CN116770805A - Limiting and fixing device for geocell - Google Patents
Limiting and fixing device for geocell Download PDFInfo
- Publication number
- CN116770805A CN116770805A CN202310986203.1A CN202310986203A CN116770805A CN 116770805 A CN116770805 A CN 116770805A CN 202310986203 A CN202310986203 A CN 202310986203A CN 116770805 A CN116770805 A CN 116770805A
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- China
- Prior art keywords
- rod
- piston
- soil
- fixed
- fixed inserted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract description 2
- 238000007865 diluting Methods 0.000 abstract 2
- 239000007921 spray Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000007306 turnover Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003583 soil stabilizing agent Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0084—Geogrids
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a limiting and fixing device for a geocell, which comprises a fixed inserted link, wherein a cavity is formed in the fixed inserted link, a fixing mechanism for preventing the fixed inserted link from being separated from soil is arranged at the bottom of the cavity, and a material injection mechanism for improving the stability of soil is arranged in the middle of the cavity; after the second piston moves to the below of a plurality of discharge holes, because the air pressure in the region between first piston and the second piston influences for the soil curing agent after diluting is spouted from a plurality of discharge holes earlier, sprays the soil around the fixed inserted bar, and after the air pressure reduces, the soil curing agent after diluting flows out from a plurality of discharge holes, wets the soil of its below along the outer wall of fixed inserted bar, and the soil compaction around the fixed inserted bar is pressed to the cooperation outside, avoids appearing that the soil is loose to lead to the condition that fixed inserted bar taken out from the soil, thereby has improved the stability of fixed inserted bar.
Description
Technical Field
The invention relates to the technical field of geocells, in particular to a limiting and fixing device for a geocell.
Background
In projects such as slope protection, river protection and vegetation retaining walls, people often use geocells to improve the stability of soil so as to carry out greening construction or stable construction and the like; when the geocell is used, zhang Kaicheng net-shaped is needed, and the geocell is opened or two adjacent geocells are connected through the limiting fixing piece, so that people can conveniently fill loose materials and the like later, and people often use bending of metal rods and the like to act as the limiting fixing piece, but the limiting fixing piece is poor in stability; particularly, when filling materials, the limiting fixing piece is easy to deviate or incline, the limiting fixing effect is lost, and a scheme is required to be provided for solving the technical problems;
as disclosed in the patent document of CN111455997a, the device penetrates two adjacent geocells through two sets of vortex rods on the outer sleeve, and tightens the two geocells along with the rotation of the outer sleeve; the positioning column is pushed to slide along the outer sleeve, so that the bottom end of the positioning column drives the folding piece to be inserted into soil and folded, and the folding piece is in a folding state to be contacted with the soil under the limit of the necking structure; the process effectively improves the connection effect of two adjacent geocells; the contact area between the folding piece and the soil is increased, and the stability of the limiting and fixing device is improved;
but foretell device is when using, makes folding piece form the folded condition, has increased the area of contact with soil to improve spacing fixing device's stability and spacing effect, because the soil of bank protection department is comparatively lax, still there is the condition that the reference column was taken out from soil through this mode, influence carries out spacing fixed efficiency to geotechnique's check room.
Disclosure of Invention
The technical problem solved by the scheme is as follows:
how to solve the problem of how to improve the tightness degree of the soil around the fixed inserted bars, prevent that the fixed inserted bars from being easily pulled out from the soil and influence the limit efficiency of the geocell.
The aim of the invention can be achieved by the following technical scheme: the limiting and fixing device for the geocell comprises a fixed inserted link, wherein a cavity is formed in the fixed inserted link, a fixing mechanism for preventing the fixed inserted link from being separated from soil is arranged at the bottom of the cavity, and a material injection mechanism for improving the stability of soil is arranged in the middle of the cavity;
the fixing mechanism comprises two openings formed in the outer walls of the two sides of the fixed inserted link, a fixing seat is fixedly arranged at the position, corresponding to the openings, of the inner wall of the fixed inserted link, a transmission link is movably inserted in the fixing seat, and two overturning units which are in contact with soil are symmetrically arranged on the two sides of the transmission link; when the transmission rod moves downwards, the two overturning plates are driven to rotate simultaneously through the deflector rod, so that the two clamping plates respectively overturn and stretch out from the corresponding openings, the stability effect of the fixed inserted rod in soil is guaranteed in the process that the two clamping plates overturn and stretch out from the openings, the fixed inserted rod is pushed upwards through the clamping plates to push the soil around the fixed inserted rod, the fixed inserted rod is enabled to move downwards for a small distance continuously, and the stability of the fixed inserted rod in the soil is further improved.
