CN215519303U - Fireproof structure - Google Patents
Fireproof structure Download PDFInfo
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- CN215519303U CN215519303U CN202023288198.8U CN202023288198U CN215519303U CN 215519303 U CN215519303 U CN 215519303U CN 202023288198 U CN202023288198 U CN 202023288198U CN 215519303 U CN215519303 U CN 215519303U
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Abstract
The utility model discloses a fire protection structure, which comprises: a wall body; the crossbeam is arranged above the wall body; one end of the anti-bending edge beam is connected with the wall body, and the other end of the anti-bending edge beam is connected with the cross beam; the deformation area is arranged at the joint of the anti-bending edge beam, the cross beam and the wall body; and the first fireproof layer is arranged on the outer side of the deformation area and is respectively connected with the wall body and the cross beam. According to the fireproof structure in the embodiment of the utility model, the wall body and the cross beam are connected through the anti-bending edge beam, and the first fireproof layer is arranged outside the formed deformation area, so that the fireproof performance of the deformation area can be continued on the premise of ensuring the effective connection of the cross beam and the wall body, and the fireproof performance of the whole fireproof structure is not weakened.
Description
Technical Field
The utility model relates to the technical field of fireproof buildings, in particular to a fireproof structure.
Background
The fire-resistant smoke-proof partition wall is a wall body which is arranged in a fire-proof partition of a building and is composed of incombustible bodies, and is used for reducing or avoiding the damage of buildings, structures and equipment caused by heat radiation and preventing fire spreading and smoke from passing through.
The profiled steel sheet composite floor slab is formed by casting the profiled steel sheets with alternate concave and convex as lining boards and cast-in-place concrete and supporting the profiled steel sheets on steel beams.
In order to ensure effective connection of a wall body and a floor slab in the prior art, the top of the wall body needs to be directly connected with a steel beam lower flange, so that the steel beam lower flange at the contact position with the wall body cannot be used as fireproof paint, and the part is a fireproof weak point, so that the steel beam is a risk.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide a fireproof structure, and aims to solve the problem that the joint of a lower flange of a steel beam and a wall in the prior art is weak in fireproof.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a fireproof structure, which comprises a wall body, and further comprises:
the crossbeam is arranged above the wall body;
one end of the anti-bending edge beam is connected with the wall body, and the other end of the anti-bending edge beam is connected with the cross beam;
the deformation area is arranged at the joint of the anti-bending edge beam, the cross beam and the wall body;
and the first fireproof layer is arranged on the outer side of the deformation area and is respectively connected with the wall body and the cross beam.
Further, in the fireproof structure, the wall body comprises a keel frame and a fireproof plate, and the keel frame comprises an upper guide rail and a support frame; the top guide rail is connected with the anti-bending edge beam, the support frame is embedded into one end of the anti-bending edge beam and connected with the top guide rail, and the fire-resistant plate covers the outer side of the keel frame and is connected with the first fire-resistant layer.
Further, among the fire resistive construction, the deformation zone intussuseption is filled with the rock wool.
Further, in the fireproof structure, the beam comprises a second fireproof layer, an upper flange, a web and a lower flange; the web is vertically connected between the upper flange and the lower flange, and the second fireproof layer is connected with the first fireproof layer and wraps the peripheries of the upper flange, the web and the lower flange.
Furthermore, among the fire resistive construction, still include the connecting piece, the connecting piece symmetry sets up the both sides of bottom flange and with prevent that the bending is connected along the other end of boundary beam.
Further, in the fireproof structure, the center-to-center distance between the connecting pieces is 400 mm.
Further, in the fireproof structure, the beam is in an I shape.
Further, in the fireproof structure, the thickness of the deformation area is less than 20 mm.
Further, in the fireproof structure, the fireproof plate is a gypsum board.
The technical scheme adopted by the utility model has the following beneficial effects:
the fire protection structure provided by the utility model comprises: a wall body; the crossbeam is arranged above the wall body; one end of the anti-bending edge beam is connected with the wall body, and the other end of the anti-bending edge beam is connected with the cross beam; the deformation area is arranged at the joint of the anti-bending edge beam, the cross beam and the wall body; and the first fireproof layer is arranged on the outer side of the deformation area and is respectively connected with the wall body and the cross beam. According to the fireproof structure in the embodiment of the utility model, the wall body and the cross beam are connected through the anti-bending edge beam, and the first fireproof layer is arranged outside the formed deformation area, so that the fireproof performance of the deformation area can be continued on the premise of ensuring the effective connection of the cross beam and the wall body, and the fireproof performance of the whole fireproof structure is not weakened.
Drawings
Fig. 1 is a schematic view of an overall structure of a fire protection structure according to the present invention;
fig. 2 is a schematic view of an operating state of a fire protection structure according to the present invention.
In the figure: 100. a wall body; 200. a cross beam; 300. the anti-bending edge beam; 400. a deformation zone; 500. a first fire resistant layer; 110. a keel frame; 120. a refractory plate; 111. a top rail; 112. a support frame; 410. rock wool; 210. a second fire-resistant layer; 220. an upper flange; 230. a web; 240. a lower flange; 600. a connecting member; 700. the underside of the roof deck.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The top of the wall body is directly connected with the steel beam bottom flange in the prior art, so that the steel beam bottom flange at the contact position with the wall body cannot be made of fireproof paint, the connection mode belongs to hard connection, the sealing performance is poor, fire channeling and smoke spreading easily occur when a fire disaster occurs, the connection mode also belongs to rigid connection, and reasonable deformation of the wall body cannot be buffered when vibration occurs.
Therefore, the present invention discloses a fire-proof structure, please refer to fig. 1 and fig. 2, fig. 1 is a schematic view of the overall structure of a fire-proof structure provided by the present invention; fig. 2 is a schematic view of an operating state of a fire protection structure according to the present invention. The fire protection structure includes: a wall body 100; the beam 200 is arranged above the wall body 100; one end of the anti-bending edge beam 300 is connected with the wall body 100, and the other end is connected with the cross beam 200; the deformation area 400 is arranged at the joint of the anti-bending edge beam 300, the cross beam 200 and the wall body 100; and a first fireproof layer 500 disposed outside the deformation region 400 and connected to the wall body 100 and the beam 200, respectively.
In the embodiment of the present invention, the wall body 100 is disposed under the cross member 200, the cross member 200 is configured to be connected to the bottom surface 700 of a roof deck, the bending prevention edge beam 300 is configured to connect the bottom of the cross member 200 to the top of the wall body 100, and the deformation region 400 is configured to be provided with a fireproof material or a fireproof paint and to cushion the deformation of the wall body 100, thereby improving the earthquake prevention performance of the wall body 100; the first fire-blocking layer 500 serves to give the deformation zone 400 fire-blocking protection and is connected to the wall body 100 and the beam 200 such that the fire-blocking properties of the deformation zone 400 are continuous.
According to the fireproof structure provided by the utility model, the effective connection between the cross beam 200 and the wall body 100 is ensured through the anti-bending edge beam 300, and the cross beam 200 is connected with the wall body 100 through the anti-bending edge beam 300 instead of being directly connected with the wall body 100, so that the deformation of the wall body 100 is effectively buffered through the anti-bending edge beam 300; the provision of the first fire-blocking layer 500 outside the deformation zone 400 ensures that the fire-blocking properties of the deformation zone 400 are continuous, so that the fire-blocking properties of the entire fire-blocking structure are not impaired.
Specifically, the thickness of the deformation region 400 is less than 20 mm, that is, the thickness of the first fireproof layer 500 disposed on the deformation region 400 is 20 mm at the maximum, so as to ensure overlapping contact with both the top of the wall 100 and the lower portion of the beam 200, thereby ensuring sealing between the top of the wall 100 and the lower portion of the beam 200, and effectively blocking fire spreading and smoke penetration.
Wherein, the first fireproof layer 500 can be formed by spraying protective paint, and optionally, the bending prevention is C-shaped along the edge beam 300.
As a further scheme, the wall body 100 comprises a keel frame 110 and a fire-resistant plate 120, wherein the keel frame 110 comprises an upper guide rail 111 and a support frame 112; the top guide rail 111 is connected with the anti-bending edge beam 300, the support frame 112 is embedded into one end of the anti-bending edge beam 300 and connected with the top guide rail 111, and the fire-resistant plate 120 is covered outside the keel frame 110 and connected with the first fire-resistant layer 500.
In the embodiment of the utility model, the anti-bending edge beam 300 is made of C-shaped steel, the top guide rail 111 and the support frame 112 are made of the same material and are made of non-stressed light steel keels, the top guide rail 111 is transversely arranged in the anti-bending edge beam 300, and the support frame 112 and one end of the anti-bending edge beam 300 are in a nested relation. The fire-resistant plate 120 is used for fire protection of the wall 100, wherein the fire-resistant plate 120 is not covered to the deformation zone 400 and is connected with the first fire-resistant layer 500 only, so that the continuity of fire protection is ensured. It should be understood that the number of layers of the refractory plate 120 is not a limitation of the present invention. In practical use, the thickness and number of layers of the refractory plate 120 should be selected according to the refractory time limit requirement of the whole wall 100.
Optionally, the fire-resistant board 120 is a gypsum board (the gypsum board is a material made of building gypsum, which is a building material with light weight, high strength, thin thickness, convenient processing, and good sound and heat insulation and fire prevention).
As a further proposal, the deformation zone 400 is filled with rock wool 410. In particular, the rock wool 410 is commonly used for heat preservation of external wall buildings, and has the effects of energy conservation, environmental protection, fire prevention and sound insulation. The rock wool 410 is filled in the deformation area 400, so that the fireproof performance in the deformation area 400 is not lower than that of the wall body 100.
As a further alternative, the cross beam 200 includes a second fire-retardant layer 210, an upper flange 220, a web 230 and a lower flange 240; the web 230 is vertically connected between the upper flange 220 and the lower flange 240, and the second fireproof layer 210 is connected with the first fireproof layer 500 and wraps around the upper flange 220, the web 230 and the lower flange 240.
In the embodiment of the present invention, the cross beam 200 is i-shaped, and the entire second fireproof layer 210 is adapted to the shape of the cross beam 200 and completely wraps around the upper flange 220, the web 230 and the lower flange 240. The lower flange 240 is used for being connected with the anti-bending edge beam 300, and is connected with the top guide rail 111 through the anti-bending edge beam 300; the upper flange 220 is adapted to be connected to a bottom surface 700 of a roof deck, and the web 230 is perpendicular to the upper and lower flanges 220 and 240 and adapted to connect the upper and lower flanges 220 and 240.
Optionally, the material of the second flame retardant layer 210 is the same as that of the first flame retardant layer 500.
Specifically, the fireproof structure further includes a connecting member 600, wherein the connecting member 600 is symmetrically disposed on two sides of the lower flange 240 and connected to the other end of the anti-bending edge beam 300. The connecting member 600 penetrates through the second fireproof layer 210 to be detachably connected with the lower flange 240, the center distance between the connecting members 600 is 400 mm, and optionally, the connecting members 600 are bolts.
The working principle of the fire protection structure is described in detail below:
the top rail 111 and the bottom flange 240 are connected along the edge beam 300 by the bending prevention, so that the cross beam 200 is effectively connected with the wall body 100. And the cross beam 200 is connected with the wall 100 through the anti-bending edge beam 300, rather than being directly connected with the wall 100, the anti-bending edge beam 300 effectively buffers the deformation of the wall 100; the provision of the first fire-blocking layer 500 outside the deformation zone 400 ensures that the fire-blocking properties of the deformation zone 400 are continuous, so that the fire-blocking properties of the entire fire-blocking structure are not impaired.
The utility model has the following beneficial effects:
1. the connection between the beam 200 and the wall 100 is realized through the anti-bending edge beam 300, the rigid connection mode between the beam 200 and the wall 100 is changed, the reasonable deformation of the wall 100 can be buffered, and the anti-vibration performance of the wall 100 is improved.
2. The bending-proof edge beam 300, the cross beam 200 and the wall 100 are connected to form a deformation zone 400, and the refractory boards 120 are not installed in the deformation zone 400, that is, the refractory boards 120 are not installed at the bending-proof edge beam 300, which mainly aims to ensure that the joint of the refractory boards 120 is not cracked when the keel frame 110 and the bending-proof edge beam 300 are reasonably deformed, ensure the anti-seismic performance, and simultaneously avoid the second fireproof layer 210 on the keel frame from falling off due to the contact with the lower flange 240 of the cross beam 200 during the construction of the refractory boards 120.
