Prefabricated composite floor slab capable of being repositioned by reinforcing steel bars in later period

Abstract

The utility model relates to a post-reinforcing steel bar repositioning type prefabricated composite floor slab which comprises a foundation layer, connecting strips, a connecting layer and an uppermost layer, the uppermost layer is connected with the connecting strips through the connecting layer, the connecting layer is connected with the foundation layer through the connecting strips, and the foundation layer is sequentially bonded with the connecting strips, the connecting layer and the uppermost layer. Connecting holes are formed in the base layer, and the connecting holes are separated from the connecting strips; the upper surfaces of the connecting strips are connected with the connecting layer, the lower surfaces of the connecting strips are connected with the base layer, the connecting strips are separated from one another, and gaps are formed among the connecting strips; and the connecting cavity penetrates through the uppermost layer and the connecting layer and is communicated with the gap and the vertical hole. According to the repositioning type prefabricated composite floor slab capable of being reinforced in the later period, the connecting strength between the prefabricated composite floor slab and the prefabricated composite floor slab and other building materials is improved, the overall strength of a building is improved, and the overall service life of the building is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of prefabricated composite floor slabs, in particular to a prefabricated composite floor slab capable of being reinforced with steel bars and then positioned. Background Art

[0002] Prefabricated composite floor slab is a commonly used building material. It is a prefabricated material produced to save construction time. Prefabricated composite floor slab can realize rapid and standardized production at construction sites.

[0003] The commonly used prefabricated composite floor slabs are directly bonded to other materials on the construction site through adhesives during use. Due to the limited strength of the bonding materials between the prefabricated composite floor slabs and other building materials, the stability between the prefabricated composite floor slabs and other building materials after bonding is poor, which reduces the overall strength of the building. These problems are now in urgent need of being solved. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated composite floor slab which can be reinforced with steel bars and repositioned later, so as to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A prefabricated composite floor slab capable of being reinforced with steel bars and repositioned later, comprising a base layer, a connecting strip, a connecting layer and an uppermost layer, wherein the uppermost layer is connected to the connecting strip via the connecting layer, the connecting layer is connected to the base layer via the connecting strip, and the base layer is sequentially bonded to the connecting strip, the connecting layer and the uppermost layer;

[0007] The base layer is provided with a connection hole, and the connection hole is separated from the connection bar;

[0008] The upper surface of the connecting strip is connected to the connecting layer, and the lower surface is connected to the base layer. The connecting strips are separated from each other, and gaps are provided between the connecting strips.

[0009] The connecting layer and the uppermost layer are provided with vertical holes and connecting cavities;

[0010] The vertical hole penetrates the uppermost layer and the connecting layer and is communicated with the gap, and the connecting cavity penetrates the uppermost layer and the connecting layer and is communicated with the gap and the vertical hole.

[0011] Furthermore, there are a plurality of connection holes, and the connection holes penetrate through the side surface of the base layer; the base layer is bonded to the connection strip, the connection layer and the uppermost layer in sequence through cement mortar.

[0012] Furthermore, the connection holes are evenly distributed on the base layer, and the cross-section of the connection holes is circular; the connection holes are separated from the gaps.

[0013] Furthermore, there are a plurality of gaps, and the connecting strips are evenly distributed on the base layer.

[0014] Furthermore, the gaps are evenly distributed above the base layer, the cross-section of the gaps is rectangular, and the gaps are connected to the vertical holes and the bottom of the connecting cavity.

[0015] Furthermore, there are multiple vertical holes and only one connecting cavity.

[0016] Furthermore, the vertical holes are symmetrical with respect to the connecting cavity, and there are an even number of the vertical holes.

[0017] Furthermore, the vertical hole penetrates through the ends of the uppermost layer and the connecting layer, and the connecting cavity penetrates through the middle of the uppermost layer and the connecting layer.

[0018] Furthermore, the cross section of the vertical hole is circular, and only the bottom of the vertical hole is connected to the connecting cavity.

[0019] Furthermore, the cross-sectional dimension of the connecting cavity at the top layer is smaller than the cross-sectional dimension of the connecting cavity at the connecting layer, the cavity walls of the connecting cavity at the top layer and the connecting layer are both inclined surfaces, and the cross-sectional dimensions of the connecting cavity at the top layer and the connecting layer are both trapezoidal.

[0020] The beneficial effects of the utility model are as follows: providing a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later, and making a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later by using the base layer, connecting strips, connecting layers and the uppermost layer in coordination with each other to replace the traditional prefabricated composite floor slab, so that when the prefabricated composite floor slab is connected with other prefabricated composite floor slabs and other materials of the building, the connection can be achieved through steel bars, and at the same time, concrete can be poured inside the prefabricated composite floor slab to connect with other prefabricated composite floor slabs and other materials of the building, thereby improving the connection strength between the prefabricated composite floor slabs and other building materials, improving the overall strength of the building, and improving the overall service life of the building. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an axonometric diagram of the overall structure of a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later according to the utility model.

