CN105735668A - Building reinforcement structure and building reinforcement method - Google Patents
Building reinforcement structure and building reinforcement method Download PDFInfo
- Publication number
- CN105735668A CN105735668A CN201610235438.7A CN201610235438A CN105735668A CN 105735668 A CN105735668 A CN 105735668A CN 201610235438 A CN201610235438 A CN 201610235438A CN 105735668 A CN105735668 A CN 105735668A
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- Prior art keywords
- polymer mortar
- building
- layer
- fiber grid
- mortar layer
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (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 the field of buildings, and particularly discloses a building reinforcement structure. The building reinforcement structure comprises a building substrate, an interface agent layer which covers the surface of the building substrate, a first polymer mortar layer which covers the interface agent layer, a fibre grid which is partially embedded into the first polymer mortar layer, and a second polymer mortar layer which covers the first polymer mortar layer and the fibre grid. Due to the adoption of the manner of sandwiching the fibre grid between the two polymer mortar layers, the thickness of a repairing layer of the building reinforcement structure is small, so that the structure space utilization rate is improved; the reinforcement strength can also be enhanced remarkably. Meanwhile, the building reinforcement structure also has corrosion resistance, peeling resistance, impact resistance and fire resistance, and has the advantages of prolonging the service life of the building and the like. In addition, the building reinforcement structure also has the advantages of convenience in construction, rapidness in repair, corrosion resistance, peeling resistance, impact resistance, and meanwhile, prolongation of the service life of the structure and the like. The invention further discloses a building reinforcement method.
Description
Technical field
The present invention relates to civil engineering field, particularly relate to a kind of construction reinforced structure and building strengthening method.
Background technology
Building is because of the impact of the factors such as environmental corrosion, load, vibrations, impact, it is possible to there will be the diseases such as cracking, peeling, deformation, infiltration, and this will affect the local of building, even overall use function.
In order to eliminate the above-mentioned disease of building, building need to be reinforced.Current building strengthening method mainly has the following two kinds:
(1) reinforcing bar/steel mesh-concrete reinforcement, the method repair layer thickness is big, reduces the space of original structure significantly, and exists weak to burn into high in cost of production shortcoming；
(2) affixing steel plate reinforcement method, although the method can reduce the thickness of repair layer, but there is the shortcomings such as poor durability in it.
Summary of the invention
Based on this, it is necessary to the problem of, poor durability big for reinforcement means repair layer thickness in prior art, it is provided that a kind of thickness is little, the construction reinforced structure of good endurance.
A kind of construction reinforced structure, including:
Building matrix；
Interface agent layer, is overlying on the surface of described building matrix；
First polymer mortar layer, is overlying on described interface agent layer；
Fiber grid, is partially submerged in described first polymer mortar layer；
And second polymer mortar layer, it is overlying on described first polymer mortar layer and described fiber grid.
Above-mentioned construction reinforced structure, owing to adopting the mode of two layers of polymers mortar interlayer folder fiber grid, the thickness of its repair layer is less, improves structure space utilization rate；Fastening strength can also be obviously enhanced.Also there is anticorrosion, antistripping, shock resistance and fire resistance simultaneously, and extend the advantages such as building service life.Additionally there is construction reparation convenient, quick, anticorrosion, antistripping, shock resistance and fire resistance, simultaneously the advantage such as extending structure service life.
Wherein in an embodiment, the thickness of described first polymer mortar layer is 1～2cm.
Wherein in an embodiment, the thickness of described second polymer mortar layer is 1～3cm.
Wherein in an embodiment, the thickness of described interface agent layer is 0.01～1mm.
Wherein in an embodiment, described fiber grid is carbon fiber grille, fiberglass grid, aramid fiber grid or flax fiber grid.
Present invention also offers a kind of building strengthening method.
A kind of building strengthening method, comprises the steps:
Surface-coated interfacial agents at building matrix；
Interfacial agents is coated with the first polymer mortar, and fiber grid is partially embedded in described first polymer mortar；
The surface of the first polymer mortar and described fiber grid are coated with the second polymer mortar.
