CN218028282U - Steel construction fire prevention prefabricated module and steel construction fire protection system - Google Patents
Steel construction fire prevention prefabricated module and steel construction fire protection system Download PDFInfo
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- CN218028282U CN218028282U CN202220552411.1U CN202220552411U CN218028282U CN 218028282 U CN218028282 U CN 218028282U CN 202220552411 U CN202220552411 U CN 202220552411U CN 218028282 U CN218028282 U CN 218028282U
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Abstract
The utility model provides a prefabricated module of steel construction fire prevention, wherein, contain a casing, the casing comprises at least one curved surface or two at least adjacent planes and partly surrounds the structure, forms the open cavity of a side, cavity both ends opening, the casing is once taken shape by fire-proof material and is made. The utility model also provides a steel construction fire protection system, steel structural component are located in the cavity for steel structural component is located the enclosure space or a plurality of that steel construction fire prevention prefabricated module and wall or floor plate formed in the enclosure space that steel construction fire prevention prefabricated module formed, steel structural component and steel construction fire prevention prefabricated module and wall or floor plate all contactless, be connected with high temperature resistant adhesive between steel construction fire prevention prefabricated module and wall or the floor plate, it is a plurality of also connect with high temperature resistant adhesive between the steel construction fire prevention prefabricated module.
Description
Technical Field
The utility model discloses a belong to building steel construction fire prevention field, specifically speaking belongs to and relates to a prefabricated module of steel construction fire prevention and steel construction fire protection system.
Background
The steel structure building engineering has the advantages of light structure dead weight, high strength, good plastic toughness, good shock resistance, high industrialization degree and short construction period, and is particularly well applied to public buildings and large-span building engineering. But the market application of the iron-frame steel structure is still small compared with the concrete building. One of the reasons is that the quality of the steel member fire protection project is difficult to guarantee, the fire protection construction is complex, and the project cost is high.
At present, the fire prevention engineering of the steel structural member mainly has two modes: spraying fireproof paint and coating the fireproof plate. The spraying method of the fireproof coating has the following disadvantages: firstly, the fireproof coating spraying construction is carried out on site spraying after the steel structural member engineering installation is finished, the spraying quality (such as thickness and uniformity) is difficult to ensure, and the environmental pollution is caused; secondly, after the fireproof coating is sprayed, the steel structural member still needs to be welded with connecting members such as tie bars and metal clamping pieces required by wall engineering, so that the fireproof coating layer is damaged; and thirdly, finishing the decoration engineering of the component after finishing the fireproof spraying (such as coating of a ceiling and a decorative plate). The method for coating the steel member by the fire-proof plate has the following disadvantages: the fire-proof plate cladding needs to weld the supporting piece on the steel structural member, then the screw is connected with the fire-proof plate, the screw is a fire-proof weak point, and the scheme has high construction difficulty and high cost. Meanwhile, the two fire prevention methods cannot be synchronously constructed with the wall of the building, and the period is long.
The utility model discloses try to provide a new technical scheme promptly to solve above-mentioned problem.
Disclosure of Invention
The utility model provides a prefabricated module of steel construction fire prevention, wherein, contain a casing, the casing comprises at least one curved surface or two at least adjacent planes and partly surrounds the structure, forms the open cavity of a side, cavity both ends opening, the casing is once taken shape by fire-proof material and is made.
Preferably, the steel structure fireproof prefabricated module is U-shaped, L-shaped or arc-shaped in cross section.
Preferably, in the steel structure fireproof prefabricated module, a surface of the shell close to the cavity is an inner surface, a surface opposite to the inner surface is an outer surface, and surfaces of the shell except the inner surface and the outer surface are edge surfaces, wherein the shell is provided with a metal embedded part which is exposed out of the shell from the edge surfaces.
Preferably, the fireproof prefabrication module for the steel structure is provided with at least one cylindrical groove or one cylindrical protrusion in the axial direction on the inner surface or the outer surface.
Preferably, the steel structure fireproof prefabrication module, wherein the shell surface or the interior of the steel structure fireproof prefabrication module contains a punching/shearing damage resistant material layer.
Preferably, the steel structure fireproof prefabricated module, wherein the anti-punching/shearing material layer is an alkali-resistant glass fiber mesh or a hot-dip galvanized electric welding mesh.
Preferably, the steel structure fireproof prefabrication module is prefabricated by cement, gypsum and fireproof components.
The utility model also provides a steel construction fire protection system, steel structural component are located in the cavity for steel structural component is located the enclosure space or a plurality of that steel construction fire prevention prefabricated module and wall or floor plate formed in the enclosure space that steel construction fire prevention prefabricated module formed, steel structural component and steel construction fire prevention prefabricated module and wall or floor plate all contactless, be connected with high temperature resistant adhesive between steel construction fire prevention prefabricated module and wall or the floor plate, it is a plurality of also connect with high temperature resistant adhesive between the steel construction fire prevention prefabricated module.
