Dense-hole profiled steel sheet floor support plate and floor slab
Through the combination of dense hole pressed steel plate floor bearing plate and UHPC ultra-high strength concrete layer, the problem of insufficient stiffness when the span is large is solved, and the floor clearance and construction efficiency are improved by directly treating as concrete formwork and scraping putty.
Patent Information
- Application Number
- CN202421217187.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing steel bar truss bearing plates have insufficient rigidity when the span is large, and the galvanized steel plate bottom mold cannot be directly plastered and decorated, so they need to be treated with a suspended ceiling, and the application range is limited.
The dense hole pressed steel plate floor bearing plate is adopted, and the bending stiffness is provided through high-rib pressed steel plates and UHPC ultra-high strength concrete layer. The steel bars and pipelines are arranged on site, which are directly used as concrete construction formwork. Putty can be directly scraped after construction is completed.
Reduce the deflection of the floor bearing plate, improve the performance of the floor bearing plate, solve the problem of insufficient stiffness, and improve the floor clearance and construction efficiency by directly treating it as a formwork and scraping putty.
Smart Images
Figure CN222649178U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of floor decking, and particularly relates to a dense-hole profiled steel plate floor decking and a floor slab. Background Art
[0002] The development of prefabricated floor slab components is also becoming more mature. A large number of prefabricated floor slabs have been adopted in actual projects, realizing prefabrication and assembly to a certain extent. As an important component in the structural system, the floor slab has gone through three generations of development. Including cast-in-place reinforced concrete floor slabs, corrugated steel plate concrete composite floor slabs and reinforced truss floor slabs.
[0003] The advantages of cast-in-place reinforced concrete floor slabs are that they have strong integrity, the plane shape can be changed arbitrarily with the formwork, good waterproof performance, and outstanding earthquake resistance. However, this floor slab requires on-site formwork, steel bar tying, concrete pouring and curing, and demolding after the concrete strength reaches a certain standard, which consumes a lot of manpower, material resources and time costs.
[0004] The advantages of the corrugated steel plate concrete composite floor are that if it is a closed corrugated steel plate composite floor, it can completely replace the tensile steel bars at the bottom of the slab, saving costs and making the bottom of the slab flat; and no formwork is required, which can shorten the construction period and save formwork construction costs. However, the floor still requires a lot of steel plate tying work on site, and anti-corrosion and fire prevention measures need to be added to the corrugated steel plate. Support needs to be erected when the span is large.
[0005] The advantages of steel truss floor slabs are that they are better in fire resistance and corrosion resistance than corrugated steel plate composite slabs; in terms of economic cost, the prefabricated parts are standardized in the factory, which improves production efficiency; steel truss floor slabs do not require formwork, and multiple floor slabs can be poured at the same time, which significantly shortens the construction period. The disadvantages of this type of floor slab are that the bottom formwork has low rigidity and is prone to deformation and damage during transportation and hoisting; the galvanized steel plate bottom formwork cannot be directly plastered and decorated, and requires ceiling treatment, which limits the scope of application; the unsupported steel truss floor slab has a small span and insufficient rigidity.
[0006] For steel truss floor decking, the galvanized steel plate bottom formwork cannot be directly plastered and decorated, and the ceiling treatment is required, which limits the scope of application. For unsupported steel truss floor decking, its span is small and the rigidity is insufficient. Utility Model Content
[0007] The utility model aims to provide a dense-hole corrugated steel plate floor deck and floor slab to solve the above problems.
[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0009] A dense-pore corrugated steel plate floor deck comprises a steel plate, a high-ribbed corrugated steel plate and a concrete layer; a plurality of high-ribbed corrugated steel plates are fixedly arranged on the steel plate, and a concrete layer is attached to the lower surface of the steel plate; the steel plate and the high-ribbed corrugated steel plate are both dense-pore steel plates.
[0010] Furthermore, a plurality of high-rib corrugated steel plates are welded in parallel at equal intervals on the steel plate.
[0011] Furthermore, the concrete layer is a UHPC ultra-high strength concrete layer.
[0012] Furthermore, a UHPC ultra-high strength concrete layer is poured on the bottom of the steel plate to form a UHPC ultra-high strength concrete base plate.
[0013] Furthermore, a plurality of layers of floor reinforcement are fixed on the high-ribbed corrugated steel plates perpendicularly to the high-ribbed corrugated steel plates.
[0014] Furthermore, several layers of floor reinforcement are arranged in the holes of the high-ribbed corrugated steel plates.
[0015] Furthermore, the high-rib corrugated steel plate includes a main plate and a side plate, the two main plates are welded to the steel plate at an acute angle, and the side surfaces of the two main plates are welded to the side surfaces.
[0016] Furthermore, steel bars and pipelines are arranged in the openings of the dense-pore steel plate.
[0017] Furthermore, concrete is poured on the outer side of the dense-pore corrugated steel plate floor deck.
[0018] A floor slab comprises a dense-pore corrugated steel plate floor decking plate, wherein a plurality of dense-pore corrugated steel plate floor decking plates are spliced to form the floor slab.
[0019] Compared with the prior art, the utility model has the following technical effects:
[0020] The utility model uses dense and high ribs of corrugated steel plates to replace steel trusses, reduce the deflection of floor decks, and provide partial rigidity of floor decks; the corrugated steel plates have holes, and floor slab steel bars and pipelines can be arranged on site; the UHPC-dense hole corrugated steel plate floor deck is directly used as a construction template for pouring concrete, and putty can be directly scraped after the construction is completed, without the need for a suspended ceiling, thereby increasing the floor clearance; the factory prefabricated bottom plate UHPC bottom plate has guaranteed product quality, is not damaged during transportation, and can be directly stacked, thereby improving transportation and construction efficiency. With a lightweight design, workers can move the floor deck for easy construction. The processing technology is mature.
[0021] 1. The ribs of corrugated steel plates are mainly cut densely to replace steel trusses to provide bending stiffness of the floor deck.
[0022] 2. The holes in the corrugated steel plate can be used to arrange steel bars and pipelines on site, as well as to pour high-performance concrete on the bottom plate, thereby reducing the deflection of the floor deck, improving the performance of the floor deck, and solving the problem of insufficient rigidity of the unsupported steel truss floor deck.
[0023] 3. UHPC-dense-pore corrugated steel plate floor decking is directly used as the construction template for pouring concrete. After the construction is completed, putty can be directly scraped without the need for a suspended ceiling, which increases the floor clearance and solves the ceiling problem of the steel truss floor decking.
[0024] 4. The factory-prefabricated UHPC base plate has guaranteed product quality, is not damaged during transportation, and can be stacked directly, which improves transportation and construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a three-dimensional stereogram of the utility model.
[0026] Figure 2 This is an assembly process diagram of the utility model.
[0027] Figure 3 It is a cross-sectional view of the utility model.
[0028] in:
[0029] Steel plate 1, high-rib corrugated steel plate 2, concrete layer 3, floor reinforcement 4. DETAILED DESCRIPTION
[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] Example 1, please refer to Figure 1 The utility model provides a dense-pore corrugated steel plate floor deck, which is characterized in that it includes a steel plate 1, a high-rib corrugated steel plate 2 and a concrete layer 3; a plurality of high-rib corrugated steel plates 2 are fixedly arranged on the steel plate 1, and a concrete layer 3 is attached to the lower surface of the steel plate 1; the steel plate 1 and the high-rib corrugated steel plate 2 are both dense-pore steel plates.
[0034] The dense and high ribs of corrugated steel plates are used instead of steel trusses to provide bending stiffness for the floor deck.
[0035] The corrugated steel sheets have holes that allow for the arrangement of floor reinforcement and pipelines on site.
[0036] The factory-prefabricated UHPC base plate has guaranteed product quality, is not damaged during transportation, and can be stacked directly, which improves transportation and construction efficiency.
[0037] The UHPC-dense-pore corrugated steel floor deck is directly used as the construction formwork for pouring concrete. After the construction is completed, putty can be directly scraped without the need for a suspended ceiling, thus increasing the floor clearance.
[0038] Lightweight design allows workers to move the floor decking to facilitate construction.
[0039] Specific:
[0040] A dense-pore corrugated steel plate floor deck comprises a steel plate 1, a high-rib corrugated steel plate 2 and a UHPC ultra-high strength concrete layer; a plurality of high-rib corrugated steel plates 2 are fixedly arranged on the steel plate 1, and the lower surface of the steel plate 1 is attached with a UHPC ultra-high strength concrete layer; the steel plate 1 and the high-rib corrugated steel plate 2 are both dense-pore steel plates.
[0041] A plurality of high-rib corrugated steel plates 2 are welded and arranged on the steel plate 1 in parallel at equal intervals.
[0042] The UHPC ultra-high strength concrete layer is poured at the bottom of the steel plate 1 to form a UHPC ultra-high strength concrete bottom plate.
[0043] A plurality of layers of floor reinforcement 4 are fixed on the high-ribbed corrugated steel plate 2 perpendicularly to the high-ribbed corrugated steel plate 2 .
[0044] Several layers of floor reinforcement 4 are arranged in the holes of the high-ribbed corrugated steel plates.
[0045] The high-rib corrugated steel plate 2 comprises a main plate and a side plate. The two main plates are welded to the steel plate at an acute angle, and the side surfaces of the two main plates are welded to the side surfaces.
[0046] The densely cut high ribs of corrugated steel plates are used to replace the steel trusses to provide the floor deck with bending rigidity.
[0047] 2. The holes in the corrugated steel plate can be used to arrange steel bars and pipelines on site, as well as to pour high-performance concrete on the bottom plate, thereby reducing the deflection of the floor deck, improving the performance of the floor deck, and solving the problem of insufficient rigidity of the unsupported steel truss floor deck.
[0048] 3. UHPC-dense-pore corrugated steel plate floor decking is directly used as the construction template for pouring concrete. After the construction is completed, putty can be directly scraped without the need for a suspended ceiling, which increases the floor clearance and solves the ceiling problem of the steel truss floor decking.
[0049] 4. The factory-prefabricated UHPC base plate has guaranteed product quality, is not damaged during transportation, and can be stacked directly, which improves transportation and construction efficiency.
[0050] For installation procedures, see Figure 3 :
[0051] 1. Prefabricate corrugated steel plates and cast the bottom of the corrugated steel plates with UHPC to form the UHPC bottom plate. All of these can be prefabricated in the factory and can be mass-produced automatically;
[0052] 2. During on-site construction, the UHPC-dense-pore corrugated steel plate floor deck is directly placed on the beam, and one or more temporary supports are set in the middle to meet the construction stiffness requirements;
[0053] 3. Arrange pipelines and floor reinforcement in the openings of the floor deck and the gaps between the corrugated steel plates;
[0054] 4. Pour concrete.
[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A dense-pore corrugated steel floor deck, characterized in that: It comprises a steel plate (1), a high-ribbed corrugated steel plate (2) and a concrete layer (3); a plurality of high-ribbed corrugated steel plates (2) are fixedly arranged on the steel plate (1), and the lower surface of the steel plate (1) is attached with a concrete layer (3); the steel plate (1) and the high-ribbed corrugated steel plate (2) are both dense-pore steel plates.
2. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: A plurality of high-rib corrugated steel plates (2) are welded and arranged in parallel at equal intervals on the steel plate (1).
3. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: The concrete layer (3) is a UHPC ultra-high strength concrete layer.
4. The dense-pore corrugated steel floor deck according to claim 3, characterized in that: A UHPC ultra-high strength concrete layer is poured on the bottom of the steel plate (1) to form a UHPC ultra-high strength concrete bottom plate.
5. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: A plurality of layers of floor reinforcement (4) are fixed on the high-ribbed corrugated steel plate (2) perpendicularly to the high-ribbed corrugated steel plate (2).
6. The dense-pore corrugated steel floor deck according to claim 5, characterized in that: Several layers of floor slab reinforcement (4) are arranged in the holes of the high-ribbed corrugated steel plates.
7. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: The high-rib corrugated steel plate (2) comprises a main plate and a side plate. The two main plates are welded to the steel plate at an acute angle, and the side surfaces of the two main plates are welded to the side surfaces.
8. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: Steel bars and pipelines are arranged in the openings of the dense-pore steel plate.
9. The dense-pore corrugated steel floor deck according to claim 1, characterized in that: Concrete is poured on the outside of the dense-pore corrugated steel plate floor deck.
10. A floor slab, characterized in that: It comprises the dense hole corrugated steel plate floor decking plate as described in any one of claims 1 to 9, and a plurality of dense hole corrugated steel plate floor decking plates are spliced to form a floor slab.