CN215888706U - Cast-in-place external thermal insulation structure of steel plate composite wall - Google Patents
Cast-in-place external thermal insulation structure of steel plate composite wall Download PDFInfo
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- CN215888706U CN215888706U CN202121917349.3U CN202121917349U CN215888706U CN 215888706 U CN215888706 U CN 215888706U CN 202121917349 U CN202121917349 U CN 202121917349U CN 215888706 U CN215888706 U CN 215888706U
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Abstract
The utility model discloses a cast-in-place external thermal insulation structure of a steel plate composite wall, which comprises the steel plate composite wall, a fireproof layer, a thermal insulation layer, a fixing bolt and a protective layer, wherein the fixing bolt is fixedly connected with the steel plate composite wall, the fixing bolt is arranged in the fireproof layer and the thermal insulation layer, the protective layer is arranged on the outer surface of the thermal insulation layer, and the end head of the fixing bolt is arranged in the protective layer. The fireproof layer and the heat preservation layer are fixed by the fixing bolts, the protective layer is fixed by the fixing bolts fixedly connected to the steel plate composite wall, the fireproof layer, the heat preservation layer and the steel plate composite wall can be well connected together, the arrangement of a connecting seat is omitted, the size of the fixing bolts is small, the damage to the structures of the fireproof layer and the heat preservation layer can be avoided, the protective layer covers the outermost heat preservation layer, the protective layer plays a role in protection, the damage to the structures caused by the influence of the environment on the fireproof layer and the heat preservation layer is avoided, and the constructed outer heat preservation structure has fireproof and heat preservation effects.
Description
Technical Field
The utility model belongs to the technical field of building structures, and particularly relates to a cast-in-place external thermal insulation structure of a steel plate composite wall.
Background
In the building structure, according to the material of the main structure, a concrete structure and a steel structure are commonly used. The steel plate combined wall effectively combines a steel structure and a concrete structure to form a novel lateral force resistant component, fully exerts the advantages of flexible building layout, high steel structure manufacturing industrialization degree and high construction speed of the concrete shear wall, and simultaneously exerts the material performance advantages of light weight, high strength and high concrete rigidity.
In the prior art, in order to make a steel plate composite wall have heat preservation and fireproof effects, a heat preservation layer and a fireproof layer are arranged on the steel plate composite wall, for example, China specially does benefit to 2020.10.12 and discloses a utility model named as a fireproof heat preservation structure (application number: CN202022257514.9) of a building outer wall, the heat preservation layer is bonded on the outer surface of the wall body, a plurality of connecting seats connected on the wall body are penetrated on the heat preservation layer, the fireproof layer clamped on the connecting seats is bonded on the outer surface of the heat preservation layer, fixing bolts which sequentially penetrate through the connecting seats and the heat preservation layer and are fixed on the surface of the wall body are connected on the fireproof layer, and a sealing plate covered outside the connecting seats is embedded on the surface of the fireproof layer.
In the prior art, the fireproof layer and the heat-insulating layer are fixed on the wall body through the connecting seat, however, the connecting seat has a large volume, so that the structures of the fireproof layer and the heat-insulating layer are easily damaged, and the heat-insulating and fireproof effects of the wall body are influenced; moreover, the fire-proof layer at the outermost layer is exposed outside, and the structure of the fire-proof layer is easily damaged under the influence of the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art and provides a cast-in-place external thermal insulation structure of a steel plate composite wall, wherein a fireproof layer and a thermal insulation layer are fixed by adopting a fixing bolt, and a protective layer is fixed by adopting a fixing bolt fixedly connected to the steel plate composite wall, so that the arrangement of a connecting seat is omitted, the size of the fixing bolt is smaller, the damage of the structures of the fireproof layer and the thermal insulation layer can be avoided, the protective layer covers the outermost thermal insulation layer, the protective layer plays a role in protection, the damage of the structures caused by the influence of the environment on the fireproof layer and the thermal insulation layer is avoided, and the constructed external thermal insulation structure has fireproof and thermal insulation effects.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a cast-in-place external thermal insulation structure of a steel plate composite wall comprises the steel plate composite wall, a fireproof layer and a thermal insulation layer, wherein the fireproof layer is arranged between the steel plate composite wall and the thermal insulation layer. The fireproof heat-insulation composite wall is characterized by further comprising a fixing bolt and a protective layer, wherein the fixing bolt is fixedly connected with the steel plate composite wall, the fixing bolt is arranged in the fireproof layer and the heat-insulation layer, the protective layer is arranged on the outer surface of the heat-insulation layer, and the end head of the fixing bolt is arranged in the protective layer.
