CN219931248U - Connecting structure of externally-hung prefabricated wall body of assembled steel structure and basement top plate - Google Patents
Connecting structure of externally-hung prefabricated wall body of assembled steel structure and basement top plate Download PDFInfo
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- CN219931248U CN219931248U CN202321141807.8U CN202321141807U CN219931248U CN 219931248 U CN219931248 U CN 219931248U CN 202321141807 U CN202321141807 U CN 202321141807U CN 219931248 U CN219931248 U CN 219931248U
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- wall body
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- basement
- hung
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 239000010959 steel Substances 0.000 title claims abstract description 95
- 238000010276 construction Methods 0.000 claims abstract description 30
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 11
- 239000004568 cement Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013524 weatherproof sealant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a connecting structure of an externally-hung prefabricated wall body of an assembled steel structure and a basement roof, and relates to the technical field of the prefabricated externally-hung wall body of the assembled steel structure. The utility model has the effects of improving the waterproof, dampproof and fireproof effects between the prefabricated externally-hung wall body and the basement roof, and simplifying production, construction and installation.
Description
Technical Field
The utility model relates to the technical field of prefabricated externally-hung walls of assembled steel structures, in particular to a connection structure of the prefabricated externally-hung walls of the assembled steel structures and a top plate of a basement.
Background
The fabricated steel structure building is one of three systems of fabricated building which definitely requires development in China, has the advantages of high prefabrication assembly rate, mature structural design and construction system, quick construction period, light dead weight, less waste discharge, good durability and the like, and has wide application in the fields of industrial buildings and civil industrial buildings in China. In recent years, technical development and project demonstration of steel structures are also continuously emerging, and the steel structure is an important system and development direction in the field of assembled buildings in China.
The lack of related detail structures of prefabricated externally-hung walls of prefabricated steel structure buildings is always a short plate and a defect for restricting the development of the prefabricated externally-hung walls. When the steel structure adopts the prefabricated externally-hung wall body, for the connection structure of the prefabricated externally-hung wall body and the basement roof, the most common practice at present is to embed an embedded part in the basement roof, the embedded part is also embedded in the corresponding position of the prefabricated externally-hung wall body, and the prefabricated externally-hung wall body is hung outside the basement wall body through the connecting part; a weather-proof sealant and a polyethylene foam rod are placed between the bottom of the prefabricated externally-hung wall body and the scattered water for preventing water and moisture; meanwhile, fireproof rock wool is placed between the prefabricated externally-hung wall body and the basement outer wall for fireproof, and practice proves that the waterproof, dampproof and fireproof effects are not good, the structure is complex, and the production, construction and installation are complicated.
Disclosure of Invention
In order to improve the waterproof, dampproof and fireproof effects between the prefabricated externally-hung wall body and the basement roof and simplify the production, construction and installation steps, the utility model provides a connecting structure of the prefabricated externally-hung wall body with the basement roof.
The utility model provides a connecting structure of an externally-hung prefabricated wall body of an assembled steel structure and a basement top plate, which adopts the following technical scheme:
the connecting structure of the prefabricated steel structure externally-hung prefabricated wall body and the basement roof is arranged between the prefabricated externally-hung wall body and the basement roof and comprises an embedded part embedded in the basement roof, channel steel is fixedly arranged on one side, away from the basement roof, of the embedded part, a groove hole is reserved in the prefabricated externally-hung wall body, the groove hole corresponds to the channel steel, and grouting layers are filled in the groove hole and between the prefabricated externally-hung wall body and the basement roof.
By adopting the technical scheme, the embedded part is embedded when the basement roof is poured, then the channel steel is fixedly installed on the embedded part, the groove hole is aligned with the channel steel, and the position of the prefabricated externally-hung wall body relative to the basement roof is limited by the grouting layer; through setting up of grout blanket, channel-section steel, built-in fitting, can effectively dampproofing and waterproofing fire prevention, and simple structure, production, construction installation are comparatively convenient.
Preferably, the embedded part comprises an embedded part steel plate, the embedded part steel plate is embedded in the basement top plate, one side of the embedded part steel plate is exposed out of the basement top plate, and the channel steel is fixedly installed on one side of the embedded part steel plate exposed out of the basement top plate.
