CN215167032U

CN215167032U - Prefabricated sandwich laminated slab

Info

Publication number: CN215167032U
Application number: CN202121225880.4U
Authority: CN
Inventors: 李凤武; 廖超; 刘捷超; 黎骐玮; 侯智勇; 禹曼琳
Original assignee: Hunan Architectural Design Institute Group Co ltd
Current assignee: Hunan Architectural Design Institute Group Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-14
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a prefabricated sandwich superimposed sheet, it includes steel bar mesh piece, first concrete layer, battenboard, second concrete layer, drawknot reinforcing bar and rings, and is a plurality of rings and many the drawknot reinforcing bar is located on the wire side of steel bar mesh piece and pour into wholly by first concrete layer, the battenboard lays in first concrete layer's surface, just the battenboard is each relatively drawknot reinforcing bar and rings are equipped with the perforation, second concrete layer pour in the top of battenboard, first concrete layer and second concrete layer pass through the concrete that the perforation formed is connected, drawknot reinforcing bar and rings all stretch out second concrete layer. The sandwich board is designed in the prefabricated laminated slab, so that the heat preservation and sound insulation performance of the laminated slab is improved, and the secondary heat preservation and sound insulation construction process is omitted; the tie bars are used as the shear connectors between the laminated slab and the cast-in-place concrete, so that the self weight is light, and the manufacturing cost is reduced.

Description

Prefabricated sandwich laminated slab

Technical Field

The utility model relates to an assembly type structure production technical field especially relates to a prefabricated sandwich superimposed sheet.

Background

With the further promotion and improvement of the requirements of building energy conservation and living quality, the heat preservation and sound insulation performance of building floors becomes one of the control indexes of building quality.

The traditional composite floor slab has poor heat insulation and sound insulation performance, the construction of the traditional composite floor slab also usually adopts a floating floor slab method of post heat insulation treatment, the method has complicated steps, the ground of the formed floor slab is easy to have common quality problems of cracking, hollowing and the like, the quality control is poor, and the mass energy of living goods is influenced; in addition, the traditional laminated slab adopts a large number of steel bar trusses, and is heavy in weight and high in production cost. Therefore, a novel integrated laminated plate which has the functions of heat preservation and sound insulation and reduces the weight on the premise of meeting the structural design strength is developed, and the laminated plate has wide market prospect and good economic and social benefits.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a superimposed sheet integrates that has heat preservation and sound insulation function and reduce weight under the prerequisite that satisfies structural design intensity.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a prefabricated sandwich superimposed sheet, includes steel bar mesh piece, first concrete layer, battenboard, second concrete layer, drawknot reinforcing bar and rings, it is a plurality of rings and many the drawknot reinforcing bar is located it is whole to pour into by first concrete layer on the wire side of steel bar mesh piece, the battenboard lays in the surface of first concrete layer, just the battenboard is relative each drawknot reinforcing bar and rings are equipped with the perforation, and second concrete layer pour in the top of battenboard, first concrete layer and second concrete layer pass through the concrete column that the perforation formed is connected, drawknot reinforcing bar and rings all stretch out the second concrete layer.

In a preferred embodiment of the prefabricated sandwich composite slab of the present invention, the tie bars are Z-shaped, and a plurality of the tie bars are distributed on the mesh surface of the reinforcing mesh sheet in a dotted or plum shape.

In a preferred embodiment of the present invention, the hanging ring is formed by bending two ends of the U-shaped steel bar to the same side or different sides.

In a preferred embodiment of the present invention, the through holes of the sandwich panel are circular, oval, triangular, rectangular, prismatic, or quincunx.

In a preferred embodiment of the present invention, the holes of the sandwich panel have the same or different shapes.

In a preferred embodiment of the prefabricated sandwich laminated slab provided by the present invention, the sandwich board is a composite board formed by combining a thermal insulation material and a sound insulation material.

Compared with the prior art, the utility model provides a prefabricated double-layered core superimposed sheet's beneficial effect is: the sandwich board is designed in the prefabricated laminated slab, so that the heat preservation and sound insulation performance of the laminated slab is improved, the secondary heat preservation and sound insulation construction process is omitted, the sandwich board is not damaged in the construction process due to the design of the sandwich structure, the dead weight of the laminated slab is reduced, the using amount of concrete is saved, and the manufacturing cost is reduced; the sandwich plate is provided with the through holes, so that the first concrete layer and the second concrete layer are connected into a whole through the concrete columns formed by the through holes, and the integral stress performance of the laminated floor slab is improved; the design of the tie bars increases the rigidity of the laminated slab, and the tie bars are also used as a shear connector between the laminated slab and cast-in-place concrete, so that compared with the traditional truss laminated slab, the self weight is light, the using amount of the bars is reduced, the manufacturing cost is reduced, and the shear resistance between the prefabricated laminated floor slab and the concrete junction surface of the cast-in-place layer is enhanced under the combined action of the tie bars and the hanging rings; the tie bars also have the supporting effect on the surface layer reinforcing steel bars in the floor slab cast-in-place layer, and the binding of the floor slab surface layer reinforcing steel bars is convenient during field construction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

FIG. 1 is a schematic structural view of a prefabricated sandwich composite slab provided by the present invention;

FIG. 2 is a cross-sectional view A-A provided in FIG. 1;

fig. 3 is a cross-sectional view B-B provided in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment provides a prefabricated sandwich composite slab 1, as shown in fig. 1 to fig. 3, comprising a steel mesh sheet 101, a first concrete layer 102, a sandwich plate 103, a second concrete layer 104, tie bars 105 and hanging rings 106.

A plurality of rings 106 and a plurality of tie bars 105 are arranged on the net surface of the steel mesh sheet 101 and are integrally poured by the first concrete layer 102, and the rings of the embodiment are used for: hoisting points are provided for hoisting the laminated slab, so that the laminated slab is convenient to hoist; the design of the tie bars increases the rigidity of the laminated slab, and the tie bars are also used as a shear connector between the laminated slab and cast-in-place concrete, so that compared with the traditional truss laminated slab, the self weight is light, the using amount of the bars is reduced, the manufacturing cost is reduced, and the shear resistance between the prefabricated laminated floor slab and the concrete junction surface of the cast-in-place layer is enhanced under the combined action of the tie bars and the hanging rings; meanwhile, the tie bars also have the supporting effect on surface layer reinforcing steel bars in the floor slab cast-in-place layer, and the binding of the surface layer reinforcing steel bars of the floor slab is convenient during site construction.

The sandwich board 103 is laid on the surface of the first concrete layer 102, the sandwich board 103 is provided with through holes 1030 corresponding to each tie bar 105 and each hanging ring 106, and the second concrete layer 104 is poured above the sandwich board 103, preferably, the sandwich board 103 of the embodiment is a composite board formed by compounding heat insulation materials and sound insulation materials, the heat insulation and sound insulation materials are arranged in the laminated slab, so that the laminated slab has excellent heat insulation and sound insulation performance, the built-in structure is adopted, compared with the traditional floating floor construction method, the secondary heat insulation and sound insulation construction process is omitted, the heat insulation and sound insulation materials are not damaged in the construction process, the first concrete layer 102 and the second concrete layer 104 are connected through concrete columns formed by the through holes 1030, and the tie bars 105 and the hanging rings 106 extend out of the second concrete layer 104. According to the embodiment, the sandwich board is designed in the prefabricated laminated slab, so that the heat preservation and sound insulation performance of the laminated slab is improved, secondary heat preservation and sound insulation construction procedures are omitted, the sandwich board is guaranteed not to be damaged in the construction process due to the design of the sandwich structure, the self weight of the laminated slab is reduced, the using amount of concrete is saved, and the manufacturing cost is reduced; the through holes are formed in the sandwich plate, so that the first concrete layer and the second concrete layer are connected into a whole through the concrete columns formed by the through holes, and the integral stress performance of the laminated floor slab is improved.

Preferably, the hanging ring 106 is formed by bending two ends of a U-shaped steel bar to the same side or different sides.

In the specific embodiment: firstly, arranging a die for the laminated plate on a production die table, arranging a steel bar mesh and a hanging ring, wherein the horizontal part of the hanging ring needs to be arranged at the lower layer of the steel bar mesh; arranging tie bars, wherein the horizontal parts of the bottoms of the tie bars need to be arranged at the lower layer of the steel bar meshes to hook the steel bar meshes, pouring concrete to finish the manufacture of a first concrete layer, laying and fixing a sandwich plate, determining the positions of through holes on the sandwich plate according to the distribution of the tie bars, continuously pouring concrete to finish the manufacture of a second concrete layer, and finally performing roughening treatment on the top of the laminated slab to finish the setting of a rough surface; and finally, maintaining and demolding to finish all production steps of the prefabricated sandwich laminated slab.

Example two

On the basis of the first embodiment, the tie bars 105 of the present embodiment are Z-shaped, as shown in fig. 1 and fig. 3, a plurality of tie bars 105 are distributed on the mesh surface of the reinforcing mesh sheet 101 in a dotted or plum blossom shape, and the specific number and diameter are determined according to the design, so as to meet the structural strength design of the laminated floor slab.

EXAMPLE III

Based on the first embodiment or the second embodiment, the through holes 1030 of the sandwich plate 103 of the present embodiment are configured to be one of circular, oval, triangular, rectangular, prismatic and quincunx shapes, as shown in fig. 1, the present embodiment is exemplarily circular, and other embodiments may be other shapes such as oval, triangular and the like.

Specifically, the through holes 1030 on the sandwich plate 103 in the present embodiment have the same shape, and in other embodiments, the through holes 1030 on the sandwich plate 103 have different shapes, that is: different perforations in the same sandwich panel take different shapes.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a prefabricated sandwich superimposed sheet which characterized in that: including steel bar mesh piece, first concrete layer, battenboard, second concrete layer, lacing wire and rings, it is a plurality of rings and many lacing wire locates whole is pour into by first concrete layer on the wire side of steel bar mesh piece, the battenboard lays in the surface of first concrete layer, just the battenboard is relative each lacing wire and rings are equipped with the perforation, second concrete layer pour in the top of battenboard, first concrete layer and second concrete layer pass through the concrete column that the perforation formed is connected, lacing wire and rings all stretch out the second concrete layer.

2. The prefabricated sandwich composite panel according to claim 1, wherein: the tie bars are Z-shaped, and a plurality of tie bars are distributed on the mesh surface of the reinforcing mesh sheet in a dotted or plum blossom shape.

3. The prefabricated sandwich composite panel according to claim 1, wherein: the lifting ring is formed by bending two ends of the U-shaped steel bar to the same side or different sides.

4. The prefabricated sandwich composite panel according to claim 1, wherein: the through holes of the sandwich plate are in one of a round shape, an oval shape, a triangular shape, a rectangular shape, a prismatic shape and a quincunx shape.

5. The prefabricated sandwich composite panel of claim 4, wherein: the perforations in the sandwich panel may be of the same or different shape.

6. The prefabricated sandwich composite panel according to claim 1, wherein: the sandwich board is a composite board formed by compounding a heat insulation material and a sound insulation material.