The fireproof layer and the heat preservation layer are fixed by the fixing bolts, the protective layer is fixed by the fixing bolts fixedly connected to the steel plate composite wall, the fireproof layer, the heat preservation layer and the steel plate composite wall can be well connected together, the arrangement of a connecting seat is omitted, the size of the fixing bolts is small, the damage to the structures of the fireproof layer and the heat preservation layer can be avoided, the protective layer covers the outermost heat preservation layer, the protective layer plays a role in protection, the damage to the structures caused by the influence of the environment on the fireproof layer and the heat preservation layer is avoided, and the constructed outer heat preservation structure has fireproof and heat preservation effects.
Furthermore, the steel plate composite wall can adopt a flat steel plate and a corrugated steel plate, and the corrugated steel plate has good stability, the buckling resistance bearing capacity of the steel plate composite wall can be several times to dozens of times higher than that of the flat steel plate, the corrugated steel plate is restrained by concrete and a pull bolt, the bending and shearing resistance bearing capacity is greatly improved, the concrete is also restrained by the corrugated steel plate and the pull bolt, the compressive strength of the concrete can be fully exerted, and the using amount of steel is obviously reduced. Therefore, the steel plate combination wall of the utility model is designed by adopting the corrugated steel plate: the steel plate composite wall comprises corrugated steel plates and steel pipe columns, the two corrugated steel plates are welded between the two steel pipe columns, split bolts are arranged between the two corrugated steel plates, the split bolts and the fixing bolts are fixedly connected through connecting pieces, cavities are formed between the corrugated steel plates and the steel pipe columns, concrete structures are arranged inside the steel pipe columns and in the cavities, and the split bolts penetrate through the concrete structures in the cavities. The split bolt has enough strength, can be used for being connected with the fixed bolt, and solves the technical problem of how to fixedly connect the fixed bolt with the steel plate composite wall.
Furthermore, the connecting piece adopts a connecting sleeve, and the thread end part of the split bolt and the thread end part of the fixing bolt are in threaded connection in the connecting sleeve. According to the utility model, the connecting sleeve can be screwed into the threaded end part of the split bolt, and then the threaded end part of the fixing bolt is connected into the connecting sleeve in a threaded manner, so that the setting height of each fixing bolt can be controlled to be kept the same, the mounting quality of the fireproof layer and the heat-insulating layer is improved, the fixing bolt can be tightly combined with the protective layer, and the stress capacity of the fixing bolt is ensured.
Furthermore, the steel pipe column is provided with connecting bolts, the threaded end parts of the connecting bolts are welded on the steel pipe column, and the connecting bolts are arranged in the fireproof layer, the heat preservation layer and the protective layer. The arrangement of the connecting bolts enables the fireproof layer, the heat insulation layer and the steel plate composite wall to be connected together better.
Furthermore, a reinforcing mesh is arranged in the protective layer and fixedly connected with the fixing bolt, and meanwhile, the reinforcing mesh is fixedly connected with the connecting bolt, so that the reinforcing mesh is flatly arranged in the protective layer, and the bonding force of the protective layer is increased. According to the utility model, two layers of reinforcing mesh sheets are arranged in the protective layer, wherein one layer of reinforcing mesh sheet compresses the heat-insulating layer, and the other layer of reinforcing mesh sheet is used as a stressed reinforcing bar of the protective layer.
