CN216340346U - Notch steel beam with flange embedded into floor and floor structure - Google Patents
Notch steel beam with flange embedded into floor and floor structure Download PDFInfo
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- CN216340346U CN216340346U CN202120397748.5U CN202120397748U CN216340346U CN 216340346 U CN216340346 U CN 216340346U CN 202120397748 U CN202120397748 U CN 202120397748U CN 216340346 U CN216340346 U CN 216340346U
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Abstract
The utility model discloses a notched steel beam with flanges embedded in a floor slab and a floor slab structure, wherein the notched steel beam comprises a web (1), and an upper flange (2) and a lower flange (3) are respectively arranged at the upper end and the lower end of the web (1); a notch (4) is arranged on the upper flange (2); the flange embedded floor comprises four floor columns (7) which are distributed in a rectangular shape, steel beams (8) are arranged between the adjacent floor columns (7), laminated plates (9) are arranged between the two symmetrically distributed steel beams (8), floor reinforcing steel bars (10) are arranged above the laminated plates (9), and concrete layers (11) are arranged on the floor reinforcing steel bars (10); the steel beam (8) is the notch steel beam with the flange embedded into the floor slab. The utility model has the characteristic of effectively improving the space utilization rate.
Description
Technical Field
The utility model relates to a structure of a steel beam flange embedded floor slab, in particular to a notch steel beam with a flange embedded floor slab and a floor slab structure.
Background
The steel structure building has the advantages of environmental protection, recycling, good earthquake resistance and the like, completely accords with the standards of building industrialization and green buildings, but the occupancy rate of the steel structure in the building market is not high at present, particularly the occupancy rate of the steel structure is less than 1% in large-scale and wide residential buildings, and the main reason is that the high-strength and high-efficiency characteristics of the steel structure are not exerted. The existing connection mode of the steel beam and the floor slab is that the steel beam is arranged below the floor slab, and the floor slab is arranged above the steel beam and the floor slab and is connected by using studs. The steel beam occupies more indoor space due to the connection mode, the space utilization rate is reduced, and although the section height of the steel beam is smaller than that of the concrete beam, the height difference between the steel beam and the concrete beam is almost the same after the plate thickness is added, so that the characteristics of light weight and high strength of a steel structure cannot be exerted. Therefore, the prior art has the problem of low space utilization rate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a notched steel beam with flanges embedded in a floor slab, a floor slab structure and a construction method. The utility model has the characteristic of effectively improving the space utilization rate.
The technical scheme of the utility model is as follows: the notched steel beam with flanges embedded in the floor slab comprises a web plate, wherein the upper end and the lower end of the web plate are respectively provided with an upper flange and a lower flange; and the upper flange is provided with a notch.
The flanges are embedded into the notch steel beams of the floor slab, and the notch is located in the middle of the upper flange.
In the breach girder steel of flange embedding floor, the unilateral or both sides on the top flange are provided with the breach.
The flange is embedded into the notch steel beam of the floor slab, and the web is further provided with a supporting plate located between the upper flange and the lower flange.
In the breach girder steel of flange embedding floor, still be equipped with the concrete support that is located the lower flange top on the web.
In the breach girder steel of flange embedding floor, still be equipped with the pipeline and alternate the entrance to a cave on the web.
The flanges are embedded in the notched steel beams of the floor slab, and the web and/or the upper flange are/is further provided with studs, shear keys, dents and/or protrusions.
A floor structure with flanges embedded in a floor comprises a plurality of floor columns, steel beams are arranged between adjacent floor columns, a laminated slab bottom plate is arranged between two symmetrically distributed steel beams, floor reinforcing steel bars are arranged above the laminated slab bottom plate, and cast-in-place concrete layers are arranged on the floor reinforcing steel bars; the steel beam is the notch steel beam with the flange embedded into the floor slab.
An anti-cracking steel wire mesh is also arranged in the cast-in-place concrete layer.
Compared with the prior art, the upper flange of the steel beam is provided with the notch, and the laminated slab bottom plate is laid below the upper flange, so that the upper flange of the steel beam is completely immersed in the floor slab, the indoor clearance occupied by the steel beam is reduced, the use clearance of a user is increased, the space utilization rate and the utilization rate can be effectively improved, and the quality of a building is improved. Meanwhile, the upper flange of the steel beam is completely immersed into the floor slab, so that the bonding property of the steel beam and the floor slab can be effectively enhanced, shear connectors such as studs and the like can be eliminated, and the manufacturing cost is saved; the upper flange of the steel beam is completely immersed into the floor slab, so that the lateral stability of a web plate of the steel beam can be improved, and the thickness of the web plate is reduced; the fire resistance of the steel beam can be effectively improved, the fire-resistant surface area of the steel beam is reduced, and the manufacturing cost can be saved. According to the utility model, the opening is arranged in the middle of the upper flange of the steel beam, so that the steel consumption can be effectively reduced, and the manufacturing cost is saved.
