CN219794283U - Prefabricated outer wall - Google Patents
Prefabricated outer wall Download PDFInfo
- Publication number
- CN219794283U CN219794283U CN202320850245.8U CN202320850245U CN219794283U CN 219794283 U CN219794283 U CN 219794283U CN 202320850245 U CN202320850245 U CN 202320850245U CN 219794283 U CN219794283 U CN 219794283U
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- China
- Prior art keywords
- layer
- ultra
- high performance
- performance concrete
- prefabricated
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- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 2
- 238000007730 finishing process Methods 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 50
- 238000009413 insulation Methods 0.000 description 11
- 239000002344 surface layer Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material Substances 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
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Building Environments (AREA)
- Finishing Walls (AREA)
Abstract
The utility model relates to the technical field of assembled buildings and discloses a prefabricated outer wall which comprises a wall body and a connecting piece, wherein the wall body comprises an outer finishing layer, an ultra-high performance concrete layer and a heat preservation layer which are sequentially arranged from outside to inside, the ultra-high performance concrete layer is provided with a surrounding edge which is arranged on the outer periphery of the heat preservation layer in a surrounding mode, the connecting piece comprises connecting angle steel and connecting bolts, one end of the connecting angle steel is embedded in the surrounding edge, the other end of the connecting angle steel is connected with a building main body structure through the connecting bolts, and a waterproof sealing assembly is arranged in a joint between two adjacent wall bodies. The utility model can integrate the outer finishing layer, the ultra-high performance concrete layer and the heat preservation layer, improves the site construction efficiency, and improves the structural stability and the service life.
Description
Technical Field
The utility model relates to the technical field of assembly type buildings, in particular to a prefabricated outer wall.
Background
At present, the assembled concrete building in China is in a rapid development stage, but the assembled prefabricated outer walls are large-size outer walls, so that the prefabricated outer walls are made of common concrete, the components are too heavy, and the requirement on the tower crane is high; if the prefabricated outer wall cannot be subjected to facing and heat preservation and heat insulation treatment in the prefabrication process, secondary operation such as ceramic tile pasting is added in the field construction stage, the surface of the prefabricated component is usually too smooth, ceramic tile pasting is not easy, and the heat preservation and heat insulation treatment can also cause low-efficiency construction in the field implementation. The building outer wall belongs to an important component part in building functions, and generally needs heat preservation, heat insulation, water resistance and the like, and meanwhile has the style of building facades, so that the part is prefabricated, the conditions considered by building design are very complex, the reliability of connecting nodes, the durability of prefabricated components and the like are also ensured on the structural design, and therefore, the heat preservation and heat insulation prefabricated outer wall with the facing of the fabricated concrete building is perfected and optimized to become our target.
Disclosure of Invention
The utility model aims to provide a prefabricated outer wall, which can integrate an outer finishing layer, an ultra-high performance concrete layer and a heat preservation layer, improve the site construction efficiency and the structural stability and prolong the service life.
In order to achieve the above purpose, the utility model provides a prefabricated outer wall, which comprises a wall body and a connecting piece, wherein the wall body comprises an outer finishing layer, an ultra-high performance concrete layer and a heat preservation layer which are sequentially arranged from outside to inside, the connecting piece comprises connecting angle steel and connecting bolts, one end of each connecting angle steel is pre-buried in the surrounding edge, the other end of each connecting angle steel is connected with a building main body structure through the connecting bolts, and a waterproof sealing assembly is arranged in a joint between two adjacent wall bodies.
As a preferable scheme of the utility model, fireproof rock wool is arranged at the junction between the inner side surface of the wall body and the main structure of the building.
As a preferable scheme of the utility model, the heat-insulating layer is a polyphenyl board or vitrified micro bubble heat-insulating mortar layer.
As a preferable scheme of the utility model, the waterproof sealing assembly comprises waterproof glue, a foamed polyethylene rod, an airtight strip and a fireproof mortar part which are sequentially arranged from outside to inside, and a cavity is formed between the foamed polyethylene rod and the airtight strip.
As a preferable scheme of the utility model, the ultra-high performance concrete layer is internally provided with an embedded iron piece which is welded and connected with the connecting angle steel.
As a preferable scheme of the utility model, a hoisting embedded part is arranged in the ultra-high performance concrete layer.
As a preferable scheme of the utility model, the outer finishing layer is paved on the ultra-high performance concrete layer by adopting a reverse forging process.
As a preferable scheme of the utility model, the outer decorative surface layer is connected with the ultra-high performance concrete layer through a back bolt, a tongue-and-groove or a steel bar buckle.
As a preferable scheme of the utility model, the outer decorative surface layer is a ceramic tile decorative surface layer or a stone decorative surface layer.
