A beam-slab integrated pre-assembled floor support plate for fabricated buildings

Abstract

This utility model discloses an integrated prefabricated floor deck for prefabricated buildings, belonging to the field of prefabricated building technology. The floor deck includes multiple parallel bent plates, a base layer, a noise reduction layer, and a leveling layer located on the upper part of the bent plates. Simultaneously, to achieve sound insulation and heating functions, the floor deck also includes multiple extended functional layers such as a heating layer, a sound insulation layer, and a sound-absorbing layer. Gaps are provided between the sides of adjacent bent plates, and flexible sealing materials such as expanding foam and foam are placed in the gaps, along with washers connected to the fixing bolts. Furthermore, the rigid surface contact between adjacent bent plates is changed to point contact, with the middle filled with flexible sound-insulating sealing material, effectively reducing structural noise caused by thermal expansion and contraction.

Description

Technical Field

[0001] This utility model belongs to the field of prefabricated building technology, specifically relating to a prefabricated floor deck integrating beams and slabs for prefabricated buildings. Background Technology

[0002] Floor decking is a crucial load-bearing component in building structures, playing a vital role in supporting the floor's weight. Generally, it is made of galvanized steel sheets or other metal materials, cold-bent into V-shaped, U-shaped, or trapezoidal corrugated cross-sections for use in floor or roof load-bearing. For prefabricated buildings, especially steel structure buildings, the superior structural performance of floor decking is key to improving construction efficiency and ensuring building safety.

[0003] Beam-slab integration is a core integration technology in the field of prefabricated buildings. By integrating beams and slabs into a single structural unit, it enables a construction model of "standardized prefabrication in the factory, rapid assembly on site, and overall load-bearing," significantly improving construction efficiency, structural performance, and environmental benefits. However, current beam-slab integration construction technologies involve prefabricated components and concrete pouring together to form a single structural unit. Even steel structure buildings require lightweight aggregates to be combined with concrete. While the use of concrete can increase structural strength, the wetting process involved in pouring undoubtedly increases manufacturing time and costs.

[0004] Furthermore, in prefabricated buildings, especially steel-structured buildings, metal components have large contact areas. For example, traditional floor decking connected by parallel interlocking clasps often uses long strips of metal surfaces with interference fits at the interlocking points. This type of connection results in a very large contact area for the metal components. When subjected to compression or structural changes due to thermal expansion and contraction, structural noises often occur. Simultaneously, because the contact length of the metal components in the aforementioned connection structure is also extremely long, the resulting structural noises propagate widely along the metal structural components. This undoubtedly significantly reduces the user experience. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This utility model aims to solve one of the following technical problems existing in the prior art or related technologies:

[0007] Existing steel structure prefabricated buildings suffer from several problems, including the need for concrete pouring and wetting during the integrated fabrication of beams and slabs, long production cycles and high costs for prefabricated structural components, and numerous structural noises caused by metal plate interlocking connections in prefabricated buildings, which propagate over long distances and result in significant building noise.

[0008] (II) Technical Solution

[0009] To solve the above-mentioned technical problems, this utility model provides an integrated prefabricated floor deck for prefabricated buildings, and the specific technical solution adopted is as follows:

[0010] An integrated prefabricated floor deck for prefabricated buildings, comprising a bent plate 1, a base plate layer 4, a noise reduction layer 5, a leveling layer 6, and an extended functional layer;

[0011] The bending plate 1 has a flat back surface 101. The two ends of the back surface 101 are bent perpendicularly and equidistantly to form side surfaces 102. The ends of the two side surfaces 102 are bent perpendicularly and non-contactly to form end surfaces 103. The back surface 101, side surfaces 102 and end surfaces 103 enclose a channel structure with openings 104. Multiple bending plates 1 with openings 104 are arranged side by side facing upwards, with gaps between adjacent sides and fixedly connected by bolts 9. Foam 11 is provided in the gaps, and foam 12 is provided on the outside of the foam 11.

[0012] The substrate layer 4 is fixed to the upper part of the end face 103 of the bent plate 1;

[0013] The noise reduction layer 5 is fixed on the upper part of the substrate layer 4;

[0014] The leveling layer 6 is fixed on the upper part of the noise reduction layer 5;

[0015] The extended functional layer is fixedly installed on the cavity S3 formed by the channel-type structure of the bent plate 1 and / or on the upper part of the noise reduction layer 5.

[0016] Preferably, the extended functional layer includes a sound insulation layer 2 or a sound absorption layer 15 and a heating layer 17; the sound insulation layer 2 or the sound absorption layer 15 is fixedly installed inside the channel-shaped structure formed by the bent plate 1; the heating layer 17 is fixedly installed at the lower part of the leveling layer 6.

[0017] More preferably, when the floor deck is provided with a sound-absorbing layer 15, the back side 101 of the bent plate 1 on which the sound-absorbing layer 15 is installed is provided with a sound-absorbing hole 14.

[0018] More preferably, a sound-absorbing and dust-proof layer 16 is provided between the sound-absorbing layer 15 and the back surface 101 of the bent plate 1.

[0019] Preferably, the substrate layer 4 is a single-layer structure and the leveling layer 6 is a double-layer structure.

[0020] Preferably, a floor decoration layer 7 is provided above the leveling layer 6.

[0021] Preferably, a decorative structure is also provided on the outside of the foam 12; the decorative structure is a sealant 13, a light strip, or a decorative strip.

[0022] Preferably, a washer 10 is also connected in series with the bolt 9; the washer 10 is located in the gap between the side surfaces 102 of the adjacent bent plates 1.

[0023] Preferably, a pipeline S2 is also provided in the cavity S3 formed by the bending plate 1; the pipeline S2 is arranged along the length direction perpendicular to or parallel to the bending plate 1 and is fixedly connected to the side surface 102 of the bending plate 1.

[0024] Preferably, multiple functional holes or pre-set connection points are provided on the back side 101 of the bent plate 1. For example, through holes for connecting various pipelines, mounting holes for installing security or fire protection equipment or devices, and mounting holes for suspending lighting fixtures or other interior decorations.

[0025] (III) Beneficial Effects

[0026] Compared with the prior art, the beneficial effects obtained by this utility model are as follows:

[0027] I. In the floor decking structure of this utility model, there are gaps between the connecting surfaces of adjacent bent plates, directly avoiding large-area connections of numerous metal components, which helps reduce structural noise from the building itself. The bent plates with straight sides are connected by bolts and expanding foam using a metal-point contact method, reducing the large contact area present in traditional snap-fit ​​connections, thus facilitating the reduction of structural noise caused by thermal expansion and contraction. Simultaneously, this connection method also helps to isolate the transmission of structural noise to the metal components, thereby reducing the noise impact of existing structural noise. Furthermore, the expanding foam helps to release the deformation of the metal components, reducing the extrusion deformation caused by deformation; similarly, this structure also helps to slow down the vibration transmission of the metal components. A sealant is also provided on the outside of the foam, which helps to enhance the airtightness of the joints.

[0028] II. The floor decking structure of this utility model adopts multiple upward-opening bent plates connected in parallel. The floor decking surface is regular, and the installation of suspended objects can be carried out by prefabricating connection points on the back of the bent plates. At the same time, the sides, ends, and backs of adjacent bent plates form an "I"-shaped structure, which can provide higher bending moment resistance as a building beam. The main floor slab structure that bears the planar load is formed by connecting the base plate layer, noise reduction layer, and leveling layer on the upper part of the bent plates. Thus, this floor decking integrates the floor slab and roof beam structure into one, which helps to shorten the construction cycle. At the same time, this beam-slab integrated floor decking structure does not require concrete pouring and wetting operations, which helps to greatly reduce the production cycle of prefabricated components.

[0029] Third, the floor decking structure of this utility model can be pre-assembled as a whole according to usage requirements, thereby greatly shortening the construction cycle and reducing the labor intensity during the construction process. At the same time, it can effectively reduce the amount of dust, noise and construction waste at the construction site, thus reducing the pollution of the environment caused by construction.

[0030] IV. The floor deck structure of this utility model has multiple functional holes or pre-set connection points on the back of the bent plate (i.e., the ceiling of the lower floor), which facilitates the connection and pre-installation of pipelines, as well as the installation of security and fire protection lighting equipment, and has the advantage of integrated structure and decoration. Attached Figure Description

[0031] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the invention and do not constitute an undue limitation of the utility model. In the drawings:

[0032] Figure 1 A schematic cross-sectional view of the floor deck structure in the first preferred embodiment of this utility model is shown.

[0033] Figure 2 for Figure 1 A magnified view of a section within the dashed box A.

[0034] Figure 3 This is a schematic diagram of the cross-sectional structure of the bent plate in a preferred embodiment of the present invention.

[0035] Figure 4 A partial cross-sectional view of the floor decking structure in the second preferred embodiment of this utility model is schematically shown.

[0036] Figure 5 A partial cross-sectional view of the floor deck structure in the third preferred embodiment of this utility model is shown schematically.

[0037] The reference numerals used in the above figures are as follows:

[0038] 1. Bending plate; 2. Sound insulation layer; 3. Screws; 4. Substrate layer; 5. Noise reduction layer; 6. Leveling layer; 7. Floor decoration layer; 8. Aluminum foil layer; 9. Bolts; 10. Washers; 11. Expanding foam; 12. Foam; 13. Sealant; 14. Sound absorption holes; 15. Sound absorption layer; 16. Sound absorption and dustproof layer; 17. Heating layer;

[0039] 102, back side; 102, side side; 103, end face; 104, opening;

[0040] S1, chandelier; S2, conduit; S3, cavity. Detailed Implementation

[0041] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0042] In the following description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and "vertical" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0043] In the following description of this utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0044] Furthermore, in the following description of this utility model, unless otherwise stated, "multiple", "multiple groups", or "multiple roots" means two or more.

[0045] Figure 1 A schematic cross-sectional view of the floor deck structure in the first preferred embodiment of this utility model is shown. Figure 2 for Figure 1 A magnified view of a section within the dashed box A. From Figure 1 and Figure 2 As can be seen, in this preferred embodiment, the lower part of the floor deck consists of multiple bent plates 1 arranged side by side and connected as a single unit with upward openings. Each bent plate 1 has a channel-type structure, forming a rectangular cavity S3 inside. A sound insulation layer 2 is laid at the bottom of the cavity S3 to isolate sound between different floors and reduce the cross-floor propagation of noise. Simultaneously, a pipe S2 perpendicular to the length of the bent plate 1 is provided above the sound insulation layer 2 within the cavity S3, and the pipe S2 is fixedly connected to the bent plate 1 at its side. Before the pre-installed floor deck is manufactured, various connection points or hanging points can be set on the bent plates 1 according to the user's specific needs. For example, through holes for connecting the pipe S2, and threaded holes or other connection structures for installing pendant lights S1 on the side wall of the bent plate 1.

[0046] from Figure 2It can be seen that a gap is reserved between the sides 102 of two adjacent bent plates 1 to avoid large-area contact between metal parts. To connect the adjacent bent plates 1, they are fixedly connected on the sides 102 by bolts 9. At the same time, in order to control the thickness of the gap and to ensure the stability of this point connection method of bolts 9, a washer 10 located in the gap is also connected in series on the bolts 9.

[0047] At the same time, from Figure 2 It can be seen that the layered structure fixedly connected from bottom to top on the upper part of the bent plate 1 consists of a substrate layer 4, a noise reduction layer 5, a leveling layer 6, and a floor decoration layer 7. The substrate layer 4 and the leveling layer 6 are made of the same material, which can be either inorganic or organic, such as OSB board, wood board, or precast concrete board. The difference is that the substrate layer 4 is a single layer while the leveling layer 6 is a double-layer structure. Furthermore, the substrate layer 4 is fixedly connected to the end face of the bent plate 1 by screws 3, while the other layered structures are fixed by adhesive.

[0048] Figure 3 This is a schematic diagram of the cross-sectional structure of the bent plate in a preferred embodiment of this utility model. Figure 3 As can be seen, in this preferred embodiment, the bending plate 1 has a channel-shaped structure with a flat back surface 101 at the bottom. The two ends of the back surface 101 are bent vertically and equidistantly upward to form vertical side surfaces 102. The ends of the side surfaces 102 are bent again in opposite directions without contact to form horizontal end surfaces 103. The end surfaces 103 do not contact each other, thus forming the opening 104 of the cavity S3.

[0049] Figure 4 A partial cross-sectional view of the floor decking structure in the second preferred embodiment of this utility model is schematically shown. From Figure 4 It can be seen that, in this preferred embodiment, the main structure of the floor decking is... Figure 1 and Figure 2 The implementation methods shown are basically the same. The difference is that the bottom sound insulation layer 2 is replaced with a sound absorption layer 15. At the same time, in order to better improve the sound absorption effect, multiple sound absorption holes 14 are provided on the back side 101 of the bent plate 1. In order to prevent dust from entering the sound absorption layer 15 through the sound absorption holes 14, at least one sound-absorbing and dustproof layer 16 is provided between the bottom of the sound absorption layer 15 and the back side 101 of the bent plate 1.

[0050] Figure 5 A partial cross-sectional view of the floor decking structure in the third preferred embodiment of this utility model is schematically shown. From Figure 5 It can be seen that, in this preferred embodiment, the main structure and Figure 1 and Figure 2The implementation methods shown are basically the same. The difference lies in that, to meet the heating needs of northern regions, a heating layer 17 is added to the upper floor slab structure of the bent plate 1 of the floor deck. As shown in the figure, the heating layer 17 is specifically installed between the aluminum foil layer 8 and the noise reduction layer 5. This heating layer 17 can use existing heating modules, such as heating modules with grooves for installing water pipes. Of course, other existing heating devices can be selected according to specific needs.

[0051] The manufacturing and construction process of the aforementioned prefabricated floor decking is as follows:

[0052] First, determine the specifications, dimensions, and quantity of prefabricated floor decking and its components based on the specific design and construction requirements of the building.

[0053] Second, manufacture the bent plate and set the connection nodes or connection structures at the predetermined positions of the bent plate, such as through holes for bolts to pass through, pre-set rivet bolts, etc.

[0054] Third, connect the bending plates. First, attach the foam according to the caulking area on the side of the bending plate. Then, thread the gaskets and bolts through and tighten the bolts. After the bolts are tightened, the bending plates on both sides compress the foam to create a caulking space. Apply expanding foam into the caulking space and wait for it to solidify. Then, apply a layer of sealant to the outside of the foam to seal it.

[0055] Fourth, lay sound-absorbing and dust-proof layers, sound-absorbing layers, and other functional layers inside the connected bent plates, and install various pipelines in the space formed by the bent plates as needed.

[0056] Fifth, connect the base plate layer above the end face of the bent plate, and then install each layered structure sequentially above the base plate layer. After installation, seal the pre-assembled floor decking and transport it to the construction site.

[0057] Sixth, after disassembling and assembling the pre-assembled floor decking at the construction site, it can be hoisted to the designated location for installation.

[0058] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.

Claims

1. A beam-slab integrated pre-assembled floor deck for fabricated buildings, characterized in that, It includes a bending plate (1), a substrate layer (4), a noise reduction layer (5), a leveling layer (6), and an extended functional layer; The bending plate (1) has a flat back surface (101), and the two ends of the back surface (101) are bent vertically and equidistantly to form side surfaces (102). The ends of the two side surfaces (102) are bent perpendicularly to each other without contact to form end faces (103). The back surface (101), side surfaces (102) and end faces (103) enclose a channel structure with openings (104). Multiple bending plates (1) are arranged side by side with openings (104) facing upwards, and adjacent side surfaces are left with gaps and are fixedly connected by bolts (9). Foam (11) is provided in the gaps, and foam (12) is provided on the outside of the foam (11). The substrate layer (4) is fixed to the upper part of the end face (103) of the bent plate (1); The noise reduction layer (5) is fixed to the upper part of the substrate layer (4); The leveling layer (6) is fixed on the upper part of the noise reduction layer (5); The extended functional layer is fixedly installed on the cavity (S3) formed by the channel-type structure of the bent plate (1) and / or on the upper part of the noise reduction layer (5).

2. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, The extended functional layer includes a sound insulation layer (2) or a sound absorption layer (15) and a heating layer (17); the sound insulation layer (2) or the sound absorption layer (15) is fixedly installed inside the channel-type structure formed by the bent plate (1); the heating layer (17) is fixedly installed at the bottom of the leveling layer (6).

3. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 2, characterized in that, When the floor deck is provided with a sound-absorbing layer (15), the back (101) of the bent plate (1) where the sound-absorbing layer (15) is installed is provided with sound-absorbing holes (14).

4. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 3, characterized in that, A sound-absorbing and dust-proof layer (16) is also provided between the sound-absorbing layer (15) and the back side (101) of the bent plate (1).

5. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, The substrate layer (4) is a single-layer structure, and the leveling layer (6) is a double-layer structure.

6. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, A floor decoration layer (7) is also provided above the leveling layer (6).

7. The prefabricated beam-slab integrated floor decking for prefabricated buildings according to claim 1, characterized in that, A decorative structure is also provided on the outside of the foam (12); the decorative structure is a sealant (13), a light strip or a decorative strip.

8. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, A washer (10) is also connected in series on the bolt (9); the washer (10) is located in the gap between the sides (102) of the adjacent bent plates (1).

9. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, A pipeline (S2) is also provided in the cavity (S3) formed by the bending plate (1); the pipeline (S2) is arranged along the length direction perpendicular to or parallel to the bending plate (1) and is fixedly connected to the side (102) of the bending plate (1).

10. The beam-slab integrated pre-assembled deck slab for fabricated buildings according to claim 1, characterized in that, Multiple functional holes or preset connection points are provided on the back (101) of the bent plate (1).

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