Although the middle part of the upper flange of the steel beam is provided with the notch, the notch is filled with cast-in-place concrete poured in the later period, the middle part of the upper flange is a compression area of the steel beam, and the concrete positioned in the compression area can effectively exert the characteristic of good compression resistance, so that the loss of strength and rigidity caused by the notch is compensated, and the consistency of the strength and the rigidity of the whole section of the beam is ensured.
In conclusion, the utility model has the characteristic of effectively improving the space utilization rate.
Drawings
FIG. 1 is a schematic view of a notched steel beam with flanges embedded in a floor;
FIG. 2 is a structural view of a concrete tray;
FIG. 3 is an installation view of a notched steel beam with flanges embedded in the floor;
FIG. 4 is an installation view of the end deck base;
FIG. 5 is a schematic view of the bottom plate of the laminated slab at one end thereof after installation;
FIG. 6 is a view showing the structure of the bottom plate of the double-end laminated slab after the installation;
FIG. 7 is a view showing the structure of all the laminated flooring after the installation;
FIG. 8 is a structural view of floor slab rebar;
FIG. 9 is a structural view of a cast-in-place concrete layer;
FIG. 10 is a structural view of embodiment 3.
The labels in the figures are: 1-web plate, 2-upper flange, 3-lower flange, 4-gap, 5-supporting plate, 6-concrete support, 7-floor column, 8-steel beam, 9-laminated slab bottom plate, 10-floor reinforcing steel bar and 11-cast-in-place concrete layer.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Example 1. The notched steel beam with flanges embedded in the floor slab comprises a web plate 1 as shown in figure 1, wherein an upper flange 2 and a lower flange 3 are respectively arranged at the upper end and the lower end of the web plate 1; and a notch 4 is arranged on the upper flange 2.
The gap is used for the laminated slab bottom plate to be in place, and the length of the gap is greater than the width of the laminated slab bottom plate.
The notch 4 is located in the middle of the upper flange 2.
The single side or the double side of the upper flange 2 is provided with a notch 4.
And a supporting plate 5 positioned between the upper flange 2 and the lower flange 3 is also arranged on the web plate 1. The gap between the pallet and the upper flange is used for mounting the laminated slab bottom plate.
The web plate 1 is also provided with a pipeline penetrating hole.
The web 1 and/or the upper flange 2 are further provided with studs, shear keys, indentations and/or protrusions.
A floor structure with flanges embedded in a floor is formed as shown in figures 3 to 9 and comprises a plurality of (four) floor columns 7 which are distributed in a rectangular shape, steel beams 8 are arranged between the adjacent floor columns 7, a laminated slab bottom plate 9 is arranged between the two symmetrically distributed steel beams 8, floor steel bars 10 are arranged above the laminated slab bottom plate 9, and cast-in-situ concrete layers 11 are arranged on the floor steel bars 10; the steel beam 8 is the notch steel beam with the flange embedded into the floor slab.
An anti-cracking steel wire mesh is further arranged in the cast-in-place concrete layer 11. The diameter of the anti-cracking steel wire mesh is 0.1 mm-4 mm, and the mesh interval is 8 mm-200 mm.
The notched steel beam can be freely combined with the common steel beam to form a floor slab with one end embedded into the floor slab and the other end of common structure.
The construction method of the floor slab structure with flanges embedded in the floor slab comprises the following steps:
firstly, fixing notch steel beams with corresponding sizes between adjacent floor slab upright columns; as shown in fig. 3;
secondly, hoisting the bottom plates of the laminated slabs at the two ends from the gaps of the notch steel beams respectively, and translating the bottom plates to the corresponding end parts to be in place; as shown in fig. 4, 5 and 6.
Thirdly, hoisting the bottom plate of the laminated slab in the middle part from the gap of the notch steel beam, and positioning; as shown in fig. 7.
Fourthly, arranging and binding steel bars above the bottom plate of the laminated slab to obtain an upper steel bar layer; as shown in fig. 8.
And fifthly, pouring reinforced concrete on the upper reinforcing steel bar layer to obtain a concrete layer. As shown in fig. 9.
The floor structure of the utility model can adopt reinforced concrete composite floor, steel bar truss floor bearing plate, profiled steel sheet floor bearing plate or hollow floor, the reinforced concrete composite floor is taken as an example, but when other types of floor are adopted, the bottom plate of the composite slab is replaced by the bottom plate of the corresponding product.
The connection between the notched steel beam with flanges embedded in the floor and the floor column can be realized by welding, bolt connection or flange welding web bolt connection.
