CN115125993A - Assembled retaining wall and construction method - Google Patents
Assembled retaining wall and construction method Download PDFInfo
- Publication number
- CN115125993A CN115125993A CN202210900668.6A CN202210900668A CN115125993A CN 115125993 A CN115125993 A CN 115125993A CN 202210900668 A CN202210900668 A CN 202210900668A CN 115125993 A CN115125993 A CN 115125993A
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- main body
- tail wing
- retaining
- soil
- retaining wall
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000002689 soil Substances 0.000 claims abstract description 62
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 239000010426 asphalt Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000005056 compaction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological 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)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses an assembled retaining wall and a construction method thereof, wherein the assembled retaining wall comprises a plurality of T-shaped structures which are arranged side by side, an expansion joint is arranged between every two adjacent T-shaped structures, and asphalt reinforcement is filled in the expansion joint; each T-shaped structure comprises a soil retaining panel, a side plate member, a tail wing plate member, a plurality of side clamping plates and a plurality of high-strength bolts, and the expansion joint is positioned between two adjacent soil retaining panels; the side plate component and the rear side of the retaining panel and the rear sides of the tail wing plate component and the side plate component are connected through side clamping plates and high-strength bolts. The invention adopts the T-shaped structure, has the characteristics of good retaining effect, simple structure and stable structure, and after the earth body is backfilled, the lateral pressure generated by filled earth can be applied to the retaining wall panel, and at the moment, the lateral pressure and the friction force generated by filled earth can be applied to the two sides of the lateral plate component and the tail wing plate component, so that the lateral pressure of the retaining wall panel is balanced, the sliding and the overturning of the retaining wall are prevented, and the purpose of retaining earth is achieved.
Description
Technical Field
The invention relates to the technical field of retaining walls, in particular to an assembled retaining wall and a construction method.
Background
With the high-speed development of the field of building infrastructures in China, the requirements on supporting and retaining structures are increasing day by day. The retaining wall is a structure for supporting roadbed filling soil or hillside soil body and preventing the filling soil or the soil body from deforming and destabilizing, and is mainly used for supporting a road embankment or a cutting slope, a bridge abutment, a tunnel portal and a river bank so as to prevent the rock and soil body from deforming excessively to cause sliding damage. Retaining wall is by fields such as more and more applied highway, railway, municipal administration, water conservancy as a retaining structure. The gravity type retaining wall is used for resisting the lateral pressure of a soil body by means of the self weight of a wall body, can be built by stones or concrete, is generally made into a simple trapezoid, and is widely applied to projects such as railways, highways, water conservancy projects, harbors, mines and the like in China.
In application practice, some problems of the gravity retaining wall are also shown, the traditional retaining forms such as the masonry retaining wall, the masonry protection slope and the cast-in-place concrete retaining wall cannot meet new requirements, the gravity retaining wall is balanced and stable by self weight, the size and the weight are large, the construction on a weak foundation is often limited by bearing capacity, if the wall is too high, the gravity retaining wall consumes more materials and is not economical, and the on-site precast concrete is difficult to implement in a high and cold area.
Present light-duty assembled retaining wall more and more receives design technical staff's attention, and the light-duty retaining wall of assembled is one kind and prefabricates into single structure thing then the retaining wall of assembling in the field of reproduction outside mill or job site in advance, and assembled retaining wall has a great deal of advantage compared in traditional gravity type retaining wall, but it still is not enough to prop up retaining capacity contrast lifting force type retaining wall.
Therefore, it is an urgent need to solve the problems of the art to provide an assembled retaining wall with high retaining capability and a construction method thereof.
Disclosure of Invention
In view of the above, the invention provides an assembled retaining wall and a construction method thereof, and the assembled retaining wall has the advantages of stable structure, good retaining effect and simple construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an assembled retaining wall, includes a plurality of T type structures of arranging side by side, and adjacent two have the expansion joint between T type structure it has the pitch reinforcement in the expansion joint.
