CN213572493U

CN213572493U - Aerated concrete block wall with anti-cracking structure

Info

Publication number: CN213572493U
Application number: CN202021015039.8U
Authority: CN
Inventors: 胡晓莲; 王强; 涂发强; 黄澍; 杨俊�
Original assignee: JIANGXI FIRST CONSTRUCTION ENGINEERING CORP
Current assignee: JIANGXI FIRST CONSTRUCTION ENGINEERING CORP
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-06-29
Anticipated expiration: 2030-06-05

Abstract

The utility model provides an aerated concrete block wall with crack control structure, it includes wall body basic unit and sets up the layer of plastering at wall body basic unit surface. The wall body base layer comprises a first setting area, a second setting area and an external corner, and the second setting area is located on one side of the first setting area. An anti-crack glass fiber net layer and a corner protection structure are arranged between the plastering layer and the wall body base layer; wherein, anti-crack glass fiber net layer sets up in the junction of first setting region and second setting region. The anti-crack glass fiber net layer has the capability of resisting deformation and is used for placing the plastering layer to deform; the corner protection structure is arranged at the external corner of the wall body base layer and used for preventing the external corner of the wall body base layer from being broken. The utility model discloses an aerated concrete block wall with crack control structure increases anti glass fiber mesh layer that splits through the surface at wall body basic unit, has improved the mechanical strength on plastering layer, has improved the tensile strength on plastering layer, has prevented fissured production effectively.

Description

Aerated concrete block wall with anti-cracking structure

Technical Field

The utility model relates to a building field, in particular to aerated concrete block wall with crack control structure.

Background

Along with the development of city construction in China, the construction market competition is increasingly intense along with the continuous improvement of city appearance of cities and the continuous improvement of awareness of traffic and building protection. In the construction of constructional engineering, the plastering of the aerated concrete block wall is controlled according to the traditional process. The plastering layer of the traditional aerated concrete block wall body has low strength and is easy to crack.

Therefore, the aerated concrete block wall with an anti-cracking structure needs to be provided to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aerated concrete block wall with crack control structure, it is through increasing anti glass fiber mesh layer that splits at the layer of plastering, and is equipped with the angle bead structure in the external corner department of wall body, and it is low to have solved traditional aerated concrete block wall body layer of plastering tensile strength, easily takes place the problem of sky crack phenomenon.

In order to solve the technical problem, the utility model adopts the technical scheme that: an aerated concrete block wall with an anti-cracking structure comprises a wall body base layer and a plastering layer arranged on the outer surface of the wall body base layer,

the wall body base layer comprises a first setting area and a second setting area positioned on one side of the first setting area,

wherein a plastering layer and a wall body base layer are arranged between the plastering layer and the wall body base layer

The anti-crack glass fiber net layer is positioned at the joint of the first arrangement area and the second arrangement area, the anti-crack glass fiber net layer has the deformation resistance and is used for preventing the plastering layer from deforming,

the anti-crack glass fiber mesh layer and the first setting area are overlapped to form a first covering area, and the anti-crack glass fiber mesh layer and the second setting area are overlapped to form a second covering area; and

the corner protection structure is arranged at the external corner of the wall body base layer, is positioned between the wall body base layer and the plastering layer and is used for preventing the external corner of the plastering layer from cracking. The wall body is connected with the finish coat through the anti-crack glass fiber net layer, has improved the mechanical strength of finish coat, has guaranteed the resistance continuity of finish coat, disperses the contraction pressure of finish coat, has avoided the stress concentration of finish coat to improve the tensile strength of finish coat, strengthened the ability that the wall body resisted deformation fracture.

In the utility model, the corner protection structure comprises a first end part arranged on one side of the external corner and a second end part arranged on the other side of the external corner,

the joint of the first end part and the second end part is in a sharp-angled shape.

In the utility model, the corner protection structure comprises a first end part arranged in the central setting area and a second end part arranged in the transverse edge setting area,

the joint of the first end part and the second end part is in a sharp-angled shape, so that the structural stability of the corner of the wall body is improved.

The utility model discloses in, the width of first end is greater than 50mm, the width of second end is greater than 50 mm.

In the utility model, the included angle range between the first end and the second end is between 40 degrees and 60 degrees.