Furthermore, the outer surface of the protective layer is provided with a decorative layer, and the decorative layer can adopt decorative materials such as real stone paint, rock color paint and the like, so that the effect of protecting the internal structural layer from water is achieved.
Furthermore, the glass fiber net is embedded in the facing layer, the glass fiber net is not easy to shrink and deform, and the facing layer has good corrosion resistance, so that the facing layer can be better combined with the protective layer.
Furthermore, the fireproof layer adopts fireproof paint or cement mortar, and has a good fireproof effect.
Furthermore, the heat-insulating layer adopts a polymerized polystyrene board or a graphite modified expanded polystyrene board, and has a good heat-insulating effect.
Furthermore, the inoxidizing coating adopts cast in situ concrete for the inoxidizing coating has sufficient intensity, can play the guard action to flame retardant coating and heat preservation, and the concrete durability is good simultaneously, satisfies heat preservation and major structure requirement with the life-span.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the fireproof layer and the heat preservation layer are fixed by the fixing bolts, the protective layer is fixed by the fixing bolts fixedly connected to the steel plate composite wall, the fireproof layer, the heat preservation layer and the steel plate composite wall can be well connected together, the arrangement of a connecting seat is omitted, the size of the fixing bolts is small, the damage to the structures of the fireproof layer and the heat preservation layer can be avoided, the protective layer covers the outermost heat preservation layer, the protective layer plays a role in protection, the damage to the structures caused by the influence of the environment on the fireproof layer and the heat preservation layer is avoided, and the constructed outer heat preservation structure has fireproof and heat preservation effects.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a plan view of a cast-in-place external thermal insulation structure of a steel plate composite wall according to the present invention;
FIG. 2 is a perspective view of a cast-in-place external thermal insulation structure of a steel plate composite wall according to the present invention;
FIG. 3 is a schematic structural view of the split bolt and the fixing bolt fixedly connected by the connecting sleeve.
In the figure, 1-steel plate combined wall; 2-a fire-proof layer; 3, insulating layer; 4-fixing the bolt; 5-a protective layer; 6-steel pipe column; 7-corrugated steel plate; 8-split bolts; 9-concrete structure; 10-connecting bolts; 11-steel bar mesh; 12-a finishing layer; 13-a glass fiber web; 14-connecting the sleeve.
Detailed Description
As shown in fig. 1 to 3, the cast-in-place external thermal insulation structure for a steel plate composite wall of the present invention includes a steel plate composite wall 1, a fire-proof layer 2 and an insulation layer 3, wherein the fire-proof layer 2 is disposed between the steel plate composite wall 1 and the insulation layer 3.
The utility model also comprises a fixing bolt 4 and a protective layer 5, wherein the fixing bolt 4 is fixedly connected with the steel plate combined wall 1, the fixing bolt 4 is arranged in the fireproof layer 2 and the heat preservation layer 3, the protective layer 5 covers the whole outer surface of the heat preservation layer 3, and the end head of the fixing bolt 4 is arranged in the protective layer 5.
The fireproof layer 2 is made of fireproof paint or cement mortar, and has a good fireproof effect. The heat preservation layer 3 is made of A-grade heat preservation materials such as polymerized polystyrene boards or graphite modified expanded polystyrene boards and has a good heat preservation effect. The protective layer 5 adopts cast-in-place concrete, so that the protective layer 5 has enough strength, can play a role in protecting the fireproof layer 2 and the heat preservation layer 3, has good concrete durability, and meets the same service life requirement of the heat preservation layer 3 and the main structure.
According to the utility model, the fixing bolt 4 is fixed on the steel plate composite wall 1, in consideration of the special structure of the steel plate composite wall 1, the fireproof layer 2 of fireproof paint or cement mortar is arranged on the outer surface of the steel plate composite wall 1, the fixing bolt 4 penetrates through the fireproof layer 2, then the construction site of the heat insulation layer 3 is perforated and installed on the fixing bolt 4, at the moment, the fixing bolt 4 extends out of the heat insulation layer 3, then concrete is cast on the outer surface of the heat insulation layer 3 in situ, a protective layer 5 is covered, and the end head of the fixing bolt 4 is arranged in the protective layer 5.
According to the utility model, the fireproof layer 2 and the heat preservation layer 3 are fixed by the fixing bolts 4, meanwhile, the protective layer 5 is fixed by the fixing bolts 4 fixedly connected to the steel plate combined wall 1, the fireproof layer 2, the heat preservation layer 3 and the steel plate combined wall 1 can be well connected together, the arrangement of a connecting seat is cancelled, the size of the fixing bolts 4 is small, the damage to the structures of the fireproof layer 2 and the heat preservation layer 3 can be avoided, the protective layer 5 covers the outermost heat preservation layer 3, the protective layer 5 plays a protective role, the structure damage caused by the influence of the environment on the fireproof layer 2 and the heat preservation layer 3 is avoided, and the constructed outer heat preservation structure has fireproof and heat preservation effects.
The steel plate combination wall 1 can adopt a flat steel plate and a corrugated steel plate, and the corrugated steel plate has good stability, the buckling-resistant bearing capacity of the steel plate combination wall can be several times to dozens of times higher than that of the flat steel plate, the corrugated steel plate is restrained by concrete and a pull bolt, the bending-resistant shear bearing capacity is greatly improved, the concrete is also restrained by the corrugated steel plate and the pull bolt, the compressive strength of the concrete can be fully exerted, and the using amount of steel is obviously reduced. Therefore, the steel plate combination wall 1 of the utility model is designed by adopting a corrugated steel plate: the steel plate composite wall 1 comprises a corrugated steel plate 7 and a steel pipe column 6, wherein the steel pipe column 6 is a rectangular steel pipe column. Adopt two wave form steel sheet 7 welding between two steel-pipe column 6, be equipped with between two wave form steel sheet 7 to the stay bolt 8, adopt connecting piece fixed connection to stay bolt 8 and fixing bolt 4, be formed with the cavity between wave form steel sheet 7 and the steel-pipe column 6, all be equipped with concrete structure 9 in inside and the cavity of steel-pipe column 6, pass concrete structure 9 in the cavity to stay bolt 8. The split bolt 8 has enough strength, can be used for being connected with the fixed bolt 4, and solves the technical problem of how to fixedly connect the fixed bolt 4 with the steel plate combination wall 1.
The connecting piece adopts a connecting sleeve 14, and the threaded end part of the split bolt 8 and the threaded end part of the fixing bolt 4 are both screwed in the connecting sleeve 14. According to the utility model, the connecting sleeve 14 can be screwed into the threaded end part of the split bolt 8, and then the threaded end part of the fixing bolt 4 is connected into the connecting sleeve 14 in a threaded manner, so that the setting height of each fixing bolt 4 can be controlled to be kept the same, the installation quality of the fireproof layer 2 and the heat-insulating layer 3 is improved, the fixing bolt 4 can be ensured to be tightly combined with the protective layer 5, and the stress capacity of the fixing bolt 4 is ensured.
The steel-pipe column 6 is equipped with connecting bolt 10, and the screw thread tip welding of connecting bolt 10 is on steel-pipe column 6, and connecting bolt 10 is located among flame retardant coating 2, heat preservation 3 and inoxidizing coating 5. The arrangement of the connecting bolt 10 enables the fireproof layer 2, the heat insulation layer 3 and the steel plate combined wall 1 to be better connected together.