[0022] Figure 2 This is another overall structural axonometric drawing of the utility model of a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later.

[0023] Figure 3 This is the overall structural front view of a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later according to the utility model.

[0024] Figure 4 This is a cross-sectional view of the overall structure of a prefabricated composite floor slab that can be reinforced with steel bars and repositioned later according to the utility model.

[0025] In the figure: 1, base layer; 2, connecting hole; 3, connecting strip; 4, gap; 5, connecting layer; 6, uppermost layer; 7, vertical hole; 8, connecting cavity. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. The same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described in the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0027] In the description of the present utility model, it is necessary to understand that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features, and in the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0028] refer to Figures 1 to 4 A prefabricated composite floor slab capable of being reinforced and repositioned later comprises a base layer 1, a connecting strip 3, a connecting layer 5 and an uppermost layer 6, wherein the uppermost layer 6 is connected to the connecting strip 3 via the connecting layer 5, and the connecting layer 5 is connected to the base layer 1 via the connecting strip 3, and the base layer 1 is sequentially bonded to the connecting strip 3, the connecting layer 5 and the uppermost layer 6, so as to achieve a stable connection between the base layer 1, the connecting strip 3, the connecting layer 5 and the uppermost layer 6;

[0029] The foundation layer 1 is provided with a connection hole 2, which is used to connect multiple foundation layers 1 through steel bars, and conveniently connect the foundation layer 1 to the wall of the building through steel bars, and the connection hole 2 is separated from the connection bar 3;

[0030] The upper side of the connecting strip 3 is connected to the connecting layer 5, and the lower side is connected to the foundation layer 1; the multiple connecting strips 3 are separated, and gaps 4 are provided between the connecting strips 3 for containing concrete, so as to realize the connection between the prefabricated composite floor slab and other prefabricated composite floor slabs and walls;

[0031] The connecting layer 5 and the uppermost layer 6 are provided with vertical holes 7 and connecting cavities 8 for containing concrete, thereby realizing the connection between the prefabricated composite floor slab and other prefabricated composite floor slabs and walls;

[0032] The vertical hole 7 penetrates the uppermost layer 6 and the connecting layer 5 and is connected with the gap 4. The connecting cavity 8 penetrates the uppermost layer 6 and the connecting layer 5 and is connected with the gap 4 and the vertical hole 7 for containing concrete, thereby realizing the connection between the prefabricated composite floor slab and other prefabricated composite floor slabs and walls.

[0033] There are multiple connection holes 2 for increasing efficiency, and the connection holes 2 pass through the side of the base layer 1; the base layer 1 is bonded to the connection strip 3, the connection layer 5 and the uppermost layer 6 in sequence through cement mortar.

[0034] The connecting holes 2 are evenly distributed on the foundation layer 1 to ensure that the prefabricated composite floor is evenly stressed after being connected to other prefabricated composite floor slabs and walls through steel bars. The cross-section of the connecting holes 2 is circular; the connecting holes 2 are separated from the gaps 4 to prevent the steel bars in the connecting holes 2 from bonding with the concrete in the gaps 4.

[0035] There are a plurality of gaps 4 for containing sufficient concrete, and the connecting strips 3 are evenly distributed on the base layer 1 to ensure that the concrete is evenly distributed on the base layer 1 .

[0036] The gaps 4 are evenly distributed above the base layer 1 . The cross-section of the gaps 4 is rectangular. The gaps 4 are connected to the bottoms of the vertical holes 7 and the connecting chambers 8 , and are used to serve as spaces for holding concrete and as channels for concrete flow.

[0037] There are multiple vertical holes 7 and only one connecting cavity 8.

[0038] The vertical holes 7 are symmetrical with respect to the connecting cavity 8 , and there are an even number of the vertical holes 7 .

[0039] The vertical hole 7 penetrates through the ends of the uppermost layer 6 and the connecting layer 5 , and the connecting cavity 8 penetrates through the middle of the uppermost layer 6 and the connecting layer 5 , so as to ensure that no gap is generated in the connecting cavity 8 .

[0040] The cross section of the vertical hole 7 is circular, and only the bottom of the vertical hole 7 is connected to the connecting cavity 8 .

[0041] The cross-sectional dimension of the connecting cavity 8 in the top layer 6 is smaller than the cross-sectional dimension of the connecting cavity 8 in the connecting layer 5. The cavity walls of the connecting cavity 8 in the top layer 6 and the connecting layer 5 are both inclined surfaces. The cross-sectional dimensions of the connecting cavity 8 in the top layer 6 and the connecting layer 5 are both trapezoidal, which is used to ensure that no gaps are generated in the connecting cavity 8.

[0042] The working principle of the utility model is as follows: before using a prefabricated composite floor slab that can be repositioned with reinforced steel bars at a later time, the prefabricated composite floor slab that can be repositioned with reinforced steel bars at a later time is produced in a factory, and then the required prefabricated composite floor slab that can be repositioned with reinforced steel bars at a later time is pulled to the construction site; when using a prefabricated composite floor slab that can be repositioned with reinforced steel bars at a later time: the transport mechanism on the construction site transports the prefabricated composite floor slab that needs to be transported to the designated position of the building, and when the prefabricated composite floor slabs on the same layer are completed, multiple prefabricated composite floor slabs on the same plane are connected to each other through the connecting holes 2 using steel bars, and are connected to other walls of the building; further, in the connecting cavity 8 and the vertical hole 7, Pour concrete, the concrete in the connecting cavity 8 and the vertical hole 7 slowly flows to the bottom of the vertical hole 7, at this time, the gap 4, the connecting layer and the connecting cavity 8 and the vertical hole 7 of the uppermost layer are filled with concrete, and then continue to pour concrete so that there is also a layer of concrete on the uppermost layer 6; use the conveying mechanism on the construction site again to convey the new prefabricated composite floor slab to the uppermost layer 6, and the base layer 1 of the new prefabricated composite floor slab is bonded to the concrete on the uppermost layer 6, and repeat the above steps until the installation of all the prefabricated composite floor slabs is completed, and the prefabricated composite floor slab is connected to the wall of the building by steel bars, and concrete is poured between the prefabricated composite floor slab and the wall to make them a whole, thereby improving the overall strength of the building.

[0043] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field of the present invention, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A prefabricated composite floor slab that can be reinforced and repositioned later, characterized in that: The invention comprises a base layer (1), a connecting strip (3), a connecting layer (5) and an uppermost layer (6), wherein the uppermost layer (6) is connected to the connecting strip (3) via the connecting layer (5), the connecting layer (5) is connected to the base layer (1) via the connecting strip (3), and the base layer (1) is sequentially bonded to the connecting strip (3), the connecting layer (5) and the uppermost layer (6); The base layer (1) is provided with a connection hole (2), and the connection hole (2) is separated from the connection strip (3); The upper surface of the connecting strip (3) is connected to the connecting layer (5), and the lower surface is connected to the base layer (1); a plurality of connecting strips (3) are separated from each other, and gaps (4) are provided between the connecting strips (3); The connecting layer (5) and the uppermost layer (6) are provided with vertical holes (7) and connecting cavities (8); The vertical hole (7) penetrates the uppermost layer (6) and the connecting layer (5) and is in communication with the gap (4); the connecting cavity (8) penetrates the uppermost layer (6) and the connecting layer (5) and is in communication with the gap (4) and the vertical hole (7).

2. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 1, characterized in that: There are a plurality of connection holes (2), and the connection holes (2) penetrate the side surface of the base layer (1); the base layer (1) is bonded to the connection strip (3), the connection layer (5) and the uppermost layer (6) in sequence through cement mortar.

3. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 2, characterized in that: The connection holes (2) are evenly distributed on the base layer (1); the cross-section of the connection holes (2) is circular; and the connection holes (2) are separated from the gaps (4).

4. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 1, characterized in that: There are a plurality of gaps (4), and the connecting strips (3) are evenly distributed on the base layer (1).

5. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 4, characterized in that: The gaps (4) are evenly distributed above the base layer (1), the cross-section of the gaps (4) is rectangular, and the gaps (4) are connected to the vertical holes (7) and the bottom of the connecting cavity (8).

6. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 1, characterized in that: There are multiple vertical holes (7) and only one connecting cavity (8).

7. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 6, characterized in that: The vertical holes (7) are symmetrical with respect to the connecting cavity (8), and there are specifically an even number of the vertical holes (7).

8. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 1, characterized in that: The vertical hole (7) passes through the ends of the uppermost layer (6) and the connecting layer (5), and the connecting cavity (8) passes through the middle of the uppermost layer (6) and the connecting layer (5).

9. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 8, characterized in that: The cross section of the vertical hole (7) is circular, and only the bottom of the vertical hole (7) is connected to the connecting cavity (8).

10. The prefabricated composite floor slab capable of being later reinforced with steel bars and repositioned according to claim 8, characterized in that: The cross-sectional dimensions of the connecting cavity (8) at the uppermost layer (6) are smaller than the cross-sectional dimensions of the connecting cavity (8) at the connecting layer (5); the cavity walls of the connecting cavity (8) at the uppermost layer (6) and the connecting layer (5) are both inclined surfaces; and the cross-sectional dimensions of the connecting cavity (8) at the uppermost layer (6) and the connecting layer (5) are both trapezoidal.

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