Above-mentioned building strengthening method, simple, construct convenient, quickly building can be carried out repairing and reinforcement.The construction reinforced structure formed, the thickness of repair layer is less, improves structure space utilization rate；Improve fastening strength.Also there is anticorrosion, antistripping, shock resistance and fire resistance simultaneously, and extend the advantages such as building service life.
Wherein in an embodiment, before being additionally included in coating interfacial agents, described building matrix is carried out surface treatment.
Wherein in an embodiment, the coating method of described interfacial agents is spraying, roller coating or brushing.
Wherein in an embodiment, the coating method of described first polymer mortar is for spraying or smears.
Wherein in an embodiment, the embedded mode of described fiber grid is for smear pressure fiber grid with spatula.
Accompanying drawing explanation
Fig. 1 is the partial schematic sectional view of the construction reinforced structure of one embodiment of the invention.
Fig. 2 is the schematic cross-section of the construction reinforced structure of one embodiment of the invention.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiments described herein.On the contrary, provide the purpose of these embodiments be make the disclosure is understood more thorough comprehensively.
It should be noted that be referred to as " being arranged at " another element when element, it can directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.For illustrative purposes only, being not offered as is unique embodiment for term as used herein " vertical ", " level ", "left", "right" and similar statement.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology.The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention.Term as used herein " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
Referring to Fig. 1-2, the construction reinforced structure 100 of one embodiment of the invention, including building matrix 110, the interface agent layer 120 being overlying on building matrix 110 surface, the first polymer mortar layer 130 being overlying on interface agent layer 120, the fiber grid 140 being partially submerged in the first polymer mortar layer 130 and be overlying on the second polymer mortar layer 150 on the first polymer mortar layer 130 and fiber grid 140.
Wherein, building matrix 110 refers to part or the region of building to be repaired or to be reinforced, it is possible to be the end face of building, side, also or bottom surface.The building matrix of the present invention can be tunnel matrix, road matrix, bridge matrix, side slope matrix or house matrix.It is to say, the construction reinforced structure of the present invention goes for tunnel, road, bridge, side slope and house etc..
Wherein, the Main Function of interface agent layer 120 is, improves the physically and/or chemically performance on building matrix 110 surface, thus improving adhesion between building matrix 110 and repair layer.Specifically, interface agent layer 120 is dried by the interfacial agents being coated on building matrix 110 and is subsequently formed.Wherein, interfacial agents is known in those skilled in the art, it is possible to selects emulsion-type interfacial agents or selects dry-type interfacial agents.Preferably, the thickness of interface agent layer 120 is 0.01～1mm.
Wherein, the first polymer mortar layer 130 is subsequently formed by the first polymer mortar solidification in the outside investing interface agent layer 120.First polymer mortar layer 130, it is configured to the core of repair layer with fiber grid 140 and the second polymer mortar layer 150, provides mechanical strength for repair layer.The present invention is not particularly limited for the thickness of the first polymer mortar layer 130, and those skilled in the art can according to the suitable thickness of practical situation different choice.Preferably, the thickness of the first polymer mortar layer 130 is 1～2cm.So it is easier to be formed in the region such as inclined-plane or end face the first polymer mortar layer 130, and can effectively prevent curtain coating or the peeling of the first polymer mortar in work progress.
Wherein, fiber grid 140 is a kind of earth working material that this area is common, is generally adopted, by fibre bundle, the mesh material that certain weaving makes.In the present embodiment, fiber grid 140 is fiberglass grid, i.e. glass fiber grid (being called for short EGA).It is, of course, understood that the fiber grid of the present invention is also selected from carbon fiber grille, aramid fiber grid or flax fiber grid etc..
In order to improve the performance of repair layer further, it is preferable that the thickness of fiber grid is 0.1～0.5cm.The horizontal spacing of fiber grid is 2～10cm；The longitudinal pitch of fiber grid is 2～10cm.It is, of course, understood that those skilled in the art are also dependent on the difference of practical situation, select the fiber grid of other specifications parameter.
