CN114753308A - Protective reinforcing structure of side slope retaining wall and reinforcing method thereof - Google Patents
Protective reinforcing structure of side slope retaining wall and reinforcing method thereof Download PDFInfo
- Publication number
- CN114753308A CN114753308A CN202210555641.8A CN202210555641A CN114753308A CN 114753308 A CN114753308 A CN 114753308A CN 202210555641 A CN202210555641 A CN 202210555641A CN 114753308 A CN114753308 A CN 114753308A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 53
- 230000001681 protective effect Effects 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 239000004567 concrete Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 230000003796 beauty Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- 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
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- 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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to the technical field of side slope retaining walls and discloses a protection and reinforcement structure of a side slope retaining wall, which comprises a side slope body, a protection component and a fixing component, wherein a second fixing plate is fixedly installed on the upper side of the side slope body; the protection component is positioned on the left side of the side slope body, and the fixing component is positioned inside the side slope body; the protection component comprises a fixed bottom block, a connecting soft cushion, a protection plate, a fixed layer, a reinforcing layer and a baffle plate, wherein the left side of the fixed layer is fixed with the right side of the fixed bottom block, the connecting soft cushion and the protection plate, the upper side of the fixed bottom block is fixed with the lower side of the connecting soft cushion, and the upper side of the connecting soft cushion is fixed with the lower side of the protection plate. This protection reinforced structure of side slope barricade has wholly realized the purpose that the side slope barricade used firmly for a long time to can cushion falling rocks and can carry out the effect of drainage, have fine practicality and stability.
Description
Technical Field
The invention relates to the technical field of side slope retaining walls, in particular to a protective reinforcing structure and a reinforcing method of a side slope retaining wall.
Background
Retaining walls are generally referred to as revetments. The method refers to a general name of various paving and planting on a slope surface for preventing a side slope from being washed, a river section where a bridge site is located, a concave bank of the river bank is washed by water flow year by year, the river bank can be continuously collapsed, and a protective building needs to be built on the concave bank for protecting the safety of a bridge and a embankment.
Because of the prior technical problems and the corrosion for many years, the side slope retaining wall on the market already falls off and cannot be as stable as the side slope retaining wall just installed, the side slope retaining wall is provided to solve the problems that the side slope retaining wall is not stable after being used for a long time and the like,
disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protective reinforcing structure of a side slope retaining wall and a reinforcing method thereof, which have the advantages of stable use and the like and solve the problem that the side slope retaining wall is unstable after being used for a long time.
(II) technical scheme
In order to realize the purpose of stabilizing the slope retaining wall for long-time use, the invention provides the following technical scheme: the utility model provides a protection reinforced structure of side slope barricade, includes side slope body, protection component and fixed subassembly, and the upside fixed mounting of side slope body has the second fixed plate.
The protection component is located on the left side of the side slope body, and the fixing component is located inside the side slope body.
The protection component comprises a fixed bottom block, a connecting cushion, a protection plate, a fixed layer, a reinforcing layer and a baffle plate, wherein the left side of the fixed layer is fixed with the right side of the fixed bottom block, the connecting cushion and the protection plate, the upper side of the fixed bottom block is fixed with the lower side of the connecting cushion, the upper side of the connecting cushion is fixed with the lower side of the protection plate, the right side of the fixed layer is fixed with the left side of the reinforcing layer, the right side of the reinforcing layer is fixed with the left side of the baffle plate, and the lower side of the second fixing plate is fixed with the tops of the fixed layer, the reinforcing layer and the baffle plate.
Preferably, the quantity of fixed bottom piece, connection cushion, guard plate is three, fixed bed, back up coat and baffle are the slope setting, the downside fixed mounting of fixed bed, back up coat and baffle has the bottom plate.
Preferably, fixed subassembly includes anchor strut and spacing post, the quantity of anchor strut is three, three anchor strut all runs through the middle part of fixed bottom block, fixed bed, reinforced bed and baffle, spacing post runs through in the right side of three anchor strut.
Preferably, the limiting column penetrates through the middle of the second fixing plate, a first fixing plate is fixedly mounted on the upper side of the limiting column, and two fixing screws are mounted on the upper side of the first fixing plate.
Preferably, the front of second fixed plate just is located the right side of spacing post and runs through and is provided with the water inlet, the downside fixed mounting of water inlet has first connecting pipe, the downside fixed mounting of first connecting pipe has L type connecting pipe box, the left side fixed mounting of L type connecting pipe box has the second connecting pipe.
Preferably, the left side of the second connecting pipe penetrates through the middle parts of the fixing layer, the reinforcing layer and the baffle, and the second connecting pipe, the L-shaped connecting pipe sleeve and the first connecting pipe are arranged inside the slope body.