3. The rock wool 410 is filled in the deformation area 400, so that the fire resistance of the joint of the anti-bending edge beam 300 and the cross beam 200 and the wall body 100 is not lower than that of the wall body 100.
4. After the deformation area 400 is filled with rock wool 410, a first fireproof layer 500 is arranged on the outer side of the deformation area 400, protective paint is sprayed, and the first fireproof layer 500 is overlapped with the second fireproof layer 210 on the lower flange 240 of the beam 200 and the two sides of the fireproof plate 120 by 20 mm, so that the sealing between the wall body 100 and the lower flange 240 of the beam 200 is ensured, and the fire spreading and smoke passing are effectively prevented.
5. The fireproof structure can also ensure the continuity of the fireproof performance of the joint of the anti-bending edge beam 300 and the cross beam 200 and the wall body 100 (the first fireproof layer 500 is connected with the second fireproof layer 210) on the premise of ensuring the effective connection of the cross beam 200 and the wall body 100, thereby ensuring that the fireproof performance of the whole fireproof structure is not weakened.
In summary, the present invention provides a fire protection structure, which includes: a wall body; the crossbeam is arranged above the wall body; one end of the anti-bending edge beam is connected with the wall body, and the other end of the anti-bending edge beam is connected with the cross beam; the deformation area is arranged at the joint of the anti-bending edge beam, the cross beam and the wall body; and the first fireproof layer is arranged on the outer side of the deformation area and is respectively connected with the wall body and the cross beam. According to the fireproof structure in the embodiment of the utility model, the wall body and the cross beam are connected through the anti-bending edge beam, and the first fireproof layer is arranged outside the formed deformation area, so that the fireproof performance of the deformation area can be continued on the premise of ensuring the effective connection of the cross beam and the wall body, and the fireproof performance of the whole fireproof structure is not weakened.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
Claims (9)
1. A fire resistive construction, includes the wall body, its characterized in that still includes:
the crossbeam is arranged above the wall body;
one end of the anti-bending edge beam is connected with the wall body, and the other end of the anti-bending edge beam is connected with the cross beam;
the deformation area is arranged at the joint of the anti-bending edge beam, the cross beam and the wall body;
and the first fireproof layer is arranged on the outer side of the deformation area and is respectively connected with the wall body and the cross beam.
2. The fire protection structure of claim 1, wherein said wall comprises a keel frame and a fire resistant panel, said keel frame comprising an overhead rail and a support bracket; the top guide rail is connected with the anti-bending edge beam, the support frame is embedded into one end of the anti-bending edge beam and connected with the top guide rail, and the fire-resistant plate covers the outer side of the keel frame and is connected with the first fire-resistant layer.
3. A fire protection architecture according to claim 2, wherein the deformation zone is filled with rock wool.
4. The fire protection structure of claim 3, wherein the beam includes a second fire protection layer, an upper flange, a web, and a lower flange; the web is vertically connected between the upper flange and the lower flange, and the second fireproof layer is connected with the first fireproof layer and wraps the peripheries of the upper flange, the web and the lower flange.
5. The fire protection structure of claim 4, further comprising connectors symmetrically disposed on both sides of the lower flange and connected to the other end of the anti-buckling edge beam.
6. A fire protection architecture according to claim 5, wherein the centre-to-centre spacing between the connectors is 400 mm.
7. A fire protection architecture according to claim 6, wherein said cross-beams are I-shaped.
8. The fire protection structure of claim 1, wherein the thickness of the deformation zone is less than 20 mm.
9. The fire protection structure of claim 2, wherein said fire resistant board is a gypsum board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023288198.8U CN215519303U (en) | 2020-12-29 | 2020-12-29 | Fireproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023288198.8U CN215519303U (en) | 2020-12-29 | 2020-12-29 | Fireproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215519303U true CN215519303U (en) | 2022-01-14 |
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ID=79786344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023288198.8U Active CN215519303U (en) | 2020-12-29 | 2020-12-29 | Fireproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215519303U (en) |
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2020
- 2020-12-29 CN CN202023288198.8U patent/CN215519303U/en active Active
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