By adopting the technical scheme, the embedded part steel plate is buried on the basement top plate, so that the position of the embedded part steel plate can be effectively fixed, and the phenomenon that the embedded part steel plate is deviated in the construction process and the use process is prevented; meanwhile, the embedded part steel plate is exposed out of the basement top plate, so that the channel steel can be conveniently and fixedly installed.
Preferably, one side of the embedded part steel plate far away from the basement roof is flush with the top surface of the basement roof.
By adopting the technical scheme, the flatness of the ground can be ensured before the prefabricated externally hung wall body is installed, and the probability of preventing staff from walking before the channel steel is installed is effectively reduced.
Preferably, the embedded part further comprises embedded part reinforcing steel bars preset in the top plate of the basement, and the embedded part reinforcing steel bars are fixedly installed on one side, far away from the channel steel, of the embedded part steel plate.
Through adopting above-mentioned technical scheme, through preset built-in steel bar in the basement roof, effectively strengthen the joint strength between built-in steel sheet and the basement roof.
Preferably, the projection of the groove hole on the vertical plane is in an isosceles trapezoid shape.
By adopting the technical scheme, when a worker lifts the prefabricated externally hung wall body, the groove holes are aligned with the channel steel to be installed; the installation requirement of the wall body can be met while the size of the opening hole of the wall body is reduced as much as possible.
Preferably, a construction temporary cushion block is placed between the basement roof and the prefabricated externally-hung wall body, and the construction temporary cushion blocks are arranged in pairs and are respectively placed on two sides of the channel steel.
By adopting the technical scheme, before pouring the grouting material in the slot, the temporary construction cushion block is placed between the bottom of the prefabricated externally hung wall body and the basement roof, so that a sufficient gap is reserved between the prefabricated externally hung wall body and the basement roof, and grouting material is convenient for workers to pour to form the grouting material.
Preferably, the channel steel is arranged as C-shaped channel steel.
Through adopting above-mentioned technical scheme, place the channel-section steel is vertical, the control of the height through the channel-section steel be convenient for basement roof with the distance between the prefabricated externally hung wall body.
Preferably, the embedded part is embedded in a basement top plate at the top of the basement main body structure.
By adopting the technical scheme, the force is reasonable, the force transmission path is clear, and the connection is reliable.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. embedding an embedded part when pouring a basement roof, fixedly mounting channel steel on the embedded part, aligning a groove hole with the channel steel, and limiting the position of a prefabricated externally-hung wall body relative to the basement roof through a grouting layer; through the arrangement of the grouting layer, the channel steel and the embedded part, the waterproof, dampproof and fireproof effects can be achieved effectively, the structure is simple, and the production, construction and installation are convenient;
2. before pouring the grouting material in the slot, firstly placing a construction temporary cushion block between the bottom of the prefabricated externally-hung wall body and the basement roof, so that a sufficient gap is reserved between the prefabricated externally-hung wall body and the basement roof, and a grouting material is convenient for a worker to pour so as to form the grouting material.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model, showing the structure after installation;
FIG. 2 is a cross-sectional view taken along the A-A plane in FIG. 1;
fig. 3 is a schematic structural diagram of a second embodiment of the present utility model, which is a structure for using a temporary block for construction in the installation process.
Reference numerals: 1. a basement roof; 2. prefabricating an externally hung wall body; 21. a slot hole; 3. an embedded part; 31. an embedded part steel plate; 32. embedded part reinforcing steel bars; 4. channel steel; 5. a grouting layer; 6. constructing a temporary cushion block; 7. basement body structure.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1 to 3.
The embodiment of the utility model discloses a connecting structure of an externally-hung prefabricated wall body of an assembled steel structure and a basement roof, which is arranged between the basement roof 1 and the prefabricated externally-hung wall body 2 and is used for connecting the basement roof 1 and the externally-hung prefabricated wall body of the assembled steel structure of a first building.
Referring to fig. 1 and 2, the connecting structure of the prefabricated wall body and the basement roof of the assembled steel structure comprises an embedded part 3, wherein the embedded part 3 is embedded in the position, corresponding to the prefabricated wall body 2, of the basement roof 1 at the top of the basement main body structure 7, a groove hole 21 is reserved on one side, close to the basement roof 1, of the prefabricated wall body 2, a channel steel 4 is vertically welded at the position, corresponding to the groove hole 21, of the top of the embedded part 3, and grouting layers 5 are filled in the groove hole 21 and gaps between the prefabricated wall body 2 and the basement roof 1.
When the prefabricated externally hung wall body 2 is installed, the prefabricated externally hung wall body 2 is lifted, the groove holes 21 are aligned with the channel steel 4, then the prefabricated externally hung wall body 2 falls down, gaps are reserved between the prefabricated externally hung wall body 2 and the basement roof 1, meanwhile, part of the channel steel 4 is positioned in the groove holes 21, and then grouting materials are used for filling the grooves 21 and the gaps between the prefabricated externally hung wall body 2 and the basement roof 1, so that the position of the prefabricated externally hung wall body 2 relative to the basement roof 1 is fixed. The design mode ensures that the force transmission path between the two is clear, the connection is reliable, the construction is convenient, and the waterproof, dampproof and fireproof effects are effectively improved.
In detail, the embedded part 3 comprises an embedded part steel plate 31 and embedded part steel bars 32, one side of the embedded part steel plate 31 is flush with the top side of the basement roof 1, the embedded part steel bars 32 are welded and fixed on the other side of the embedded part steel plate 31, in the embodiment, each embedded part steel plate 31 can be correspondingly provided with 2 rows of embedded part steel bars 32, and the number of the embedded part steel bars 32 in each row can be determined according to the length of the basement roof 2. In actual construction, the embedded part steel bars 32 can be inserted when the basement roof 1 is poured, and the embedded part steel plates 31 are flush with the top side of the basement roof 1; it is also possible to insert the embedment steel bar 32 after the basement roof 1 is poured but not solidified, while making the embedment steel plate 31 flush with the top side of the basement roof 1.
In this embodiment, the channel steel 4 is a C-shaped channel steel, and the height of the channel steel 4 in the vertical plane can be set according to actual needs, so that at least the upper half part of the channel steel 4 is located in the channel hole 21. The cross section of the groove hole 21 on the vertical plane is in an isosceles trapezoid shape, and the longer bottom edge of the isosceles trapezoid is positioned at the bottom of the prefabricated externally hung wall body 2. When a worker installs the prefabricated externally hung wall body 2, the groove holes 21 are arranged in an isosceles trapezoid shape, so that the prefabricated externally hung wall body is convenient to install in alignment with the channel steel 4.
In order to ensure that the prefabricated externally hung wall body 2 and the basement roof 1 have higher connection strength, in the embodiment, the grouting layer 5 is formed by adopting micro-expansion cement-based grouting material or micro-expansion self-compaction concrete after solidification.
Further, referring to fig. 1 and 3, in order to facilitate grouting in the space by the worker to form the grouting layer 5, before grouting, the construction temporary spacers 6 may be placed between the prefabricated externally hung wall 2 and the basement roof 1, the construction temporary spacers 6 may be arranged in pairs, and each pair of construction temporary spacers 6 is respectively arranged at both sides of the channel 4. In this embodiment, the number of the paired temporary construction blocks 6 may be set correspondingly according to the number of the channel steel 4, or may be increased or decreased according to actual requirements. In actual construction, the staff fills the micro-expansion cement-based grouting material or micro-expansion self-compaction concrete into the slot holes 21 and gaps between the prefabricated externally-hung wall body 2 and the basement roof 1; and taking out the construction temporary cushion block 6 after the grouting layer 5 is solidified, and continuously grouting and filling the position occupied by the construction temporary cushion block 6 by using micro-expansion cement-based grouting material or micro-expansion self-compaction concrete.
In this embodiment, wood blocks and the like can be used as the temporary construction cushion block 6, and only the same height of a plurality of wood blocks needs to be ensured, so that the prefabricated externally hung wall 2 is lifted up to the same height, and part of channel steel is positioned in the groove hole 21.
