CN217461164U

CN217461164U - Precast concrete wallboard

Info

Publication number: CN217461164U
Application number: CN202220070902.2U
Authority: CN
Inventors: 王旭东; 陈钊强; 邱惠永
Original assignee: Fujian Jingfa Internet Of Things Technology Co ltd
Current assignee: Fujian Jingfa Internet Of Things Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-09-20
Anticipated expiration: 2032-01-12

Abstract

The utility model provides a precast concrete wallboard, which comprises a first concrete layer, a second concrete layer and a third concrete layer which are connected in sequence, the second concrete layer comprises a concrete grid and a raw concrete filler, a first reinforcing mesh is embedded inside the first concrete layer, the first reinforcing mesh is provided with first connecting reinforcing bars which are inserted into the concrete grids, a second reinforcing mesh fixedly connected with the first connecting reinforcing bars is embedded inside the concrete grids, the second reinforcing mesh is provided with second connecting reinforcing bars which are inserted into the third concrete layer, a third reinforcing mesh fixedly connected with the second connecting reinforcing bars is embedded into the third concrete layer, and the first concrete layer and the third concrete layer are respectively provided with reserved holes at positions corresponding to the lattices of the concrete grid. Through setting up the concrete grid, help promoting the rigidity and the anti-shear property of precast concrete wallboard, the building quality is higher relatively.

Description

Precast concrete wallboard

Technical Field

The utility model relates to a building material, especially a precast concrete wallboard.

Background

Traditional concrete building mainly adopts cast in place's mode to be under construction, and the construction cycle is long, and building rubbish is many, consequently, more and more concrete building is offered and is adopted the precast concrete wallboard that can pour in the mill to be under construction, very big shortening the construction cycle, and building rubbish is also less relatively.

The main structure of the existing precast concrete wall panel is not different from the main structure of the traditional cast-in-place concrete wall panel, and mainly adopts a single-layer structure embedded with a reinforcing mesh, however, because the cast-in-place concrete wall panel is usually an integrated structure, and the precast concrete wall panel is usually a splicing structure, the same main structure, the rigidity of the precast concrete wall panel is relatively low, and the precast concrete wall panel is easy to deform under the action of shearing force to influence the building quality.

In view of the above, the applicant has made an intensive study on the structure of a precast concrete wallboard, and has developed the present application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building quality is higher precast concrete wallboard relatively.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a precast concrete wallboard comprises a first concrete layer, a second concrete layer and a third concrete layer which are connected in sequence, the second concrete layer comprises a concrete grid in a grid shape and raw concrete fillers filled in the grids of the concrete grid, a first reinforcing mesh is embedded inside the first concrete layer, the first reinforcing mesh is provided with first connecting reinforcing bars which are inserted in the concrete grids, a second reinforcing mesh fixedly connected with the first connecting reinforcing bars is embedded in the concrete grid, the second reinforcing mesh is provided with second connecting reinforcing bars which are inserted into the third concrete layer, a third reinforcing mesh fixedly connected with the second connecting reinforcing bars is embedded into the third concrete layer, and the first concrete layer and the third concrete layer are respectively provided with reserved holes at positions corresponding to the lattices of the concrete grid.

As an improvement of the utility model, first concrete layer is kept away from one side of second concrete layer and third concrete layer is kept away from one side of second concrete layer is provided with the plastering layer respectively, the plastering layer covers correspondingly the preformed hole.

As an improvement of the utility model, the first concrete layer the second concrete layer with the width on third concrete layer is the same, the first concrete layer with the height of second concrete is the same, the height on third concrete layer is greater than the height on second concrete layer, just the third concrete layer is higher than the position on second concrete layer forms horizontal eaves.

As an improvement of the utility model, the second reinforcing bar net has the follow the steel bar post that the up end on second concrete layer was worn out, the horizontal position of the up end of steel bar post is less than the horizontal position of the up end on third concrete layer.

As an improvement of the utility model, the first reinforcing mesh the second reinforcing mesh with the both sides of third reinforcing mesh width direction have respectively from the side reinforcing bar of wearing out in the concrete layer that corresponds.

As an improvement of the utility model, part the preformed hole is also filled with the raw soil filler.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

1. through setting up the concrete grid, help promoting the rigidity and the anti-shear property of precast concrete wallboard, the building quality is higher relatively.

