CN210395832U

CN210395832U - Widened autoclaved aerated concrete plate

Info

Publication number: CN210395832U
Application number: CN201920762243.7U
Authority: CN
Inventors: 柯秋; 柯茂彪
Original assignee: Guangzhou Jianbang Building Material Co ltd
Current assignee: Guangzhou Jianbang Building Material Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-04-24
Anticipated expiration: 2029-05-25

Abstract

The utility model relates to the technical field of autoclaved aerated concrete slab processing, in particular to a widened autoclaved aerated concrete slab; the aerated concrete comprises an aerated concrete main body and a steel reinforcement framework, wherein the aerated concrete main body is in a rectangular plate shape, the steel reinforcement framework is embedded in the aerated concrete main body, and a self-healing cement layer is wrapped on the periphery of the steel reinforcement framework; the reinforcing steel bar framework is arranged, so that the overall strength of the concrete slab is improved, and even a slab which is two meters long or wide and ten centimeters long is manufactured, the slab is not easy to break during transportation, and the manufacturing method is suitable for manufacturing ultra-wide plates; the self-healing cement layer wraps the periphery of the reinforcing steel bar, moisture is not easy to contact with the reinforcing steel bar when no crack exists, and even if the self-healing cement layer is broken, the self-healing cement layer can automatically heal to a certain degree in the moisture invasion process to block or reduce the moisture to continuously invade the reinforcing steel bar.

Description

Widened autoclaved aerated concrete plate

Technical Field

The utility model belongs to the technical field of evaporate and press aerated concrete slab processing technique and specifically relates to a widened type evaporates presses aerated concrete panel.

Background

The autoclaved aerated concrete slab is a lightweight porous concrete product which is prepared by taking siliceous materials (sand, fly ash, silicon-containing tailings and the like) and calcareous materials (lime, cement) as main raw materials, adding a gas former (aluminum powder) and carrying out the processes of proportioning, stirring, pouring, pre-curing, cutting, autoclaving, curing and the like.

When a heat-insulating and breathable temporary house is built in a tropical low-income area, the aerated concrete slab is a popular building material, and with the popularization of reinforced concrete frames, builders in the area hope to obtain a wider aerated concrete slab for laying the periphery between the reinforced concrete frames as a wall surface, so that the building is stable and heat-insulating.

However, the overall strength of the prior art aerated concrete slab is poor due to the porous characteristic of the prior art aerated concrete slab. Taking a ten-centimeter-thick air-entrapping board for a wall surface as an example, the length or width of the air-entrapping board is usually not more than 1.5 meters without a steel reinforcement cage at present, because the middle part is bent and broken due to self weight when the air-entrapping board is too long or too wide for carrying. Some manufacturers adopt reinforcing steel bars as frameworks to improve the strength of the reinforcing steel bars, but the reinforcing steel bars in concrete are difficult to ensure the strength once being rusted, and the existing aerated concrete slabs have better air permeability, so that moisture can easily enter the concrete and invade the reinforcing steel bars.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a widened type evaporates pressure aerated concrete panel, its bulk strength is higher, is difficult to appear damaged because of the dead weight when the transport, and its inside has the reinforcing bar, nevertheless is difficult to rust, has longer life.

The technical scheme of the utility model is that:

the widened autoclaved aerated concrete plate is characterized in that: it includes aerated concrete main part, framework of steel reinforcement, the aerated concrete main part is the platelike of rectangle, the embedding has framework of steel reinforcement in the aerated concrete main part, framework of steel reinforcement periphery parcel has the self-healing cement layer.

It is specific, steel reinforcement framework includes a montant, three horizontal poles and four down tube, horizontal pole and montant vertical welding, the welding is at the upper and lower both ends of montant with the down tube intersects, because the utility model discloses the finished product is vertical stacks the simple and easy building materials that use as the wall, so need not adopt the reinforcing bar net, only needs simple skeleton can reach purpose intensity, can also save a large amount of reinforcing bars in addition.

Specifically, the framework of steel reinforcement material is the screw-thread steel, because the screw-thread steel surface has coarse line, is fit for self-healing cement to adhere to and concretize.

Specifically, the thickness of the self-healing cement layer is between 5 mm and 10 mm, the self-healing cement in the prior art can automatically heal cracks with the width of less than 0.5 mm under the condition of water, so the self-healing cement layer cannot be too thin, too many chaps generated when the self-healing cement layer is dried are reduced, and certainly, the self-healing cement layer cannot be too thick, and the cement paste is difficult to cure and is easy to fall off from the reinforcing steel bars due to self weight in the curing process.

Specifically, the periphery of the aerated concrete body is coated with a surface reinforcing layer. The surface is coated with the reinforcing agent, micropores near the outer surface of the aerated concrete main body are filled and blocked, the surface strength is greatly improved, dust and foreign matters are blocked due to the characteristic of the reinforcing agent, the gas permeation is not influenced, and the gas permeability is not greatly reduced.

The utility model has the advantages that: the reinforcing steel bar framework is arranged, so that the overall strength of the concrete slab is improved, and even a slab which is two meters long or wide and ten centimeters long is manufactured, the slab is not easy to break during transportation, and the manufacturing method is suitable for manufacturing ultra-wide plates; the self-healing cement layer wraps the periphery of the reinforcing steel bar, moisture is not easy to contact with the reinforcing steel bar when no crack exists, and even if the self-healing cement layer is broken, the self-healing cement layer can automatically heal to a certain degree in the moisture invasion process to block or reduce the moisture to continuously invade the reinforcing steel bar.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a rebar skeleton;

figure 3 is the utility model discloses the picture in kind of the interim board house built.

In the figure, 1, an aerated concrete body; 2. a steel reinforcement cage; 3. and (5) self-healing the cement layer.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-2, the widened autoclaved aerated concrete slab is characterized in that: it includes aerated concrete main part 1, steel reinforcement cage 2, aerated concrete main part 1 is the platelike of rectangle, the embedding has steel reinforcement cage 2 in the aerated concrete

main part

1, 2 periphery parcels of steel reinforcement cage have self-healing cement layer 3.

The steel reinforcement framework 2 comprises a vertical rod, three horizontal rods and four inclined rods, the horizontal rods are perpendicularly welded with the vertical rod, the inclined rods are welded at the upper end and the lower end of the vertical rod in an intersecting manner, and the finished product of the utility model is a simple building material which is vertically stacked and used as a wall, so that a steel reinforcement mesh is not needed, the purpose strength can be achieved only by the simple framework, and a large amount of steel reinforcements can be saved.

The material of the steel bar framework 2 is deformed steel bar, and the deformed steel bar surface has rough grains, so that the self-healing cement is suitable for adhering and solidifying.

The thickness of the self-healing cement layer 3 is between 5 millimeters and 10 millimeters, the self-healing cement in the prior art can automatically heal cracks with the width of less than 0.5 millimeter under the condition of water, so the self-healing cement layer cannot be too thin, too many chaps generated when the self-healing cement layer is dried are reduced, certainly, the self-healing cement layer cannot be too thick, and the cement paste is difficult to cure and is easy to fall off from the steel bars due to self weight in the curing process if the self-healing cement layer is too thick.

The periphery of the aerated concrete body 1 is coated with a surface reinforcing layer. The surface is coated with the reinforcing agent, micropores near the outer surface of the aerated concrete main body are filled and blocked, the surface strength is greatly improved, dust and foreign matters are blocked due to the characteristic of the reinforcing agent, the gas permeation is not influenced, and the gas permeability is not greatly reduced.

The utility model discloses a preparation method:

1) welding a steel bar framework, then stirring self-healing cement (specifically Chinese patent cement admixture, cement composition containing the admixture and concrete, the cement composition described in patent No. 200980105275.9 and publication No. 101952217B) into slurry, uniformly coating the slurry on the periphery of the steel bar framework, and curing for later use;

2) introducing the aerated concrete into a mold (firstly putting half of the total amount), and putting the steel reinforcement framework obtained in the step (1) into the mold (the steel reinforcement framework is positioned above the aerated concrete);

3) guiding the rest aerated concrete into a mould and covering a steel bar framework;

4) steam-pressing air-filling;

5) demolding and cooling;

6) a surface reinforcing layer (specifically, a super-strong concrete surface reinforcing agent provided by shengrong building materials ltd, san guan city is coated and cured to obtain the surface reinforcing layer).

The utility model discloses a use method:

as shown in fig. 3, the utility model discloses vertical piling up, adopt cement mortar rigid coupling between adjacent, cooperation reinforced concrete frame will the utility model discloses. Because no longer need the fragment of brick etc. to build a wall, can reduce the manufacturing cost and the cost of labor in house, including thermal-insulated ventilative good performance, the utility model discloses low income area in the tropical receives welcome widely.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The widened autoclaved aerated concrete plate is characterized in that: it includes aerated concrete main part, framework of steel reinforcement, the aerated concrete main part is the platelike of rectangle, the embedding has framework of steel reinforcement in the aerated concrete main part, framework of steel reinforcement periphery parcel has the self-healing cement layer.

2. The widened autoclaved aerated concrete slab according to claim 1, characterized in that: the steel bar framework comprises a vertical rod, three cross rods and four inclined rods, the cross rods are perpendicularly welded with the vertical rod, and the inclined rods are welded at the upper end and the lower end of the vertical rod in an intersecting mode.

3. The widened autoclaved aerated concrete slab according to claim 1, characterized in that: the steel reinforcement framework is made of deformed steel bars.

4. The widened autoclaved aerated concrete slab according to claim 1, characterized in that: the thickness of the self-healing cement layer is between 5 millimeters and 10 millimeters.

5. The widened autoclaved aerated concrete slab according to claim 1, characterized in that: the periphery of the aerated concrete body is coated with a surface reinforcing layer.