CN113605441A - Reinforced retaining wall and construction method - Google Patents
Reinforced retaining wall and construction method Download PDFInfo
- Publication number
- CN113605441A CN113605441A CN202110914806.1A CN202110914806A CN113605441A CN 113605441 A CN113605441 A CN 113605441A CN 202110914806 A CN202110914806 A CN 202110914806A CN 113605441 A CN113605441 A CN 113605441A
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- connecting column
- retaining wall
- wall body
- supporting rod
- hole
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
-
- 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
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
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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
- E02D29/16—Arrangement or construction of joints in foundation structures
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention belongs to the technical field of building engineering, and relates to a retaining wall and a construction method, in particular to a reinforced retaining wall and a construction method, wherein the reinforced retaining wall comprises a retaining wall body, and a connecting column through hole is arranged in the retaining wall body; the connecting column through hole is provided with a connecting column which moves along the axial direction of the connecting column through hole; a working window is arranged on the wall body of the retaining wall at the projection position of the wall body of the retaining wall along the through hole of the connecting column; the connecting column is exposed from the working window. The invention provides a reinforced retaining wall which is convenient to construct and high in safety degree and a construction method.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, relates to a retaining wall and a construction method, and particularly relates to a reinforced retaining wall and a construction method.
Background
With the development of economy, in the field of building engineering, retaining walls become a common mode in the construction process, especially the implementation of reinforced retaining walls, the completion time of the engineering is further reduced, and meanwhile, the reinforcing effect of the retaining walls is very obvious due to the reinforcement of the retaining walls. The technology is that the prestressed reinforcement of the main stress part is pulled to actively extrude the filler to form a compression area, the filler in the compression area is in a triaxial compressive stress state, thereby increasing the shearing strength of the filler, improving the internal stability of the retaining wall and reducing the deformation of the soil body. Compared with the common reinforced soil technology, the geotechnical reinforcing technology can further reduce the horizontal deformation and the vertical deformation of the retaining wall, can control and adjust the prestress level according to actual needs, can perform tensioning and tensioning in the construction process to reduce the prestress loss, and is particularly good in applicability to projects with high deformation control and appearance requirements. And traditional reinforced earth technique, reinforced material can passive play the constraint effect only when filler takes place to warp, and its constraint effect to filler is not so strong as unbonded prestressing tendons, and lateral deformation is often great, but it has with low costs, the simple advantage of construction, if combine the advantage between them, just have economy and suitable advantage concurrently. Traditional reinforced retaining wall adopts the mode of geogrid reinforced material, adopts and directly buries the panel with one section geogrid and inlays admittedly, utilizes the combination mode that the grid connective bar lengthens afterwards, and this kind of mode is because the difference of the physical and mechanical properties of geogrid and concrete two kinds of materials is great, and the reliability of the geogrid of pre-buried concrete connection still waits to further study and demonstrate, buries the grid during prefabrication simultaneously, and the construction process is more loaded down with trivial details. In addition, when different prefabricated members (including geogrids) are connected with each other, the stability of the prefabricated members or the overall strength of the formed reinforced retaining wall is easy to seep water from the joints or other potential safety hazards are easy to cause.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides the reinforced retaining wall which is convenient to construct and high in safety degree and the construction method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforced retaining wall is characterized in that: the reinforced retaining wall comprises a retaining wall body, and a connecting column through hole is formed in the retaining wall body; the connecting column through hole is provided with a connecting column which moves along the axial direction of the connecting column through hole; a working window is arranged on the wall body of the retaining wall at the projection position of the wall body of the retaining wall along the through hole of the connecting column; the connecting column is exposed from the working window.
The outer surface of the connecting column is provided with an external thread, an internal thread matched with the external thread is arranged along the inner surface of the through hole of the connecting column, and the connecting column is arranged in the through hole of the connecting column through a thread.
The length of the connecting column is not more than that of the through hole of the connecting column.
The bottom of the connecting column is conical.
The through holes of the connecting columns are arranged along the transverse direction or the longitudinal direction of the wall body of the retaining wall; the connecting column through holes are one or more, when the connecting column through holes are multiple, the connecting column through holes are parallel to each other, and the distance between every two adjacent connecting column through holes is equal.