2. The raw soil filler is filled in the lattices of the concrete grating, the concrete grating is utilized to limit the raw soil filler, the raw soil filler is prevented from cracking, the compression resistance of the raw soil can be fully exerted, the bearing capacity of the raw soil is effectively improved, and the compression resistance and the bearing capacity of the precast concrete are further improved.

3. Through the arrangement of the preformed holes, compared with the traditional concrete wall board, the concrete wall board has a certain breathing function, and can adjust the indoor temperature and humidity and the air quality to a certain degree; meanwhile, the preformed hole can be used as a hoisting hole or a mold fixing hole in the construction process and used as a mounting hole of a pendant (such as a curtain wall) or furniture (such as an air conditioner) in the decoration of a building veneer, so that the cracking problem possibly caused by frequent drilling of the precast concrete wallboard in the construction and decoration processes is avoided, the safety is improved, and the construction and decoration are facilitated (because the drilling is not needed).

Drawings

Fig. 1 is a schematic structural view of the precast concrete wall panel of the present invention;

fig. 2 is the structure schematic diagram of the second concrete layer in the utility model.

The designations in the figures correspond to the following:

10-a first concrete layer; 11-side reinforcing bars;

20-a second concrete layer;

21-concrete grating; 22-a raw soil filler;

23-a steel bar column; 24-adjusting the second connecting steel bar;

30-a third concrete layer;

31-horizontal eaves; 40-plastering layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the present embodiment provides a precast concrete wall panel including a first concrete layer 10, a second concrete layer 20, and a third concrete layer 30 connected in sequence. It should be noted that in this embodiment, the structure of the precast concrete wall panel is described by taking the use state of the precast concrete wall panel as an example, in which the first concrete layer 10, the second concrete layer 20 and the third concrete layer 30 are all vertically arranged, but the precast concrete wall panel may be laid flat or even turned upside down during the manufacturing, transportation and construction processes.

The first concrete layer 10 is embedded with a first reinforcing mesh, two sides of the first reinforcing mesh in the width direction are respectively provided with a side reinforcing bar 11 which penetrates out of the first concrete layer 10 and is horizontally arranged, the side reinforcing bar 11 is mainly used for connecting two adjacent concrete wallboards with the side reinforcing bar, the specific connecting structure is the same as that of a conventional prefabricated concrete wallboard, and the detailed description is omitted here. The first reinforcing mat also has first connecting reinforcing bars (not shown) which are horizontally arranged and pass through the first concrete layer 10 toward the side of the second concrete layer 20, and the first connecting reinforcing bars are arranged vertically to the side reinforcing bars 11. In order to improve the continuity and adhesion between the first concrete layer 10 and the second concrete layer 20, it is preferable to roughen the side of the first concrete layer 10 facing the second concrete layer 20 after the first concrete layer 10 is poured and cured.

The second concrete layer 20 includes a concrete grid 21 in a grid shape and a raw soil filler 22 filled in the cells of the concrete grid 21, wherein a second reinforcing mesh (not shown) fixedly connected with the first connecting reinforcing bars is embedded inside the concrete grid 21, i.e. the first connecting reinforcing bars are inserted into the concrete grid 21. The concrete fixed connection structure between the first connecting reinforcing bar and the second reinforcing mesh is the same as the fixed connection structure between the reinforcing bars in the second reinforcing mesh, such as welding or binding. Like the first reinforcing mat, the second reinforcing mat also has horizontally arranged side reinforcing bars 11 extending out of the second concrete layer 20 on both sides in the width direction, and also has horizontally arranged second connecting reinforcing bars 24 extending out of the second concrete layer 20 toward the third concrete 30, the second connecting reinforcing bars 24 being arranged vertically to the side reinforcing bars 11. During manufacturing, the first concrete layer 10 is used as the bottom surface of the mould to be poured on the first concrete layer 10, the pouring mould is removed after pouring is completed and solidification is carried out, a concrete grid 21 is formed, then, raw soil fillers 22 are filled in grids of the concrete grid 21, and the raw soil fillers 22 comprise raw soil as the main component and are mixed with quicklime and vegetable oil. In order to improve the continuity and adhesion between the second concrete layer 20 and the third concrete layer 30, it is preferable to perform a roughening process on the side of the concrete grid 21 facing the third concrete layer 30.

