CN111364504A - Assembled precast concrete retaining wall - Google Patents
Assembled precast concrete retaining wall Download PDFInfo
- Publication number
- CN111364504A CN111364504A CN202010320077.2A CN202010320077A CN111364504A CN 111364504 A CN111364504 A CN 111364504A CN 202010320077 A CN202010320077 A CN 202010320077A CN 111364504 A CN111364504 A CN 111364504A
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- China
- Prior art keywords
- retaining wall
- bottom plate
- wall body
- hole
- precast concrete
- 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.)
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 3
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 electricity Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood 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
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)
- Retaining Walls (AREA)
Abstract
The invention belongs to the technical field of building construction, and relates to an assembled precast concrete retaining wall. This assembled precast concrete retaining wall has explored the new thinking of prefabricated assembled retaining wall design and construction, through retaining wall body and bottom plate separately prefabricated, on-the-spot equipment, the maximum retaining height of retaining wall can improve about 5m, has increased assembled retaining wall's application scope. Meanwhile, multiple rows of cavities are arranged in the wall body and the bottom plate of the retaining wall respectively, so that the using amount of concrete is saved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a design of an assembled prefabricated reinforced concrete retaining wall and a construction and installation method thereof.
Background
The reinforced concrete cantilever type retaining wall has wide application in various projects such as water conservancy projects, water transportation projects, municipal works and the like. The traditional construction mode of the reinforced concrete retaining wall adopts cast-in-place, the construction period is long, main construction procedures from formwork erection and reinforcement to concrete pouring are completed by manual labor, mechanical operation cannot be realized, the construction quality and the production efficiency are difficult to improve, and the field open-air operation is easily influenced by natural conditions.
The fabricated building is a building which is fabricated by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and accessories on the site in a reliable connection mode. The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is a representative of a modern industrial production mode due to the adoption of standardized design, factory production, assembly construction, informatization management and intelligent application.
The prefabricated concrete structure is a concrete structure formed by assembling and connecting prefabricated components serving as main stressed components. The assembled reinforced concrete structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of building engineering. Compared with a cast-in-place construction method, the fabricated concrete structure is beneficial to green construction, because the fabricated construction can better meet the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction, the negative effects on the environment are reduced, including noise reduction, dust prevention, environmental pollution reduction, clean transportation, field interference reduction, water, electricity, material and other resources and energy sources, and the principle of sustainable development is followed.
The application of the prior assembled reinforced concrete retaining wall in engineering is mainly characterized by integral prefabrication and is limited by the transportation and hoisting conditions of prefabricated parts, the retaining height is generally below 2m, and the application range is limited.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an assembled precast concrete retaining wall, which is characterized in that a retaining wall body and a bottom plate are separately precast and assembled on site, so that the transportation and hoisting conditions of precast components are improved, and the application range of the section of the assembled retaining wall is widened.
The technical scheme of the invention is as follows: the utility model provides an assembled precast concrete retaining wall includes retaining wall and bottom plate, retaining wall and bottom plate are prefabricated component respectively, a round of hole has been seted up on the bottom plate, the retaining wall sets up on the hole, the both sides of hole expand the both sides that retaining wall is thick, the vertical main muscle of the retaining wall that corresponds on the hole inserts in the hole, adopt the graticule concrete cast in situ in the hole, connect the root and the bottom plate of fixed retaining wall.
Based on the technical characteristics: the section of the retaining wall body is internally provided with a plurality of rows of vertical cavities which are communicated up and down.
Based on the technical characteristics: the horizontal cavity that link up around setting up several rows in the section of bottom plate, the length direction of horizontal cavity is unanimous with the length direction of retaining wall body, and first horizontal cavity is one row among several rows of horizontal cavity, and first horizontal cavity intersects and communicates with the hole, and the graticule concrete site pouring is to in the first horizontal cavity.
Based on the technical characteristics: and filling planting soil in the vertical cavity, and planting and greening at the top of the retaining wall body.