In the present invention, fiber grid 140 is partially submerged in the first polymer mortar layer 130, that is, fiber grid 140 is clipped between the first polymer mortar layer 130 and the second polymer mortar layer 150, in the position, void region of fiber grid 140, the first polymer mortar layer 130 directly contacts with the second polymer mortar layer 150 surface.
Wherein, the second polymer mortar layer 150 is overlying on the first polymer mortar layer 130 and fiber grid 140.Second polymer mortar layer 150 is formed by after the second polymer mortar solidification.The Main Function of the second polymer mortar layer 150 is, is used for protecting fiber grid 140, and can improve the thickness of polymer mortar in repair layer further, further enhancing the intensity of repair layer.The present invention is not particularly limited for the thickness of the second polymer mortar layer 150, and those skilled in the art can according to the suitable thickness of practical situation different choice.Preferably, the thickness of the second polymer mortar layer is 1～3cm.So it is easier to be formed in the region such as inclined-plane or end face the second polymer mortar layer 130, and can effectively prevent curtain coating or the peeling of the second polymer mortar in work progress.
In the present embodiment, the thickness of the first polymer mortar layer 130 is less than the thickness of the second polymer mortar layer 150.So can be more beneficial for construction, be conducive to improving whole fastening strength.It is, of course, understood that the thickness of the first polymer mortar layer 130 can also also be equal to or more than the thickness of the second polymer mortar layer 150.Those skilled in the art according to practical situation, can also be independently selected from the thickness of the first polymer mortar layer 130 and the second polymer mortar layer 150.
In the present embodiment, first polymer mortar layer 130 and the second polymer mortar layer 150 are formed by same material, in other words, the first polymer mortar in the first polymer mortar layer 130 and the second polymer mortar in the second polymer mortar layer 150 are same polymer mortar.It is, of course, understood that the first polymer mortar layer 130 and the second polymer mortar layer 150 are formed by different materials.
Above-mentioned construction reinforced structure, owing to adopting the mode of two layers of polymers mortar interlayer folder fiber grid, the thickness of its repair layer is less, improves structure space utilization rate；Not affecting on the basis that structure space utilizes, also effective control critical eigenvalue produces and expansion, it is prevented that repair layer is peeled off, and strengthens shock resistance, obtains good repairing and reinforcement effect, improve the service life of building.Also there is the advantages such as anticorrosion, shock resistance and fire resistance simultaneously.
Present invention also offers a kind of building strengthening method.
A kind of building strengthening method, comprises the steps:
Surface-coated interfacial agents at building matrix；
Interfacial agents is coated with the first polymer mortar, and fiber grid is partially embedded in described first polymer mortar；
The surface of the first polymer mortar and described fiber grid are coated with the second polymer mortar.
Wherein, before coating interfacial agents step, it is preferable that also include building matrix is carried out surface treatment.The mud of building matrix surface, aquatic organism, loose concrete and other impurity etc. can be removed, it is possible to strengthen the adhesion of building matrix and repair layer by surface treatment.The surface treatment of the present invention includes but not limited to that grinding process or flushing process.Preferably, first suitably polishing building matrix, then rinses the surface after polishing with giant.
Wherein, be coated with interfacial agents step particularly as follows: after surface treatment building matrix surface spraying, roller coating or brush interfacial agents.
Wherein, the coating method of the first polymer mortar for spraying or is smeared.It is, of course, understood that coating method is not limited thereto, it is also possible to be other coating method.
Wherein, the embedded mode of fiber grid is preferably, and smears pressure fiber grid with spatula, so that fiber grid is partially submerged in the first polymer mortar.
In order to improve reinforcement performance further, it is preferable that, it is also possible to repair layer is maintained.Specifically, it is possible to according to weather and ambient conditions, low pressure spray water, on the second polymer mortar layer, keeps its surface wettability a period of time.