The third concrete layer 30 is embedded with a third steel bar mesh fixedly connected with the second connecting steel bar 24, that is, the second connecting steel bar mesh 24 is inserted into the third concrete layer 30, and like the first steel bar mesh, both sides of the third steel bar mesh in the width direction are respectively provided with side steel bars 11 which penetrate out of the third concrete layer 30 and are horizontally arranged.

In addition, the first concrete layer 10 and the third concrete layer 30 are respectively opened with prepared holes (not shown in the drawing) at positions corresponding to the lattices of the concrete grid 21. The preformed hole can be formed by inserting a solid steel pipe on the pouring mould, and the inner hole of the hollow pipe can be used as the preformed hole by embedding the hollow pipe. The position preformed hole can be used as a hoisting hole or a mold fixing hole in the construction process, the position preformed hole can be used as a mounting hole of a pendant (such as a curtain wall) or furniture (such as an air conditioner), the raw soil filler 22 is filled in part of the preformed hole, and the embodiment is described by taking the example that the raw soil filler 22 is not filled in the preformed hole as an example.

Preferably, one side of the first concrete layer 10 away from the second concrete layer 20 and one side of the third concrete layer 30 away from the second concrete layer 20 are respectively provided with a plastering layer 40, and the plastering layer 40 covers the corresponding preformed hole, it should be noted that the corresponding preformed hole herein refers to a preformed hole located on the corresponding concrete layer, but does not include preformed holes serving as a hoisting hole, a mold fixing hole, and a mounting hole of a pendant or furniture.

Preferably, the widths of the first concrete layer 10, the second concrete layer 20 and the third concrete layer 30 are the same, the heights of the first concrete layer 10 and the second concrete layer 20 are the same, the height of the third concrete layer 30 is greater than the height of the second concrete layer 20, a transverse eave 31 is formed at a position of the third concrete layer 30 higher than the second concrete layer 20, meanwhile, the second mesh reinforcement has a steel bar column 23 penetrating out of the upper end face of the second concrete layer 20, and the horizontal position of the upper end face of the steel bar column 23 is lower than that of the upper end face of the third concrete layer 30 and is used for being connected with a concrete floor. Therefore, when the concrete floor slab is poured, the transverse eaves can be used as the side mold of the concrete floor slab, the connection performance is relatively good, the side mold does not need to be detached after the concrete floor slab is poured, the process is simplified, and the construction efficiency is improved. It should be noted that the lateral eaves may be disposed on the first concrete layer 10.

The present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention according to the prior art, and these all belong to the protection scope of the present invention.

Claims

1. A precast concrete wallboard is characterized by comprising a first concrete layer, a second concrete layer and a third concrete layer which are connected in sequence, the second concrete layer comprises a concrete grid in a grid shape and raw concrete fillers filled in the grids of the concrete grid, a first reinforcing mesh is embedded inside the first concrete layer, the first reinforcing mesh is provided with first connecting reinforcing bars which are inserted in the concrete grids, a second reinforcing mesh fixedly connected with the first connecting reinforcing bars is embedded in the concrete grid, the second reinforcing mesh is provided with second connecting reinforcing bars which are inserted into the third concrete layer, a third reinforcing mesh fixedly connected with the second connecting reinforcing bars is embedded into the third concrete layer, and the first concrete layer and the third concrete layer are respectively provided with reserved holes at positions corresponding to the lattices of the concrete grid.

2. The precast concrete wall panel according to claim 1, wherein a side of the first concrete layer away from the second concrete layer and a side of the third concrete layer away from the second concrete layer are respectively provided with a plastering layer covering the corresponding prepared holes.

3. The precast concrete wall panel of claim 1, wherein the first concrete layer, the second concrete layer and the third concrete layer have the same width, the first concrete layer and the second concrete layer have the same height, the third concrete layer has a height greater than that of the second concrete layer, and a portion of the third concrete layer higher than the second concrete layer forms a horizontal ledge.

4. A precast concrete wall panel according to claim 3, wherein the second reinforcing mesh has a reinforcing column penetrating from an upper end surface of the second concrete layer, and a horizontal position of an upper end surface of the reinforcing column is lower than a horizontal position of an upper end surface of the third concrete layer.

5. A precast concrete wall panel according to any one of claims 1 to 4, wherein the first, second and third reinforcing meshes have side reinforcing bars protruding from the corresponding concrete layer at both widthwise sides thereof, respectively.

6. The precast concrete wall panel of any one of claims 1 to 4, wherein a portion of the prepared holes are also filled with the raw soil filler.