CN215563731U - Quickly assembled laminated slab combined bottom plate - Google Patents
Quickly assembled laminated slab combined bottom plate Download PDFInfo
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- CN215563731U CN215563731U CN202122003004.3U CN202122003004U CN215563731U CN 215563731 U CN215563731 U CN 215563731U CN 202122003004 U CN202122003004 U CN 202122003004U CN 215563731 U CN215563731 U CN 215563731U
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Abstract
The utility model discloses a combined bottom plate of a quickly assembled laminated slab, which comprises a cement-based prefabricated slab, wherein a plurality of thin-wall hat-shaped steels are uniformly distributed on one side surface of the cement-based prefabricated slab, the cross sections of the thin-wall hat-shaped steels are hat-shaped, the openings of the hat-shaped steels face the cement-based prefabricated slab, the end parts of two webs of the thin-wall hat-shaped steels are fixedly provided with wing plates attached to the cement-based prefabricated slab, the wing plates are provided with a plurality of mounting holes convenient for self-tapping screws to pass through, the thin-wall hat-shaped steels are fixedly connected with the cement-based prefabricated slab through the self-tapping screws, and two ends of the thin-wall hat-shaped steels along the length direction of the thin-wall hat-shaped steels extend out of the cement-based prefabricated slab; the composite floor can be provided with various specifications according to the requirements, is convenient to assemble and transport, has simple abutted seams, and fully exerts the mechanical advantages and the combination advantages of the mud-based precast slabs and the thin-wall hat-shaped steel.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a combined bottom plate for quickly assembling laminated slabs.
Background
The reinforced concrete composite slab is widely applied to fabricated buildings due to the advantage of saving site construction templates. At present, the common laminated slab bottom plate adopts a truss steel bar laminated bottom plate which is generally manufactured in a factory, and the concrete manufacturing method is that the truss steel bar is embedded in a cast-in-place reinforced concrete bottom plate, and the bottom plate is transported to a construction site after reaching the expected strength. Its main disadvantages are: 1) the specifications of the floor slabs of each construction site are different, different steel molds are required for different floor slabs, the mold cost is high, mass production and storage cannot be realized, and the productivity of a production line cannot be exerted; 2) the stacking height of the truss steel bar superposed bottom plate has requirements, and the stacking space required by a precast yard is large. Due to the limitation of the stacking height, the amount of transportation per time is limited. Therefore, the storage and transportation cost of the truss steel bar laminated bottom plate is high; 3) the cast-in-place concrete thickness of the truss steel bar superposed bottom plate is generally not less than 60mm, the distance between the structural steel bars at the plate joint connection part and the bottom surface of the bottom plate is larger, and the abutted seam is the weak point of the truss steel bar superposed bottom plate. In order to improve the bearing capacity of the abutted seams, the abutted seams are complex in structure and high in construction difficulty.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model aims to provide the combined bottom plate of the quickly-assembled laminated slab, which can be provided with various specifications according to the requirements, is convenient to assemble and transport and simple in abutted seam, and fully exerts the mechanical advantages and the combination advantages of the mud-based prefabricated slab and the thin-wall hat-shaped steel.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a combined bottom plate for quickly assembling laminated slabs, which comprises a cement-based precast slab, wherein a plurality of thin-wall hat-shaped steel which are parallel to each other are uniformly arranged on one side surface of the cement-based precast slab, the cross section of each thin-wall hat-shaped steel is hat-shaped, the opening of each thin-wall hat-shaped steel faces the cement-based precast slab, wing plates which are attached to the cement-based precast slab are fixed at the end parts of two web plates of each thin-wall hat-shaped steel, a plurality of mounting holes which are convenient for self-tapping screws to pass through are formed in each wing plate, the thin-wall hat-shaped steel is fixedly connected with the cement-based precast slab through the self-tapping screws, and two ends of each thin-wall hat-shaped steel along the length direction of the thin-wall hat-shaped steel extend out of the cement-based precast slab.
Preferably, the cement-based precast slab is a cement fiber pressure slab or a high-performance concrete slab, a steel bar net or a fiber net is additionally arranged in the cement-based precast slab, and the thickness of the cement-based precast slab is 8mm-40 mm.
Preferably, the thin-wall hat-shaped steel is formed by cold-bending a thin-wall steel plate and has the thickness of 0.5-8 mm.
Preferably, a plurality of uniformly distributed through holes which are convenient for the steel bars and pipelines to pass through are further formed in the two webs of the thin-wall hat-shaped steel.
Preferably, the top plate of the thin-wall hat-shaped steel is arranged parallel to the cement-based prefabricated plate.
The utility model has the beneficial effects that:
1) the cement-based precast slabs and the thin-wall hat-shaped steel adopted by the utility model can be independently manufactured, independently stored and independently transported, the production mode of freely assembling on site can be realized, the problems of large investment, high stacking and transportation cost of the steel templates of the traditional truss steel bar laminated bottom plate are solved, and the economic benefit is very obvious;
2) the cement-based precast slabs adopted by the utility model can be cut at will according to the size of the floor system on site, so that the combined bottom plate has flexible specification, can be suitable for any house type, and has outstanding advantages under the condition of changeable house types in China at present;
3) the cement-based precast slab and the thin-wall hat-shaped steel are assembled by self-tapping screws, so that the assembly is quick and convenient;
4) the cement-based precast slab and the thin-wall hat-shaped steel are combined together, so that respective mechanical advantages of high rigidity, high bending-resistant bearing capacity, high crack resistance strength of a fiber pressure plate and the like of the steel can be exerted, and the stress performance is good;
5) the through hole on the upper side plate of the thin-wall hat-shaped steel can be used for the steel bar and the pipeline to pass through; when the cast-in-place layer concrete is poured, the concrete can enter the cavity of the thin-wall cap-shaped steel through the through holes, the integrity of the combined bottom plate and the cast-in-place layer concrete is enhanced, and the coordination working performance of the combined bottom plate and the cast-in-place layer concrete is improved.