Based on the technical characteristics: the contact surface of the retaining wall body and the bottom plate is provided with a flexible cushion layer.
Based on the technical characteristics: the strength of the fine stone concrete is stronger than that of the concrete of the bottom plate.
This assembled precast concrete retaining wall has explored the new thinking of prefabricated assembled retaining wall design and construction, through retaining wall body and bottom plate separately prefabricated, on-the-spot equipment, the maximum retaining height of retaining wall can improve about 5m, has increased assembled retaining wall's application scope. Meanwhile, multiple rows of cavities are arranged in the wall body and the bottom plate of the retaining wall respectively, so that the using amount of concrete is saved.
Drawings
FIG. 1 is a schematic cross-sectional view of a retaining wall of the present invention.
Fig. 2 is a schematic view showing the construction of a retaining wall panel according to the present invention.
Fig. 3 is a schematic view of the retaining wall body structure of the present invention.
FIG. 4 is a schematic view of the assembly of the retaining wall of the present invention.
In the figure: 1. a retaining wall body; 2. a base plate; 3. a hole; 4. a horizontal cavity; 5. a vertical cavity; 6. a first horizontal cavity; 7. a vertical main rib; 8. and (6) backfilling soil.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 4, the retaining wall body 1 and the bottom plate 2 are respectively prefabricated components, a row of holes 3 is formed in the bottom plate 2, the prefabricated retaining wall body 1 and the bottom plate 2 are hoisted and spliced to a project site, backfill soil 8 is arranged on the back of the retaining wall body 1, and in order to ensure uniform stress, a flexible cushion layer, such as a cushion layer of felt commonly used in projects, can be arranged on the contact surface of the retaining wall body 1 and the bottom plate 2. The vertical main reinforcement 7 of the retaining wall body 1 corresponding to the hole 3 is inserted into the hole 3, and the vertical main reinforcement of the wall body which is not positioned above the hole 3 does not extend out of the wall. The number and the spacing of the holes 3 can be calculated according to the stress of the retaining wall body and the bottom plate. And the upper hole 3 is internally cast in situ by adopting fine aggregate concrete, and the root of the retaining wall body 1 and the bottom plate 2 are fixedly connected, so that the wall body and the bottom plate form a whole. Generally, the width of the hole 3 can be slightly larger than the thickness of the retaining wall body 1, and the two sides of the hole 3 are expanded out of the two sides of the wall thickness of the retaining wall body 1, so that the fine aggregate concrete can be poured into the hole from the gap between the two sides. The strength of the fine aggregate concrete is better than that of the bottom plate 2, and the strength grade of the general fine aggregate concrete can be higher than that of the bottom plate 2 by one.
As shown in figure 2, the structure of the bottom plate is schematically illustrated, the bottom plate is a prefabricated member, a row of holes 3 is formed in the bottom plate, and a plurality of rows of horizontal cavities 4 which are communicated with each other in the front and back are formed in the cross section of the bottom plate, so that the weight of the bottom plate can be reduced. Horizontal cavity 4 that link up around setting up several rows in the section of bottom plate, the length direction of horizontal cavity 4 is unanimous with the length direction of retaining wall 1, first horizontal cavity 6 is one row among several rows of horizontal cavity 4, first horizontal cavity 6 intersects and communicates with hole 3, and the graticule concrete site pouring is to first horizontal cavity 6 in, and the graticule concrete pouring is to all holes and whole first horizontal cavity 6 in like this, has consolidated retaining wall 1 and bottom plate 2 and has been connected.