The invention further technically improves that: the overturning unit comprises a clamping plate which is rotationally connected with the inner wall of the fixed inserted link through a pin shaft, the bottom of the clamping plate is in contact with the fixed seat, an overturning plate which is obliquely arranged is fixedly arranged at the top of the clamping plate, a sliding groove is formed in the front face of the overturning plate, a deflector rod is fixedly arranged in the middle of the transmission rod, the deflector rod is movably connected with the two sliding grooves, and the size of the clamping plate is smaller than that of the opening.
The invention further technically improves that: the middle part fixed mounting of transfer line has the baffle, elasticity is provided with thrust spring between baffle and the fixing base, still fixedly provided with the limiting plate that is used for leading the transfer line on the inner wall of fixed inserted bar, limiting plate and baffle contact, the bottom fixed mounting of transfer line has the magnet piece, the inner wall bottom fixed mounting of fixed inserted bar has the iron plate that corresponds with magnet piece position.
The invention further technically improves that: the material injection mechanism comprises a second piston fixedly connected with the top end of the transmission rod, the second piston is in sliding connection with the inner wall of the fixed inserted rod, a first piston is arranged on the inner wall of the fixed inserted rod above the second piston in a sliding manner, a feeding hole is formed in the side wall of the fixed inserted rod between the first piston and the second piston, and a plurality of discharging holes are formed in the inner wall of the fixed inserted rod below the second piston; the fixed insert rod is inserted into the soil through external pushing equipment, the knob is rotated, the first piston is pushed by the threaded rod to slowly move downwards, when the first piston moves to the lower side of the feeding hole, the first piston is continuously moved downwards, so that the air pressure in the area between the first piston and the second piston is increased, the second piston is pushed to move downwards, downward pushing force is provided for the transmission rod, after the second piston moves to the lower side of the plurality of discharging holes, the diluted soil curing agent is sprayed out from the plurality of discharging holes firstly due to the air pressure influence in the area between the first piston and the second piston, the diluted soil curing agent flows out from the plurality of discharging holes after the air pressure is reduced, the soil below the fixed insert rod is soaked along the outer wall of the fixed insert rod, the soil around the fixed insert rod is compacted by the external pressure tool, the condition that the fixed insert rod is pulled out from the soil is avoided, and the stability of the fixed insert rod is improved.
The invention further technically improves that: the inner diameter of the feed hole is smaller than the thickness of the first piston.
The invention further technically improves that: the fixed insert rod is characterized in that a fixed block is fixedly arranged at the top of the cavity of the fixed insert rod, a threaded rod is longitudinally connected with the inside of the fixed block in a threaded mode, a knob is fixedly arranged at the top of the threaded rod, and the bottom of the threaded rod is rotationally connected with the top of the first piston.
Compared with the prior art, the invention has the beneficial effects that:
when the fixed insert rod is used, the fixed insert rod is inserted into soil through the external pushing equipment, the knob is rotated, the threaded rod pushes the first piston to slowly move downwards, when the first piston moves to the position below the feeding hole, the first piston continues to move downwards, so that the air pressure in the area between the first piston and the second piston becomes large, the second piston is pushed to move downwards, downward pushing force is provided for the transmission rod, after the second piston moves to the position below the plurality of discharging holes, the diluted soil curing agent is sprayed out from the plurality of discharging holes due to the air pressure influence in the area between the first piston and the second piston, the diluted soil curing agent flows out from the plurality of discharging holes after the air pressure is reduced, the soil below the fixed insert rod is soaked along the outer wall of the fixed insert rod, the condition that the soil around the fixed insert rod is loose by matching with external pressure soil compaction is avoided, and the condition that the fixed insert rod is pulled out from the soil is avoided, and therefore the stability of the fixed insert rod is improved.
