CN212801975U - Steel beam and floor joint fireproof structure - Google Patents
Steel beam and floor joint fireproof structure Download PDFInfo
- Publication number
- CN212801975U CN212801975U CN202021243086.8U CN202021243086U CN212801975U CN 212801975 U CN212801975 U CN 212801975U CN 202021243086 U CN202021243086 U CN 202021243086U CN 212801975 U CN212801975 U CN 212801975U
- Authority
- CN
- China
- Prior art keywords
- fireproof
- panel
- steel
- fireproof panel
- steel beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model provides a fireproof structure for a joint of a steel beam and a floor slab, which comprises a floor slab, a steel beam, a fireproof panel, a fireproof plate, a metal corner protecting belt and a vertical keel; the bottom surface of the floor slab is connected with two opposite angle steels through expansion bolts, and steel beams are welded between the two angle steels; fireproof panels are built on two sides of the steel beam; the inner side surface of the fireproof panel is provided with a fireproof plate which is fixedly connected by a steel nail penetrating through the fireproof panel; the bottom end of the outer side surface of the fireproof panel is provided with a metal angle bead belt through a steel nail, the metal angle bead belts on two sides support a layer of fireproof panel parallel to the bottom surface of the steel beam, and the top surface of the fireproof panel is connected with a fireproof plate which is staggeredly jointed with the fireproof panel through the steel nail; the fireproof panel bottom surface of girder steel bottom surface is provided with the vertical keel, and this vertical keel top surface passes through the steel nail with metal angle bead area to be connected, and has laid the panel between vertical keel both sides and the metal angle bead area, and this panel is refractory material layer.
Description
Technical Field
The utility model relates to a building field especially relates to a girder steel and floor handing-over node fire resistive construction.
Background
Building fire prevention is one of the most important rings of building safety protection, and the high temperature resistance, fire insulation, fire protection sprinkler system, ventilation system and the like of building materials are one of the major acceptance standards of building quality. The joint nodes of the steel beams and the floor slabs are large in number and uniform in distribution in the building, and once the fire prevention measures are not in place, serious damage can be caused under the fire condition, and the use is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect with not enough, provide a girder steel and floor handing-over node fire resistive construction, this structure carries out multiple isolation protection to the handing-over node through the flame retardant coating of fire prevention panel and the double alternate fissure of fire prevention board, and structure self is little to the load of node simultaneously, does not influence bearing support structure.
In order to achieve the above object, the utility model adopts the following technical scheme: a fireproof structure for a joint of a steel beam and a floor slab comprises the floor slab, the steel beam, a fireproof panel, a fireproof plate, a metal corner protection belt and a vertical keel; the bottom surface of the floor slab is connected with two opposite angle steels through expansion bolts, and steel beams are welded between the two angle steels; the steel beam is of an I-shaped steel structure, fireproof panels are built on two sides of the steel beam and fixedly connected to the angle steel through steel nails; the fireproof panel is characterized in that a fireproof plate is arranged on the inner side face of the fireproof panel, plate seams of the fireproof plate and the fireproof panel are staggered, and the fireproof plate is fixedly connected by a steel nail penetrating through the fireproof panel; the bottom end of the outer side surface of the fireproof panel is provided with a metal angle bead belt through a steel nail, the metal angle bead belt is attached to the outer side surface and the bottom surface of the fireproof panel, extends towards the center direction of the steel beam along the bottom surface and then bends downwards, the metal angle bead belts on the two sides support a layer of fireproof panel parallel to the bottom surface of the steel beam, and the top surface of the fireproof panel is connected with a fireproof plate which is staggeredly jointed with the fireproof panel through the steel nail; the fireproof panel bottom surface of girder steel bottom surface is provided with the vertical keel, and this vertical keel top surface passes through the steel nail with metal angle bead area to be connected, and has laid the panel between vertical keel both sides and the metal angle bead area, and this panel is refractory material layer.
Preferably, the corner of the joint of the floor bottom surface and the fireproof panel and the corner of the joint of the fireproof panel and the panel are provided with sealing structures formed by caulking glue.
Preferably, the thickness of the fireproof panel and the fireproof plate is not less than 25mm, and the staggered distance between the gaps of the fireproof panel and the fireproof plate is not less than 100 mm.
The utility model has the advantages that: this structure carries out multiple isolation protection to handing-over node through the flame retardant coating of the double alternate fissure of fire prevention panel and PLASTIC LAMINATED, and structure self is little to the load of node simultaneously, does not influence bearing support structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic view of a fireproof structure of a connection joint of a steel beam and a floor slab.
Wherein: 1 is the floor, 2 is the girder steel, 21 is the angle steel, 3 is fire-resistant panel, 4 is the PLASTIC LAMINATED, 5 is the metal angle bead area, 6 is the vertical keel, 61 is the panel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the fireproof structure of the joint of the steel beam and the floor slab comprises a floor slab 1, the steel beam 2, a fireproof panel 3, a fireproof plate 4, a metal corner protecting strip 5 and a vertical keel 6; the bottom surface of the floor slab 1 is connected with two opposite angle steels 21 through expansion bolts, and a steel beam 2 is welded between the two angle steels 21; the steel beam 2 is of an I-shaped steel structure, fireproof panels 3 are built on two sides of the steel beam 2, and the fireproof panels 3 are fixedly connected to the angle steel 21 through steel nails; the fireproof panel 3 is provided with a fireproof plate 4 on the inner side, the fireproof plate 4 and the plate seam of the fireproof panel 3 are staggered, and the fireproof plate 4 is fixedly connected by a steel nail penetrating through the fireproof panel 3; the bottom end of the outer side surface of the fireproof panel 3 is provided with a metal angle bead belt 5 through a steel nail, the metal angle bead belt 5 is attached to the outer side surface and the bottom surface of the fireproof panel 3, extends towards the center of the steel beam 2 along the bottom surface and then bends downwards, a layer of fireproof panel 3 parallel to the bottom surface of the steel beam 2 is supported on the metal angle bead belts 5 at two sides, and the top surface of the fireproof panel 3 is connected with a fireproof plate 4 which is staggeredly jointed with the fireproof panel through the steel nail; 3 bottom surfaces of the fire prevention panel of 2 bottom surfaces of girder steel are provided with vertical keel 6, and 6 top surfaces of this vertical keel pass through the steel nail with metal angle bead area 5 and are connected, and has laid panel 61 between 6 both sides of vertical keel and the metal angle bead area 5, and this panel 61 is refractory material layer.