By adopting the technical scheme, the invention has the beneficial effects that:
the T-shaped structure is adopted, and the device has the characteristics of good supporting and retaining effects, simple structure and stable structure.
Furthermore, each T-shaped structure comprises a soil retaining panel, a side plate member, a tail wing plate member, a plurality of side clamping plates and a plurality of high-strength bolts, and the expansion joint is positioned between two adjacent soil retaining panels; the side plate component and the rear side of the retaining panel and the rear side of the tail wing plate component and the side plate component are connected through the side clamping plate and the high-strength bolt.
The beneficial effect that adopts above-mentioned further technical scheme to produce is, after the soil body is backfilled, can receive the lateral pressure that the filled soil produced on the fender panel, and lateral pressure and the frictional force that the curb plate component and the tail wing board component both sides also can receive the filled soil produced this moment to balanced the lateral pressure of fender panel prevents the slip and the toppling of retaining wall, reaches the purpose of retaining soil.
Further, the side plate member comprises a side plate main body, a plurality of wedge-shaped ribs and a first bottom plate, and the side plate main body is connected with the rear side of the soil retaining panel through the side clamping plate and the high-strength bolt; the wedge-shaped ribs are symmetrically arranged on two sides of the side plate main body respectively; the first bottom plate is arranged at the bottom of the side plate main body.
Adopt the beneficial effect that above-mentioned further technical scheme produced to be, but the frictional force of wedge rib greatly increased curb plate main part strengthens anti stability of sliding, and first bottom plate can increase curb plate main part lifting surface area, reduces basement pressure, requires greatly reduced to the ground bearing capacity, and in addition, the first bottom plate is covered the fill soil and is helped increasing retaining wall's antidumping ability still.
Further, the tail wing plate component comprises a tail wing plate main body and a second bottom plate, and the tail wing plate main body is connected with the rear side of the side plate main body through the side clamping plate and the high-strength bolt; the second bottom plate is arranged at the bottom of the tail wing plate main body.
Adopt the beneficial effect that above-mentioned further technical scheme produced to be, the second bottom plate can increase tail pterygoid lamina main part lifting surface area, reduces basement pressure, requires greatly reduced to the ground bearing capacity, in addition, the second bottom plate is covered the filling and is helped increasing retaining wall's antidumping ability in addition.
Furthermore, the soil retaining panel is provided with a drain hole, and the rear side of the soil retaining panel is provided with a reversed filtering layer.
The construction method of the fabricated retaining wall comprises the following steps:
cleaning a field, leveling and compacting, measuring paying-off, arranging the position of a retaining wall, well performing earth surface water prevention and drainage work, and reserving construction spaces with corresponding sizes;
step two, prefabricating a soil retaining panel, a side plate main body and a tail wing plate main body by adopting reinforced concrete, arranging wedge-shaped ribs on two sides and arranging a first bottom plate at the bottom of the side plate main body when prefabricating the side plate main body to form a side plate member, arranging a second bottom plate at the bottom of the tail wing plate main body when prefabricating the tail wing plate main body to form a tail wing plate member, and reserving bolt holes on the soil retaining panel, the side plate main body and the tail wing plate main body;
when assembling on site, firstly, hoisting the soil retaining panels to be placed at corresponding positions, reserving an expansion joint of 2cm between two adjacent soil retaining panels, and filling asphalt reinforcement in the expansion joint; then, sequentially placing a side plate component and a tail wing plate component, wherein the soil retaining panel, the side plate component and the tail wing plate component are arranged in a T shape; then connecting the soil retaining panel, the side plate member and the tail wing plate member by adopting the side clamping plates and the high-strength bolts, and finally coating antirust paint on the side clamping plates and the high-strength bolts;
and step four, backfilling the soil body in layers, wherein the soil body is improved soil or coarse-grained soil, a reverse filtering layer is arranged on the rear side of the soil retaining panel during backfilling, the backfilled soil body is paved and rolled compactly in layers, two sides of the side plate component are compacted simultaneously during rolling, and a hand-held vibratory roller is adopted for rolling at the corner and the positions close to the soil retaining panel and the side plate component.