The utility model discloses in, first coverage area's width is greater than 100mm, second coverage area's width is greater than 100mm, has promoted the stability of anti structure of splitting, has avoided anti glass fiber net layer hollowing, has stuck up the problem on limit.

In the utility model, the anti-crack glass fiber net layer comprises

The anti-cracking glass fiber net is used for cracking the wall;

the first anti-crack mortar layer is arranged between the anti-crack glass fiber net and the wall base layer, and the anti-crack glass fiber net is connected with the wall base layer through the first anti-crack mortar layer; and

and the second anti-cracking mortar layer is arranged between the anti-cracking glass fiber net and the plastering layer, penetrates through meshes of the anti-cracking glass fiber net and is connected with the first anti-cracking mortar layer. The anti-crack glass fiber net layer improves the mechanical strength of the plastering layer and reduces the phenomenon of wall body crack through the combined action of the plastering mortar and the anti-crack glass fiber net layer.

The utility model discloses in, anti glass fiber net that splits is equipped with a plurality of groups, and a plurality of adjacent overlap joint each other between the anti glass fiber net that splits has promoted the structural stability on anti glass fiber net layer that splits.

The utility model discloses in, adjacent overlap length between the glass fiber net is greater than 50mm, has avoided glass fiber net fold, hollowing, has stuck up limit scheduling problem.

The utility model discloses in, the thickness on first anti mortar layer that splits is between 3 ~ 4mm, the thickness on second anti mortar layer that splits is between 3 ~ 4mm, has promoted the stability of anti glass fiber net layer structure that splits.

The utility model discloses in, first coverage area's width is greater than 100mm, second coverage area's width is greater than 100 mm.

In the utility model, the wall body base layer is provided with a groove for placing the box body, one side of the wall body base layer is provided with a steel wire mesh for sealing the opening of the groove,

the lap joint width of each side edge of the steel wire mesh and the wall body base layer is larger than 100 mm. The steel wire mesh improves the surface smoothness of the wall body base layer and improves the integral attractiveness of the building.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses an aerated concrete block wall with crack control structure increases anti glass fiber mesh layer that splits through the surface at wall body basic unit, has improved the mechanical strength on plastering layer, has guaranteed the resistance continuity on finish coat, has improved the tensile strength on plastering layer, has prevented fissured production effectively.

Furthermore, the utility model discloses an external corner department at the wall body is equipped with the angle bead structure, has improved the stability of wall body external corner department structure, has promoted the square and straight, the straightness accuracy of external corner, makes the impression quality obtain further improvement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is a schematic view of a wall structure of the aerated concrete block wall with an anti-cracking structure according to the preferred embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a cross-sectional view of the preferred embodiment of the aerated concrete block wall with an anti-cracking structure according to the present invention.

Fig. 4 is an enlarged view of the structure at a in fig. 3.

Fig. 5 is an enlarged view of the structure at B of fig. 3.

Fig. 6 is a structural distribution schematic diagram of the anti-crack glass fiber net layer of the preferred embodiment of the aerated concrete block wall body with the anti-crack structure.

Fig. 7 is a second schematic structural view of the aerated concrete block wall with an anti-cracking structure of the utility model.

Reference numerals: the wall body base layer 11, the first arrangement region 111, the second arrangement region 112, the external corner 113, the plastering layer 12, the mortar bottom layer 121, the mortar surface layer 122, the cracked glass fiber net layer 13, the first anti-cracking mortar layer 131, the anti-cracking glass fiber net 132, the second anti-cracking mortar layer 133, the first covering region 13a, the second covering region 13b, the corner protection structure 14, the first end portion 141 and the second end portion 142.

The second structure of the wall body is as follows: wall body base course 21, recess 21a, wire net 22.

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 the skilled in the art without creative work belong to the protection scope of the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.

Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic view of an overall structure of a preferred embodiment of the aerated concrete block wall with an anti-cracking structure according to the present invention; FIG. 2 is a top view of FIG. 1; fig. 3 is a cross-sectional view of the preferred embodiment of the aerated concrete block wall with an anti-cracking structure according to the present invention.

The preferred embodiment of the aerated concrete block wall with an anti-cracking structure provided by the utility model can solve the technical problems.