A construction method for the reinforced retaining wall as described above, characterized in that: the construction method comprises the following steps:
1) prefabricating a retaining wall body, wherein a connecting column through hole with an internal thread is embedded in the retaining wall body, a connecting column with an external thread is arranged in the connecting column through hole, a working window is arranged on the retaining wall body along the connecting column through hole at the projection position of the retaining wall body, and the connecting column is exposed from the working window;
2) treating the foundation of the area to be constructed, cleaning the area to be constructed, and prefabricating a concrete seat at the bottom of the shear wall;
3) lowering a prefabricated first retaining wall body through a crane to connect the first retaining wall body with the concrete seat, simultaneously extending a connecting column screwing clamp into a working window of the first retaining wall body, screwing the connecting column exposed at the working window through the connecting column screwing clamp, and extending the connecting column from a through hole of the connecting column and into the concrete seat;
4) when the first retaining wall body and the concrete seat are completely solidified, concrete is adopted to seal the working window of the first retaining wall body;
5) lowering the prefabricated second retaining wall body by using a crane to enable the second retaining wall body to be in contact with the first retaining wall body, simultaneously extending the connecting column screwing clamp into a working window of the second retaining wall body, screwing the connecting column of the second retaining wall body exposed in the working window by using the connecting column screwing clamp, and enabling the connecting column of the second retaining wall body to extend out of the through hole of the connecting column of the second retaining wall body and extend into the top of the through hole of the connecting column of the first retaining wall body;
6) when the second retaining wall body is completely connected with the first retaining wall body, concrete is adopted to seal the working window of the second retaining wall body;
7) and 5) repeating the steps 5) to 6) until the construction operation of all the reinforced retaining walls in the area to be constructed is completed.
The connecting column screwing clamp comprises a supporting rod, a pushing ring, a limiting nut, a linkage rod, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are of tile-type structures and are oppositely arranged; the first clamping piece and the second clamping piece are movably arranged at the end part of the supporting rod through a pin shaft; the pushing ring is sleeved outside the supporting rod and freely moves along the axial direction of the supporting rod; the first clamping sheet and the second clamping sheet are respectively connected with the pushing ring through a linkage rod; the limiting nut is sleeved outside the supporting rod and is in threaded connection with the supporting rod; the pushing ring is arranged between the limiting nut and the first clamping piece; when the limiting nut is screwed, the limiting nut drives the first clamping sheet and the second clamping sheet to move relatively through the pushing ring and the linkage rod.
The connecting column screwing clamp also comprises a screwing handle connected with the supporting rod; the screwing handle and the first clamping piece are respectively arranged at two end parts of the supporting rod.
The utility model provides a spliced pole twist pincers which characterized in that: the connecting column screwing clamp comprises a supporting rod, a pushing ring, a limiting nut, a linkage rod, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are of tile-type structures and are oppositely arranged; the first clamping piece and the second clamping piece are movably arranged at the end part of the supporting rod through a pin shaft; the pushing ring is sleeved outside the supporting rod and freely moves along the axial direction of the supporting rod; the first clamping sheet and the second clamping sheet are respectively connected with the pushing ring through a linkage rod; the limiting nut is sleeved outside the supporting rod and is in threaded connection with the supporting rod; the pushing ring is arranged between the limiting nut and the first clamping piece; when the limiting nut is screwed, the limiting nut drives the first clamping sheet and the second clamping sheet to move relatively through the pushing ring and the linkage rod.
The connecting column screwing clamp also comprises a screwing handle connected with the supporting rod; the screwing handle and the first clamping piece are respectively arranged at two end parts of the supporting rod.
The invention has the advantages that:
the invention provides a reinforced retaining wall, which comprises a retaining wall body, wherein a connecting column through hole is formed in the retaining wall body; the connecting column through hole is provided with a connecting column which moves along the axial direction of the connecting column through hole; a working window is arranged on the wall body of the retaining wall at the projection position of the wall body of the retaining wall along the through hole of the connecting column; the connecting column is exposed from the working window. The connecting column extends out and is connected with other reinforced retaining walls, so that the construction period is shortened while the use is convenient, and meanwhile, the strength of the connecting column is higher than that of the reinforcing ribs or the geogrids, so that the hardness and the strength of the retaining wall can be enhanced by the method, and the use safety and reliability are further improved.
