CN114562119A - Wall surface crack repairing method - Google Patents
Wall surface crack repairing method Download PDFInfo
- Publication number
- CN114562119A CN114562119A CN202210211218.6A CN202210211218A CN114562119A CN 114562119 A CN114562119 A CN 114562119A CN 202210211218 A CN202210211218 A CN 202210211218A CN 114562119 A CN114562119 A CN 114562119A
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- CN
- China
- Prior art keywords
- crack
- wall surface
- caulking
- wall
- repairing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0296—Repairing or restoring facades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The application relates to the technical field of wall surface repairing, in particular to a wall surface crack repairing method, which comprises the following steps of S1: removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed; s2: filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat; s3: after the caulking gypsum composition is completely dried, the caulking tape is stuck and pressed to be attached, and the redundant glue is pressed out without leaving air bubbles; s4: leveling the caulking belt by using putty, and painting paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface; s5: and (5) repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified. The application has the effect of reducing the damage of the crack to the wall structure.
Description
Technical Field
The application relates to the technical field of wall surface repairing, in particular to a wall surface crack repairing method.
Background
With the continuous development of economic society of China and the continuous improvement of the living standard of people, the development of infrastructure is high, particularly, civil engineering is rapidly developed, and in civil and architectural engineering, taking an outer wall of a building as an example, a concrete structure still occupies a leading position.
Due to the high brittleness of the concrete structure, cracks are usually inevitably generated in engineering application, and the cracks are usually completely cracked from top to bottom on an outer wall and have the characteristics of long and narrow and large crack depth.
In view of the above-mentioned related technologies, the inventor believes that the wall crack seriously affects the strength of the wall, and if the wall crack is not repaired in time, the crack area is easily increased, and the wall surface falls off in a large area, which causes serious damage to the wall structure.
Disclosure of Invention
In order to reduce damage of cracks to wall structure, the application provides a wall crack repairing method.
The application provides a wall surface crack repairing method which adopts the following technical scheme:
a wall crack repairing method comprises the following steps of S1: removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed; s2: filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat; s3: after the caulking gypsum composition is completely dried and solidified, a caulking tape is stuck and pressed to be attached, and redundant glue is pressed out without leaving bubbles; s4: leveling the caulking belt by using putty, and painting paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface; s5: and (5) repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified.
By adopting the technical scheme, when the wall crack is repaired, the specific position of the crack is determined at first, and the repairing area is divided; then removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed; filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat; after the caulking gypsum composition is completely dried and solidified, a caulking tape is stuck and pressed to be attached, and redundant glue is pressed out without leaving bubbles; then, leveling by using putty outside the caulking zone, and painting paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface; finally, repairing and checking, namely checking the repaired wall surface to determine whether the repair is qualified; through the process, the wall surface cracks can be repaired, damage to the wall structure caused by the cracks is reduced, the repairing mode is convenient and fast, the rework period can be effectively reduced, and the applicability and the practicability are strong.
Optionally, the specific step in S1 includes S11: firstly, cleaning a wall surface, and polishing and flattening a crack opening by using abrasive paper; s12: then chiseling off the surface wall of the crack from top to bottom along the direction of the crack until fresh concrete is exposed; s13: then blowing floating dust in the cracks by using a blower; s14: and finally, uniformly spraying an antibacterial agent to the crack, and drying by using a hot air blower after spraying.
Through adopting above-mentioned technical scheme, it is clean with crack department to chisel out crack top layer wall, until exposing fresh concrete, the antimicrobial that sprays to crack department also can restrain the growth of microorganism, reduces the influence that causes the crack to repair.
Optionally, the specific step in S2 includes S21: firstly, uniformly filling the whole crack with the caulking gypsum composition until the wall surface is flat, and irradiating by using a lamp after filling; s22: then sanding the repaired part of the crack by using fine sand paper; s23: and finally, carrying out surface treatment by using a high-molecular emulsion elastic primer.
By adopting the technical scheme, the caulking gypsum composition is uniformly filled in the whole crack until the wall surface is smooth, the crack can be repaired, and the high polymer emulsion elastic primer coating can also play a good role in maintenance and a one-way hydrophobic role.
Optionally, the caulking tape is a glass fiber self-adhesive tape.
By adopting the technical scheme, the glass fiber self-adhesive tape has stable chemical property, is not easy to oxidize, and is more convenient to repair and construct.
Optionally, the specific step in S3 includes S31: after the caulking gypsum composition is completely dried, covering the surface of the caulking gypsum composition with a glass fiber self-adhesive tape; s32: then, the glass fiber self-adhesive tape is extruded and ground by a lime knife without leaving air bubbles.
By adopting the technical scheme, after the caulking gypsum composition is completely dried, the glass fiber self-adhesive tape is covered on the surface of the caulking gypsum composition, no pre-gluing is needed, the operation is convenient, and then the glass fiber self-adhesive tape is extruded and ground flat by a lime knife without leaving air bubbles.
Optionally, in S4, the coating is a water-emulsion moisture-proof coating.
By adopting the technical scheme, the water-emulsion type moisture-proof coating has the performances of water resistance, permeability resistance, crack resistance and the like, and can reduce the possibility that a coating layer and a putty layer are damped and bulge or even crack.
Optionally, infrared light is used to illuminate the caulk composition after it is filled in S21.
Through adopting above-mentioned technical scheme, shine the caulking gypsum composition of crack depths through the infrared lamp, make the caulking gypsum composition of crack depths can dry rapidly, shorten the consolidation time.
Optionally, S21 further includes the following step, S211: and spraying an antibacterial agent on the surface of the filled caulking gypsum composition to form an antibacterial layer.
By adopting the technical scheme, the antibacterial agent sprayed on the surface of the caulking gypsum composition can inhibit the growth of microorganisms and reduce the possibility of secondary cracking caused by the microorganisms entering cracks through the caulking gypsum composition.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when repairing wall cracks, firstly determining the specific positions of the cracks and dividing repair areas; then removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed; filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat; after the caulking gypsum composition is completely dried, the caulking tape is stuck and pressed to be attached, and the redundant glue is pressed out without leaving air bubbles; then, leveling by using putty outside the caulking zone, and painting paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface; finally, repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified; through the process, the wall surface cracks can be repaired and repaired, the damage of the cracks to the wall structure is reduced, the repairing mode is convenient and quick, the rework period can be effectively reduced, and the applicability and the practicability are strong;
2. the antibacterial agent is sprayed on the surface of the filled caulking gypsum composition, so that the growth of microorganisms can be inhibited, and the possibility of secondary cracking caused by the microorganisms entering cracks through the caulking gypsum composition is reduced.
Detailed Description
The embodiment of the application discloses a wall crack repairing method, which comprises the following steps:
s1: removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed;
s2: filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat;
s3: after the caulking gypsum composition is completely dried and solidified, a caulking tape is stuck and pressed to be attached, and redundant glue is pressed out without leaving bubbles;
s4: leveling the caulking belt by using putty, and painting paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface;
s5: and (5) repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified.
The individual steps are explained in detail below.
In step S1, first, a specific location where a crack is generated should be determined, and a repair area is divided, where the specific repair area may be enclosed by painting, after the repair area is determined, the wall surface where the crack is generated is cleaned, and the wall surface is chiseled until the concrete is exposed, which includes the following specific steps:
s11: cleaning the wall surface, specifically cleaning the wall surface repeatedly by using a brush, uniformly spraying water on the wall surface at a crack after cleaning to moisten the wall surface, and polishing and flattening the crack opening by using abrasive paper;
s12: then chiseling the crack surface wall from top to bottom along the crack direction until fresh concrete is exposed, wherein the surface wall is easier to chisel after the wall is wet, and the wet wall is not easy to expand and crack when chiseling, so that the intact wall is prevented from being damaged;
s13: then blowing off the floating dust in the crack by using a blower, wherein an exhaust fan can be selected to extract the floating dust;
s14: and finally, uniformly spraying an antibacterial agent to the crack, and drying by using a hot air blower after spraying. It is noted that the antimicrobial agent sprayed at the crack inhibits the growth of microorganisms and reduces the impact on crack repair, particularly on subsequently filled caulk gypsum compositions.
In step S2, a joint compound gypsum composition is prepared, wherein the gypsum powder and the hydrated lime are basic materials, and ground limestone and modified wood fibers are added, wherein the ground limestone can make the joint compound gypsum composition not prone to crack again due to thermal expansion and contraction, the modified wood fibers are dispersed among the joint compound gypsum composition and bear partial tensile stress, the strength of the joint compound gypsum composition is enhanced, and the possibility of cracking of the joint compound gypsum composition is reduced.
S21: the method comprises the steps of uniformly filling the whole crack with the caulking gypsum composition until the wall surface is smooth, irradiating by using an infrared lamp after filling, and irradiating the caulking gypsum composition in the deep part of the crack by using the infrared lamp, so that the caulking gypsum composition in the deep part of the crack can be quickly dried, and the solidification time is shortened.
S211: the antibacterial agent sprayed on the surface of the caulked gypsum composition can inhibit the growth of microorganisms and reduce the possibility of secondary cracking caused by the microorganisms entering cracks through the caulked gypsum composition.
S22: then sanding the crack repairing part by using fine sand paper;
s23: and finally, performing surface treatment by using the high-molecular emulsion elastic primer, wherein the high-molecular emulsion elastic primer can also play a good role in maintenance and a one-way hydrophobic role.
In step S3, a caulking tape is needed to be used to enhance the adhesion force to the two sides of the crack, and the caulking tape is a glass fiber self-adhesive tape, which has stable chemical properties, is not easily oxidized, and is more convenient for repair construction. Note that the choice of the caulking tape is not limited to this embodiment.
S31: after the caulking gypsum composition is completely cured (the caulking gypsum composition has higher strength and meets the use requirement of a wall body after being completely cured), the glass fiber self-adhesive tape is covered on the surface of the caulking gypsum composition, no glue is applied in advance, and the operation is convenient;
s32: then, the glass fiber self-adhesive tape is extruded and ground by a lime knife without leaving air bubbles.
In step S4, the wall surface painting is a water-emulsion type moisture-proof paint, which has water-resistant, anti-permeability, and crack-resistant properties, and can reduce the possibility of swelling and even cracking of the paint layer and the putty layer due to moisture. It should be noted that the choice of the wall painting paint is not limited to this embodiment.
S4: and leveling with putty, painting water emulsion type moistureproof paint and jointing the crack repairing part with the wall surface naturally.
S5: and (4) repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified or not, wherein if the repair is qualified, the repair work is finished, and if the repair is unqualified, reworking and repairing are required.
The implementation principle of the wall surface crack repairing method in the embodiment of the application is as follows: when repairing wall cracks, firstly determining the specific positions of the cracks and dividing repair areas; then removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed; filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat; after the caulking gypsum composition is completely dried, sticking a glass fiber self-adhesive tape, pressing the tape to be attached, and pressing out the redundant glue without leaving air bubbles; then, leveling the glass fiber self-adhesive tape by using putty, and painting water-emulsion type moisture-proof paint to ensure that the crack repairing part is naturally connected with the surrounding wall surface; finally, repairing and checking, namely checking the repaired wall surface to determine whether the repair is qualified; through the process, the wall surface cracks can be repaired, damage to the wall structure caused by the cracks is reduced, the repairing mode is convenient and fast, the rework period can be effectively reduced, and the applicability and the practicability are strong.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A wall crack repairing method is characterized in that: comprises the following steps of (a) carrying out,
s1: removing impurities from the wall surface at the position where the crack is generated, and chiseling the wall surface until the concrete is exposed;
s2: filling a caulking gypsum composition into the crack, and cleaning redundant excess materials until the wall surface is flat;
s3: after the caulking gypsum composition is completely dried, a caulking tape is stuck and pressed to be fitted, and the surplus is removed
The glue is pressed out without air bubbles;
s4: leveling the caulking belt with putty, painting paint to repair the crack and the wall surface
The connection is natural;
s5: and (5) repairing and accepting, inspecting the repaired wall surface, and determining whether the repair is qualified.
2. The method for repairing cracks in a wall surface according to claim 1, wherein: the specific steps in S1 include that,
s11: firstly, cleaning a wall surface, and polishing and flattening a crack opening by using abrasive paper;
s12: then chiseling off the surface wall surface of the crack from top to bottom along the direction of the crack until fresh concrete is exposed
Soil;
s13: then blowing off floating dust in the cracks by using a blower;
s14: and finally, uniformly spraying an antibacterial agent to the crack, and drying by using a hot air blower after spraying.
3. The wall crack repairing method according to claim 1, characterized in that: the specific steps in S2 include that,
s21: firstly, the caulking gypsum composition is uniformly filled in the whole crack until the wall surface is flat, and then the caulking gypsum composition is filled in the crack
Irradiating with a lamp;
s22: then sanding the crack repairing part by using fine sand paper;
s23: and finally, carrying out surface treatment by using a high-molecular emulsion elastic primer.
4. The wall crack repairing method according to claim 1, characterized in that: the caulking belt is a glass fiber self-adhesive belt.
5. The method for repairing cracks in a wall surface according to claim 4, wherein: the specific steps in S3 include that,
s31: after the caulking gypsum composition is completely dried, covering the glass fiber self-adhesive tape on the caulking stone
A surface of the paste composition;
s32: then, the glass fiber self-adhesive tape is extruded and ground by a lime knife without leaving air bubbles.
6. The wall crack repairing method according to claim 1, characterized in that: in S4, the coating is water-emulsion type moisture-proof coating.
7. The wall crack repairing method according to claim 3, characterized in that: infrared light is used to illuminate the caulk composition after it is filled in S21.
8. The wall crack repairing method according to claim 3, characterized in that: s21 further includes the following step, S211: and spraying an antibacterial agent on the surface of the filled caulking gypsum composition to form an antibacterial layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211218.6A CN114562119A (en) | 2022-03-05 | 2022-03-05 | Wall surface crack repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211218.6A CN114562119A (en) | 2022-03-05 | 2022-03-05 | Wall surface crack repairing method |
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| Publication Number | Publication Date |
|---|---|
| CN114562119A true CN114562119A (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210211218.6A Pending CN114562119A (en) | 2022-03-05 | 2022-03-05 | Wall surface crack repairing method |
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| CN (1) | CN114562119A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952199A (en) * | 2018-07-16 | 2018-12-07 | 江苏华欣装饰集团有限公司 | A kind of cracking of wall surface method for repairing and mending |
| CN109653523A (en) * | 2017-10-12 | 2019-04-19 | 蒲连影 | A kind of civil buildings exterior wall crack repairing method |
-
2022
- 2022-03-05 CN CN202210211218.6A patent/CN114562119A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653523A (en) * | 2017-10-12 | 2019-04-19 | 蒲连影 | A kind of civil buildings exterior wall crack repairing method |
| CN108952199A (en) * | 2018-07-16 | 2018-12-07 | 江苏华欣装饰集团有限公司 | A kind of cracking of wall surface method for repairing and mending |
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