CN216475100U - Ecological side slope with high altitude and large slope ratio - Google Patents
Ecological side slope with high altitude and large slope ratio Download PDFInfo
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- CN216475100U CN216475100U CN202122759262.4U CN202122759262U CN216475100U CN 216475100 U CN216475100 U CN 216475100U CN 202122759262 U CN202122759262 U CN 202122759262U CN 216475100 U CN216475100 U CN 216475100U
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Abstract
The utility model discloses a high-altitude and large-slope-ratio ecological side slope, which comprises a planting soil layer, a grass seed layer, a three-dimensional greening net and a water collecting pool, wherein the planting soil layer is laid on a base plane of the ecological side slope; the grass seed layer is broadcast on the planting soil layer; the three-dimensional greening net covers the grass seed layer and is anchored on the ecological side slope through an anchoring part, and the top and the bottom of the three-dimensional greening net are compacted through planting soil or gravels and are fixed by anchoring nails; the water collecting tank is arranged at the top of the ecological side slope; ecological side slope top is equipped with the overflow weir, and the interval is equipped with a plurality of overflow passageways on the overflow weir. The ecological side slope effectively improves the rain erosion resistance of the high-altitude and large-slope ratio side slope, reduces water and soil loss, prolongs the service life of the side slope, improves the drought resistance of the ecological side slope and the survival rate of grass seeds, and reduces the construction and maintenance cost of the high-altitude and large-slope ratio side slope.
Description
Technical Field
The utility model relates to the technical field of ecological engineering, in particular to an ecological side slope suitable for high altitude and large slope ratio.
Background
The ecological slope is a slope technology for supporting a slope or a side slope by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology, phytology and the like to form a comprehensive slope system consisting of plants or engineering and plants.
The current ecological side slope mainly includes: artificial grass side slopes, tiled turf side slopes, geonet grass planting side slopes and the like, and the technologies have a good side slope protection effect, improve engineering environment and embody the beautiful side slope protection technology of natural environment.
However, most of these technologies are applied to slopes with gentle slopes, and have poor stability and drought resistance for slopes with gentle slopes, especially in regions and seasons with uneven rainfall distribution, long-term drought often causes vegetation death, and when rainwater is heavy, artificial grass slopes, tiled turf slopes, and grass seeds (tiled turf) are easily washed away by rainwater, and often fail to achieve satisfactory slope protection effect, resulting in slope gully, surface soil loss, and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides the ecological side slope which is suitable for high altitude and large slope ratio, has stronger rain erosion resistance, and can improve the drought resistance of the ecological side slope and the survival rate of grass seeds.
Therefore, the technical scheme of the utility model is as follows:
a high-altitude and large-slope ecological side slope is 2000-4000 meters in altitude height, 45-80 degrees in slope range and 60-75 degrees in common slope, and comprises a planting soil layer, a grass seed layer, a three-dimensional greening net and a water collecting tank, wherein the planting soil layer is paved on a base surface of the high-altitude and large-slope ecological side slope; the grass seed layer is broadcast on the planting soil layer; the three-dimensional greening net covers the grass seed layer and is anchored on the ecological side slope with high altitude and large slope ratio through an anchoring part; in order to better fix the three-dimensional greening net and avoid falling off of the three-dimensional greening net caused by strong rain wash, the top and the bottom of the three-dimensional greening net are compacted by planting soil or gravels and fixed by rivets; the water collecting tank is arranged at the top of the ecological side slope with high altitude and large slope ratio; in order to ensure that water in the water collecting tank can be smoothly conveyed to the sloping surface lawn, preferably, an overflow weir is arranged at the top of the ecological slope with high altitude and large slope ratio, and a plurality of overflow channels are arranged on the overflow weir at intervals. Preferably, the distance between adjacent overflow channels is 0.5m, and the diameter of each overflow channel is 10 cm.
Preferably, the thickness of the planting soil layer is 15-25cm, and the preferred thickness is 20 cm.