The upper flange can be provided with a stud or a shear key for enhancing the bonding force with the concrete.
The connection mode of the supporting plate and the web plate can be welding or bolt connection.
The angle steel for supporting the floor slab adopts a structural member, does not participate in the whole stress of the steel beam, or adopts reinforced concrete, or utilizes the lower flange of the steel beam to support the floor slab, and the whole beam is in a concrete slab (the lower flange of the beam is also outside the slab).
Example 2. The notched steel beam with flanges embedded in the floor slab comprises a web plate 1 as shown in figure 2, wherein an upper flange 2 and a lower flange 3 are respectively arranged at the upper end and the lower end of the web plate 1; and a notch 4 is arranged on the upper flange 2.
The gap is used for the laminated slab bottom plate to be in place, and the length of the gap is greater than the width of the laminated slab bottom plate.
The notch 4 is located in the middle of the upper flange 2.
The single side or the double side of the upper flange 2 is provided with a notch 4.
And a concrete support 6 positioned above the lower flange 3 is also arranged on the web plate 1. The space between the concrete tray 6 and the upper flange is used to support the bottom plate of the laminated slab.
The web plate 1 is also provided with a pipeline penetrating hole.
The web 1 and/or the upper flange 2 are further provided with studs, shear keys, indentations and/or protrusions.
A floor structure with flanges embedded in a floor comprises a plurality of (four in rectangular distribution) floor columns 7, steel beams 8 are arranged between the adjacent floor columns 7, a laminated slab bottom plate 9 is arranged between the two symmetrically distributed steel beams 8, floor reinforcing steel bars 10 are arranged above the laminated slab bottom plate 9, and cast-in-situ concrete layers 11 are arranged on the floor reinforcing steel bars 10; the steel beam 8 is the notch steel beam with the flange embedded into the floor slab.
An anti-cracking steel wire mesh is further arranged in the cast-in-place concrete layer 11. The diameter of the anti-cracking steel wire mesh is 0.1 mm-4 mm, and the mesh interval is 8 mm-200 mm.
The notched steel beam can be freely combined with the common steel beam to form a floor slab with one end embedded into the floor slab and the other end of common structure.
The construction method of the floor slab structure with flanges embedded in the floor slab comprises the following steps:
firstly, fixing notch steel beams with corresponding sizes between adjacent floor slab upright columns; as shown in fig. 3;
secondly, hoisting the bottom plates of the laminated slabs at the two ends from the gaps of the notch steel beams respectively, and translating the bottom plates to the corresponding end parts to be in place;
thirdly, hoisting the bottom plate of the laminated slab in the middle part from the gap of the notch steel beam, and positioning; fourthly, arranging and binding steel bars above the bottom plate of the laminated slab to obtain an upper steel bar layer;
and fifthly, pouring reinforced concrete on the upper reinforcing steel bar layer to obtain a concrete layer.
The floor structure of the utility model can adopt reinforced concrete composite floor, steel bar truss floor bearing plate, profiled steel sheet floor bearing plate or hollow floor, the reinforced concrete composite floor is taken as an example, but when other types of floor are adopted, the bottom plate of the composite slab is replaced by the bottom plate of the corresponding product.
The connection between the notched steel beam with flanges embedded in the floor and the floor column can be realized by welding, bolt connection or flange welding web bolt connection.
The upper flange can be provided with a stud or a shear key for enhancing the bonding force with the concrete.
The connection mode of the supporting plate and the web plate can be welding or bolt connection.
The angle steel for supporting the floor slab adopts a structural member without participating in the integral stress of the steel beam, or adopts a mode of wrapping a web plate by reinforced concrete, or utilizes the lower flange of the steel beam to support the floor slab, and the whole beam is in a concrete slab (the lower flange of the beam is also outside the slab).
Example 3. The notched steel beam with flanges embedded in the floor slab is shown in figure 10 and comprises a web plate 1, wherein an upper flange 2 and a lower flange 3 are respectively arranged at the upper end and the lower end of the web plate 1; and a notch 4 is arranged on the upper flange 2.
The single side or the double side of the upper flange 2 is provided with a notch 4.
The gap is used for the laminated slab bottom plate to be in place, and the length of the gap is greater than the width of the laminated slab bottom plate.
When the beam height is reduced to be as high as the floor slab, the lower flange of the steel beam is directly used as the support of the floor slab.
The notch 4 is located in the middle of the upper flange 2.
The web plate 1 is also provided with a pipeline penetrating hole.
The web 1 and/or the upper flange 2 are further provided with studs, shear keys, indentations and/or protrusions.
