PC prestressed concrete composite floor slab with four simply supported edges

Abstract

The utility model relates to the technical field of building construction, and provides a four-side simply-supported PC prestressed concrete composite floor slab which comprises a prefabricated slab and a reinforcing structure. Reinforcing structures are evenly arranged in the prefabricated plate, reserved grooves are evenly formed in the outer side wall of the prefabricated plate, and supporting plates are arranged in the reserved grooves. The reinforcing structure is arranged, the built-in steel bars are evenly arranged in the prefabricated slab to reinforce the prefabricated slab, meanwhile, the connecting rods are evenly arranged on the outer wall of the prefabricated slab, the connecting rods and the connecting steel bars at the top end play a reinforcing role after concrete is poured, and the connecting rods are designed to be in an arc shape so that the connecting rods can be conveniently lifted by a lifting hook in the carrying process; and the operation convenience is improved, so that the purposes of improving the strength of the composite floor slab and facilitating carrying are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a four-side simply supported PC prestressed concrete composite floor slab. Background Art

[0002] With the development of architecture, composite floor slabs are increasingly used. They are suitable for high-rise buildings and large-span buildings that require high overall stiffness and have good integrity and continuity, which is beneficial to enhancing the seismic performance of buildings.

[0003] To this end, the patent with publication number CN206917030U discloses a floor slab, including a composite floor slab body, characterized in that: the composite floor slab body is divided into a prestressed thin plate and a cast-in-place concrete layer; the cast-in-place concrete layer is arranged above the prestressed thin plate; the prestressed thin plate is provided with prestressed main reinforcement; negative bending moment steel bars and structural steel bars are fixedly connected to the cast-in-place concrete layer; the prestressed thin plate is used as a cast-in-place bottom formwork, which has a simple structure, high integrity, high rigidity, good crack resistance, no increase in steel bar consumption, saves formwork, low cost, long service life, and can shorten the construction period of the entire project;

[0004] The composite floor slab mentioned above is composed of a prestressed thin plate and a cast-in-place concrete layer, and is reinforced by multiple sets of steel bars to improve the overall rigidity and service life. However, it is difficult to lift it conveniently during transportation, which requires a lot of labor and is not convenient to splice multiple sets to meet actual use needs. Utility Model Content

[0005] The utility model aims to provide a four-side simply supported PC prestressed concrete composite floor slab, so as to solve the defect that the existing concrete composite floor slab is inconvenient to transport and splice.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a four-side simply supported PC prestressed concrete composite floor slab, comprising a prefabricated slab and a reinforcement structure;

[0007] The interior of the prefabricated plate is uniformly provided with a reinforcement structure, the outer side wall of the prefabricated plate is uniformly provided with reserved grooves, and the interior of the reserved grooves is uniformly provided with support plates;

[0008] The reinforcement structure includes built-in steel bars, connecting rods, connecting steel bars and a concrete pouring layer, wherein the built-in steel bars are evenly arranged inside the precast panels, connecting rods are evenly arranged on the outer walls of the built-in steel bars, connecting steel bars are arranged at the top ends of the connecting rods, and concrete pouring layers are arranged at the top ends of the precast panels outside the connecting steel bars;

[0009] A splicing structure is arranged above the reserved groove on one side of the prefabricated plate.

[0010] Preferably, the built-in steel bars are distributed at equal intervals inside the prefabricated plate, and the connecting rods are distributed at equal intervals on the outer wall of the built-in steel bars.

[0011] Preferably, the connecting rod is designed to be arc-shaped, and the connecting steel bars are distributed at equal intervals above the prefabricated plate.

[0012] Preferably, both ends of one side of the support plate are provided with clamping blocks, and the support plate forms a clamping joint with the reserved groove.

[0013] Preferably, a groove is provided on one side of the support plate, and the top end of the one side of the support plate is in conflict with the bottom end of the prefabricated plate.

[0014] Preferably, the splicing structure includes a connecting block, a clamping block and a clamping groove, the connecting block is arranged above the reserved groove on one side of the prefabricated board, a clamping block is arranged on one side of the connecting block, and the clamping groove is arranged on the side of the prefabricated board away from the connecting block.

[0015] Preferably, the bottom of the connecting block is arranged inside the clamping groove, and the connecting block and the clamping groove form a clamping structure through the clamping block.

[0016] The utility model provides a four-side simply supported PC prestressed concrete composite floor slab, which has the advantages of:

[0017] By providing a reinforcement structure, internal steel bars are evenly arranged inside the precast panel to strengthen it, and connecting rods are evenly arranged on its outer wall, and the connecting steel bars with the top play a reinforcing role after pouring concrete. The connecting rods are designed in an arc shape, which makes it easy for the hook to lift it during transportation, increasing the convenience of operation, thereby achieving the purpose of increasing the strength of the composite floor slab and facilitating transportation;

[0018] By providing a splicing structure, a connecting block is provided on one side of the prefabricated panel, and clamping blocks are provided at both ends of one side. When the composite floor slab needs to be assembled and used, it is placed in the clamping groove of another set of composite floor slabs, so as to achieve splicing positioning installation and facilitate disassembly, thereby increasing the practicality of the device and achieving the purpose of easy assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 4It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. Prefabricated panel; 2. Reinforced structure; 201. Built-in steel bars; 202. Connecting rod; 203. Connecting steel bars; 204. Concrete pouring layer; 3. Reserved groove; 4. Support plate; 5. Splicing structure; 501. Connecting block; 502. Snap-in block; 503. Snap-in groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0026] See also Figure 1-Figure 5 The utility model provides a four-side simply supported PC prestressed concrete composite floor slab, comprising a prefabricated slab 1 and a reinforcement structure 2.