Drawings
Fig. 1 is a schematic structural view of a reinforced retaining wall provided by the present invention;
fig. 2 is a schematic sectional view of a reinforced retaining wall according to the present invention;
FIG. 3 is a schematic view of the construction of the joint stud twist plier employed in the present invention;
FIG. 4 is a reference drawing of the present invention employing a column twist wrench to twist the column;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
wherein:
1-a retaining wall body; 2-a working window; 3-connecting column through holes; 4-connecting a column; 5-screwing the handle; 6-a limit nut; 7-a push ring; 8-a support bar; 9-linkage rod; 10-a first clamping piece; 11-second clamping piece.
Detailed Description
Referring to fig. 1 and 2, the present invention provides a reinforced retaining wall, which includes a retaining wall body 1, wherein a connecting column through hole 3 is formed in the retaining wall body 1; the connecting column through hole 3 is provided with a connecting column 4 which moves along the axial direction of the connecting column through hole 3; a working window 2 is arranged on the wall body 1 of the retaining wall at the projection position of the wall body 1 of the retaining wall along the through hole 3 of the connecting column; the connecting column 4 is exposed from the working window 2. The reinforced retaining wall provided by the invention changes the traditional mode of reinforcing ribs which are staggered transversely and longitudinally in the retaining wall, and further adopts the mode of the connecting column through holes 3 and the connecting columns 4 arranged in the connecting column through holes 3, when in use, the connecting columns 4 extend out and are connected with other reinforced retaining walls, the construction period is shortened while the use is convenient, and simultaneously, the strength of the connecting columns 4 is greater than that of the reinforcing ribs or geogrids, so the mode can also enhance the hardness and strength of the retaining wall, and the use safety and reliability are further increased.
In order to facilitate the connecting column 4 to extend out of the connecting column through hole 3, the outer surface of the connecting column 4 is provided with external threads, internal threads matched with the external threads are arranged along the inner surface of the connecting column through hole 3, and the connecting column 4 is arranged in the connecting column through hole 3 through threads. The connecting column 4 can be extended out of the connecting column through hole 3 by rotating the connecting column 4, and the use is very convenient. The length of the connecting column 4 is not more than that of the connecting column through hole 3. In general, in order to secure the connection reliability of the retaining wall, the length of the connection column 4 is the same as that of the connection column penetration hole 3. In order to ensure that the connecting column 4 of the first reinforced retaining wall and the through hole 3 of the connecting column of the second reinforced retaining wall are quickly aligned and can accurately extend into the through holes, the bottom of the connecting column 4 is conical.
The through holes 3 of the connecting columns are arranged along the transverse direction or the longitudinal direction of the wall body 1 of the retaining wall; the number of the connecting column through holes 3 is one or more, when the number of the connecting column through holes 3 is multiple, the connecting column through holes 3 are parallel to each other, and the distance between two adjacent connecting column through holes 3 is equal.
The invention provides a construction method for the reinforced retaining wall while providing the reinforced retaining wall, which comprises the following steps:
1) prefabricating a retaining wall body 1, wherein a connecting column through hole 3 with internal threads is embedded in the retaining wall body 1, a connecting column 4 with external threads is arranged in the connecting column through hole 3, a working window 2 is arranged on the retaining wall body 1 along the connecting column through hole 3 at the projection position of the retaining wall body 1, and the connecting column 4 is exposed from the working window 2;
2) treating the foundation of the area to be constructed, cleaning the area to be constructed, and prefabricating a concrete seat at the bottom of the shear wall;
3) lowering a prefabricated first retaining wall body 1 through a crane to connect the first retaining wall body 1 with a concrete seat, simultaneously extending a pipe wrench or a connecting column screwing wrench into a working window 2 of the first retaining wall body 1 (see fig. 4 and 5), and screwing a connecting column 4 exposed in the working window 2 through the connecting column screwing wrench to extend the connecting column 4 from a connecting column through hole 3 and into the concrete seat;
4) when the first retaining wall body 1 and the concrete seat are completely solidified, concrete is adopted to seal the working window 2 of the first retaining wall body 1;
5) lowering the prefabricated second block retaining wall body 1 by a crane, enabling the second block retaining wall body 1 to be in contact with the first block retaining wall body 1, simultaneously extending the connecting column screwing tongs into a working window 2 of the second block retaining wall body 1, screwing the connecting column 4 (see fig. 4 and 5) of the second block retaining wall body 1 exposed in the working window 2 by using a pipe wrench or the connecting column screwing tongs, and enabling the connecting column 4 of the second block retaining wall body 1 to extend out of the connecting column through hole 3 of the second block retaining wall body 1 and extend into the top of the connecting column through hole 3 of the first block retaining wall body 1;
6) when the second retaining wall body 1 is completely connected with the first retaining wall body 1, the working window 2 of the second retaining wall body 1 is sealed by concrete;
7) and 5) repeating the steps 5) to 6) until the construction operation of all the reinforced retaining walls in the area to be constructed is completed.
In order to be able to extend the connecting column 4 out of the connecting column through-hole 3, the invention also provides a special screwing tool, i.e. a connecting column screwing pliers. Referring to fig. 3, the connecting column screwing clamp provided by the invention comprises a supporting rod 8, a pushing ring 7, a limiting nut 6, a linkage rod 9, a first clamping piece 10, a second clamping piece 11, a first clamping piece 10 and a second clamping piece 11, wherein the first clamping piece 10 and the second clamping piece 11 are tile-shaped structures and are arranged oppositely; the first clamping piece 10 and the second clamping piece 11 are movably arranged at the end part of the supporting rod 8 through a pin shaft; the pushing ring 7 is sleeved outside the support rod 8 and freely moves along the axial direction of the support rod 8; the first clamping sheet 10 and the second clamping sheet 11 are respectively connected with the pushing ring 7 through a linkage rod 9; the limiting nut 6 is sleeved outside the supporting rod 8 and is in threaded connection with the supporting rod 8; the pushing ring 7 is arranged between the limiting nut 6 and the first clamping piece 10; when the limiting nut 6 is screwed, the limiting nut 6 drives the first clamping piece 10 and the second clamping piece 11 to move relatively through the pushing ring 7 and the linkage rod 9. Drive through stop nut 6 and push ring 7 and trace 9, make the interval between first centre gripping piece 10 and the second centre gripping piece 11 change, when first centre gripping piece 10 and second centre gripping piece 11 are close to (clockwise twisting moves stop nut 6), press from both sides tight spliced pole 4 gradually, rotate bracing piece 8, make spliced pole 4 stretch out from spliced pole through hole 3. When the first clamping piece 10 and the second clamping piece 11 are far away from each other (the limit nut 6 is screwed anticlockwise), the connecting column 4 is gradually loosened, and finally the connecting column is taken out from the working window 2.
In order to facilitate holding, the screwing clamp for the connecting column further comprises a screwing handle 5 connected with the supporting rod 8; the screwing handle 5 and the first clamping piece 10 are respectively arranged at two ends of the supporting rod 8. The handle 5 is screwed through rotation, so that the support rod 8 is convenient to operate and very convenient to use. Meanwhile, the anti-skidding threads are arranged on the twisting handle 5, so that the hand skidding during twisting is avoided.
Claims (10)
1. A reinforced retaining wall is characterized in that: the reinforced retaining wall comprises a retaining wall body (1), and a connecting column through hole (3) is formed in the retaining wall body (1); the connecting column through hole (3) is provided with a connecting column (4) which moves along the axial direction of the connecting column through hole (3); a working window (2) is arranged on the retaining wall body (1) along the through hole (3) of the connecting column at the projection position of the retaining wall body (1); the connecting column (4) is exposed from the working window (2).