A floor structure with flanges embedded in a floor comprises a plurality of (four in rectangular distribution) floor columns 7, steel beams 8 are arranged between the adjacent floor columns 7, a laminated slab bottom plate 9 is arranged between the two symmetrically distributed steel beams 8, floor reinforcing steel bars 10 are arranged above the laminated slab bottom plate 9, and cast-in-situ concrete layers 11 are arranged on the floor reinforcing steel bars 10; the steel beam 8 is the notch steel beam with the flange embedded into the floor slab.
An anti-cracking steel wire mesh is further arranged in the cast-in-place concrete layer 11. The diameter of the anti-cracking steel wire mesh is 0.1 mm-4 mm, and the mesh interval is 8 mm-200 mm.
The notched steel beam can be freely combined with the common steel beam to form a floor slab with one end embedded into the floor slab and the other end of common structure.
The construction method for embedding the flanges into the floor slab comprises the following steps:
firstly, fixing notch steel beams with corresponding sizes between adjacent floor slab upright columns; as shown in fig. 3;
secondly, hoisting the bottom plates of the laminated slabs at the two ends from the gaps of the notch steel beams respectively, and translating the bottom plates to the corresponding end parts to be in place;
thirdly, hoisting the bottom plate of the laminated slab in the middle part from the gap of the notch steel beam, and positioning;
fourthly, arranging and binding steel bars above the bottom plate of the laminated slab to obtain an upper steel bar layer;
and fifthly, pouring reinforced concrete on the upper reinforcing steel bar layer to obtain a concrete layer.
The floor structure of the utility model can adopt reinforced concrete composite floor, steel bar truss floor bearing plate, profiled steel sheet floor bearing plate or hollow floor, the reinforced concrete composite floor is taken as an example, but when other types of floor are adopted, the bottom plate of the composite slab is replaced by the bottom plate of the corresponding product.
The connection between the notched steel beam with flanges embedded in the floor and the floor column can be realized by welding, bolt connection or flange welding web bolt connection.
The upper flange can be provided with a stud or a shear key for enhancing the bonding force with the concrete.
The connection mode of the supporting plate and the web plate can be welding or bolt connection.
The angle steel for supporting the floor slab adopts a structural member without participating in the integral stress of the steel beam, or adopts a mode of wrapping a web plate by reinforced concrete, or utilizes the lower flange of the steel beam to support the floor slab, and the whole beam is in a concrete slab (the lower flange of the beam is also outside the slab).
Claims (8)
1. The breach girder steel of edge of a wing embedding floor, its characterized in that: comprises a web plate (1), wherein an upper flange (2) and a lower flange (3) are respectively arranged at the upper end and the lower end of the web plate (1); a notch (4) is arranged on the upper flange (2); notches (4) are arranged on one side or two sides of the upper flange (2).
2. The notched steel girder with flanges embedded in a floor slab of claim 1, wherein: the notch (4) is positioned in the middle of the upper flange (2).
3. The notched steel girder with flanges embedded in a floor slab of claim 1, wherein: and the web plate (1) is also provided with a supporting plate (5) positioned between the upper flange (2) and the lower flange (3).
4. The notched steel girder with flanges embedded in a floor slab of claim 1, wherein: and a concrete support (6) positioned above the lower flange (3) is also arranged on the web plate (1).
5. The notched steel girder with flanges embedded in a floor slab of claim 1, wherein: the web plate (1) is also provided with a pipeline penetration hole.
6. The notched steel girder with flanges embedded in a floor slab of claim 1, wherein: the web (1) and/or the upper flange (2) are/is also provided with studs, shear keys, dents and/or bulges.
7. The utility model provides a floor structure of edge of a wing embedding floor which characterized in that: the composite floor slab comprises a plurality of floor slab columns (7), steel beams (8) are arranged between adjacent floor slab columns (7), a laminated slab bottom plate (9) is arranged between two symmetrically distributed steel beams (8), floor slab reinforcing steel bars (10) are arranged above the laminated slab bottom plate (9), and cast-in-place concrete layers (11) are arranged on the floor slab reinforcing steel bars (10); the steel beam (8) is a notched steel beam with flanges embedded in a floor slab as claimed in any one of claims 1 to 6.
8. The floor structure with flanges embedded in a floor as claimed in claim 7, wherein: an anti-cracking steel wire mesh is further arranged in the cast-in-place concrete layer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397748.5U CN216340346U (en) | 2021-02-23 | 2021-02-23 | Notch steel beam with flange embedded into floor and floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397748.5U CN216340346U (en) | 2021-02-23 | 2021-02-23 | Notch steel beam with flange embedded into floor and floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216340346U true CN216340346U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120397748.5U Active CN216340346U (en) | 2021-02-23 | 2021-02-23 | Notch steel beam with flange embedded into floor and floor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216340346U (en) |
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2021
- 2021-02-23 CN CN202120397748.5U patent/CN216340346U/en active Active
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