6) The cement-based precast slab is thin and can serve as a protective layer of stressed steel bars of the floor slab, so that the penetration of the steel bars arranged at the bottom of the cast-in-place layer at the rear can be ensured, and the difficulty in processing the abutted seams is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a combined bottom plate for quickly assembling laminated slabs provided in embodiment 1;
FIG. 2 is a schematic structural diagram of a combined bottom plate for quickly assembling laminated slabs according to embodiment 2;
description of reference numerals:
1. a cement-based precast slab; 2. thin-walled cap section steel; 21. a web; 22. a wing plate; 3. a self-tapping screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1, as shown in fig. 1, a composite floor for a quickly assembled laminated slab includes a cement-based prefabricated slab 1, three thin-walled cap-shaped steels 2 parallel to each other are uniformly arranged on one side surface of the cement-based prefabricated slab 1, the thin-walled cap-shaped steels 2 are hat-shaped in cross section and have openings facing the cement-based prefabricated slab 1, flanges 22 attached to the cement-based prefabricated slab 1 are fixed to ends of two webs 21 of the thin-walled cap-shaped steels 2, and a plurality of mounting holes for allowing self-tapping screws 3 to pass through are formed in the flanges (22), the thin-walled cap-shaped steels 2 are fixedly connected to the cement-based prefabricated slab 1 through the self-tapping screws 3, and both ends of the thin-walled cap-shaped steels 2 in the length direction thereof extend out of the cement-based prefabricated slab 1.
The cement-based precast slab 1 is made of a cement fiber pressure plate, a steel bar net is additionally arranged in the cement-based precast slab, and the thickness of the cement-based precast slab is 12 mm.
The thin-wall hat-shaped steel 2 is formed by cold-bending a thin-wall steel plate and has the thickness of 1.2 mm.
And a plurality of uniformly distributed through holes which are convenient for the steel bars and pipelines to pass through are also formed in the two webs 21 of the thin-wall hat-shaped steel 2.
And the top plate of the thin-wall hat-shaped steel 2 is arranged in parallel to the cement-based precast slab 1.
In the embodiment 2, as shown in fig. 2, two thin-wall hat-shaped steel 2 which are parallel to each other are uniformly arranged on one side surface of a cement-based precast slab 1, the cement-based precast slab 1 is a high-performance concrete precast slab, a reinforcing steel bar glass fiber mesh is additionally arranged in the high-performance concrete precast slab, and the thickness of the cement-based precast slab is 30 mm;
the thin-walled hat-shaped steel 2 is formed by cold-bending a thin-walled steel plate and has a thickness of 2.0mm, which is the same as that in example 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a swift equipment superimposed sheet built-up plate which characterized in that: the prefabricated concrete slab comprises a cement-based prefabricated slab (1), wherein a plurality of thin-wall cap-shaped steel (2) which are parallel to each other are uniformly arranged on one side face of the cement-based prefabricated slab (1), the cross section of each thin-wall cap-shaped steel (2) is in a cap shape, the opening of each thin-wall cap-shaped steel faces towards the cement-based prefabricated slab (1), wing plates (22) attached to the cement-based prefabricated slab (1) are arranged at the end parts of two web plates (21) of each thin-wall cap-shaped steel (2), a plurality of mounting holes convenient for self-tapping screws (3) to pass through are formed in the wing plates (22), the thin-wall cap-shaped steel (2) is fixedly connected with the cement-based prefabricated slab (1) through the self-tapping screws (3), and the two ends of each thin-wall cap-shaped steel (2) in the length direction extend out of the cement-based prefabricated slab (1).
2. A quick assemble composite decking panel according to claim 1 wherein: the cement-based precast slab (1) is made of a cement fiber pressure slab or a high-performance concrete slab, a steel bar net or a fiber net is additionally arranged in the cement-based precast slab, and the thickness of the cement-based precast slab is 8-40 mm.
3. A quick assemble composite decking panel according to claim 1 wherein: the thin-wall hat-shaped steel (2) is formed by cold-bending a thin-wall steel plate and has the thickness of 0.5-8 mm.
4. A quick assemble composite decking panel according to claim 1 wherein: and a plurality of uniformly distributed through holes which are convenient for the steel bars and pipelines to pass through are also formed in the two webs (21) of the thin-wall hat-shaped steel (2).
5. A quick assemble composite decking panel according to claim 1 wherein: and the top plate of the thin-wall hat-shaped steel (2) is arranged in parallel to the cement-based precast slab (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003004.3U CN215563731U (en) | 2021-08-24 | 2021-08-24 | Quickly assembled laminated slab combined bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003004.3U CN215563731U (en) | 2021-08-24 | 2021-08-24 | Quickly assembled laminated slab combined bottom plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215563731U true CN215563731U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122003004.3U Active CN215563731U (en) | 2021-08-24 | 2021-08-24 | Quickly assembled laminated slab combined bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215563731U (en) |
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2021
- 2021-08-24 CN CN202122003004.3U patent/CN215563731U/en active Active
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