2. A reinforced retaining wall according to claim 1, wherein: the outer surface of the connecting column (4) is provided with external threads, internal threads matched with the external threads are arranged on the inner surface of the connecting column through hole (3), and the connecting column (4) is arranged in the connecting column through hole (3) through threads.
3. A reinforced retaining wall according to claim 2, wherein: the length of the connecting column (4) is not more than that of the connecting column through hole (3).
4. A reinforced retaining wall according to claim 3, wherein: the bottom of the connecting column (4) is conical.
5. A reinforced retaining wall according to any one of claims 1 to 4, wherein: the connecting column through holes (3) are arranged along the transverse direction or the longitudinal direction of the retaining wall body (1); the connecting column through holes (3) are one or more, when the connecting column through holes (3) are multiple, the connecting column through holes (3) are parallel to each other, and the distance between every two adjacent connecting column through holes (3) is equal.
6. A construction method for the reinforced retaining wall according to claim 5, characterized in that: the construction method comprises the following steps:
1) prefabricating a retaining wall body (1), wherein a connecting column through hole (3) with an internal thread is embedded in the retaining wall body (1), a connecting column (4) with an external thread is arranged in the connecting column through hole (3), a working window (2) is arranged on the retaining wall body (1) along the connecting column through hole (3) at the projection position of the retaining wall body (1), and the connecting column (4) is exposed from the working window (2);
2) treating the foundation of the area to be constructed, cleaning the area to be constructed, and prefabricating a concrete seat at the bottom of the shear wall;
3) a prefabricated first retaining wall body (1) is lowered through a crane, the first retaining wall body (1) is connected with a concrete seat, meanwhile, a connecting column screwing clamp extends into a working window (2) of the first retaining wall body (1), a connecting column (4) exposed in the working window (2) is screwed through the connecting column screwing clamp, and the connecting column (4) extends out of a connecting column through hole (3) and extends into the concrete seat;
4) when the first retaining wall body (1) and the concrete seat are completely solidified, concrete is adopted to seal the working window (2) of the first retaining wall body (1);
5) lowering a prefabricated second retaining wall body (1) through a crane, enabling the second retaining wall body (1) to be in contact with the first retaining wall body (1), simultaneously extending a connecting column screwing clamp into a working window (2) of the second retaining wall body (1), screwing a connecting column (4) of the second retaining wall body (1) exposed in the working window (2) through the connecting column screwing clamp, and enabling the connecting column (4) of the second retaining wall body (1) to extend out of a connecting column (3) of the second retaining wall body (1) and extend into the top of the connecting column through hole (3) of the first retaining wall body (1);
6) when the second retaining wall body (1) is completely connected with the first retaining wall body (1), sealing a working window (2) of the second retaining wall body (1) by adopting concrete;
7) and 5) repeating the steps 5) to 6) until the construction operation of all the reinforced retaining walls in the area to be constructed is completed.
7. The method of claim 6, wherein: the connecting column twisting clamp comprises a supporting rod (8), a pushing ring (7), a limiting nut (6), a linkage rod (9), a first clamping sheet (10), a second clamping sheet (11), and a first clamping sheet (10) and a second clamping sheet (11) which are all tile-shaped structures and are oppositely arranged; the first clamping piece (10) and the second clamping piece (11) are movably arranged at the end part of the supporting rod (8) through a pin shaft; the pushing ring (7) is sleeved outside the supporting rod (8) and freely moves along the axial direction of the supporting rod (8); the first clamping sheet (10) and the second clamping sheet (11) are respectively connected with the pushing ring (7) through a linkage rod (9); the limiting nut (6) is sleeved outside the supporting rod (8) and is in threaded connection with the supporting rod (8); the pushing ring (7) is arranged between the limiting nut (6) and the first clamping piece (10); when the limiting nut (6) is screwed, the limiting nut (6) drives the first clamping sheet (10) and the second clamping sheet (11) to move relatively through the pushing ring (7) and the linkage rod (9).
8. The method of claim 7, wherein: the connecting column screwing clamp also comprises a screwing handle (5) connected with the supporting rod (8); the screwing handle (5) and the first clamping piece (10) are respectively arranged at two ends of the supporting rod (8).