[0027] Reference Figure 1-Figure 4 As shown, the interior of the prefabricated panel 1 is uniformly provided with a reinforcing structure 2, and the outer wall of the prefabricated panel 1 is uniformly provided with a reserved groove 3, and the interior of the reserved groove 3 is provided with a support plate 4, and both ends of one side of the support plate 4 are provided with a clamping block, and the support plate 4 forms a clamping structure with the reserved groove 3, and one side of the support plate 4 is provided with a groove, and the top of one side of the support plate 4 is in conflict with the bottom end of the prefabricated panel 1, and the reinforcing structure 2 includes an internal steel bar 201, a connecting rod 202, a connecting steel bar 203 and a concrete pouring layer 204, and the internal steel bar 20 1 is evenly arranged inside the precast panel 1, connecting rods 202 are evenly arranged on the outer wall of the built-in steel bars 201, connecting rods 202 are evenly arranged, connecting steel bars 203 are arranged on the top of the connecting rods 202, and a concrete pouring layer 204 is arranged on the top of the outer precast panel 1 of the connecting steel bars 203. The built-in steel bars 201 are evenly distributed inside the precast panel 1, and the connecting rods 202 are evenly distributed on the outer wall of the built-in steel bars 201. The connecting rods 202 are designed in an arc shape, and the connecting steel bars 203 are evenly distributed above the precast panel 1.

[0028] For high-rise buildings and large-span buildings that require high overall rigidity, traditional construction methods are inefficient and difficult to meet their rigidity requirements, so composite floor slabs are used for construction to improve work efficiency and meet actual use needs. However, in order to improve the strength of the composite floor slabs and facilitate transportation, a reinforcing structure 2 is provided to strengthen the overall strength of the composite floor slabs and facilitate transportation, which greatly increases the practicality and convenience of the component.

[0029] Reference Figure 2 , Figure 4 and Figure 5 As shown, a splicing structure 5 is arranged above the reserved groove 3 on one side of the prefabricated panel 1, and the splicing structure 5 includes a connecting block 501, a clamping block 502 and a clamping groove 503. The connecting block 501 is arranged above the reserved groove 3 on one side of the prefabricated panel 1, and a clamping block 502 is arranged on one side of the connecting block 501. The clamping groove 503 is arranged on a side of the prefabricated panel 1 away from the connecting block 501. The bottom of the connecting block 501 is arranged inside the clamping groove 503, and the connecting block 501 and the clamping groove 503 form a clamping structure through the clamping block 502.

[0030] In the process of using the composite floor slab, it is necessary to pour concrete on its surface to meet the actual processing needs. However, in the actual use process, there may be certain requirements on the size of the floor slab and it is necessary to assemble it for use. The traditional composite floor slab is not convenient to assemble it and has certain limitations in the process of use. By providing a splicing structure 5, it is easy to assemble the composite floor slab and thus improve its practicality.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A four-side simply supported PC prestressed concrete composite floor slab, comprising a prefabricated slab (1) and a reinforcement structure (2); Features: The interior of the prefabricated plate (1) is evenly provided with a reinforcement structure (2), the outer side wall of the prefabricated plate (1) is evenly provided with a reserved groove (3), and the interior of the reserved groove (3) is evenly provided with a support plate (4); The reinforcement structure (2) comprises built-in steel bars (201), connecting rods (202), connecting steel bars (203) and a concrete pouring layer (204); the built-in steel bars (201) are evenly arranged inside the precast plate (1); connecting rods (202) are evenly arranged on the outer wall of the built-in steel bars (201); connecting steel bars (203) are arranged at the top of the connecting rods (202); and the top of the precast plate (1) outside the connecting steel bars (203) is provided with a concrete pouring layer (204); A splicing structure (5) is provided above the reserved groove (3) on one side of the prefabricated plate (1).

2. The four-side simply supported PC prestressed concrete composite floor slab according to claim 1, characterized in that: The built-in steel bars (201) are distributed at equal intervals inside the prefabricated plate (1), and the connecting rods (202) are distributed at equal intervals on the outer wall of the built-in steel bars (201).

3. The four-side simply supported PC prestressed concrete composite floor slab according to claim 1, characterized in that: The connecting rod (202) is designed to be in an arc shape, and the connecting steel bars (203) are distributed at equal intervals above the prefabricated plate (1).

4. The four-side simply supported PC prestressed concrete composite floor slab according to claim 1, characterized in that: Both ends of one side of the support plate (4) are provided with clamping blocks, and the support plate (4) forms a clamping structure with the reserved groove (3).

5. The four-side simply supported PC prestressed concrete composite floor slab according to claim 1, characterized in that: A groove is provided on one side of the support plate (4), and the top end of one side of the support plate (4) abuts against the bottom end of the prefabricated plate (1).

6. The four-side simply supported PC prestressed concrete composite floor slab according to claim 1, characterized in that: The splicing structure (5) comprises a connecting block (501), a clamping block (502) and a clamping groove (503); the connecting block (501) is arranged above a reserved groove (3) on one side of the prefabricated plate (1); the clamping block (502) is arranged on one side of the connecting block (501); and the clamping groove (503) is arranged on a side of the prefabricated plate (1) away from the connecting block (501).

7. The four-side simply supported PC prestressed concrete composite floor slab according to claim 6, characterized in that: The bottom of the connection block (501) is arranged inside the clamping groove (503), and the connection block (501) and the clamping groove (503) form a clamping structure through the clamping block (502).

Images