Preferably, the left side of side slope body upside is seted up flutedly, bottom fixed mounting has the soft piece in the recess, the upside of side slope body and the left side fixed mounting who is located the soft piece have the baffle.
The invention provides a method for protecting and reinforcing a side slope retaining wall, which comprises the following steps:
1) the concrete is prepared by mixing cement as cementing material, sand and stone as aggregate, water and optionally admixture in certain proportion and stirring.
2) Firstly, reinforcing steel bars are installed on the surface of the baffle, iron wires are used for reinforcing the reinforcing steel bars, concrete is filled between the reinforced reinforcing steel bars, then the surfaces of the concrete are compacted, and then a small amount of water is added for many times, so that the concrete is not cracked when becoming solid.
3) Then when the concrete reaches a certain strength, a layer of stone blocks are paved on the left side of the reinforced concrete, and then the concrete is paved, so that the reinforced concrete has the functions of reinforcement and beauty.
4) Then, holes are drilled in the two concrete layers, the radius of the drilled holes is 5cm, and the length of the drilled holes is 5 m.
5) Then install the stiffening rod in the drilling, use the spacing post to fix at last.
Advantageous effects
Compared with the prior art, the invention provides the protective reinforcement structure of the side slope retaining wall and the reinforcement method thereof, and the protective reinforcement structure has the following beneficial effects:
1. according to the protection and reinforcement structure and the reinforcement method of the side slope retaining wall, through the protection component, falling rocks falling from the upper side of the side slope can be reduced in gravitational potential energy, danger caused by over-high falling rock energy is avoided, and the side slope retaining wall has good protection performance.
2. According to the protective reinforcing structure and the reinforcing method of the side slope retaining wall, the reinforcing rods can penetrate and fix the fixed bottom block, the fixed layer, the reinforcing layer and the baffle through the fixing assemblies, and finally the reinforcing rods are stably fixed through the limiting columns, so that the side slope retaining wall can have good fixity.
Drawings
Fig. 1 is a schematic structural view of a protective reinforcement structure for a side slope retaining wall according to the present invention;
fig. 2 is a sectional view of a protective assembly in the protective reinforcement structure of the retaining wall for a side slope according to the present invention;
FIG. 3 is a cross-sectional view of a fixing member in a protective reinforcement structure for a retaining wall of a side slope according to the present invention
In the figure: the structure comprises 1 reinforcing rod, 2 fixed bottom blocks, 3 connecting soft pads, 4 protection plates, 5 fixed layers, 6 reinforcing layers, 7 baffle plates, 8 fixing screws, 9 first fixing plates, 10 limiting columns, 11 second fixing plates, 12 water inlets, 13 first connecting pipes, 14L-shaped connecting pipe sleeves, 15 slope bodies, 16 second connecting pipes, 17 bottom plates, 18 grooves, 19 soft blocks and 20 baffle plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-3, a protective and reinforced structure for a side slope retaining wall includes a side slope body 15, a protective component and a fixing component, wherein a second fixing plate 11 is fixedly installed on the upper side of the side slope body 15.
When using, the fixed bottom block 2, connect cushion 3, the quantity of guard plate 4 is three, and fixed layer 5, back up coat 6 and baffle 7 are the slope setting, and the downside fixed mounting of fixed layer 5, back up coat 6 and baffle 7 has bottom plate 17, and fixed subassembly includes anchor strut 1 and spacing post 10, and the quantity of anchor strut 1 is three, and three anchor strut 1 all runs through the middle part of fixed bottom block 2, fixed layer 5, back up coat 6 and baffle 7, and spacing post 10 runs through in the right side of three anchor strut 1.
Wherein, the fixed layer 5 is formed by mixing larger stones and concrete, and has good stability and certain aesthetic property; the lengths of the three reinforcing rods 1 are different, and the lengths of the reinforcing rods 1 are sequentially increased from high to low.
The protection component is located on the left side of the side slope body 15, and the fixing component is located inside the side slope body 15.
The protection component comprises a fixed bottom block 2, a connecting cushion 3, a protection plate 4, a fixed layer 5, a reinforcing layer 6 and a baffle 7, the left side of the fixed layer 5 is fixed with the fixed bottom block 2, the right sides of the connecting cushion 3 and the protection plate 4 are fixed mutually, the upside of the fixed bottom block 2 is fixed with the downside of the connecting cushion 3, the upside of the connecting cushion 3 is fixed with the downside of the protection plate 4, the right side of the fixed layer 5 is fixed with the left side of the reinforcing layer 6, the right side of the reinforcing layer 6 is fixed with the left side of the baffle 7, the downside of a second fixing plate 11 is fixed with the fixed layer 5, the tops of the reinforcing layer 6 and the baffle 7 are fixed mutually.