By adopting the technical scheme, the invention has the beneficial effects that:
the prefabricated forming is carried out, the splicing is carried out on site, and the construction is simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of a fabricated retaining wall according to the present invention;
FIG. 2 is a schematic structural view of a retaining panel according to the present invention;
FIG. 3 is a schematic structural view of a side panel member according to the present invention;
FIG. 4 is a schematic structural view of a tail panel member provided in accordance with the present invention;
fig. 5 is a schematic structural view of a side clamping plate provided by the invention.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the invention discloses an assembled retaining wall, which includes a plurality of T-shaped structures 1 arranged side by side, an expansion joint 2 is arranged between two adjacent T-shaped structures 1, and asphalt reinforcement is filled in the expansion joint 2. The invention adopts the T-shaped structure 1, and has the characteristics of good retaining effect, simple structure and stable structure.
Specifically, each T-shaped structure 1 comprises a retaining panel 11, a side plate member 12, a tail wing plate member 13, a plurality of side clamping plates 14 and a plurality of high-strength bolts 15, and the expansion joint 2 is located between two adjacent retaining panels 11; the side plate component 12 and the rear side of the retaining panel 11 and the rear sides of the tail wing plate component 13 and the side plate component 12 are connected through a side clamping plate 14 and a high-strength bolt 15, the tail wing plate component 13 is arranged on the rear side of the side plate component 12, the stability of the structure is improved, after soil body backfilling, the retaining panel 11 can be subjected to lateral pressure generated by soil filling, at the moment, the two sides of the side plate component 12 and the tail wing plate component 13 can also be subjected to lateral pressure and friction force generated by soil filling, so that the lateral pressure of the retaining panel 11 is balanced, sliding and overturning of a retaining wall are prevented, and the purpose of retaining soil is achieved.
Specifically, the side plate member 12 includes a side plate body 121, a plurality of wedge ribs 122 and a first bottom plate 123, the side plate body 121 is connected to the rear side of the retaining panel 11 through a side clamping plate 14 and high-strength bolts 15, wherein the side clamping plate 14 is placed on both sides of the connection between the side plate body 121 and the retaining panel 11, the high-strength bolts 15 are screwed on one side of the side clamping plate 14 and the side plate body 121, and the high-strength bolts 15 are screwed on the other side of the side clamping plate 14 and the retaining panel 11; the plurality of wedge-shaped ribs 122 are symmetrically arranged on two sides of the side plate main body 121 respectively, the wedge-shaped ribs 122 and the side plate main body 121 are prefabricated and formed, the wedge-shaped ribs 122 can greatly increase the friction force of the side plate main body 121, and the anti-slip stability is enhanced; first bottom plate 123 sets up in the bottom of curb plate main part 121, and first bottom plate 123 and curb plate main part 121 prefabricated molding, first bottom plate 123 can increase curb plate main part 121 lifting surface area, reduce basement pressure, require greatly reduced to the ground bearing capacity, in addition, fill out soil on first bottom plate 123 and be favorable to increasing retaining wall's antidumping ability.
Specifically, the tail wing plate member 13 includes a tail wing plate main body 131 and a second bottom plate 132, the tail wing plate main body 131 is connected with the rear side of the side plate main body 121 through a side clamping plate 14 and a high-strength bolt 15, wherein the side clamping plate 14 is placed on both sides of the connection between the side plate main body 121 and the tail wing plate main body 131, a plurality of high-strength bolts 15 are screwed on one side of the side clamping plate 14 and the side plate main body 121, and a plurality of high-strength bolts 15 are screwed on the other side of the side clamping plate 14 and the tail wing plate main body 131; the second bottom plate 132 is arranged at the bottom of the tail wing plate main body 131, the second bottom plate 132 and the tail wing plate main body 131 are prefabricated and formed, the stress area of the tail wing plate main body 131 can be increased through the second bottom plate 132, the base pressure is reduced, the requirement on the bearing capacity of a foundation is greatly reduced, and in addition, the soil filling on the second bottom plate 132 is also beneficial to increasing the anti-overturning capacity of the retaining wall.