When the fixed inserting rod is used, when the transmission rod moves downwards, the two overturning plates are driven to rotate simultaneously through the deflector rod, so that the two clamping plates respectively overturn and extend out of the corresponding openings, the stabilizing effect of the fixed inserting rod in soil is ensured in the process that the two clamping plates overturn and extend out of the openings, and the soil around the fixed inserting rod is pushed upwards through the clamping plates, so that the fixed inserting rod continues to move downwards for a small distance, and the stability of the fixed inserting rod in the soil is further improved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of a fixing mechanism according to the present invention;
FIG. 3 is a schematic perspective view of the turnover unit structure of the present invention;
FIG. 4 is a schematic perspective view of the structure of the transmission rod of the present invention;
fig. 5 is an enlarged view of the structure of fig. 1 a according to the present invention.
In the figure: 1. a threaded rod; 2. a limit hook; 3. a material injection mechanism; 4. a fixing mechanism; 5. fixing the inserted link; 6. a fixed block; 7. a knob; 301. a first piston; 302. a feed hole; 303. a discharge hole; 304. a second piston; 401. a transmission rod; 402. a limiting plate; 403. an opening; 404. an iron plate; 405. a fixing seat; 406. a clamping plate; 407. a deflector rod; 408. a pin shaft; 409. a turnover plate; 410. a chute; 411. a baffle; 412. a magnet block.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-5, a limiting and fixing device for a geocell comprises a fixed insert rod 5, wherein a cavity is formed in the fixed insert rod 5, a fixing mechanism 4 for preventing the fixed insert rod 5 from separating from soil is arranged at the bottom of the cavity, and a material injecting mechanism 3 for improving soil stability is arranged in the middle of the cavity.
Referring to fig. 1-4, the fixing mechanism 4 includes two openings 403 formed on outer walls of two sides of the fixed insert 5, a fixing seat 405 is fixedly mounted on an inner wall of the fixed insert 5 corresponding to the openings 403, a transmission rod 401 is movably inserted in the fixing seat 405, and two turnover units contacting with soil are symmetrically disposed on two sides of the transmission rod 401; when the transmission rod 401 moves downwards, the two overturning plates 409 are driven to rotate simultaneously through the deflector 407, so that the two clamping plates 406 are respectively overturned and stretched out from the corresponding openings 403, the stabilizing effect of the fixed inserting rod 5 in the soil is ensured in the process that the two clamping plates 406 are overturned and stretched out from the openings 403, the soil around the fixed inserting rod 5 is pushed upwards through the clamping plates 406, the fixed inserting rod 5 continues to move downwards for a small distance, and the stability of the fixed inserting rod 5 in the soil is further improved.
Referring to fig. 2 and 3, the turnover unit includes a clamping plate 406 rotatably connected to the inner wall of the fixed insertion rod 5 through a pin 408, the bottom of the clamping plate 406 contacts with a fixed seat 405, a turnover plate 409 is fixedly mounted on the top of the clamping plate 406, a sliding slot 410 is provided on the front surface of the turnover plate 409, a driving lever 407 is fixedly mounted in the middle of the driving rod 401, the driving lever 407 is movably connected with the two sliding slots 410, and the size of the clamping plate 406 is smaller than that of the opening 403.
Referring to fig. 2 and 4, a baffle 411 is fixedly installed in the middle of the driving rod 401, a thrust spring is elastically provided between the baffle 411 and the fixed seat 405, a limiting plate 402 for guiding the driving rod 401 is fixedly provided on the inner wall of the fixed insert rod 5, the limiting plate 402 contacts with the baffle 411, a magnet 412 is fixedly installed at the bottom of the driving rod 401, and an iron plate 404 corresponding to the position of the magnet 412 is fixedly installed at the bottom of the inner wall of the fixed insert rod 5.