The protective layer 5 is internally provided with a steel bar net piece 11, the steel bar net piece 11 is fixedly connected with the fixing bolt 4, and the steel bar net piece 11 is fixedly connected with the connecting bolt 10, so that the steel bar net piece 11 is flatly arranged in the protective layer 5, and the bonding force of the protective layer 5 is increased. According to the utility model, two layers of reinforcing mesh sheets 11 are arranged in the protective layer 5, wherein one layer of reinforcing mesh sheet 11 compresses the heat-insulating layer 3, and the other layer of reinforcing mesh sheet 11 is used as a stress reinforcing steel bar of the protective layer 5.
The outer surface of the protective layer 5 is provided with a decorative layer 12, and the decorative layer 12 can be made of decorative materials such as real stone paint, rock color paint and the like, and plays a role in protecting the internal structural layer from water. The glass fiber net 13 is embedded in the facing layer 12, the glass fiber net 13 is not easy to shrink and deform, and the corrosion resistance is good, so that the facing layer 12 can be better combined with the protective layer 5.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (10)
1. A cast-in-place external thermal insulation structure of a steel plate composite wall comprises:
a steel plate combined wall;
a fire barrier layer;
the fireproof layer is arranged between the steel plate composite wall and the heat insulation layer;
it is characterized by also comprising:
the fixing bolt is fixedly connected with the steel plate composite wall and is arranged in the fireproof layer and the heat insulation layer;
the protective layer covers the whole outer surface of the heat preservation layer, and the end of the fixing bolt is arranged in the protective layer.
2. The cast-in-place external thermal insulation structure of the steel plate composite wall as claimed in claim 1, wherein the steel plate composite wall comprises corrugated steel plates and steel pipe columns, the two corrugated steel plates are welded between the two steel pipe columns, a split bolt is arranged between the two corrugated steel plates, the split bolt and the fixing bolt are fixedly connected by a connecting piece, a cavity is formed between the corrugated steel plates and the steel pipe columns, concrete structures are arranged inside the steel pipe columns and in the cavity, and the split bolt penetrates through the concrete structures in the cavity.
3. The cast-in-place external thermal insulation structure of a steel plate composite wall as claimed in claim 2, wherein the connecting member is a connecting sleeve, and the threaded end portion of the split bolt and the threaded end portion of the fixing bolt are both screwed in the connecting sleeve.
4. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 2, wherein the steel pipe column is provided with a connecting bolt, the threaded end portion of the connecting bolt is welded on the steel pipe column, and the connecting bolt is arranged in the fire-proof layer, the thermal insulation layer and the protective layer.
5. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 4, wherein two layers of steel mesh sheets are arranged in the protective layer, the steel mesh sheets are fixedly connected with the fixing bolts, and the steel mesh sheets are fixedly connected with the connecting bolts, wherein one layer of the steel mesh sheets compresses the thermal insulation layer, and the other layer of the steel mesh sheets is used as stressed steel bars of the protective layer.
6. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 1, wherein a finishing layer is provided on the outer surface of the protective layer.
7. The cast-in-place external thermal insulation structure of the steel plate composite wall as claimed in claim 6, wherein the facing layer is embedded with a glass fiber net.
8. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 1, wherein the fire-proof layer is made of fire-proof paint or cement mortar.
9. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 1, wherein the thermal insulation layer is made of polymerized polystyrene board or graphite modified expanded polystyrene board.
10. The cast-in-place external thermal insulation structure for the steel plate composite wall as claimed in claim 1, wherein the protective layer is made of cast-in-place concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121917349.3U CN215888706U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place external thermal insulation structure of steel plate composite wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121917349.3U CN215888706U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place external thermal insulation structure of steel plate composite wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215888706U true CN215888706U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121917349.3U Active CN215888706U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place external thermal insulation structure of steel plate composite wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215888706U (en) |
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2021
- 2021-08-16 CN CN202121917349.3U patent/CN215888706U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd. Address before: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |