacent upper slope, and the drainage ditch is set on the outside of the planting trough.
3. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 2, characterized in that, The height of the ditch wall on the side furthest from the slope toe is higher than the height of the ditch wall on the other side.
4. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 2, characterized in that, The walls of the drainage ditch on both sides are the same width.
5. The sustainable irrigation composite green structure suitable for high and steep rock slope of nuclear power plant according to any one of claims 1-4, characterized in that, The planting trough includes: The planting trough body and the waterproof mortar layer are installed on the inner wall of the planting trough body near the toe of the slope.
6. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 1, characterized in that, The irrigation components include: a water pump, a water pumping pipe assembly, and drip irrigation pipes. The water pump is connected to the water pumping pipe assembly, the water pumping pipe assembly is connected to the drip irrigation pipes, and the water pump is connected to a water storage tank. The water pump is used to pump water from the water storage tank into the water pumping pipe assembly, and then deliver it to the drip irrigation pipes for drip irrigation.
7. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 6, characterized in that, Drip irrigation pipes cover the slope surface, or drip irrigation pipes cover both the slope surface and the planting trough.
8. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 6, characterized in that, The pumping pipe assembly includes: a main pipe, branch pipes, and branch pipes. The main pipe is connected to the pump, the side wall of the branch pipe is connected to the main pipe, the side wall of the branch pipe is connected to at least two branch pipes, and the branch pipes are connected to the drip irrigation pipes.
9. The sustainable irrigation composite greening structure for steep rocky slopes of nuclear power plants according to claim 1, characterized in that, Also includes: Concrete layers are installed on the inner wall of the reservoir, the top of the slope, the surface of the slope, and the ramp platform of the slope.
10. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 9, characterized in that, The concrete layer is set on the inner wall of the water storage tank. The composite greening structure also includes an HDPE geomembrane set on the outside of the concrete layer on the inner wall of the water storage tank.
11. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 1, characterized in that, The water collection ditch includes: the water collection ditch body, and drainage holes on the water collection ditch body. The water collection ditch body is connected to the planting trough through the drainage holes.
12. The sustainable irrigated composite green structure suitable for high steep rock slope of nuclear power plant according to claim 11, characterized in that, The drainage ditch also includes: geotextile and filter layer. The geotextile is installed at the inlet and periphery of the drainage hole, and the filter layer is installed on the outside of the geotextile. The inlet of the drainage hole is located on the inner wall of the drainage ditch.
13. The sustainable irrigated compound green structure suitable for high and steep rock slope of nuclear power plant according to any one of claims 1-4, 6-12, characterized in that, Also includes: The climbing net is placed on one side of the planting trough away from the toe of the slope, and on the other side of the climbing net at the top of the slope.
14. The sustainable irrigated compound green structure applicable to high and steep rock slope of nuclear power plant according to any one of claims 1-4, 6-12, characterized in that, The water collection ditch is a masonry ditch with a masonry strength of not less than 30 MPa.