Referring to fig. 1 and 5, the above-mentioned material injection mechanism 3 includes a second piston 304 fixedly connected to the top end of a transmission rod 401, the second piston 304 is slidably connected to the inner wall of the fixed insert rod 5, a first piston 301 is slidably disposed on the inner wall of the fixed insert rod 5 above the second piston 304, a feeding hole 302 is formed on the side wall of the fixed insert rod 5 between the first piston 301 and the second piston 304, and a plurality of discharging holes 303 are formed on the inner wall of the fixed insert rod 5 below the second piston 304; the fixed inserted link 5 is inserted into the soil through external pushing equipment, the knob 7 is rotated, the first piston 301 is pushed by the threaded rod 1 to slowly move downwards, when the first piston 301 moves to the position below the feeding hole 302, the first piston 301 is continuously moved downwards, so that the air pressure in the area between the first piston 301 and the second piston 304 becomes large, the second piston 304 is pushed to move downwards, downward pushing force is provided for the transmission link 401, after the second piston 304 moves to the position below the plurality of discharging holes 303, the diluted soil curing agent is sprayed out from the plurality of discharging holes 303 firstly due to the air pressure influence in the area between the first piston 301 and the second piston 304, the soil around the fixed inserted link 5 is sprayed, after the air pressure is reduced, the diluted soil curing agent flows out from the position inside the plurality of discharging holes 303, the soil below the fixed inserted link 5 is soaked along the outer wall of the fixed inserted link 5, the condition that the soil around the fixed inserted link 5 is loose due to the fact that the soil is compressed is avoided, and the stability of the fixed inserted link 5 is improved.
Referring to fig. 5, the inner diameter of the feeding hole 302 is smaller than the thickness of the first piston 301.
Referring to fig. 1 and 5, a fixing block 6 is fixedly installed at the top of the cavity of the fixing insert rod 5, a threaded rod 1 is longitudinally screwed inside the fixing block 6, a knob 7 is fixedly installed at the top of the threaded rod 1, and the bottom of the threaded rod 1 is rotatably connected with the top of the first piston 301.
Referring to fig. 1, the outer walls of the two sides of the top of the fixed plug rod 5 are symmetrically provided with limiting hooks 2 for fixing two adjacent geocells.
Working principle: when the device is used, firstly, a certain amount of diluted soil stabilizer is injected into a region between the first piston 301 and the second piston 304 through an external pipeline, so that the liquid level of the diluted soil stabilizer is half of the distance between the first piston 301 and the second piston 304, through holes are formed in geocell units which are needed to be connected in two adjacent geocells, two limit hooks 2 on the fixed plug rod 5 are respectively clamped with the two through holes, the fixed plug rod 5 is inserted into soil through external pushing equipment, the knob 7 is rotated, the threaded rod 1 pushes the first piston 301 to slowly move downwards, when the first piston 301 moves to the position below the feed hole 302, the air pressure in the region between the first piston 301 and the second piston 304 is continuously moved downwards, so that the second piston 304 is pushed to move downwards, a downward pushing force is provided for the transmission rod 401, when the magnet block 412 is magnetically connected with the iron plate 404, the second piston 304 moves to the position below the plurality of the discharge holes 303, the first piston 301 is pushed by the external pushing equipment, the air pressure between the first piston 301 and the second piston 304 is pushed out of the fixed plug rod 5, the air pressure in the region is prevented from being compressed by the fixed plug rod 5, the air pressure is prevented from being sprayed out of the fixed plug rod 5, and the soil is prevented from being compressed and the surrounding the fixed plug rod 5, the soil is prevented from being compressed and the fixed, the soil is compressed and the soil is fixed and the soil is compressed and the soil is fixed in the soil 5 from the position outside the position of the surrounding soil 5; when the transmission rod 401 moves downwards, the two overturning plates 409 are driven to rotate simultaneously through the deflector 407, so that the two clamping plates 406 are respectively overturned and stretched out from the corresponding openings 403, the stabilizing effect of the fixed inserting rod 5 in the soil is ensured in the process that the two clamping plates 406 are overturned and stretched out from the openings 403, the soil around the fixed inserting rod 5 is pushed upwards through the clamping plates 406, the fixed inserting rod 5 continues to move downwards for a small distance, and the stability of the fixed inserting rod 5 in the soil is further improved.