Compared with the prior art, the prefabricated outer wall has the beneficial effects that:
according to the utility model, the ultra-high performance concrete layer (UHPC for short) is adopted as the main body of the prefabricated outer wall, so that the prefabricated outer wall is effectively ensured to have the characteristics of high durability and high strength, and the heat insulation layer is positioned in the cavity formed by the surrounding edge, so that the overall weight of the prefabricated outer wall can be reduced, the performance requirement of the tower crane is reduced, and the construction cost is reduced; the ultra-high performance concrete has high bonding performance, can be firmly connected with the heat insulation layer and the outer facing layer, prevents the phenomenon that the outer facing material falls, and simultaneously realizes that the outer facing layer, the ultra-high performance concrete layer and the heat insulation layer are prefabricated into an integrated structure in a factory without secondary operation on a construction site; in addition, the wall body is fixedly connected with the building main body structure through the connecting piece, and deviation correction of the connecting node of the prefabricated outer wall and the building main body structure is realized through the cooperation of the connecting angle steel and the connecting bolt; therefore, the utility model can design the outer decorative layer, the ultra-high performance concrete layer and the heat preservation layer integrally, improve the site construction efficiency, improve the structural stability and prolong the service life.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic view of a prefabricated exterior wall according to the present utility model;
FIG. 2 is a schematic view of the connection structure between the upper part of the prefabricated exterior wall and the main structure of the building;
FIG. 3 is a schematic view of a connection structure between the lower part of a prefabricated exterior wall and a main building structure according to the present utility model;
FIG. 4 is a schematic view of the joint between walls according to the present utility model;
in the figure, 1 is an outer finishing layer; 2 is an ultra-high performance concrete layer; 21 is a surrounding edge; 3 is an insulating layer; 4 is fireproof rock wool; 5 is a joint; 51 is waterproof glue; 52 is a foamed polyethylene rod; 53 is an airtight strip; 54 is a fire-retardant mortar portion; 6 is a connecting piece; 61 is a connecting angle steel; 62 is a connecting bolt; 63 is a gasket; 64 is an embedded iron piece; 65 is an upper connector; 66 is a lower connector; 7 is a building main body structure.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, a prefabricated outer wall of the preferred embodiment of the present utility model comprises a wall body and a connecting piece 6, wherein the wall body comprises an outer finishing layer 1, an ultra-high performance concrete layer 2 and an insulation layer 3 which are sequentially arranged from outside to inside, the ultra-high performance concrete layer 2 is provided with a surrounding edge 21 surrounding the outer periphery of the insulation layer 3, the insulation layer 3 is preferably a polystyrene board or vitrified micro bubble insulation mortar layer, the connecting piece 6 comprises a connecting angle steel 61 and a connecting bolt 62, one end of the connecting angle steel 61 is embedded in the surrounding edge 21, the other end of the connecting angle steel 61 is connected with a building main structure 7 through the connecting bolt 62, and a waterproof sealing assembly is arranged in a joint 5 between two adjacent wall bodies.
Specifically, the connecting piece 6 has an upper connecting piece 65 and a lower connecting piece 66, as shown in fig. 2, the upper connecting piece 65 is connected with the upper portion of the wall, as shown in fig. 3, the lower connecting piece 66 is connected with the lower portion of the wall, and the embedded part in threaded connection with the connecting bolt 62 is embedded in the building main body structure 7. The lower connecting piece 66 is used as a bearing design, the upper connecting piece 65 is used as an adjusting design, a gasket 63 is arranged between the connecting angle steel 61 of the lower connecting piece 66 and the building main body structure 7, and the number of the gaskets 63 is adjusted; the connecting angle steel 61 of the upper connecting piece 65 is provided with a bolt hole which is arranged in a straight shape, and the connecting bolt 62 of the upper connecting piece 65 is matched with the bolt hole of the connecting angle steel 61 of the upper connecting piece 65 so as to effectively correct the installation error of the prefabricated outer wall generated in the construction process. The wall body can be provided with or without a window, and if the wall body is provided with the window, the wall body can be provided with an auxiliary frame of the window.
Therefore, the ultra-high performance concrete layer 2 is adopted as the main body of the prefabricated outer wall, so that the prefabricated outer wall is effectively ensured to have the characteristics of high durability and high strength, and the heat preservation layer 3 is positioned in the cavity formed by the surrounding edge 21, so that the overall weight of the prefabricated outer wall can be reduced, the performance requirement of the tower crane is reduced, and the construction cost is reduced; the ultra-high performance concrete has high bonding performance, can be firmly connected with the heat preservation layer 3 and the outer decoration surface layer 1, prevents the phenomenon that the outer facade material falls, and simultaneously realizes that the outer decoration surface layer 1, the ultra-high performance concrete layer 2 and the heat preservation layer 3 are prefabricated into an integrated structure in a factory without secondary operation on a construction site; in addition, the wall body is fixedly connected with the building main body structure 7 through the connecting piece 6, and the deviation correction of the connecting node of the prefabricated outer wall and the building main body structure 7 is realized through the cooperation of the connecting angle steel 61 and the connecting bolt 62; therefore, the utility model can design the outer decorative layer 1, the ultra-high performance concrete layer 2 and the heat preservation layer 3 integrally, improve the site construction efficiency, and improve the structural stability and the service life.
As shown in fig. 1-2, the joint between the inner side surface of the wall body and the main building structure 7 is provided with fireproof rock wool 4, so that the fireproof effect is improved to meet the fire-fighting construction requirement.
As shown in fig. 3 to 4, the waterproof sealing assembly includes a waterproof glue 51, a foamed polyethylene rod 52, an airtight strip 53 and a fireproof mortar portion 54 sequentially disposed from outside to inside, and a cavity is formed between the foamed polyethylene rod 52 and the airtight strip 53, so that the waterproof and fireproof effects at the joint 5 between walls can be effectively ensured, and deformation and cracking of the joint 5 can be reduced.
Illustratively, the ultra-high performance concrete layer 2 is internally provided with an embedded iron piece 64 welded and connected with the connecting angle steel 61, so that the connection reliability of the connecting angle steel 61 and the wall body is effectively improved.
Illustratively, the periphery of the ultra-high performance concrete layer 2 is provided with a hoisting embedded part, and the whole prefabricated outer wall is conveniently hoisted by a tower crane through the hoisting embedded part.
Illustratively, the outer decorative surface layer 1 is laid on the ultra-high performance concrete layer 2 by adopting a reverse forging process, and specifically, the outer decorative surface layer 1 is connected with the ultra-high performance concrete layer 2 through a back bolt, a tongue-and-groove or a steel bar buckle. The outer finishing layer 1 and the ultra-high performance concrete layer 2 are cast together, so that the connection reliability is improved. Further, the outer finishing layer 1 is a tile finishing layer or a stone finishing layer. Of course, in other embodiments, the exterior finish 1 may be a stone paint.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The utility model provides a prefabricated outer wall, its characterized in that, includes wall body and connecting piece, the wall body includes from outer and interior outer finish coat, ultra-high performance concrete layer and the heat preservation that sets gradually, ultra-high performance concrete layer is equipped with encloses to be established the surrounding edge of the periphery of heat preservation, the connecting piece includes angle steel and connecting bolt, the one end of angle steel is pre-buried in the surrounding edge, the other end of angle steel passes through connecting bolt is connected with building main body structure, adjacent two be equipped with waterproof seal assembly in the seam between the wall body.
2. The prefabricated exterior wall according to claim 1, wherein a fire-resistant rock wool is provided at the junction between the interior side of the wall body and the building body structure.
3. The prefabricated exterior wall according to claim 1, wherein the heat-insulating layer is a polyphenyl board or vitrified micro bubble heat-insulating mortar layer.
4. The prefabricated exterior wall according to claim 1, wherein the waterproof sealing assembly comprises a waterproof glue, a foamed polyethylene rod, an airtight strip and a fireproof mortar portion which are sequentially arranged from outside to inside, and a cavity is formed between the foamed polyethylene rod and the airtight strip.
5. The prefabricated exterior wall according to claim 1, wherein the ultra-high performance concrete layer is provided with embedded iron members welded with the connecting angle steel.
6. The prefabricated exterior wall according to claim 1, wherein the ultra-high performance concrete layer is provided with a lifting embedment therein.
7. The prefabricated exterior wall according to claim 1, wherein said exterior finish layer is laid on said ultra-high performance concrete layer using a reverse-finishing process.
8. The prefabricated exterior wall according to claim 7, wherein the exterior finishing layer is connected to the ultra-high performance concrete layer by means of backbolts, mortises or rebar clips.
9. The prefabricated exterior wall according to claim 7, wherein the exterior finishing layer is a tile finishing layer or a stone finishing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850245.8U CN219794283U (en) | 2023-04-14 | 2023-04-14 | Prefabricated outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850245.8U CN219794283U (en) | 2023-04-14 | 2023-04-14 | Prefabricated outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219794283U true CN219794283U (en) | 2023-10-03 |
Family
ID=88157794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320850245.8U Active CN219794283U (en) | 2023-04-14 | 2023-04-14 | Prefabricated outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219794283U (en) |
-
2023
- 2023-04-14 CN CN202320850245.8U patent/CN219794283U/en active Active
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| GR01 | Patent grant |