Specifically, the retaining wall panel 11 has the drain holes 111, and the back side of the retaining wall panel 11 is provided with the inverted filter 3.
It is worth mentioning that the retaining wall may be provided as a multistage stacking type retaining wall when the filling height is large.
The embodiment of the invention also discloses a construction method of the assembled retaining wall, which comprises the following steps:
cleaning a field, leveling and compacting, measuring paying-off, arranging the position of a retaining wall, well performing earth surface water prevention and drainage work, and reserving construction spaces with corresponding sizes;
step two, prefabricating the soil retaining panel 11, the side plate main body 121 and the tail wing plate main body 131 by using reinforced concrete, arranging wedge-shaped ribs 122 on two sides and arranging a first bottom plate 123 at the bottom when the side plate main body 121 is prefabricated to form a side plate member 12, arranging a second bottom plate 132 at the bottom when the tail wing plate main body 131 is prefabricated to form a tail wing plate member 13, and reserving bolt holes on the soil retaining panel 11, the side plate main body 121 and the tail wing plate main body 131;
when assembling on site, firstly, the soil retaining panels 11 are lifted and placed at corresponding positions, a 2cm expansion joint 2 is reserved between two adjacent soil retaining panels 11, and asphalt reinforcement is filled in the expansion joint 2; then, the side plate members 12 and the tail wing plate members 13 are sequentially placed, and the soil retaining panel 11, the side plate members 12 and the tail wing plate members 13 are arranged in a T shape; then, connecting the retaining panel 11, the side plate member 12 and the tail wing plate member 13 by adopting a side clamping plate 14 and a high-strength bolt 15, and finally coating antirust paint on the side clamping plate 14 and the high-strength bolt 15;
and step four, backfilling the soil body in layers, wherein the soil body is improved soil or coarse-grained soil, a reverse filtering layer 3 is arranged on the rear side of the soil retaining panel 11 during backfilling, the backfilled soil body is paved and rolled compactly in layers, two sides of the side plate member 12 are compacted simultaneously during rolling, the rolling is mainly mechanical compaction and manually assisted, and hand-held vibrating rollers are adopted at corners and positions close to the soil retaining panel 11 and the side plate member 12 for rolling, so that the wall body is prevented from being damaged by compaction machinery.
The invention has the advantages of prefabricating and forming, on-site splicing, simple construction and shortened construction period.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides an assembled retaining wall, its characterized in that includes a plurality of T type structures of arranging side by side, and adjacent two have the expansion joint between T type structure it has the pitch reinforcement in the expansion joint.
2. An assembled retaining wall according to claim 1, wherein each of the T-shaped structures comprises a retaining wall panel, a side plate member, a tail wing plate member, a plurality of side clamping plates and a plurality of high-strength bolts, and the expansion joint is located between two adjacent retaining wall panels; the side plate component and the rear side of the retaining panel and the rear side of the tail wing plate component and the side plate component are connected through the side clamping plate and the high-strength bolt.
3. An assembled retaining wall according to claim 2, wherein the skirt member comprises a skirt main body, a plurality of wedge ribs and a first bottom plate, the skirt main body being connected to the rear side of the retaining face plate through the skirt plate and the high-strength bolt; the wedge-shaped ribs are symmetrically arranged on two sides of the side plate main body respectively; the first bottom plate is arranged at the bottom of the side plate main body.
4. An assembled retaining wall as claimed in claim 3, wherein the tail wing plate member includes a tail wing plate main body and a second base plate, the tail wing plate main body is connected to the rear side of the side plate main body through the side clamping plate and the high-strength bolt; the second bottom plate is arranged at the bottom of the tail wing plate main body.
5. A fabricated retaining wall according to claim 4, characterized in that the retaining panel has drainage holes and the rear side of the retaining panel is provided with a back filter.