Preferably, the steel structure fire protection system, wherein a filler is provided within the cavity.
Preferably, any one steel construction fire protection system, wherein contain a plurality of steel construction fire protection prefabricated module, a plurality of steel construction fire protection prefabricated module are along steel structural component radial arrangement.
Preferably, steel construction fire protection system, wherein, contain at least one connecting piece, the connecting piece is located between two steel construction fire protection prefabricated modules, the connecting piece includes fixed part and connecting portion, fixed part and steel structural member rigid coupling, connecting portion follow the gap between two steel construction fire protection prefabricated modules, or trompil stretches out enclosure space on prefabricated module, the gap between two steel construction fire protection prefabricated modules is filled with fire-proof material.
Drawings
FIG. 1 is a block diagram of an embodiment;
FIG. 2 is a cross-sectional view of a U-shaped steel structure fireproof prefabricated module of a floor slab steel beam part in the embodiment;
FIG. 3 is a cross-sectional view of an L-shaped steel structure fireproof prefabricated module of a floor slab steel beam part in the embodiment;
FIG. 4 is a cross-sectional view of a section of a steel column of a wall in accordance with an embodiment;
in the figure: 1-floor plate steel beam, 2-wall steel column, 21-L section steel structure fireproof prefabrication module, 22-floor plate U-section steel structure fireproof prefabrication module, 23-wall surface U-section steel structure fireproof prefabrication module, 201-embedded part, 202-filler, 203-column protrusion, 204-alkali-resistant glass fiber mesh cloth 3-connecting part, 31-connecting part, 32-fixing part, 8-wall surface, 9-floor plate.
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, a steel structure fire protection system includes floor slabs 1 for supporting floor slabs 9, and steel columns 2 for supporting wall surfaces 8.
As shown in FIG. 2, a fire-proof prefabricated module 22 of U-shaped steel structure is prefabricated by cement, industrial by-product gypsum and fire-resistant components. In order to increase the punching resistance and the shearing strength, an alkali-resistant fiberglass mesh interlayer 22 is arranged in the glass fiber mesh. At the bottom of the U-shape, a cylindrical protrusion 203 is radially provided. U shaped steel structure fire prevention prefabricated module edge sets up metal built-in fitting 201 for be connected U shaped steel structure fire prevention prefabricated module 22 and floor board 9.
As shown in FIG. 3, an L-shaped steel structure fireproof prefabricated module 21 is prefabricated by cement, industrial by-product gypsum and refractory components. L shaped steel structure fire prevention prefabricated module edge sets up metal built-in fitting 201 for be connected U shaped steel structure fire prevention prefabricated module 22 with floor board 9, wall 8.
As shown in FIG. 4, a prefabricated module 23 for fire protection of U-shaped steel structure is prefabricated by cement, industrial by-product gypsum and refractory components, which are generally high alumina cement, bauxite or other refractory materials commonly used in industry. In order to increase the punching resistance and the shearing strength, the outer part of the base-resisting glass fiber fabric layer 204 is wrapped.
When the building plate is installed as shown in the figures 1 and 2, the U-shaped steel structure fireproof prefabricated module 22 for the floor plate is wrapped on the part, far away from the wall surface 8, of the steel beam 1 of the floor plate to form a closed space with the floor plate 9, and materials 202 such as foam concrete, expanded and vitrified micro-bead thermal insulation mortar, rubber powder polyphenyl particle thermal insulation mortar and the like are filled in the closed space as shown in the figure 2.
As shown in fig. 1 and 3, during installation, the L-shaped steel structure fireproof prefabricated module 21 is wrapped on the part of the floor steel beam 1 close to the wall surface 8 to form a closed space with the floor slab 9 and the wall surface 8, and the closed space is filled with materials 202 such as foam concrete, expanded and vitrified micro-bead thermal insulation mortar, rubber powder polyphenyl granule thermal insulation mortar and the like.
As shown in fig. 1 and 4, during installation, two U-shaped steel structure fireproof prefabricated modules 23 for wall surfaces are oppositely arranged to form a layer, the layer is wrapped on a wall surface steel column 2, and a space formed by the two layers is filled with materials 202 such as foam concrete, expanded and vitrified micro-bead thermal insulation mortar, rubber powder polyphenyl particle thermal insulation mortar and the like. Along the steel column trend, upwards set up the relative U shaped steel structure fire prevention prefabricated module 23 of multilayer, until putting to the top, be connected with L shaped steel structure fire prevention prefabricated module 21, the prefabricated module 22 of U shaped steel structure fire prevention for the floor board for the steel construction that whole steel column 2, girder steel 1 formed is whole by the prefabricated module parcel of steel construction fire prevention.