The implementation principle of the embodiment of the utility model is as follows: firstly, embedding an embedded part 3 at a corresponding position of an outer wall on a top plate 1 of a basement during basement construction; and when producing the prefabricated externally hung wall body 2 for the first floor, reserving a slot hole 21 at the bottom of the wallboard relative to the position of the basement roof 1; then transporting the prefabricated externally hung wall body 2 to a construction site; welding channel steel 4 on the embedded part 3 of the basement roof 1; then hoisting the prefabricated externally-hung wall body 2 for the first floor in place, aligning the groove holes 21 with the corresponding channel steel 4, and simultaneously placing a plurality of construction temporary cushion blocks 6 with the same height between the prefabricated externally-hung wall body 2 and the basement roof 1 so as to ensure that the gap heights between the prefabricated externally-hung wall body 2 and the basement roof 1 are the same; finally, connecting the top of the prefabricated externally-hung wall body 2 for first building with the steel beam, and filling gaps at the bottom by grouting material with similar strength to the bottom to form fixed connection; through setting up of grout blanket, channel-section steel, built-in fitting, can effectively dampproofing and waterproofing fire prevention, and simple structure, production, construction installation are comparatively convenient.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides an externally hung prefabricated wall body of assembled steel construction and basement roof connection structure, sets up between prefabricated externally hung wall body (2) and basement roof (1), its characterized in that, including imbedding built-in fitting (3) in basement roof (1), built-in fitting (3) are kept away from one side fixed mounting of basement roof (1) has channel-section steel (4), prefabricated externally hung wall body (2) are reserved groove hole (21), groove hole (21) correspond channel-section steel (4) set up, in groove hole (21) and prefabricated externally hung wall body (2) with fill between basement roof (1) have grout layer (5).
2. The connecting structure of the externally-hung prefabricated wall body of the assembled steel structure and the basement roof according to claim 1, wherein the embedded part (3) comprises an embedded part steel plate (31), the embedded part steel plate (31) is embedded in the basement roof (1), one side of the embedded part steel plate (31) is exposed out of the basement roof (1), and the channel steel (4) is fixedly installed on one side of the embedded part steel plate (31) exposed out of the basement roof (1).
3. The connecting structure of the externally-hung prefabricated wall body of the fabricated steel structure and the basement roof according to claim 2, wherein one side of the embedded part steel plate (31) away from the basement roof (1) is arranged flush with the top surface of the basement roof (1).
4. The connecting structure of the externally-hung prefabricated wall body of the fabricated steel structure and the top plate of the basement according to claim 2 or 3, wherein the embedded part (3) further comprises embedded part reinforcing steel bars (32) preset in the top plate (1) of the basement, and the embedded part reinforcing steel bars (32) are fixedly installed on one side, far away from the channel steel (4), of the embedded part steel plate (31).
5. The connection structure of the prefabricated wall body externally hung on the fabricated steel structure and the top plate of the basement according to claim 1, wherein the cross section of the slot hole (21) on the vertical plane is in an isosceles trapezoid shape.
6. The connection structure of the prefabricated externally-hung wall body and the basement roof of the fabricated steel structure according to claim 1, wherein a construction temporary cushion block (6) is placed between the basement roof (1) and the prefabricated externally-hung wall body (2), and the construction temporary cushion blocks (6) are arranged in pairs and are respectively placed on two sides of the channel steel (4).
7. The connection structure of the prefabricated wall body externally hung on the fabricated steel structure and the top plate of the basement according to claim 1, wherein the channel steel (4) is a C-shaped channel steel.
8. The connecting structure of the externally-hung prefabricated wall body of the fabricated steel structure and the basement roof according to claim 1, wherein the embedded part (3) is embedded in the basement roof (1) at the top of the basement main body structure (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141807.8U CN219931248U (en) | 2023-05-09 | 2023-05-09 | Connecting structure of externally-hung prefabricated wall body of assembled steel structure and basement top plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141807.8U CN219931248U (en) | 2023-05-09 | 2023-05-09 | Connecting structure of externally-hung prefabricated wall body of assembled steel structure and basement top plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219931248U true CN219931248U (en) | 2023-10-31 |
Family
ID=88496449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141807.8U Active CN219931248U (en) | 2023-05-09 | 2023-05-09 | Connecting structure of externally-hung prefabricated wall body of assembled steel structure and basement top plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219931248U (en) |
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2023
- 2023-05-09 CN CN202321141807.8U patent/CN219931248U/en active Active
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