The utility model provides an aerated concrete block wall's preferred embodiment with crack control structure does: an aerated concrete block wall with an anti-cracking structure comprises a wall base layer 11 and a plastering layer 12 arranged on the outer surface of the wall base layer 11; the wall substrate 11 includes a first setting area 111, a second setting area 112 and an external corner 113, and the second setting area 112 is located at one side of the first setting area 111.

Wherein, an anti-crack glass fiber net layer 13 and a corner protection structure 14 are arranged between the plastering layer 12 and the wall body base layer 11; wherein the crack-resistant glass fiber net layer 13 is disposed at the junction of the first disposition region 111 and the second disposition region 112. The anti-crack glass fiber mesh layer 13 has the deformation resistance and is used for preventing the plastering layer from deforming.

In this embodiment, the first covering region 13a is formed by overlapping the crack-resistant glass fiber mesh layer 13 with the first installation region 111, and the second covering region 13b is formed by overlapping the crack-resistant glass fiber mesh layer 13 with the second installation region 112.

The corner protection structure 14 is disposed at the external corner 113 of the wall base layer 11, and is located between the wall base layer 11 and the finishing layer 113, for preventing the plastering layer located at the external corner of the wall from being broken.

Combining fig. 4, fig. 5 and fig. 6, wherein fig. 4 is an enlarged view of the structure at a of fig. 3; FIG. 5 is an enlarged view of the structure at B in FIG. 3; fig. 6 is a structural distribution schematic diagram of the anti-crack glass fiber net layer of the preferred embodiment of the aerated concrete block wall body with the anti-crack structure. The anti-cracking structure in the present embodiment is explained in detail:

referring to fig. 6, in this embodiment, the width of the first covering area 132a is greater than 100mm, and the width of the second covering area 132b is greater than 100mm, so that the stability of the crack-resistant glass fiber web layer 13 is improved, and hollowing and edge warping of the glass fiber web layer are avoided.

In this embodiment, the crack-resistant glass fiber web layer 13 in this embodiment is described in detail with reference to fig. 4:

the anti-crack glass fiber mesh layer 13 comprises a first anti-crack mortar layer 131, an anti-crack glass fiber mesh layer 132 and a second anti-crack mortar layer 133; wherein, the anti-crack glass fiber net 132 is used for cracking the wall; the first anti-crack mortar layer 131 is arranged between the anti-crack glass fiber net 132 and the wall base layer 11, and the anti-crack glass fiber net 132 is connected with the wall base layer 11 through the first anti-crack mortar layer 131; the second anti-crack mortar layer 133 is arranged between the anti-crack glass fiber net 132 and the plastering layer 12, and the anti-crack glass fiber net 132 is connected with the plastering layer 12 through the second anti-crack mortar layer 133. The anti-cracking structure is characterized in that the anti-cracking glass fiber net 132 is locally added on the plastering layer 12, so that the tensile strength of the plastering layer 12 can be effectively increased, the stress is dispersed, and the crack phenomenon of the wall body is reduced.

Further, the crack-resistant glass fiber net 132 is provided with a plurality of groups, which facilitates construction.

A plurality of adjacent anti-crack glass fiber nets 132 are mutually overlapped, so that the stability of the anti-crack structure is improved, and the problems of corrugation, hollowing, edge warping and the like of the glass fiber nets are avoided. The overlap length between adjacent glass fiber webs is more than 50 mm.

In this embodiment, the thickness of the first anti-crack mortar layer 131 is between 3 mm and 4mm, and the thickness of the second anti-crack mortar layer 133 is between 3 mm and 4mm, so that the stability of the anti-crack glass fiber mesh layer 13 is improved.

The corner protector structure 14 is explained in detail with reference to fig. 1 and 2:

the corner protection structure 14 includes a first end portion 141 disposed on one side of the external corner and a second end portion 142 disposed on the other side of the external corner, and the connection between the first end portion 141 and the second end portion 142 is in a sharp or rounded corner shape. The external corner of wall body still adds angle bead structure 14 on the basis that sets up anti glass fiber net layer 13 that splits, promotes the structural stability of wall body corner.

Further, the width of the first end portion 141 is greater than 50mm, the width of the second end portion 142 is greater than 50mm, and in this embodiment, an included angle between the first end portion 141 and the second end portion 142 ranges from 40 ° to 60 °.

The structure of the plastering layer 12 in the present embodiment will be explained with reference to fig. 5:

in this embodiment, the plastering layer 12 includes a mortar base layer 121 and a mortar surface layer 122, and the mortar surface layer 122 is connected to the anti-crack glass fiber mesh layer 13 through the mortar base layer 121. Wherein the thickness of the mortar bottom layer 121 is between 7mm and 9 mm.

With reference to fig. 7, fig. 7 is a second schematic structural view of the aerated concrete block wall with an anti-cracking structure according to the present invention. A second structure of the aerated concrete block wall with the anti-cracking structure in the embodiment is explained as follows:

in this embodiment, wall body base 21 is equipped with the recess 21a that is used for placing the box, and wall body base 21 one side is equipped with the wire net 22 that is used for sealing the recess 21a opening part, and the overlap joint width of every side of wire net 22 and wall body base 21 is greater than 100 mm.

When the wall body base layer 21 is provided with various boxes (cabinets) arranged in the wall body, the exposed part of the back surface of the wall body base layer needs to be provided with a steel wire mesh, so that the surface smoothness of the wall body base layer 21 is ensured, and the integral attractiveness of the building is improved.

The utility model discloses aerated concrete block wall's whitewash construction step with crack control structure explains:

firstly, construction preparation.

Firstly, before construction, a constructor is trained in the aspect of rendering construction technology, the application requirements of special tools and machines are mastered, and technical background is well achieved.

Secondly, the materials used are fully prepared. The cement has delivery qualification certificate, complete detection report and qualified field retest; the sand is river sand or medium sand, and the on-site retest is qualified; curing the lime cream for more than 15 days; the glass fiber net has the ex-factory qualification certificate.

And finally, configuring construction machines and labor safety facilities according to engineering requirements.

Secondly, processing the wall body base layer.

And (3) inspecting the surface of the wall base layer before plastering, removing loosened and incompact mortar at mortar joints, and filling the mortar with the interface agent to be compact. And (4) flattening the convex part on the surface of the wall body base layer and cleaning.

And thirdly, slotting the wall surface and pre-burying the pipeline.

The hidden laying work of the water and electricity pipelines can be carried out after the wall body is finished and reaches a certain strength. When slotting, a light electric cutting machine is used for slotting, and then a manual slotting device is used for slotting to form a slot with required width and depth, so that a hammer, an axe and a chisel are strictly forbidden. Each side of the width of the wire groove is 10-15 mm larger than the edge of the embedded pipe, the depth of the wire groove exceeds 10mm of the top of the embedded pipe, and the depth of the wire groove does not exceed 1/3 of the wall thickness.

After the pipeline is installed, the line pipe is firmly fixed by using clips or nails, and then the line pipe is filled with 1:3 cement mortar, and the seam is filled up.

And fourthly, spraying an interface treating agent.

The surface of the wall substrate is wetted before the interface treating agent is sprayed. The interface treating agent is uniformly stirred by adopting cement, sand and 108 glue, and the preparation proportion is that the cement: sand 1: stirring with 108 glue to ensure that the consistency of the mortar is controlled between 70mm and 90mm, and immediately spraying the mortar by using a spray gun when the surface of the wall base layer is dry or not dry, wherein the spraying is uniform and tight, and the phenomenon of leaking is avoided. And starting watering and maintaining for not less than 3 days within 24 hours after spraying.

And fifthly, hanging the anti-crack glass fiber net.

The crack-resistant glass fiber net is prevented from being formed among different materials under the action of temperature, and the following parts of the wall body are plastered and hung:

1. joints of different materials of the wall structure, such as joints of aerated concrete masonry and concrete beams, columns, shear walls, windowsill coping and the like;

2. burying a hole groove of a pipeline;

the anti-crack glass fiber net can be pasted by directly pressing the anti-crack mortar with the thickness of 3-4 mm into the mortar after the anti-crack mortar is smeared on the anti-crack glass fiber net, extruding the mortar from the middle to four sides and uniformly distributing the mortar on the grid cloth. The lapping width of the glass fiber net and each side of the base layer is not less than 100mm, the lapping length between the glass fiber nets is not less than 50mm, and the glass fiber net cannot be wrinkled, hollow and raised.

Referring to fig. 2 and 3, the brushed anti-crack glass fiber mesh layer includes a first anti-crack mortar layer 131, an anti-crack glass fiber mesh 132, and a second anti-crack mortar layer 133; wherein, the anti-crack glass fiber net 132 is used for cracking the wall; the first anti-crack mortar layer 131 is arranged between the anti-crack glass fiber net 132 and the wall base layer 11, and the anti-crack glass fiber net 132 is connected with the wall base layer 11 through the first anti-crack mortar layer 131; the second anti-crack mortar layer 133 is arranged between the anti-crack glass fiber net 132 and the plastering layer 12, and the second anti-crack mortar layer 133 penetrates through meshes of the anti-crack glass fiber net 132 and is connected with the first anti-crack mortar layer 133. The anti-cracking structure is characterized in that the anti-cracking glass fiber net 132 is locally added on the plastering layer 12, so that the tensile strength of the plastering layer 12 can be effectively increased, the stress is dispersed, and the crack phenomenon of the wall body is reduced.

Sixthly, hanging vertically, sleeving a square and plastering cakes.

Before plastering, a gauge is found for a room according to a cross control line on the floor of the room, and the room is squared. And firstly popping up a welling line 200mm away from a corner on the floor as a room square control line, then hanging the control line straight by using a plumb bob, and popping up a vertical control line 100mm away from the corner on the wall. Regard as the standard line of plastering with well word line and vertical control line, do standard ash cake point on the wall, ash cake point uses 1: 6, cement mortar is manufactured, the plane shape is 50mm multiplied by 50mm, the thickness is suitable for meeting the requirements of verticality and flatness of wall plastering, and the distance is controlled to be about 1500 mm. The upper and lower ash cakes are vertically aligned by a line supporting plate, leveled by a ruler plate or a pull-through line in the horizontal direction, and the upper and lower ash cakes on the wall surface are ensured to be positioned in the same plane as the basis of the reinforcement punching.

And seventhly, punching ribs and manufacturing corner protectors at the external corners of the wall body.

1. Rib punching: according to the stuck ash cakes, rib punching is carried out among the ash cakes in the horizontal or vertical direction, repeated rubbing is carried out, the ash cakes are hung vertically, and the width of the rib punching is preferably 30-50 mm.

2. Manufacturing a corner protector: and at all the external corners, cement mortar corner protectors are coated, the height of the corner protectors is the wall height, the width of each side edge covering of each corner protector is not less than 50mm, the included angle between the two side edge coverings is controlled to be 40-60 degrees according to the thickness of the plastering layer, so that the corner protectors are firmly combined with the plastering layer, the thickness of the corner protectors is consistent with that of the plaster cakes, and the plaster cakes and the corner protectors are communicated in a line.

Before the corner protector is manufactured, the external corner is watered and moistened, in the first step, a splayed running rule is erected on the front surface of the external corner, the running rule protrudes out of the side surface of the external corner, and the protruding thickness is even with the survival plastering surface. And then, plastering cement mortar in a ratio of 1:2 by relying on the ruler edge on the side surface of the external corner, leveling the cement mortar by using an iron trowel, and removing the excess cement mortar according to the width of the corner protector (not less than 50 mm). And secondly, after the cement mortar is slightly dried, moving the splayed running rule to the smeared corner protecting surface (splayed slope is outward), and smearing the cement mortar in a ratio of 1:2 by the rule edge on the front side of the external corner, wherein the method is the same as the method in the prior art. After the smearing, the splayed guiding ruler is removed, the sharp corner of the corner protector is coated with plain cement paste, and the angle protector is stroked down once from top to bottom by a stroking angle device to form an obtuse angle (or a small round angle).

In this embodiment, the front face of the external corner is disposed in the centrally disposed region and the side faces of the external corner are disposed in the lateral side regions. The external corner is provided with a splayed corner protector with the same thickness as the ash cake, so that the squareness and the straightness of the external corner are improved, and the impression quality is improved.

Eighthly, sprinkling water for wetting.

Spraying water or sprinkling water for wetting several times a day before plastering, wherein the watering amount is preferably that the water penetrates into the building block to a depth of 8-10mm, so that a plastering layer has a good setting and hardening condition, and the phenomenon that the plastering layer is cracked due to the fact that the water is absorbed by aerated concrete in the mortar hardening process is prevented.

And ninthly, painting a finishing coat.

1. And (5) coating bottom layer mortar.

The thickness of the bottom layer mortar is controlled to be about 7-9 mm, the bottom layer mortar needs to be pressed by force when being smeared, the mortar is extruded into small gaps, and the surface of the bottom layer mortar is brushed or a groove is marked after being smeared. The bottom layer mortar forms a mortar bottom layer after having strength.

2. And (5) finishing layer mortar.

After the bottom layer mortar has strength, surface layer mortar is coated, and after the surface layer mortar is coated to a position slightly higher than the mortar cake point, the wall surface is scraped to be flat and vertical by a scraping bar according to the thickness of the mortar cake point, and the position with partial verticality and slight flatness deviation is leveled by a wooden trowel. And when six or seven layers of surface mortar are dry, taking out the mortar cakes, and sufficiently rubbing the wall surface by using a wood trowel to ensure that the perpendicularity and the flatness of the wall surface meet the requirements.

3. And (6) napping.

Before the surface mortar is coagulated after being smeared, sponge is dipped in water and is pasted on the wall surface by aluminum alloy, the sponge is tightly pasted on the aluminum alloy, and the surface after napping is smooth and straight, has uniform grains and consistent depth. And (4) setting the brushed plastering layer mortar to form a mortar surface layer.

And twelfth, maintaining.

And after napping, wetting and curing the wall surface by using a sprayer within 24 hours, wherein the curing time is not less than 3 days.

Thus, the plastering construction process of the aerated concrete block wall with the anti-cracking structure in the preferred embodiment is completed.

The utility model discloses an increase anti glass fiber net layer that splits at positions such as the external corner of wall body, wire casing and different materials handing-over department, improved the mechanical strength on plastering layer, guaranteed the resistance continuity on finish coat, improved the tensile strength on plastering layer, strengthened the ability of resisting plastering layer deformation fracture, prevent fissured production effectively, reduced the wall body whitewash rework, reprocess the problem, reduced construction cost.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. An aerated concrete block wall with an anti-cracking structure is characterized by comprising a wall body base layer and a plastering layer arranged on the outer surface of the wall body base layer,

the anti-crack glass fiber mesh layer and the first setting area are overlapped to form a first covering area,

the anti-crack glass fiber mesh layer and the second setting area are overlapped to form a second covering area; and

and the corner protection structure is arranged at the external corner of the wall body base layer and used for preventing the external corner of the plastering layer from cracking.

2. The aerated concrete block wall with an anti-cracking structure according to claim 1, wherein the corner protection structure comprises a first end part arranged on one side of the external corner and a second end part arranged on the other side of the external corner,

3. The aerated concrete blockwork with an anti-cracking structure according to claim 2, wherein the width of the first end is greater than 50mm, and the width of the second end is greater than 50 mm.

4. The aerated concrete block wall with an anti-cracking structure as claimed in claim 2, wherein an included angle between the first end and the second end ranges from 40 ° to 60 °.

5. The aerated concrete blockwork with an anti-cracking structure according to claim 1, wherein the width of the first covering area is greater than 100mm, and the width of the second covering area is greater than 100 mm.

6. The aerated concrete block wall with an anti-cracking structure according to claim 1, wherein the anti-cracking glass fiber net layer comprises an anti-cracking glass fiber net for preventing cracking of the wall;

and the second anti-cracking mortar layer is arranged between the anti-cracking glass fiber net and the plastering layer, penetrates through meshes of the anti-cracking glass fiber net and is connected with the first anti-cracking mortar layer.

7. The aerated concrete block wall with an anti-cracking structure as claimed in claim 6, wherein the anti-cracking glass fiber nets are provided in a plurality of groups, and a plurality of adjacent anti-cracking glass fiber nets are mutually overlapped.

8. The aerated concrete block wall with an anti-cracking structure as claimed in claim 7, wherein the overlapping length between the adjacent glass fiber nets is more than 50 mm.

9. The aerated concrete block wall with an anti-cracking structure according to claim 6, wherein the thickness of the first anti-cracking mortar layer is 3-4 mm, and the thickness of the second anti-cracking mortar layer is 3-4 mm.

10. The aerated concrete block wall with an anti-cracking structure as claimed in claim 1, wherein the wall body base layer is provided with a groove for placing a box body, one side of the wall body base layer is provided with a steel wire mesh for closing an opening of the groove,

the lap joint width of each side edge of the steel wire mesh and the wall body base layer is larger than 100 mm.