The three-dimensional greening net is formed by paving a whole protective net from bottom to top from the bottom of the ecological side slope with high altitude and large slope ratio; or the three-dimensional greening net is formed by paving a plurality of protective nets from bottom to top of the bottom of the ecological slope with the high altitude and the large slope ratio, wherein the protective nets are overlapped with each other and are flatly paved close to the slope surface of the ecological slope after grass seeds are sprayed.
The water collecting tank is formed along the extending direction of the ecological side slope with high altitude and large slope ratio, has a certain slope and is arc-shaped at the bottom, and the size of the water collecting tank is determined according to the volume of rainwater required by primary drip irrigation of the side slope with the same length. The rain water collecting device is mainly used for collecting rain water, and more rain water can be more fully and uniformly absorbed by the soil on the slope surface through the overflow channel on the top of the slope, so that the survival rate and the drought resistance of the spray-sowed grass seeds are improved.
The grass seed layer is formed by uniformly mixing grass seeds and fertilizer according to the mass ratio of 1:3 and then spraying and spreading, and the grass seeds are suitable for local growing environment.
The base surface of the high-altitude and large-slope ecological slope is preferably a flat base surface without protrusions. The anchoring piece is a U-shaped anchoring nail, a wood pile or a bamboo chip, and the depth of the anchoring piece extending into the soil planting layer is 10 cm-20 cm.
The utility model has the following beneficial effects:
1. the utility model mainly aims at loess soil side slopes with high altitude and high slope ratio and great treatment difficulty, but is also suitable for other soil side slopes, has wide application range, not only improves the rain wash resistance of the high altitude and high slope ratio side slopes, reduces water and soil loss, prolongs the service life of the high altitude and high slope ratio side slopes, improves the water quality entering rivers and lakes from the side slopes to a certain degree, but also plays the effects of wind prevention, sun protection and water source conservation to a certain degree,
2. the utility model avoids slope cutting, has simple construction, can greatly shorten the construction period and further saves the cost;
3. the utility model anchors a three-dimensional greening net on the side slope with grass seeds, the three-dimensional greening net is a three-dimensional structure towel gourd net-like net pad, is generally made of high polymer synthetic materials such as polypropylene and the like, and has light weight (about 150 g/m)2) High tenacity, ultraviolet resistance reinforce, characteristics such as ageing-resistant, weave through the solid moreover, are favorable to the entering of rainwater, prevent the outflow of soil, have played effectual fixed action, have prevented the soil erosion and water loss phenomenon of side slope to play effectual moisturizing effect to side slope planting soil layer, can promote the sprouting of grass seed, be favorable to vegetation, reduced the loss of spray-seeding grass seed on the side slope, and then reduced the quantity of spray-seeding grass seed.
4. The water collecting tank with a certain slope, which is arranged at the top of the ecological side slope, can effectively collect rainwater, and more rainwater can be more fully and uniformly absorbed by the soil of the slope surface through the overflow channel at the top of the slope, so that the drought resistance of the ecological side slope and the survival rate of vegetation on the side slope are effectively improved.
5. The high-altitude and large-slope ecological slope of the utility model improves the drought resistance of the ecological slope and the survival rate of grass seeds, reduces the seeding amount of seeds, effectively reduces the construction and maintenance cost of the high-altitude and large-slope ecological slope, and has high cost performance.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the ecological side slope of the present invention;
FIG. 2 is a schematic view of the three-dimensional greening net of the present invention;
fig. 3-5 are schematic structural views of the U-shaped anchor, the wood pile and the bamboo chip, respectively, according to the present invention.
Wherein:
1. planting soil layer 2, grass seed layer 3, three-dimensional greening net 4, water collecting tank 5 and overflow weir building
6. Top 7, bottom 8, anchor 9, overflow channel
Detailed Description
For a better understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-5, the utility model provides a high-altitude and large-slope ratio ecological side slope, which comprises a planting soil layer 1 laid on a base surface, wherein a grass seed layer 2 for spray seeding is arranged on the planting soil layer 1, and a three-dimensional greening net (three-dimensional vegetation net) 3 anchored on the ecological side slope is covered on the grass seed layer 2.
Preferably, the base surface of the ecological side slope with high altitude and large slope ratio is a flat base surface without protrusions. The protrusions comprise loose stones, trash and/or weeds. The sprayed grass seeds are suitable for being easily grown under the local climatic conditions.
When grass seeds are sprayed, the grass seeds and the fertilizer are preferably uniformly mixed according to the mass ratio of 1:3, and then the mixture is uniformly sprayed on the planting soil layer of the ecological side slope with high altitude and large slope ratio. The fertilizer is prepared by uniformly stirring 10% of organic fertilizer, 20% of chemical fertilizer and 70% of planting soil.
The three-dimensional greening net is flatly laid close to the slope surface of the ecological slope after grass seeds are sprayed and sown as much as possible. The three-dimensional greening net is formed by paving a whole protective net from bottom to top at the bottom of the ecological side slope with high altitude and large slope ratio, or the three-dimensional greening net is formed by paving a plurality of protective nets from bottom to top at the bottom of the ecological side slope with high altitude and large slope ratio in a mutually lap joint mode.
In order to better fix the three-dimensional greening net and avoid falling off of the three-dimensional greening net caused by strong rain wash, the top and the bottom of the high-altitude and large-slope ecological slope are preferably compacted by planting soil or gravels and further fixed by anchors.
The three-dimensional greening net can be anchored by adopting any one or more of the following anchoring parts 3: u-shaped anchors, wooden piles or bamboo chips. The type and depth of the anchoring parts adopted by the anchoring can be selected according to the current situation of the side slope, the arrangement mode and the distance between the anchoring parts are based on the principle that the three-dimensional greening net can be smoothly and tightly attached to the ecological side slope surface after grass seeds are sprayed, and preferably, the anchoring parts on adjacent rows or columns of the three-dimensional greening net are distributed in a staggered mode. Fig. 2 shows one embodiment of an anchor arrangement.
In order to ensure the normal growth of the vegetation, the plant grass seeds are preferably watered respectively before germination, during germination and in the seedling stage, or the whole infiltration and surface wetting of the soil layer of the ecological side slope are kept by other means.
The ecological slope protection of the utility model can be constructed according to the following steps:
1. and (3) slope clearing: removing loose stones, garbage, weeds and other protrusions on the surface to ensure that the base surface is smooth;
2. constructing a water collecting tank: constructing a water collecting tank 4 at the top of the side slope, preferably, the water collecting tank 4 has a certain gradient to facilitate the collection of rainwater, the bottom of the water collecting tank is arc-shaped, and the size of the water collecting tank is determined according to the actual area of the side slope so as to perform the volume determination of rainwater required by primary drip irrigation;
3. and (3) construction of overflow weirs and overflow channels: constructing overflow weirs 5 at the top of the side slope close to the side slope, wherein the height of each overflow weir is preferably 20cm, and overflow channels with the diameter of 10cm are arranged on the overflow weirs, and the distance between every two overflow channels is preferably 0.5 m;
4. laying a planting soil layer: planting soil is paved on the base surface, preferably, the paving thickness of the planting soil is 20 cm;
5. spraying and sowing grass seeds: uniformly mixing the selected grass seeds and the fertilizer according to the mass ratio of 1:3, and spraying and sowing on the surface of a side slope planting soil layer;
6. covering a three-dimensional greening net: paving from the lower part of the slope to the upper part of the slope, clinging to the soil layer as much as possible during paving, reserving enough length at the top and the bottom of the slope, fixing by using anchoring nails and compacting by using planting soil or original soil. Then fixing the three-dimensional greening net on the slope surface by using anchoring parts, wherein the arrangement mode and the distance of the anchoring parts are based on the principle that the three-dimensional greening net can be smoothly and tightly attached to the slope surface, the inserting depth of the anchoring parts is preferably 10-20 cm, and the anchoring parts can be selected from U-shaped anchors, wood piles, bamboo chips and the like.
7. Watering and maintaining: watering should be carried out in time after the three-dimensional greening net is laid, and moisture required by seed germination and seedling growth is guaranteed. After the three-dimensional greening net is laid, the three-dimensional greening net is not allowed to be uncovered randomly until vegetation forms a lawn, so that the normal development and growth of grass are ensured.
The water collecting tank with a certain gradient and depth arranged at the top of the ecological side slope can effectively collect rainwater, and more rainwater can be more fully and uniformly absorbed by the soil of the slope surface through the overflow channel at the top of the slope, so that the drought resistance of the ecological side slope and the survival rate of vegetation on the side slope are effectively improved. When the liquid level of the water collecting tank is lower, the vegetation can be watered in a manual watering mode.
Claims (8)
1. The ecological side slope with high altitude and large slope ratio has the altitude of 2000-4000 meters and the slope range of 45-80 degrees, and is characterized in that: the ecological side slope with high altitude and large slope ratio comprises a planting soil layer (1), a grass seed layer (2), a three-dimensional greening net (3) and a water collecting pool (4),
the planting soil layer (1) is laid on the base surface of the ecological side slope with high altitude and large slope ratio;
the grass seed layer (2) is broadcast on the planting soil layer (1);
the three-dimensional greening net (3) covers the grass seed layer (2) and is anchored on the ecological side slope with high altitude and large slope ratio through an anchoring piece, and the top and the bottom of the three-dimensional greening net are compacted through planting soil or gravels and fixed through anchoring nails;
the water collecting tank (4) is arranged at the top of the ecological side slope with high altitude and large slope ratio; the top of the ecological side slope with high altitude and large slope ratio is provided with an overflow weir (5), and a plurality of overflow channels (9) are arranged on the overflow weir (5) at intervals.
2. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the thickness of the planting soil layer (1) is 15-25 cm.
3. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the three-dimensional greening net (3) is formed by paving a whole protective net from bottom to top on the bottom of the high-altitude ecological slope with a large slope ratio; or the three-dimensional greening net (3) is formed by paving a plurality of protective nets from bottom to top from the bottom of the ecological side slope with high altitude and large slope ratio and overlapping the protective nets with each other.
4. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the water collecting tank (4) is formed along the extending direction of the ecological side slope with high altitude and large slope ratio, has a certain slope and is arc-shaped at the bottom, and the size of the water collecting tank is determined according to the volume of rainwater required by primary drip irrigation of the side slope with the same length.
5. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the distance between adjacent overflow channels (9) is 0.5m, and the diameter of each overflow channel is 10 cm.
6. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the slope of the ecological side slope with high altitude and large slope ratio is 60-75 degrees.
7. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the basal plane of the ecological side slope with high altitude and large slope ratio is a flat basal plane without protrusions.
8. The high altitude, high slope ratio ecological slope according to claim 1, characterized in that: the anchoring piece is a U-shaped anchor, a wood pile or a bamboo sheet, and the depth of the anchoring piece extending into the soil planting layer (1) is 10 cm-20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122759262.4U CN216475100U (en) | 2021-11-11 | 2021-11-11 | Ecological side slope with high altitude and large slope ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122759262.4U CN216475100U (en) | 2021-11-11 | 2021-11-11 | Ecological side slope with high altitude and large slope ratio |
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| Publication Number | Publication Date |
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| CN216475100U true CN216475100U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122759262.4U Active CN216475100U (en) | 2021-11-11 | 2021-11-11 | Ecological side slope with high altitude and large slope ratio |
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2021
- 2021-11-11 CN CN202122759262.4U patent/CN216475100U/en active Active
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