9. A joint column screwing pliers for use in the construction of the reinforced retaining wall according to claim 5, characterized in that: the connecting column twisting clamp comprises a supporting rod (8), a pushing ring (7), a limiting nut (6), a linkage rod (9), a first clamping sheet (10), a second clamping sheet (11), and a first clamping sheet (10) and a second clamping sheet (11) which are all tile-shaped structures and are oppositely arranged; the first clamping piece (10) and the second clamping piece (11) are movably arranged at the end part of the supporting rod (8) through a pin shaft; the pushing ring (7) is sleeved outside the supporting rod (8) and freely moves along the axial direction of the supporting rod (8); the first clamping sheet (10) and the second clamping sheet (11) are respectively connected with the pushing ring (7) through a linkage rod (9); the limiting nut (6) is sleeved outside the supporting rod (8) and is in threaded connection with the supporting rod (8); the pushing ring (7) is arranged between the limiting nut (6) and the first clamping piece (10); when the limiting nut (6) is screwed, the limiting nut (6) drives the first clamping sheet (10) and the second clamping sheet (11) to move relatively through the pushing ring (7) and the linkage rod (9).
10. The joint stud twisting pliers of claim 9, wherein: the connecting column screwing clamp also comprises a screwing handle (5) connected with the supporting rod (8); the screwing handle (5) and the first clamping piece (10) are respectively arranged at two ends of the supporting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914806.1A CN113605441B (en) | 2021-08-10 | 2021-08-10 | Reinforced retaining wall and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914806.1A CN113605441B (en) | 2021-08-10 | 2021-08-10 | Reinforced retaining wall and construction method |
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| Publication Number | Publication Date |
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| CN113605441A true CN113605441A (en) | 2021-11-05 |
| CN113605441B CN113605441B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110914806.1A Active CN113605441B (en) | 2021-08-10 | 2021-08-10 | Reinforced retaining wall and construction method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402435B1 (en) * | 1999-12-29 | 2002-06-11 | Cyrrus Gregory Lewis | Pre-stressed modular retaining wall system and method |
| TW200724753A (en) * | 2005-12-27 | 2007-07-01 | Yu-Lun Peng | Structure of assembled preload retaining wall |
| CN203831300U (en) * | 2014-04-16 | 2014-09-17 | 力帆实业(集团)股份有限公司 | Three-jaw calipers clamping device |
| CN204875847U (en) * | 2015-08-17 | 2015-12-16 | 黑龙江省中信路桥材料有限公司 | Prefabricated assembled retaining wall |
| CN109898550A (en) * | 2019-03-15 | 2019-06-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode |
| CN209681981U (en) * | 2018-11-08 | 2019-11-26 | 徐州市力王工具有限公司 | Locking pliers for pipeline |
| CN111519655A (en) * | 2020-05-28 | 2020-08-11 | 张延年 | Assembled prestressing force retaining wall |
-
2021
- 2021-08-10 CN CN202110914806.1A patent/CN113605441B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402435B1 (en) * | 1999-12-29 | 2002-06-11 | Cyrrus Gregory Lewis | Pre-stressed modular retaining wall system and method |
| TW200724753A (en) * | 2005-12-27 | 2007-07-01 | Yu-Lun Peng | Structure of assembled preload retaining wall |
| CN203831300U (en) * | 2014-04-16 | 2014-09-17 | 力帆实业(集团)股份有限公司 | Three-jaw calipers clamping device |
| CN204875847U (en) * | 2015-08-17 | 2015-12-16 | 黑龙江省中信路桥材料有限公司 | Prefabricated assembled retaining wall |
| CN209681981U (en) * | 2018-11-08 | 2019-11-26 | 徐州市力王工具有限公司 | Locking pliers for pipeline |
| CN109898550A (en) * | 2019-03-15 | 2019-06-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode |
| CN111519655A (en) * | 2020-05-28 | 2020-08-11 | 张延年 | Assembled prestressing force retaining wall |
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| Publication number | Publication date |
|---|---|
| CN113605441B (en) | 2022-10-04 |
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