Wherein, the reinforcing layer 6 is formed by mixing a reinforcing steel bar frame and concrete, and has good stability; fixed bottom block 2, connection cushion 3, guard plate 4 can effectually prevent that the falling rocks whereabouts of top from causing the influence to the side slope.
When the fixing device is used, the limiting column 10 penetrates through the middle of the second fixing plate 11, the first fixing plate 9 is fixedly installed on the upper side of the limiting column 10, and two fixing screws 8 are installed on the upper side of the first fixing plate 9.
When the water-saving type water-saving device is used, the front face of the second fixing plate 11 and the right side of the limiting column 10 are provided with a water inlet 12 in a penetrating mode, a first connecting pipe 13 is fixedly installed on the lower side of the water inlet 12, an L-shaped connecting pipe sleeve 14 is fixedly installed on the lower side of the first connecting pipe 13, and a second connecting pipe 16 is fixedly installed on the left side of the L-shaped connecting pipe sleeve 14.
When in use, the left side of the second connecting pipe 16 penetrates through the middle parts of the fixing layer 5, the reinforcing layer 6 and the baffle 7, and the second connecting pipe 16, the L-shaped connecting pipe sleeve 14 and the first connecting pipe 13 are all arranged inside the slope body 15.
When the slope is used, a groove 18 is formed in the left side of the upper side of the slope body 15, a soft block 19 is fixedly mounted at the bottom in the groove 18, and a baffle 20 is fixedly mounted on the left side, located on the soft block 19, of the upper side of the slope body 15.
The invention provides a method for protecting and reinforcing a side slope retaining wall, which comprises the following steps:
1) the concrete is prepared by mixing cement as cementing material, sand and stone as aggregate, water and optionally admixture in certain proportion and stirring.
2) Firstly, reinforcing steel bars are installed on the surface of the baffle 7, iron wires are used for reinforcing the reinforcing steel bars, concrete is filled between the reinforced reinforcing steel bars, then the surfaces of the concrete are compacted, and then a small amount of water is added for many times, so that the concrete is not cracked when the concrete becomes solid.
3) Then when the concrete reaches a certain strength, a layer of stone blocks are paved on the left side of the reinforced concrete, and then the concrete is paved, so that the reinforced concrete has the functions of reinforcement and beauty.
4) Then, holes are drilled in the two concrete layers, the radius of the drilled holes is 5cm, and the length of the drilled holes is 5 m.
5) Then the reinforcing rod 1 is installed in the drill hole, and finally the fixing is carried out by using the limiting column 10.
In summary, the protective reinforcement structure and the reinforcement method of the side slope retaining wall, when reinforcing, three reinforcement rods 1 can penetrate through the fixed bottom block 2, the fixed layer 5, the reinforcement layer 6 and the baffle 7, and the right sides of the three reinforcement rods 1 can be fixed by the limiting post 10, the fixed bottom block 2, the connecting cushion 3 and the protection plate 4 can play a role in reducing the influence of the falling rocks above on the side slope, the first fixing plate 9 and the fixing screw 8 are used for fixing the limiting post 10, the water inlet 12, the first connecting pipe 13, the L-shaped connecting pipe sleeve 14 and the second connecting pipe 16 can discharge the water above the side slope body 15 into the groove 18, the soft block 19 can reduce the energy of the falling rocks, the baffle 20 can prevent the falling rocks from splashing out with water flow, the whole side slope retaining wall can be stabilized for a long time, and the effects of buffering and draining the falling rocks can be achieved, has good practicability and stability.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a protection reinforced structure of side slope barricade, includes side slope body (15), protection component and fixed subassembly, its characterized in that: a second fixing plate (11) is fixedly arranged on the upper side of the side slope body (15);
the protection component is positioned on the left side of the side slope body (15), and the fixing component is positioned inside the side slope body (15);
the protection component comprises a fixed bottom block (2), a connecting cushion (3), a protection plate (4), a fixed layer (5), a reinforcing layer (6) and a baffle (7), wherein the left side of the fixed layer (5) is fixed with the right side of the fixed bottom block (2), the connecting cushion (3) and the protection plate (4), the upper side of the fixed bottom block (2) is fixed with the lower side of the connecting cushion (3), the upper side of the connecting cushion (3) is fixed with the lower side of the protection plate (4), the right side of the fixed layer (5) is fixed with the left side of the reinforcing layer (6), the right side of the reinforcing layer (6) is fixed with the left side of the baffle (7), and the lower side of the second fixed plate (11) is fixed with the tops of the fixed layer (5), the reinforcing layer (6) and the baffle (7).