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (6)
1. Limiting and fixing device for geocell, comprising a fixed inserted link (5), and characterized in that: the inside of the fixed inserted link (5) is provided with a cavity, the bottom of the cavity is provided with a fixing mechanism (4) for preventing the fixed inserted link (5) from separating from soil, and the middle part of the cavity is provided with a material injection mechanism (3) for improving the stability of soil; the fixing mechanism (4) comprises two openings (403) formed in the outer walls of two sides of the fixed inserted rod (5), a fixing seat (405) is fixedly arranged at the position, corresponding to the opening (403), of the inner wall of the fixed inserted rod (5), a transmission rod (401) is movably inserted into the fixing seat (405), and two overturning units in contact with soil are symmetrically arranged on two sides of the transmission rod (401).
2. The limiting and fixing device for the geocell according to claim 1, wherein the overturning unit comprises a clamping plate (406) rotationally connected with the inner wall of the fixed inserting rod (5), the bottom of the clamping plate (406) is in contact with the fixed seat (405), an overturning plate (409) which is obliquely arranged is fixedly arranged at the top of the clamping plate (406), a sliding groove (410) is formed in the front surface of the overturning plate (409), a deflector rod (407) is fixedly arranged in the middle of the transmission rod (401), the deflector rod (407) is movably connected with the two sliding grooves (410), and the size of the clamping plate (406) is smaller than that of the opening (403).
3. The limiting and fixing device for the geocell according to claim 1, wherein a baffle plate (411) is fixedly installed in the middle of the transmission rod (401), a thrust spring is elastically arranged between the baffle plate (411) and the fixing seat (405), a limiting plate (402) for guiding the transmission rod (401) is fixedly arranged on the inner wall of the fixed inserted rod (5), a magnet block (412) is fixedly installed at the bottom of the transmission rod (401), and an iron plate (404) corresponding to the position of the magnet block (412) is fixedly installed at the bottom of the inner wall of the fixed inserted rod (5).
4. The limiting and fixing device for the geocell according to claim 1, wherein the material injecting mechanism (3) comprises a second piston (304) fixedly connected with the top end of the transmission rod (401), the second piston (304) is slidably connected with the inner wall of the fixed inserting rod (5), a first piston (301) is slidably arranged on the inner wall of the fixed inserting rod (5) above the second piston (304), a feeding hole (302) is formed in the side wall of the fixed inserting rod (5) between the first piston (301) and the second piston (304), and a plurality of discharging holes (303) are formed in the inner wall of the fixed inserting rod (5) below the second piston (304).
5. A spacing and fixing device for geocells according to claim 4, characterized in that the inner diameter of the feed hole (302) is smaller than the thickness of the first piston (301).
6. The limiting and fixing device for the geocell according to claim 1, wherein a fixing block (6) is fixedly installed at the top of a cavity of the fixing insert rod (5), a threaded rod (1) is longitudinally connected inside the fixing block (6) in a threaded manner, a knob (7) is fixedly installed at the top of the threaded rod (1), and the bottom of the threaded rod (1) is rotatably connected with the top of the first piston (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310986203.1A CN116770805A (en) | 2023-08-07 | 2023-08-07 | Limiting and fixing device for geocell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310986203.1A CN116770805A (en) | 2023-08-07 | 2023-08-07 | Limiting and fixing device for geocell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116770805A true CN116770805A (en) | 2023-09-19 |
Family
ID=88013623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310986203.1A Pending CN116770805A (en) | 2023-08-07 | 2023-08-07 | Limiting and fixing device for geocell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116770805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117587838A (en) * | 2024-01-19 | 2024-02-23 | 湖南科技大学 | Expressway side slope supporting structure |
-
2023
- 2023-08-07 CN CN202310986203.1A patent/CN116770805A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117587838A (en) * | 2024-01-19 | 2024-02-23 | 湖南科技大学 | Expressway side slope supporting structure |
| CN117587838B (en) * | 2024-01-19 | 2024-03-19 | 湖南科技大学 | Expressway side slope supporting structure |
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