6. A construction method of an assembled retaining wall according to claim 5, comprising the steps of:
cleaning a field, leveling and compacting, measuring paying-off, arranging the position of a retaining wall, well performing earth surface water prevention and drainage work, and reserving construction spaces with corresponding sizes;
step two, prefabricating a soil retaining panel, a side plate main body and a tail wing plate main body by adopting reinforced concrete, arranging wedge-shaped ribs on two sides and arranging a first bottom plate at the bottom of the side plate main body when prefabricating the side plate main body to form a side plate member, arranging a second bottom plate at the bottom of the tail wing plate main body when prefabricating the tail wing plate main body to form a tail wing plate member, and reserving bolt holes on the soil retaining panel, the side plate main body and the tail wing plate main body;
when assembling on site, firstly, hoisting the soil retaining panels to be placed at corresponding positions, reserving an expansion joint of 2cm between two adjacent soil retaining panels, and filling asphalt reinforcement in the expansion joint; sequentially placing a side plate component and a tail wing plate component, wherein the soil retaining panel, the side plate component and the tail wing plate component are arranged in a T shape; then connecting the soil retaining panel, the side plate member and the tail wing plate member by adopting the side clamping plates and the high-strength bolts, and finally coating antirust paint on the side clamping plates and the high-strength bolts;
and step four, backfilling the soil body in layers, wherein the soil body is improved soil or coarse-grained soil, a reverse filtering layer is arranged on the rear side of the soil retaining panel during backfilling, the backfilled soil body is paved and rolled compactly in layers, two sides of the side plate component are compacted simultaneously during rolling, and a hand-held vibratory roller is adopted for rolling at the corner and the positions close to the soil retaining panel and the side plate component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210900668.6A CN115125993B (en) | 2022-07-28 | 2022-07-28 | Assembled retaining wall and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210900668.6A CN115125993B (en) | 2022-07-28 | 2022-07-28 | Assembled retaining wall and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115125993A true CN115125993A (en) | 2022-09-30 |
| CN115125993B CN115125993B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210900668.6A Active CN115125993B (en) | 2022-07-28 | 2022-07-28 | Assembled retaining wall and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN115125993B (en) |
Citations (7)
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|---|---|---|---|---|
| KR200354766Y1 (en) * | 2004-03-16 | 2004-06-30 | 주식회사 피아이에이 | Retaining wall block |
| US20060104725A1 (en) * | 2004-11-17 | 2006-05-18 | The Neel Company | Retaining wall construction element |
| KR20120000391A (en) * | 2010-06-25 | 2012-01-02 | 김광숙 | Retaining wall and block having inclined plate for retaining wall |
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| CN109898551A (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 using bolt block connection type |
| CN111794269A (en) * | 2020-07-28 | 2020-10-20 | 中国铁路设计集团有限公司 | Prefabricated pin-connected panel cantilever retaining wall |
| CN213143117U (en) * | 2020-05-28 | 2021-05-07 | 中铁第一勘察设计院集团有限公司 | Assembled keyway basis retaining wall structure |
-
2022
- 2022-07-28 CN CN202210900668.6A patent/CN115125993B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200354766Y1 (en) * | 2004-03-16 | 2004-06-30 | 주식회사 피아이에이 | Retaining wall block |
| US20060104725A1 (en) * | 2004-11-17 | 2006-05-18 | The Neel Company | Retaining wall construction element |
| KR20120000391A (en) * | 2010-06-25 | 2012-01-02 | 김광숙 | Retaining wall and block having inclined plate for retaining wall |
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| CN213143117U (en) * | 2020-05-28 | 2021-05-07 | 中铁第一勘察设计院集团有限公司 | Assembled keyway basis retaining wall structure |
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Non-Patent Citations (1)
| Title |
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| 王兆军, 范光亚: "全拼装连拱支架式挡土墙的设计与应用", 中国农村水利水电, no. 09, pages 25 - 27 * |
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| Publication number | Publication date |
|---|---|
| CN115125993B (en) | 2024-02-09 |
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