During the concrete implementation, the sealing structure that caulking glue formed is all provided with at floor 1 bottom surface and 3 handing-over department bights of fire prevention panel, fire prevention panel 3 and panel 61 handing-over department bight.
During the concrete implementation, fireproof panel 3 and fireproof plate 4 thickness are all not less than 25mm, and the staggered distance between the clearance of fireproof panel 3 and fireproof plate 4 is not less than 100 mm.
Claims (3)
1. The utility model provides a girder steel and floor handing-over node fire resistive construction which characterized in that: comprises a floor slab, a steel beam, a fireproof panel, a fireproof plate, a metal corner protecting strip and a vertical keel; the bottom surface of the floor slab is connected with two opposite angle steels through expansion bolts, and steel beams are welded between the two angle steels; the steel beam is of an I-shaped steel structure, fireproof panels are built on two sides of the steel beam and fixedly connected to the angle steel through steel nails; the fireproof panel is characterized in that a fireproof plate is arranged on the inner side face of the fireproof panel, plate seams of the fireproof plate and the fireproof panel are staggered, and the fireproof plate is fixedly connected by a steel nail penetrating through the fireproof panel; the bottom end of the outer side surface of the fireproof panel is provided with a metal angle bead belt through a steel nail, the metal angle bead belt is attached to the outer side surface and the bottom surface of the fireproof panel, extends towards the center direction of the steel beam along the bottom surface and then bends downwards, the metal angle bead belts on the two sides support a layer of fireproof panel parallel to the bottom surface of the steel beam, and the top surface of the fireproof panel is connected with a fireproof plate which is staggeredly jointed with the fireproof panel through the steel nail; the fireproof panel bottom surface of girder steel bottom surface is provided with the vertical keel, and this vertical keel top surface passes through the steel nail with metal angle bead area to be connected, and has laid the panel between vertical keel both sides and the metal angle bead area, and this panel is refractory material layer.
2. The steel beam and floor joint fire protection structure of claim 1, wherein: floor bottom surface and fire prevention panel handing-over department bight, fire prevention panel and panel handing-over department bight all are provided with the seal structure that the caulking glue formed.
3. The steel beam and floor joint fire protection structure of claim 1, wherein: the thickness of the fireproof panel and the fireproof plate is not less than 25mm, and the staggered distance between the gaps of the fireproof panel and the fireproof plate is not less than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243086.8U CN212801975U (en) | 2020-06-29 | 2020-06-29 | Steel beam and floor joint fireproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243086.8U CN212801975U (en) | 2020-06-29 | 2020-06-29 | Steel beam and floor joint fireproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212801975U true CN212801975U (en) | 2021-03-26 |
Family
ID=75098856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243086.8U Active CN212801975U (en) | 2020-06-29 | 2020-06-29 | Steel beam and floor joint fireproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212801975U (en) |
-
2020
- 2020-06-29 CN CN202021243086.8U patent/CN212801975U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7770346B2 (en) | Fire-retardant cementitious shear board having metal backing with tab for use as underlayment panel for floor or roof | |
| CN104100037A (en) | Combined flat beam | |
| CN212801975U (en) | Steel beam and floor joint fireproof structure | |
| JP6758137B2 (en) | Fireproof bulkhead | |
| CN103495793A (en) | Improved construction method for hoisting and welding large-tonnage cast steel component complex joints | |
| CN108824651B (en) | Assembly type steel structure building main body connecting structure and mounting method thereof | |
| CN207376859U (en) | A kind of curtain wall interlayer fire-proof isolation belt structure | |
| KR100835322B1 (en) | Bracket for fixing curtain wall | |
| CN212271684U (en) | Fireproof plugging reinforcing structure | |
| CN210067180U (en) | Fabricated steel structure public building floor system | |
| CN215519303U (en) | Fireproof structure | |
| JP2002369891A (en) | Fire limit wall | |
| JP3549506B2 (en) | Joint structure and joining method of fire-resistant partition walls and columns / beams | |
| JP6508289B2 (en) | Construction method of composite coated fireproof structure of steel frame column | |
| CN114775875B (en) | Hollow precast floor slab hoisting steel frame | |
| JP4027703B2 (en) | Roof panel, roof construction method, fireproof roof structure and fireproof building structure | |
| CN218758100U (en) | Embedded crossbeam formula ALC prevents hot wall | |
| CN210032159U (en) | Reinforced steel structure bearing beam for constructional engineering | |
| CN213509077U (en) | Light gauge steel partition wall and girder steel connection structure | |
| CN212053445U (en) | Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof | |
| CN218522115U (en) | Connecting keel and fireproof wall plate structure thereof | |
| CN215670181U (en) | Fireproof structure at deformation joint of building | |
| CN216948953U (en) | Integrated fireproof partition panel | |
| CN115897851B (en) | Assembled composite shear wall system | |
| CN220225923U (en) | Fireproof cladding steel structure beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |