CN111764682A - Wall reinforcing method for reducing cracks of industrial building outer wall - Google Patents
Wall reinforcing method for reducing cracks of industrial building outer wall Download PDFInfo
- Publication number
- CN111764682A CN111764682A CN202010654075.7A CN202010654075A CN111764682A CN 111764682 A CN111764682 A CN 111764682A CN 202010654075 A CN202010654075 A CN 202010654075A CN 111764682 A CN111764682 A CN 111764682A
- Authority
- CN
- China
- Prior art keywords
- wall body
- wall
- fiber cloth
- fiber
- cracks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a wall reinforcing process for reducing cracks of an outer wall of an industrial building, which comprises the following steps: s1: fixing a wall body, fixing the wall body to be repaired by an operator by using a scaffold, and erecting the scaffold according to the actual height and length of the repaired wall body; s2: performing wall surface treatment, namely performing operations of removing ash and removing a wall painting layer on the wall surface with cracks; s3: wrapping fiber cloth, wrapping the fiber cloth on the outer peripheral surface of the wall body, wherein the fiber cloth rises in a spiral line; the fiber cloth covers gaps on the wall body, and is flatly laid on the surface of the wall body, so that the fiber cloth is not folded, wrinkled and the like; s4: coating a layer of PVA-ECC matrix on the surface of the fiber cloth; s5: and repeating the steps S3 and S4 according to the size of the crack on the wall. The invention relates to the technical field of repairing of building walls. The invention has the effect of prolonging the service life of the wall body.
Description
Technical Field
The invention relates to the technical field of repairing of building walls, in particular to a wall reinforcing method for reducing cracks of an outer wall of an industrial building.
Background
Due to the reasons of uneven settlement of the building foundation, temperature difference between the inside and the outside of the wall, cement drying shrinkage, construction and the like. The crack problem is easy to appear in the outer wall of the building masonry. At present, measures such as arranging transverse tie bars and constructional columns in a wall body are mainly adopted in design for prevention, but from the field practical effect, the problem of wall body cracks still exists. Such as vertical cracks along the columns, diagonal cracks at the doorway of a door or window. These cracks reduce the service life of the building's exterior walls.
The notice number is: the invention discloses a building wall crack repairing method in CN102995914B, which is used for repairing a building wall crack by using art sculpture forming mud and comprises the following steps: A. cleaning a crack to be treated; B. preparing art sculpture forming mud; C. and filling the prepared art sculpture forming mud into the cracks. The invention uses the art sculpture forming mud to replace the common wall crack repairing agent, utilizes the characteristics of the art sculpture forming mud of adhesion, solidification forming leakage prevention and no cracking, can conveniently allocate the color of the art sculpture forming mud to be consistent with the color of the surrounding wall, achieves excellent repairing effect, and has simple, convenient, rapid and trouble-saving whole repairing process. Develops a brand-new application of the art sculpture forming mud.
The fine arts sculpture shaping mud only sets up in wall body crack department, does not consolidate once more to whole wall, and the emergence probability in gap appears once more in the increase wall has reduced the life of wall.
Disclosure of Invention
According to the defects of the prior art, the invention aims to provide a wall body reinforcing method for reducing cracks of an outer wall of an industrial building, which has the effect of prolonging the service life of the wall body.
The technical purpose of the invention is realized by the following technical scheme:
a wall reinforcing method for reducing industrial building outer wall cracks comprises the following steps:
s1: fixing a wall body, fixing the wall body to be repaired by an operator by using a scaffold, and erecting the scaffold according to the actual height and length of the repaired wall body;
s2: performing wall surface treatment, namely performing operations of removing ash and removing a wall painting layer on the wall surface with cracks;
s3: wrapping fiber cloth, wrapping the fiber cloth on the outer peripheral surface of the wall body, wherein the fiber cloth rises in a spiral line; the fiber cloth covers gaps on the wall body, and is flatly laid on the surface of the wall body, so that the fiber cloth is not folded, wrinkled and the like;
s4: coating a layer of PVA-ECC matrix on the surface of the fiber cloth;
s5: repeating the steps S3 and S4 according to the size of the crack on the wall;
s6: placing fixed steel plates, flatly laying the steel plates on two sides of the wall surface, wherein the steel plates are vertical to the ground, the distance between every two adjacent steel plates is equal, the steel plates are tightly attached to the fiber cloth, and the steel plates are positioned on two sides of the wall surface;
s7: fixing the fiber cloth and the steel plate, and sequentially penetrating the steel plate, the fiber cloth and the wall body by using an anchor;
s8: and restoring the wall body, and brushing the surface of the wall body again by an operator to restore the surface of the wall body as before.
By adopting the technical scheme, the stress performance of the wall body in the two side directions is improved through the fiber cloth and the PVA-ECC matrix; the overall stability of the wall body is improved. The steel grating and the anchor piece further improve the load resisting capacity of the wall. In conclusion, the service life of the wall body is further prolonged.
The present invention in a preferred example may be further configured to: the fiber cloth mainly comprises one of carbon fiber, alkali-resistant glass fiber, basalt fiber, lauan fiber, polyethylene fiber and polyvinyl alcohol fiber.
By adopting the technical scheme, the fiber cloth has extremely high strength, and is ultra-light, high temperature resistant and high pressure resistant.
The present invention in a preferred example may be further configured to: the PVA-ECC comprises the following material components: cement, fly ash, sand, a water reducing agent, PVA fiber, quartz sand, titanium dioxide and ionic liquid, wherein the cement comprises the following components in percentage by mass: fly ash: sand: water: the water reducing agent is 1: (0.8-0.95): (0.8-1.0): (0.8-1.0): (0.002-0.003): (1.2-1.3): (0.3-0.4).
By adopting the technical scheme, the prepared PVA-ECC layer has high toughness, good crack resistance and good durability.
The present invention in a preferred example may be further configured to: the water reducing agent is one or the combination of more than two of a naphthalene-based high-efficiency water reducing agent, a polycarboxylic acid-based high-efficiency water reducing agent and an amino high-efficiency water reducing agent.
By adopting the technical scheme, the water reducing agent can prolong the service life of the prepared PVA-ECC.
The present invention in a preferred example may be further configured to: the ionic liquid is 1-butyl-3-methylimidazole hexafluorophosphate ionic liquid.
By adopting the technical scheme, the ionic liquid further prolongs the service life of the PVA-ECC.
The present invention in a preferred example may be further configured to: the fixed steel plate is made of Q235, the thickness of the fixed steel plate is 5-8 mm, and the distance between two adjacent fixed steel plates is 15-25 cm.
By adopting the technical scheme, the steel plate and the anchor piece enable the fiber cloth to be tightly attached to the wall body, and meanwhile, the load resisting capacity of the wall body is further improved.
The present invention in a preferred example may be further configured to: the thickness of the coated PVA-ECC matrix is 2-3 mm.
By adopting the technical scheme, the PVA-ECC layer with the thickness of 2-3mm forms an effective PVA-ECC layer, which plays a role in protecting the fiber cloth and enhances the stress performance of two sides of the wall body.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the wall body, the PVA-ECC matrix layer, the fiber cloth, the steel plate, the anchor and the like further improve the load resisting capacity of the wall body and prolong the service life of the wall body.
Drawings
Fig. 1 is a schematic view of the overall structure of a brick wall.
Fig. 2 is a schematic view of a half-section structure of a brick wall.
In the figure, 1, a wall body; 2. fixing a steel plate; 3. an anchor; 4. fiber cloth; 6. PVA-EEC layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the invention discloses a wall reinforcing method for reducing cracks of an outer wall of an industrial building, which comprises the following steps:
s1: fixing the wall 1, fixing the wall 1 to be repaired by an operator by using a scaffold, and erecting the scaffold according to the actual height and length of the repaired wall 1;
s2: performing surface treatment on the wall 1, namely performing operations of removing ash and removing the PVA-EEC layer 6 painted on the wall 1 with cracks on the surface of the wall 1;
s3: wrapping the fiber cloth 4, wrapping the fiber cloth 4 on the outer peripheral surface of the wall body 1, wherein the fiber cloth 4 rises in a spiral line; the fiber cloth 4 covers gaps on the wall body 1, the fiber cloth 4 is flatly laid on the surface of the wall body 1, and the fiber cloth 4 is not folded, wrinkled and the like; the type of the fiber cloth 4 mainly comprises one of carbon fiber, alkali-resistant glass fiber, basalt fiber, lauan fiber, polyethylene fiber and polyvinyl alcohol fiber, and the fiber cloth 4 has extremely high strength, and is ultra-light, high-temperature resistant and high-pressure resistant.
S4: coating a layer of PVA-EECPVA-ECC matrix on the surface of the fiber cloth 4; the material composition of PVA-ECC is: cement, fly ash, sand, a water reducing agent, PVA fiber, quartz sand, titanium dioxide and ionic liquid, wherein the cement comprises the following components in percentage by mass: fly ash: sand: water: the water reducing agent is 1: (0.8-0.95): (0.8-1.0): (0.8-1.0): (0.002-0.003): (1.2-1.3): (0.3-0.4). Preferably: the material composition of PVA-ECC is: cement, fly ash, sand, a water reducing agent, PVA fiber, quartz sand, titanium dioxide and ionic liquid, wherein the cement comprises the following components in percentage by mass: fly ash: sand: water: the water reducing agent is 1: 0.8: 0.8: 0.8: 0.002: 1.2: 0.3. the PVA-ECC matrix manufactured according to the proportion has high toughness, good crack resistance and good durability.
The water reducing agent is one or the combination of more than two of a naphthalene-based high-efficiency water reducing agent, a polycarboxylic acid-based high-efficiency water reducing agent and an amino high-efficiency water reducing agent. The water reducing agent can prolong the service life of the prepared PVA-ECC.
The ionic liquid is 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid, and the service life of the PVA-ECC layer 6 is further prolonged by the ionic liquid.
The thickness of the PVA-EECPVA-ECC matrix coated with one layer is 2-3 mm. The PVA-ECC layer 6 with the thickness of 2-3mm forms an effective PVA-ECC layer 6, which plays a role in protecting the fiber cloth 4 and enhances the stress performance of two sides of the wall body 1.
S5: repeating the steps S3 and S4 according to the size of the crack on the wall body 1;
s6: placing fixed steel plates 2, flatly paving the steel plates on two sides of the wall surface, wherein the steel plates are vertical to the ground, the distance between every two adjacent steel plates is equal, the steel plates are tightly attached to the fiber cloth 4, and the steel plates are positioned on two sides of the wall surface;
s7: fixing the fiber cloth 4 and the steel plate, and sequentially penetrating the steel plate, the fiber cloth 4 and the wall body 1 by using an anchor 3, wherein the overall effect is shown in fig. 1 and 2; the fixed steel plates 2 are made of Q235, the thickness of each fixed steel plate 2 is 5-8 mm, and the distance between every two adjacent fixed steel plates 2 is 15-25 cm. The steel plate and the anchor 3 enable the fiber cloth 4 to be tightly attached to the wall body 1, and meanwhile, the load resisting capacity of the wall body 1 is further improved.
S8: and (3) restoring the wall body 1, and brushing the surface of the wall body 1 again by an operator to restore the surface of the wall body 1 as before.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A wall body reinforcing process for reducing industrial building outer wall cracks is characterized in that: the method comprises the following steps:
s1: fixing the wall body (1), fixing the wall body (1) to be repaired by an operator by using a scaffold, and erecting the scaffold according to the actual height and length of the wall body (1) to be repaired;
s2: performing surface treatment on the wall body (1), namely performing operations of removing ash and removing a plastering layer (6 PVA-EEC) of the wall body (1) on the surface of the wall body (1) with cracks;
s3: the fiber cloth (4) is wrapped, the fiber cloth (4) is wrapped on the outer peripheral surface of the wall body (1), and the fiber cloth (4) rises in a spiral line; the fiber cloth (4) covers gaps on the wall body (1), the fiber cloth (4) is flatly laid on the surface of the wall body (1), and the fiber cloth (4) is not folded, wrinkled and the like;
s4: coating a PVA-ECC layer (6) substrate on the surface of the fiber cloth (4);
s5: repeating the steps S3 and S4 according to the size of the crack on the wall body (1);
s6: placing fixed steel plates (2), flatly laying the steel plates on two sides of the wall surface, wherein the steel plates are vertical to the ground, the distance between every two adjacent steel plates is equal, the steel plates are tightly attached to the fiber cloth (4), and the steel plates are positioned on two sides of the wall surface;
s7: fixing the fiber cloth (4) and the steel plate, and sequentially penetrating the steel plate, the fiber cloth (4) and the wall body (1) by using an anchor (3);
s8: and (3) restoring the wall body (1), and brushing the surface of the wall body (1) again by an operator to restore the surface of the wall body (1) as before.
2. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 1, is characterized in that: the type of the fiber cloth (4) mainly comprises one of carbon fiber, alkali-resistant glass fiber, basalt fiber, lauan fiber, polyethylene fiber and polyvinyl alcohol fiber.
3. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 1, is characterized in that: the PVA-ECC comprises the following material components: cement, fly ash, sand, a water reducing agent, PVA fiber, quartz sand, titanium dioxide and ionic liquid, wherein the cement comprises the following components in percentage by mass: fly ash: sand: water: the water reducing agent is 1: (0.8-0.95): (0.8-1.0): (0.8-1.0): (0.002-0.003): (1.2-1.3): (0.3-0.4).
4. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 3, is characterized in that: the water reducing agent is one or the combination of more than two of a naphthalene-based high-efficiency water reducing agent, a polycarboxylic acid-based high-efficiency water reducing agent and an amino high-efficiency water reducing agent.
5. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 3, is characterized in that: the ionic liquid is 1-butyl-3-methylimidazole hexafluorophosphate ionic liquid.
6. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 1, is characterized in that: the fixed steel plates (2) are made of Q235, the thickness of each fixed steel plate (2) is 5-8 mm, and the distance between every two adjacent fixed steel plates (2) is 15-25 cm.
7. The wall body reinforcing process for reducing the cracks of the outer wall of the industrial building, according to claim 1, is characterized in that: the thickness of the substrate coated with the PVA-ECC layer (6) is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654075.7A CN111764682A (en) | 2020-07-09 | 2020-07-09 | Wall reinforcing method for reducing cracks of industrial building outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654075.7A CN111764682A (en) | 2020-07-09 | 2020-07-09 | Wall reinforcing method for reducing cracks of industrial building outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111764682A true CN111764682A (en) | 2020-10-13 |
Family
ID=72725277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654075.7A Pending CN111764682A (en) | 2020-07-09 | 2020-07-09 | Wall reinforcing method for reducing cracks of industrial building outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111764682A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930984A1 (en) * | 1989-09-16 | 1991-03-28 | Huels Troisdorf | METHOD FOR SEALING OR REFURBISHING BODIES |
| CN108532981A (en) * | 2018-05-07 | 2018-09-14 | 中国矿业大学 | A kind of reinforcement means for the TRC improving leafy brick masonry wall anti-seismic performance |
| CN108675716A (en) * | 2018-05-29 | 2018-10-19 | 吴远怀 | A kind of PVA-ECC high-tenacity fibers cement-base composite material and preparation method thereof |
| CN109138490A (en) * | 2018-11-01 | 2019-01-04 | 河北工业大学 | A kind of method and its masonry using NSM-TRC reinforcing masonry structure |
| CN110145132A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | A kind of carbon fiber mesh is used for the reinforcement means of masonry structure |
| CN110185281A (en) * | 2019-06-12 | 2019-08-30 | 卡本科技集团股份有限公司 | A kind of method that carbon fiber mesh reinforces seismic masonry wall |
| CN110388092A (en) * | 2019-07-31 | 2019-10-29 | 上海建工集团股份有限公司 | A kind of construction method of historical building wall reparation |
-
2020
- 2020-07-09 CN CN202010654075.7A patent/CN111764682A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930984A1 (en) * | 1989-09-16 | 1991-03-28 | Huels Troisdorf | METHOD FOR SEALING OR REFURBISHING BODIES |
| CN108532981A (en) * | 2018-05-07 | 2018-09-14 | 中国矿业大学 | A kind of reinforcement means for the TRC improving leafy brick masonry wall anti-seismic performance |
| CN108675716A (en) * | 2018-05-29 | 2018-10-19 | 吴远怀 | A kind of PVA-ECC high-tenacity fibers cement-base composite material and preparation method thereof |
| CN109138490A (en) * | 2018-11-01 | 2019-01-04 | 河北工业大学 | A kind of method and its masonry using NSM-TRC reinforcing masonry structure |
| CN110145132A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | A kind of carbon fiber mesh is used for the reinforcement means of masonry structure |
| CN110185281A (en) * | 2019-06-12 | 2019-08-30 | 卡本科技集团股份有限公司 | A kind of method that carbon fiber mesh reinforces seismic masonry wall |
| CN110388092A (en) * | 2019-07-31 | 2019-10-29 | 上海建工集团股份有限公司 | A kind of construction method of historical building wall reparation |
Non-Patent Citations (1)
| Title |
|---|
| 杜晓蒙: "《建筑垃圾及工业固废再生砖》", 31 May 2019, 中国建材工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104179128B (en) | The reinforcement means of concrete pier | |
| CN106801517B (en) | External reinforcing and reinforcing method for school shed with prefabricated porous plate brick mixed structure | |
| CN111042348A (en) | Waterproof construction process for base layer in various complex forms | |
| KR102115211B1 (en) | Repair method of crack in concrete | |
| CN111764682A (en) | Wall reinforcing method for reducing cracks of industrial building outer wall | |
| KR19990084102A (en) | Method for restoring construction of polymer cement mortar section with spray manner | |
| CN103011741A (en) | Rustproof repairing method for reinforced concrete structure | |
| CN108385998A (en) | A kind of water leakage through exterior wall repairerment technique | |
| KR101763297B1 (en) | Prevent cracks and repair method of construction structure | |
| CN211572710U (en) | Prefabricated high-ductility concrete reinforcing device for masonry brick column | |
| CN110924736B (en) | Photocuring nano anticorrosive material for desulfurization tail gas chimney and construction process thereof | |
| JP2004052413A (en) | Method for repairing concrete structure suffering salt damage | |
| CN209941493U (en) | Waterproof protection structure for railway steel bridge deck | |
| KR20140046806A (en) | Construction method for discharge layer crack prevention and discharge layer | |
| CN114215116A (en) | Waterproof construction method for circular truncated cone-shaped groove of basement anti-floating anchor rod end node | |
| CN109505422B (en) | Reinforcing method for ancient building wall | |
| CN113605388A (en) | Waterproof treatment method for underground engineering pile head | |
| CN109057389B (en) | Method for repairing reserved gap of building | |
| CN110924691A (en) | Environment-friendly building construction method | |
| CN219045174U (en) | Waterproof structure of pile head of filling pile | |
| CN219158515U (en) | Masonry wall crack reinforcing structure | |
| JPH02120477A (en) | Technique of remodeling chimney already constituted | |
| Umar et al. | Strengthening of historic buildings through structural repair works: Review of the methods and process | |
| CN219158051U (en) | Waterproof outer wall of building | |
| CN210917891U (en) | Anti-anticorrosion structure along of floor concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |
|
| RJ01 | Rejection of invention patent application after publication |