As shown in fig. 3, the retaining wall is a prefabricated member, and a plurality of rows of vertical cavities 5 are formed in the cross section of the retaining wall, so that the weight of the retaining wall can be reduced. Furthermore, planting soil can be backfilled in the vertical cavity 5, and planting greening can be carried out on the top of the wall.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an assembled precast concrete retaining wall, includes retaining wall body (1) and bottom plate (2), its characterized in that: retaining wall body (1) with bottom plate (2) are prefabricated component respectively, a round of hole (3) have been seted up on bottom plate (2), retaining wall body (1) sets up on hole (3), expand on both sides of hole (3) the both sides of retaining wall body (1) wall thickness, correspond on hole (3) vertical main muscle (7) of retaining wall body (1) insert in hole (3), adopt the graticule concrete cast-in-place in hole (3), connect fixedly the root of retaining wall body (1) with bottom plate (2).
2. The fabricated precast concrete retaining wall according to claim 1, wherein: the cross section of the retaining wall body (1) is internally provided with a plurality of rows of vertical cavities (5) which are communicated up and down.
3. An assembled precast concrete retaining wall according to claim 1 or 2, wherein: set up horizontal cavity (4) that link up around several rows in the section of bottom plate, the length direction of horizontal cavity (4) with the length direction of retaining wall body (1) is unanimous, and first horizontal cavity (6) are several rows one in the horizontal cavity (4), first horizontal cavity (6) with hole (3) are crossing and communicate, the graticule concrete cast in situ extremely in first horizontal cavity (6).
4. The fabricated precast concrete retaining wall according to claim 2, wherein: and planting soil is backfilled in the vertical cavity (5), and greening is planted at the top of the retaining wall body (1).
5. The fabricated precast concrete retaining wall according to claim 1, wherein: the contact surface of the retaining wall body (1) and the bottom plate (2) is provided with a flexible cushion layer.
6. The fabricated precast concrete retaining wall according to claim 1, wherein: the strength of the fine aggregate concrete is stronger than that of the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010320077.2A CN111364504A (en) | 2020-04-21 | 2020-04-21 | Assembled precast concrete retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010320077.2A CN111364504A (en) | 2020-04-21 | 2020-04-21 | Assembled precast concrete retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111364504A true CN111364504A (en) | 2020-07-03 |
Family
ID=71207410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010320077.2A Pending CN111364504A (en) | 2020-04-21 | 2020-04-21 | Assembled precast concrete retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111364504A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517460A (en) * | 2021-12-09 | 2022-05-20 | 上海勘测设计研究院有限公司 | Assembled cantilever hydraulic retaining wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787708A (en) * | 2010-02-10 | 2010-07-28 | 黄靓 | Integrally-assembled cantilever-type retaining wall and construction method thereof |
| CN204626451U (en) * | 2015-05-08 | 2015-09-09 | 中国电建集团贵阳勘测设计研究院有限公司 | Hollow steel pipe concrete cantilever type retaining wall for high fill area |
| KR20180055035A (en) * | 2016-11-16 | 2018-05-25 | 피씨에스솔루션 주식회사 | Retaining wall structure using precast double-wall and construction method thereof |
| CN212153447U (en) * | 2020-04-21 | 2020-12-15 | 上海勘测设计研究院有限公司 | Assembled precast concrete retaining wall |
-
2020
- 2020-04-21 CN CN202010320077.2A patent/CN111364504A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787708A (en) * | 2010-02-10 | 2010-07-28 | 黄靓 | Integrally-assembled cantilever-type retaining wall and construction method thereof |
| CN204626451U (en) * | 2015-05-08 | 2015-09-09 | 中国电建集团贵阳勘测设计研究院有限公司 | Hollow steel pipe concrete cantilever type retaining wall for high fill area |
| KR20180055035A (en) * | 2016-11-16 | 2018-05-25 | 피씨에스솔루션 주식회사 | Retaining wall structure using precast double-wall and construction method thereof |
| CN212153447U (en) * | 2020-04-21 | 2020-12-15 | 上海勘测设计研究院有限公司 | Assembled precast concrete retaining wall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517460A (en) * | 2021-12-09 | 2022-05-20 | 上海勘测设计研究院有限公司 | Assembled cantilever hydraulic retaining wall |
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