Between two-layer U shaped steel structure fire prevention prefabricated module 23, set up a connecting piece 3 for connect other structures of building, wherein, connecting portion 31 is located between two-layer U shaped steel structure fire prevention prefabricated module 23, outside extending to the enclosure space from the enclosure space, fixed part is connected with the steel column with welding, riveting, bolt etc..
And the steel structure fireproof prefabricated modules and the steel structure fireproof prefabricated module floor plates are bonded by high-temperature-resistant adhesive cement.
By adopting the method, zero connection of the steel structure fireproof prefabricated module, the wall body and the steel structure can be realized, and the damage to the fireproof structure caused by deformation of the steel structure and large horizontal displacement of the steel structure is avoided; fixing frames such as keels are not needed, and the construction period is short; between steel construction fire prevention prefabricated module and the steel construction fire prevention prefabricated module, steel construction fire prevention prefabricated module all adopts high temperature resistant mortar to be connected with major structure, and the prefabricated shaping of steel construction fire prevention prefabricated module does not have the butt joint seam for fire resistive construction gas tightness is fabulous, has guaranteed the fire prevention engineering quality. Meanwhile, the steel structure fireproof prefabricated module combines the wall function and the easy decoration function, and the total building cost is saved.
Claims (9)
1. A steel structure fireproof prefabricated module is characterized by comprising a shell, wherein the shell is of a semi-enclosed structure formed by at least one curved surface or at least two adjacent planes to form a cavity with an open side edge, two ends of the cavity are provided with openings, and the shell is made of fireproof materials through one-step forming; the shell surface or interior comprises a layer of die cut/shear damage resistant material.
2. The steel structure fire prevention prefabrication module of claim 1, wherein the steel structure fire prevention prefabrication module is U-shaped, L-shaped or arc-shaped in cross section.
3. The fire-resistant prefabrication module for steel structures as claimed in claim 1, wherein the surface of the shell close to the cavity is an inner surface, the surface opposite to the inner surface is an outer surface, and the surfaces of the shell except the inner surface and the outer surface are edge surfaces, wherein the shell is provided with metal embedded parts, and the metal embedded parts are exposed out of the shell from the edge surfaces.
4. The fire prevention prefabrication module of steel structure of claim 1, the face of the casing close to the cavity is an inner surface, and the opposite face of the inner surface is an outer surface, characterized in that at least one cylindrical groove or one cylindrical protrusion is axially arranged on the inner surface or the outer surface.
5. The fire-resistant precast module of steel structure of claim 1, wherein the die-cut/shear damage resistant material layer is an alkali-resistant fiberglass mesh or a hot-dip galvanized mesh.
6. The utility model provides a steel construction fire protection system which characterized in that: the fireproof prefabricated module comprises the fireproof prefabricated module of a steel structure as claimed in any one of claims 1 to 5, wherein a steel structural member is positioned in the cavity, so that the steel structural member is positioned in a closed space formed by the fireproof prefabricated module of the steel structure and a wall surface or a floor plate or a closed space formed by a plurality of the fireproof prefabricated modules of the steel structure, the steel structural member is not in contact with the fireproof prefabricated modules of the steel structure and the wall surface or the floor plate, the fireproof prefabricated modules of the steel structure are connected with the wall surface or the floor plate by high-temperature-resistant adhesive glue, and the fireproof prefabricated modules of the steel structure are also connected by high-temperature-resistant adhesive glue.
7. The steel structure fire protection system of claim 6, wherein a filler is disposed within the cavity.
8. The fire protection system of claim 7, comprising a plurality of fire protection modules arranged in a radial direction of the structural member.
9. The fire protection system of claim 8, comprising at least one connecting member between two fire protection modules, wherein the connecting member comprises a fixing portion and a connecting portion, the fixing portion is firmly connected to the steel structural member, the connecting portion extends out of the closed space from the gap between the two fire protection modules or the opening on the fire protection modules, and the gap between the two fire protection modules is filled with the fire-proof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552411.1U CN218028282U (en) | 2022-03-15 | 2022-03-15 | Steel construction fire prevention prefabricated module and steel construction fire protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552411.1U CN218028282U (en) | 2022-03-15 | 2022-03-15 | Steel construction fire prevention prefabricated module and steel construction fire protection system |
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| Publication Number | Publication Date |
|---|---|
| CN218028282U true CN218028282U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220552411.1U Active CN218028282U (en) | 2022-03-15 | 2022-03-15 | Steel construction fire prevention prefabricated module and steel construction fire protection system |
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| Country | Link |
|---|---|
| CN (1) | CN218028282U (en) |
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2022
- 2022-03-15 CN CN202220552411.1U patent/CN218028282U/en active Active
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