CN116791634A - Ecological slope protection structure and construction method - Google Patents
Ecological slope protection structure and construction method Download PDFInfo
- Publication number
- CN116791634A CN116791634A CN202310413226.3A CN202310413226A CN116791634A CN 116791634 A CN116791634 A CN 116791634A CN 202310413226 A CN202310413226 A CN 202310413226A CN 116791634 A CN116791634 A CN 116791634A
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- Prior art keywords
- slope
- retaining wall
- slope protection
- protection structure
- stepped retaining
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 59
- 241000196324 Embryophyta Species 0.000 claims abstract description 24
- 239000004575 stone Substances 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 239000002028 Biomass Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000010902 straw Substances 0.000 claims description 12
- 244000060011 Cocos nucifera Species 0.000 claims description 10
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 9
- 238000004873 anchoring Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 21
- 244000284012 Vetiveria zizanioides Species 0.000 description 10
- 235000007769 Vetiveria zizanioides Nutrition 0.000 description 10
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 244000052363 Cynodon dactylon Species 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 241000223025 Caragana microphylla Species 0.000 description 1
- 241000201320 Ligustrum japonicum Species 0.000 description 1
- 241001092500 Photinia x fraseri Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
Abstract
The invention discloses an ecological slope protection structure and a construction method, and belongs to the technical field of slope protection, wherein the slope protection structure comprises a slope body, a stepped retaining wall, a rubble layer and a slope protection vegetation layer arranged on the outer side of the stepped retaining wall; the slope body is in a depression type ladder shape; the crushed stone layers are convexly arranged on the ground below the inclined surface of the slope body at intervals; the stepped retaining wall is horizontally matched with the slope body; the revetment vegetation layer comprises plants planted on the outer surface of the stepped retaining wall and turf paved on the outer surface of the stepped retaining wall. The ecological slope protection structure has the advantages of simple structure, convenient construction, high gravity type retaining wall strength and high safety and stability, and can fully utilize the anchoring effect of plant root systems on soil to achieve the protection and reinforcement effect on the side slope, and meanwhile, the tooth tenon structure of the ecological slope protection structure can effectively improve the anti-slip capability of the slope body and the ground.
Description
Technical Field
The invention belongs to the technical field of slope protection, and particularly relates to an ecological slope protection structure and a construction method.
Background
The slope is used as a bare soil or rock matrix, has poor soil fertility, soil fixing property, water retention property and fertilizer retention property, is extremely easy to cause natural disasters, damages local landscapes and ecological systems, and only depends on natural restoration, so that the slope needs a long time and has low benefit, and artificial slope greening is needed to carry out ecological restoration.
The ecological slope protection is a slope protection technology for supporting slopes or side slopes by basic knowledge of the subjects of comprehensive engineering mechanics, soil science, ecology, plant science and the like to form a comprehensive slope protection system consisting of plants or engineering and plants. The main process of the current ecological slope protection is to protect and strengthen the surface layer of the side slope by planting plants after the side slope is formed by utilizing the interaction (root anchoring effect) of the plants with rock and soil bodies, so that the requirement on the stability of the surface layer of the side slope can be met, and the slope protection mode of the damaged natural ecological environment can be recovered, thereby being an effective slope protection and slope fixing means. However, in the early stage, when the plants are not full, the side slope is easy to wash down, the shock resistance is not strong, and the effects of wind prevention and slope fixation cannot be achieved.
Gravity retaining walls refer to structures that rely on their own weight to prevent the collapse of soil slopes. The retaining wall is stable under the action of water and soil pressure by means of self gravity, can be constructed by bricks, stones and concrete, is generally not matched with reinforcing steel bars or is only matched with a small amount of reinforcing steel bars in a local range, and is a retaining wall commonly used at present. The gravity retaining wall structure has the advantages of high strength and high safety and stability as a common retaining wall in China, but also has the defect of insufficient greening. In order to solve the greening problem, some gravity type retaining walls are provided with greening grooves protruding outwards, however, the protruding greening grooves can increase the self weight of the gravity type retaining walls after filling planting soil and planting plants, so that the overturning moment of the gravity type retaining walls is increased, and the overturning risk is increased.
Therefore, there is a need for further improvements over existing slope protection structures.
Disclosure of Invention
In view of the above, the invention provides an ecological slope protection structure which has the advantages of simple structure, convenient construction, high gravity type retaining wall strength and high safety and stability, and can fully utilize the anchoring effect of plant root systems on soil to achieve the protection and reinforcement effect on a side slope, and simultaneously the tooth tenon structure of the ecological slope protection structure can effectively improve the anti-slip capability of a slope body and the ground.
The invention is realized by the following technical scheme:
an ecological slope protection structure comprises a slope body, a stepped retaining wall, a gravel layer and a slope protection vegetation layer arranged on the outer side of the stepped retaining wall; the slope body is in a depression type ladder shape; the crushed stone layers are convexly arranged on the ground below the inclined surface of the slope body at intervals; the stepped retaining wall is horizontally matched with the slope body; the revetment vegetation layer comprises plants planted on the outer surface of the stepped retaining wall and turf paved on the outer surface of the stepped retaining wall.
Compared with the prior art, the invention has the following technical effects:
the reinforced soil is adopted to backfill the stepped retaining wall similar to the gravity type wall body, meanwhile, the slope body is excavated into a depression type stepped shape, the stepped retaining wall is more tightly matched with the depression type slope body, and the anti-slip capability and the stability of the slope can be effectively improved; in addition, the ground at the bottom of the stepped retaining wall is provided with a gravel layer with interval protrusions to form a tooth-tenon-like structure, so that the whole anti-sliding capacity of the slope body is improved; plants are planted on the outer side surface of the stepped retaining wall, turf is paved, and the surface soil body of the side slope is prevented from being washed.
Further, the stepped retaining wall is formed by stacking reinforced soil in layers.
Further, the reinforced soil is prepared by mixing biomass reinforced materials and filling soil.
Further, the biomass reinforcement material is one of straw, stalk and shredded coconut.
Further, the top and the bottom of the slope body are respectively provided with a water intercepting ditch and a drainage ditch so as to intercept and drain the accumulated rainwater.
The invention also provides a construction method of the ecological slope protection structure, which comprises the following steps:
s1: digging a side slope into a depression type ladder-shaped structure;
s2: grooves are dug at intervals on the ground below the inclined surface of the slope body, and stone blocks are buried, and one ends of the stone blocks protrude out of the bottom surface; the method comprises the steps of carrying out a first treatment on the surface of the
S3: backfilling the reinforced soil to the outer side of the side slope in a layered manner to form a stepped retaining wall;
s4: plants with developed root systems are planted at intervals on the outer sides of the stepped retaining walls, grass-leaved turf is paved, and meanwhile, intercepting ditches and drainage ditches are formed in the tops and the bottoms of the slopes.
Further, in the step S3, the reinforced soil is obtained by mixing 0.2% of straw and 99.8% of filling soil.
Further, in the step S3, the reinforced soil is obtained by mixing 0.3% of shredded coconut and 99.7% of filling soil
Further, in step S3, the compaction degree of each layer of reinforced soil is 90% -95%.
Further, in step S2, after the crushed stone is buried in the trench, clay is backfilled and compacted.
The invention also has the following technical effects:
1. according to the invention, a depression-inclined step-type section shape is formed on the back of the wall, so that the vertical soil pressure of the retaining wall is increased, reinforced soil is filled in layers, the side slope is temporarily reinforced, the whole slope body forms a gravity-like retaining wall structure, the side slope supporting function is further exerted, and the stability of the slope body and the soil body at the rear is ensured.
2. Plants with developed root systems are planted on the surface of the reinforced soil side slope of the hybrid biomass reinforced material to form a common supporting structure system, and when the plants grow and develop and the root systems are not developed sufficiently, the biomass material in the reinforced soil can play a role in stabilizing the side slope, so that the stability of the side slope is ensured before the plants do not grow sufficiently; when the plant grows completely, the plant replaces the reinforced soil to play a role of deeply anchoring the slope along with the decay of the biomass added material.
3. According to the invention, the slope protection turf is paved on the surface of the side slope, and the plant with developed root system is matched to form the slope protection vegetation layer, so that the ecological slope protection is realized together.
4. The construction method is simple, the slope protection cost is low, the ecological environment is protected, and the popularization is easy.
Drawings
Fig. 1 is a schematic side view of an ecological slope protection structure of the present invention.
Fig. 2 is an elevation schematic view of the ecological slope protection structure of the present invention.
Fig. 3 is a graph showing stress-strain relationship of reinforced soil at 200 ambient pressures and different coconut shred contents.
FIG. 4 is a graph showing stress-strain relationship of reinforced soil under 200 surrounding pressure and different straw contents.
Wherein, the attached drawings illustrate that the slope body is 1-slope body; 2-stone blocks; 3-reinforced soil; 4-vetiver grass; 5-bermuda grass; 6-intercepting ditches; 7-drainage ditch.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, the present embodiment provides an ecological slope protection structure, which includes a slope body 1, a stepped retaining wall, a gravel layer and a slope protection vegetation layer; the slope body is in a tilting ladder shape; the crushed stone layer is convexly arranged on the bottom surface of the side slope at intervals; the stepped retaining wall is horizontally matched with the slope body; the revetment vegetation layer is paved on the side surface of the stepped retaining wall, which is far away from the slope body, so that an ecological revetment structure is formed.
Specifically, the stepped retaining wall is formed by stacking reinforced soil 3 in layers, the reinforced soil 3 is prepared by mixing biomass reinforced materials and soil bodies, and the biomass reinforced materials can be selected from straw, stalk, coconut shreds, agricultural and forestry wastes and the like. In this embodiment, the shredded coconut is selected, and related experiments are performed on the strength of shredded coconut under different doping amounts, and the experimental results are shown in fig. 3, so that it can be determined that the strength of reinforced soil is maximum when the shredded coconut content is 0.3% in the soil body.
Specifically, the revetment vegetation layer comprises plants planted on the outer surface of the stepped retaining wall and turf paved on the outer surface of the stepped retaining wall. Plants with developed root systems, such as vetiver grass, photinia fraseri, ligustrum japonicum, hu Zhi, caragana microphylla and the like, are selected, the root systems of the vetiver grass 4 are developed, the soil penetration depth is deep, the tensile strength is high, the vetiver grass 4 is developed and mature after the biomass reinforcement material is rotten, the rhizome can reach 2-3m and extend into a slope body, so that the effect of stabilizing the slope body is achieved, and the anti-slip capability of the side slope is improved. The turf in the embodiment adopts the bermudagrass so that the surface of the retaining wall is not washed, and the turf has a good greening effect.
Based on the above scheme, the construction method of the embodiment includes the following steps:
s1: digging an original slope body 1 into a tilting ladder-shaped structure, wherein each layer of ladder is 1.5m in height and 1m in width;
s2: digging grooves on the ground below the inclined surface of the slope body 1 at intervals of 2m, wherein the depth of the grooves is 30-40cm, and burying gravel blocks 2 in the grooves, wherein the width of each gravel block 2 is similar, the height of each gravel block 2 is 60-80cm, when the gravel blocks 2 are placed in the grooves, one end of each gravel block protrudes out of the ground, and clay is backfilled in the grooves to tamp to form gravel layers, so that the gravel blocks 2 play the role of retaining wall tooth tenons, and the integral anti-skid capability is improved;
s3: mixing 0.3% of shredded coconut with 99.7% of filling soil to obtain reinforced soil 3, backfilling the reinforced soil 3 to the outer side of the slope body 1 in a layered manner, wherein the compactness of each layer of reinforced soil 3 is 90% -95%, and the layer spacing is 1.5m, so that a stepped retaining wall is formed, and the stepped retaining wall is matched with the tilting slope body 1 to form a gravity-like retaining wall to play a supporting function;
s4: planting vetiver grass 4 at intervals of 30cm on the outer side of the stepped retaining wall, wherein the planting depth of the vetiver grass 4 is 15cm; paving and planting bermudagrass 5 on the surface of the stepped retaining wall to form a revetment vegetation layer;
s5: and a water intercepting ditch 6 and a drainage ditch 7 are dug at the top and the bottom of the slope to intercept and drain the accumulated rainwater.
Through the construction process, the embodiment obtains a relatively stable ecological slope protection structure, the crushed stone layer with the tooth-like tenon structure is arranged, the whole anti-slip capability of the slope is improved, the rice straw and the filled soil body form reinforced soil 3, the reinforced soil is backfilled and tamped in a layered manner, the reinforced soil is matched with the slope body 1 to form a gravity-like retaining wall structure, meanwhile, the rice straw and vetiver 4 planted on the slope form a supporting structure system, the rice straw plays a temporary and firm role in stabilizing the slope when the vetiver 4 does not grow sufficiently, and the stability of the slope before the vetiver 4 does not grow sufficiently can be ensured; after the biomass reinforced material is rotten and fails, vetiver grass 4 with fully developed root system replaces the biomass reinforced material to stabilize the slope, the effect of deep anchoring the slope is exerted, the integral anti-slip capability of the slope is improved, and the laid bermuda grass 5 on the surface of the slope is matched with the vetiver grass 4 to jointly exert the effect of ecological slope protection.
Example 2
On the premise of not changing other construction steps of the embodiment 1, the embodiment adopts 0.2% of straw and 99.8% of filling soil to prepare reinforced soil, and the reinforced soil is filled to obtain a stepped retaining wall, so that an ecological slope protection structure is formed with a slope body. In this embodiment, a related experiment is performed on the soil strength of the rice straw with different doping amounts, and the experimental result is shown in fig. 4, so that it can be determined that the strength of the reinforced soil is maximum when the rice straw content is 0.2% in the soil.
In other embodiments, plants with developed root systems can be planted on the surface of the stepped retaining wall according to local environments.
The above description is only a few examples of the present invention and is not intended to limit the embodiments and the protection scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious changes made by the content of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The ecological slope protection structure is characterized by comprising a slope body, a stepped retaining wall, a gravel layer and a slope protection vegetation layer arranged on the outer side of the stepped retaining wall; the slope body is in a depression type ladder shape; the crushed stone layers are convexly arranged on the ground below the inclined surface of the slope body at intervals; the stepped retaining wall is horizontally matched with the slope body; the revetment vegetation layer comprises plants planted on the outer surface of the stepped retaining wall and turf paved on the outer surface of the stepped retaining wall.
2. An ecological slope protection structure according to claim 1, wherein the stepped retaining wall is formed by layered filling of reinforced soil.
3. An ecological slope protection structure according to claim 2, wherein the reinforced soil is obtained by mixing biomass reinforced material and filling soil.
4. An ecological slope protection structure according to claim 3, wherein the biomass reinforcement material is selected from one of straw, stalk, and shredded coconut.
5. The ecological slope protection structure according to claim 1, wherein the top and the bottom of the slope body are respectively provided with a water intercepting ditch and a drainage ditch.
6. A method of constructing an ecological slope protection structure according to any one of claims 1 to 5, comprising the steps of:
s1: digging a slope body into a depression type ladder-shaped structure;
s2: grooves are dug at intervals on the ground below the inclined surface of the slope body, and stone blocks are buried, and one ends of the stone blocks protrude out of the bottom surface;
s3: backfilling the reinforced soil to the outer side of the slope body in a layered manner to form a stepped retaining wall;
s4: plants with developed root systems are planted at intervals on the outer sides of the stepped retaining walls, grass-leaved turf is paved, and meanwhile, intercepting ditches and drainage ditches are formed in the tops and the bottoms of the slopes.
7. The method of constructing an ecological slope protection structure according to claim 6, wherein in the step S3, the reinforced soil is prepared by mixing 0.2% straw and 99.8% filling soil.
8. The method according to claim 6, wherein in the step S3, the reinforced soil is prepared by mixing 0.3% of shredded coconut and 99.7% of filling soil.
9. The method of construction of an ecological slope protection structure according to claim 6, wherein in step S3, the compaction degree of each layer of reinforced soil is 90% -95%.
10. The method according to claim 6, wherein in step S2, after the crushed stone is buried in the trench, clay is backfilled and compacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310413226.3A CN116791634A (en) | 2023-04-17 | 2023-04-17 | Ecological slope protection structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310413226.3A CN116791634A (en) | 2023-04-17 | 2023-04-17 | Ecological slope protection structure and construction method |
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| Publication Number | Publication Date |
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| CN116791634A true CN116791634A (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310413226.3A Pending CN116791634A (en) | 2023-04-17 | 2023-04-17 | Ecological slope protection structure and construction method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181317A (en) * | 1997-09-04 | 1999-03-26 | Takenaka Doboku Co Ltd | Self-standing landslide-protection wall by soil stabilization method |
| KR200185875Y1 (en) * | 2000-01-17 | 2000-06-15 | 유근무 | Reinforced earth retaining-wall for using sand-bag |
| KR20150019110A (en) * | 2013-08-12 | 2015-02-25 | 이평우 | Terraced retaining wall and construction method for slope vegetation |
| CN205035821U (en) * | 2015-09-17 | 2016-02-17 | 山东科技大学 | Combined type gravity retaining wall |
| CN106703050A (en) * | 2016-11-30 | 2017-05-24 | 中铁二院昆明勘察设计研究院有限责任公司 | Expansive soil road cutting side slope reinforced soil back-pressure seepage-preventive supporting structure and construction method thereof |
| CN106703053A (en) * | 2016-12-19 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Construction method for reinforced soil drainage composite revetment structure |
| CN213773452U (en) * | 2020-11-17 | 2021-07-23 | 重庆永固建筑科技发展有限公司 | Embedded reinforced earth retaining wall |
-
2023
- 2023-04-17 CN CN202310413226.3A patent/CN116791634A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181317A (en) * | 1997-09-04 | 1999-03-26 | Takenaka Doboku Co Ltd | Self-standing landslide-protection wall by soil stabilization method |
| KR200185875Y1 (en) * | 2000-01-17 | 2000-06-15 | 유근무 | Reinforced earth retaining-wall for using sand-bag |
| KR20150019110A (en) * | 2013-08-12 | 2015-02-25 | 이평우 | Terraced retaining wall and construction method for slope vegetation |
| CN205035821U (en) * | 2015-09-17 | 2016-02-17 | 山东科技大学 | Combined type gravity retaining wall |
| CN106703050A (en) * | 2016-11-30 | 2017-05-24 | 中铁二院昆明勘察设计研究院有限责任公司 | Expansive soil road cutting side slope reinforced soil back-pressure seepage-preventive supporting structure and construction method thereof |
| CN106703053A (en) * | 2016-12-19 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Construction method for reinforced soil drainage composite revetment structure |
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