2. The protective and reinforcing structure for a retaining wall of a side slope according to claim 1, wherein: the quantity of fixed bottom piece (2), connection cushion (3), guard plate (4) is three, fixed bed (5), back up coat (6) and baffle (7) are the slope setting, the downside fixed mounting of fixed bed (5), back up coat (6) and baffle (7) has bottom plate (17).
3. The protective and reinforcing structure for side slope retaining wall according to claim 2, wherein: the fixing assembly comprises reinforcing rods (1) and limiting columns (10), the number of the reinforcing rods (1) is three, the middle parts of the fixing bottom blocks (2), the fixing layers (5), the reinforcing layers (6) and the baffle plates (7) are all penetrated through the three reinforcing rods (1), and the limiting columns (10) penetrate through the right sides of the three reinforcing rods (1).
4. The slope retaining wall protecting and reinforcing structure according to claim 3, wherein: the limiting column (10) penetrates through the middle of the second fixing plate (11), a first fixing plate (9) is fixedly mounted on the upper side of the limiting column (10), and two fixing screws (8) are mounted on the upper side of the first fixing plate (9).
5. The protective and reinforcing structure for a side slope retaining wall as claimed in claim 4, wherein: the front of second fixed plate (11) just is located the right side of spacing post (10) and runs through and is provided with water inlet (12), the downside fixed mounting of water inlet (12) has first connecting pipe (13), the downside fixed mounting of first connecting pipe (13) has L type connecting pipe box (14), the left side fixed mounting of L type connecting pipe box (14) has second connecting pipe (16).
6. The protective and reinforcing structure for side slope retaining wall according to claim 5, wherein: the left side of the second connecting pipe (16) penetrates through the middle parts of the fixing layer (5), the reinforcing layer (6) and the baffle (7), and the second connecting pipe (16), the L-shaped connecting pipe sleeve (14) and the first connecting pipe (13) are all arranged inside the side slope body (15).
7. The protective and reinforcing structure for a retaining wall of a side slope according to claim 6, wherein: the left side of side slope body (15) upside is seted up recess (18), bottom fixed mounting has soft piece (19) in recess (18), the upside of side slope body (15) and the left side fixed mounting who is located soft piece (19) have baffle (20).
8. A protection and reinforcement method for a side slope retaining wall is characterized by comprising the following steps:
1) the concrete is prepared by mixing cement as cementing material, sand and stone as aggregate, water and optionally admixture in certain proportion and stirring.
2) Firstly, reinforcing steel bars are installed on the surface of the baffle (7), iron wires are used for reinforcing the reinforcing steel bars, concrete is filled between the reinforced reinforcing steel bars, then the surfaces of the concrete are compacted, and then a small amount of water is poured for many times, so that the concrete is not cracked when the concrete becomes solid.
3) Then when the concrete reaches a certain strength, a layer of stone blocks are paved on the left side of the reinforced concrete, and then the concrete is paved, so that the reinforced concrete has the functions of reinforcement and beauty.
4) Then, holes are drilled in the two concrete layers, the radius of the drilled holes is 5cm, and the length of the drilled holes is 5 m.
5) Then the reinforcing rod (1) is installed in the drilled hole, and finally the limiting column (10) is used for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210555641.8A CN114753308A (en) | 2022-05-20 | 2022-05-20 | Protective reinforcing structure of side slope retaining wall and reinforcing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210555641.8A CN114753308A (en) | 2022-05-20 | 2022-05-20 | Protective reinforcing structure of side slope retaining wall and reinforcing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114753308A true CN114753308A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210555641.8A Pending CN114753308A (en) | 2022-05-20 | 2022-05-20 | Protective reinforcing structure of side slope retaining wall and reinforcing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114753308A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3148923U (en) * | 2008-12-19 | 2009-03-05 | 株式会社水戸グリーンサービス | Slope repair and reinforcement structure |
| CN213653493U (en) * | 2020-10-27 | 2021-07-09 | 安徽宸昊工程设计有限公司 | Highway side slope retaining wall |
| CN214033744U (en) * | 2020-09-18 | 2021-08-24 | 云南沛鼎建设工程有限公司 | Slope protection device for hydraulic engineering treatment |
-
2022
- 2022-05-20 CN CN202210555641.8A patent/CN114753308A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3148923U (en) * | 2008-12-19 | 2009-03-05 | 株式会社水戸グリーンサービス | Slope repair and reinforcement structure |
| CN214033744U (en) * | 2020-09-18 | 2021-08-24 | 云南沛鼎建设工程有限公司 | Slope protection device for hydraulic engineering treatment |
| CN213653493U (en) * | 2020-10-27 | 2021-07-09 | 安徽宸昊工程设计有限公司 | Highway side slope retaining wall |
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Application publication date: 20220715 |
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