CN219622348U

CN219622348U - Waterproof maintenance structure for masonry brick wall cracks

Info

Publication number: CN219622348U
Application number: CN202321349557.7U
Authority: CN
Inventors: 侯金龙; 徐斌; 付伟
Original assignee: Dongfang Yuhong Building Repair Technology Co ltd
Current assignee: Dongfang Yuhong Building Repair Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-09-01
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to a masonry brick wall crack waterproof maintenance structure, which belongs to the technical field of building waterproofing, and comprises a wall body, wherein the wall body comprises an outer wall part and an inner wall part, cracks positioned on the surfaces of the outer wall part and the inner wall part are respectively provided with a groove, the opening direction of each groove is consistent with the extending direction of each crack, an MS modified silicone sealant layer is arranged in each groove, the surfaces of the cracks positioned on the outer wall part are sequentially provided with a waterproof mortar layer, a first finish layer and a waterproof paint layer from inside to outside, and the surfaces of the cracks positioned on the inner wall part are sequentially provided with a waterproof mortar layer and a second finish layer from inside to outside; the waterproof mortar layer is internally pressed with a first glass fiber mesh cloth, and the waterproof mortar layer is internally pressed with a second glass fiber mesh cloth. The waterproof structure is simple in construction, and the waterproof property of the crack of the masonry brick wall is improved.

Description

Waterproof maintenance structure for masonry brick wall cracks

Technical Field

The utility model relates to the technical field of building waterproofing, in particular to a waterproof maintenance structure for a masonry brick wall crack.

Background

The main content of the maintenance engineering of the common masonry brick wall cracks is to repair the work of cracking the facing layer due to the occurrence of cracks of the masonry structure caused by uneven settlement stress concentration and temperature deformation. When the facing layer is damaged, the leakage water enters the outer wall system through the defect part of the masonry brick wall, enters the cavity behind the facing layer through rainwater and freeze thawing circulation, and flows to the wall crack to cause the results of the expansion of the falling of the outer wall facing and the wetting and mildew of the indoor wall surface.

At present, the conventional inner wall maintenance mode is to carry out renovation treatment on the surface of a wall body, the outer wall crack maintenance mode is to remove paint or facing bricks at the positions of cracking, skinning and hollowing of an outer wall surface layer, and the original facing paint or facing bricks are restored after mortar is leveled.

According to the related art as described above, the inventors considered that it was difficult to solve the problem of cracks at all, the maintenance effect was poor, and the trouble of repeated maintenance was likely to occur.

Disclosure of Invention

The utility model aims to provide a waterproof maintenance structure for a masonry brick wall crack, aiming at the defects in the prior art, so as to improve the waterproof effect of the masonry brick wall crack.

The utility model provides a waterproof maintenance structure for a masonry brick wall crack, which adopts the following technical scheme:

the waterproof maintenance structure for the masonry brick wall crack is characterized by comprising a wall body, wherein the wall body comprises an outer wall part and an inner wall part, grooves are respectively formed in the crack parts positioned on the surfaces of the outer wall part and the inner wall part, the opening direction of the grooves is consistent with the extending direction of the crack, an MS modified silicone sealant layer is arranged in the grooves, a waterproof mortar layer, a first facing layer and a waterproof paint layer are sequentially arranged on the surface of the crack part of the outer wall part from inside to outside, and a waterproof mortar layer and a second facing layer are sequentially arranged on the surface of the crack part of the inner wall part from inside to outside; the waterproof mortar layer is internally pressed with a first glass fiber mesh cloth, and the waterproof mortar layer is internally pressed with a second glass fiber mesh cloth.

Preferably, the grooves respectively positioned on the outer wall part and the inner wall part are open groove bodies.

Preferably, the waterproof paint layer has an area larger than that of the first facing layer.

Preferably, the distances between the top and bottom edges of the waterproof mortar layer and the crack at the outer wall part are respectively more than 100mm; the distances between the top and bottom edges of the waterproof mortar layer and the crack at the inner wall part are respectively more than 100mm.

Preferably, the thickness of the waterproof mortar layer is greater than 3mm.

Preferably, the thickness of the waterproof mortar layer is greater than 1.5mm.

Preferably, the waterproof paint layer is formed by smearing colorless transparent waterproof paint.

In summary, the utility model has the following beneficial technical effects:

1. the waterproof mortar layer is arranged at the crack of the surface of the inner wall part, the waterproof mortar layer is arranged at the crack of the surface of the outer edge, V-shaped grooves are respectively formed at the crack of the inner wall part and the crack of the outer wall part, and the MS modified silicone sealant layer is filled in the grooves and has the characteristic of good elasticity, so that the integral repairing strength of the crack is enhanced, the simple anchoring principle is played, the tensile strength of the crack deformation is increased in the waterproof structure, and the problems of uneven settlement and temperature deformation crack of the wall structure are solved.

2. Through set up waterproof coating layer on the first finish coat surface of outer wall portion, not only strengthened the waterproof nature of outer wall portion, still improved the anti-yellowing of first finish coat, water-fast white, ageing-resistant, corrosion-resistant scheduling performance, waterproof coating layer adopts transparent waterproof coating, and this material is strong with basic unit adhesion, tensile strength is high, extensibility is high, and anti-cracking is strong, has outstanding ultraviolet irradiation resistance and has the advantage of coating construction of being convenient for concurrently, and the construction is simple.

Drawings

FIG. 1 is a schematic structural view of a waterproof maintenance structure for a masonry brick wall crack provided by an embodiment of the utility model;

fig. 2 is a schematic sectional view showing the structure of the first glass fiber mesh cloth and the second glass fiber mesh cloth.

Reference numerals illustrate: 1. a wall body; 11. an outer wall portion; 12. an inner wall portion; 2. a groove; 21. MS modified silicone sealant layer; 3. a waterproof mortar layer; 31. a first fiberglass scrim; 4. a first facing layer; 5. a waterproof paint layer; 6. a waterproof mortar layer; 61. a second fiberglass mesh; 7. and a second facing layer.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a waterproof maintenance structure for a masonry brick wall crack. Referring to fig. 1, the wall 1 comprises an outer wall 11 and an inner wall 12, wherein the cracks on the surfaces of the outer wall 11 and the inner wall 12 are respectively provided with a groove 2, the grooves 2 are open type grooves, namely, the opening size of the grooves 2 is gradually increased along the direction deviating from the central position of the wall 1, the grooves 2 are preferentially arranged to be V-shaped grooves, the opening direction of the grooves 2 is consistent with the extending direction of the cracks, an MS modified silicone sealant layer 21 is filled in the grooves 2, the MS modified silicone sealant layer 21 permeates into the cracks, meanwhile, the cracks of the outer wall 11 are sequentially coated with a waterproof mortar layer 3, a first finishing layer 4 and a waterproof coating layer 5 from inside to outside, and the cracks of the inner wall 12 are sequentially coated with a waterproof mortar layer 6 and a second finishing layer 7 from inside to outside.

The MS modified silicone sealant layer 21 is filled into the groove 2 and the crack, the characteristics of strong fluidity and good adhesiveness of the MS modified silicone sealant layer 21 are utilized, the tensile strength and the deformation resistance of the whole waterproof structure are improved, and the weather resistance, the impermeability, the compactness and the corrosion resistance of the waterproof structure are improved by arranging the waterproof mortar layer 3 and the waterproof mortar layer 6.

Referring to fig. 2, when the waterproof mortar layer 3 is coated, a first glass fiber mesh cloth 31 is pressed inside the waterproof mortar layer 3, wherein the thickness of the waterproof mortar layer 3 is greater than 3mm; when the waterproof mortar layer 6 is applied, a second glass fiber mesh cloth 61 is pressed into the waterproof mortar layer 6, wherein the thickness of the waterproof mortar layer 6 is greater than 1.5mm.

Referring to fig. 1 and 2, the distances between the top and bottom edges of the waterproof mortar layer 3 and the crack of the outer wall 11 are respectively greater than 100mm, and the distances between the top and bottom edges of the waterproof mortar layer 6 and the crack of the inner wall 12 are respectively greater than 100mm, so that the waterproof mortar layer 3 and the waterproof mortar layer 6 completely cover the crack of the wall 1.

Referring to fig. 1, the waterproof paint layer 5 is a transparent waterproof paint, and the area of the waterproof paint layer 5 is larger than that of the waterproof mortar layer 3, so that on one hand, the waterproof property of the outer wall 11 is enhanced, and on the other hand, the yellowing resistance, the water-white resistance, the aging resistance, the corrosion resistance and the like of the first facing layer 4 are improved.

The embodiment of the utility model relates to an implementation principle of a waterproof maintenance structure for a masonry brick wall crack, which comprises the following steps:

aiming at the cracks of the outer wall 11, firstly, finishing paint at the positions of cracking, hollowing, powdering and shelling of the outer wall 11 is shoveled off, floating ash and greasy dirt regular cracks or cracks above 0.3mm on the surface of the outer wall 11 are removed, a V-shaped groove 2 is cut along the cracks by a cutting machine, the width of the groove 2 is 15-20mm optimally, the depth is 15mm, an MS modified silicone sealant layer 21 is filled in the groove 2, a waterproof mortar layer 3 is coated on the surface of the outer wall 11, the thickness of the waterproof mortar layer 3 is larger than 3mm, a first glass fiber grid cloth 31 is pressed in the waterproof mortar layer 3, a first finishing layer 4 is arranged on the surface of the waterproof mortar layer 3, after the first finishing layer 4 is dried, a transparent waterproof paint is coated on the surface of the first finishing layer 4, and the area of the waterproof paint is larger than that of the first finishing layer 4;

aiming at the cracks of the inner wall 12, firstly, finishing paint of the parts of the inner wall 12, which are cracked, empty, pulverized and shelled is removed, floating ash and greasy dirt regular cracks or cracks above 0.3mm on the surface of the outer wall 11 are removed, a V-shaped groove 2 is cut along the cracks by a cutting machine, the width of the groove 2 is optimally 15-20mm, the depth is 15mm, an MS modified silicone sealant layer 21 is filled in the groove 2, a waterproof mortar layer 6 is coated on the surface of the outer wall 11, the thickness of the waterproof mortar layer 6 is larger than 1.5mm, a first glass fiber grid cloth 31 is pressed in the waterproof mortar layer 3, and a second finishing layer 7 is arranged on the surface of the waterproof mortar layer 3.

The MS modified silicone sealant layer 21 has the characteristic of good elasticity, the integral repair strength of cracks is enhanced, a simple anchoring principle is played, the tensile strength of crack deformation is increased in the waterproof structure, the problem of uneven settlement and temperature deformation cracking of the wall body 1 structure is solved, and the integral strength of the waterproof structure is improved by arranging the waterproof mortar layer 3 and the waterproof mortar layer 6.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The waterproof maintenance structure for the masonry brick wall crack is characterized by comprising a wall body (1), wherein the wall body (1) comprises an outer wall part (11) and an inner wall part (12), grooves (2) are respectively formed in the cracks on the surfaces of the outer wall part (11) and the inner wall part (12), the opening direction of the grooves (2) is consistent with the extending direction of the cracks, an MS modified silicone sealant layer (21) is arranged in the grooves (2), a waterproof mortar layer (3), a first finishing layer (4) and a waterproof paint layer (5) are sequentially arranged on the surface of the crack of the outer wall part (11) from inside to outside, and a waterproof mortar layer (6) and a second finishing layer (7) are sequentially arranged on the surface of the crack of the inner wall part (12) from inside to outside; the waterproof mortar layer (3) is internally pressed with a first glass fiber mesh cloth (31), and the waterproof mortar is internally pressed with a second glass fiber mesh cloth (61).

2. The waterproof maintenance structure of the masonry brick wall cracks according to claim 1, wherein the grooves (2) respectively positioned on the outer wall portion and the inner wall portion are open type groove bodies.

3. A masonry brick wall crack waterproofing maintenance structure according to claim 1, characterized in that the area of the waterproofing paint layer (5) is larger than the area of the first facing layer (4).

4. The waterproof maintenance structure of the masonry brick wall cracks according to claim 1, wherein the distances between the top and bottom edges of the waterproof mortar layer (3) and the cracks at the outer wall part (11) are respectively more than 100mm; the distances between the top and bottom edges of the waterproof mortar layer (6) and the crack position of the inner wall part (12) are respectively more than 100mm.

5. A masonry brick wall crack waterproofing maintenance structure according to claim 4, characterized in that the thickness of the waterproofing mortar layer (3) is larger than 3mm.

6. A masonry brick wall crack waterproofing maintenance structure according to claim 4, characterized in that the thickness of the waterproofing mortar layer (6) is greater than 1.5mm.

7. A masonry brick wall crack waterproof maintenance structure according to claim 3, characterized in that the waterproof paint layer (5) is painted by colorless transparent waterproof paint.