In a preferred embodiment, building strengthening method is specific as follows:
First suitably polishing building matrix, then rinses the surface after polishing with giant.Treat that building matrix surface is dried, interfacial agents is sprayed on the surface of building matrix.When interfacial agents is about to dry, smear the first polymer mortar in interfacial agents；The fiber grid of suitable dimension is laid on the first wet polymer mortar, smears pressure fiber grid with spatula, make the lower part of fiber grid be trapped in the first polymer mortar.After the first polymer mortar dry tack free, smear second polymer mortar, then treat the second polymer mortar solidification.
Above-mentioned building strengthening method, simple, construct convenient, quickly building can be carried out repairing and reinforcement.The construction reinforced structure formed, the thickness of repair layer is less, improves structure space utilization rate；Improve fastening strength.Also there is anticorrosion, antistripping, shock resistance and fire resistance simultaneously, and extend the advantages such as building service life.
Each technical characteristic of above example can combine arbitrarily, for making description succinct, all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Above example only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a construction reinforced structure, it is characterised in that including:
Building matrix；
Interface agent layer, is overlying on the surface of described building matrix；
First polymer mortar layer, is overlying on described interface agent layer；
Fiber grid, is partially submerged in described first polymer mortar layer；
And second polymer mortar layer, it is overlying on described first polymer mortar layer and described fiber grid.
2. construction reinforced structure according to claim 1, it is characterised in that the thickness of described first polymer mortar layer is 1～2cm.
3. construction reinforced structure according to claim 1, it is characterised in that the thickness of described second polymer mortar layer is 1～3cm.
4. construction reinforced structure according to claim 1, it is characterised in that the thickness of described interface agent layer is 0.01～1mm.
5. construction reinforced structure according to claim 1, it is characterised in that described fiber grid is carbon fiber grille, fiberglass grid, aramid fiber grid or flax fiber grid.
6. a building strengthening method, it is characterised in that comprise the steps:
Surface-coated interfacial agents at building matrix；
Interfacial agents is coated with the first polymer mortar, and fiber grid is partially embedded in described first polymer mortar；
The surface of the first polymer mortar and described fiber grid are coated with the second polymer mortar.
7. building strengthening method according to claim 6, it is characterised in that before being additionally included in coating interfacial agents, described building matrix is carried out surface treatment.
8. building strengthening method according to claim 6, it is characterised in that the coating method of described interfacial agents is spraying, roller coating or brushing.
9. building strengthening method according to claim 6, it is characterised in that the coating method of described first polymer mortar is for spraying or smears.
10. building strengthening method according to claim 6, it is characterised in that the embedded mode of described fiber grid is for smear pressure fiber grid with spatula.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235438.7A CN105735668A (en) | 2016-04-15 | 2016-04-15 | Building reinforcement structure and building reinforcement method |
| PCT/CN2017/072572 WO2017177749A1 (en) | 2016-04-15 | 2017-01-25 | Building reinforcement structure and building reinforcement method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610235438.7A CN105735668A (en) | 2016-04-15 | 2016-04-15 | Building reinforcement structure and building reinforcement method |
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| CN105735668A true CN105735668A (en) | 2016-07-06 |
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| CN201610235438.7A Pending CN105735668A (en) | 2016-04-15 | 2016-04-15 | Building reinforcement structure and building reinforcement method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177749A1 (en) * | 2016-04-15 | 2017-10-19 | 张家港英华材料科技有限公司 | Building reinforcement structure and building reinforcement method |
| CN109487949A (en) * | 2018-10-11 | 2019-03-19 | 潘旭鹏 | A kind of building foundation plate |
| CN110145071A (en) * | 2019-02-18 | 2019-08-20 | 卡本科技股份有限公司 | The Enhancement Method of carbon fiber mesh and mortar interface bond stress, composite material |
| CN110144733A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | Carbon fiber mesh and preparation method thereof, composite material and preparation method |
| CN110318555A (en) * | 2019-07-18 | 2019-10-11 | 卡本科技集团股份有限公司 | A kind of high tensile steel wire fabric reinforcing method |
| CN111188238A (en) * | 2020-01-13 | 2020-05-22 | 上海悍马建筑科技有限公司 | Method for reinforcing pavement by using carbon fiber mesh cloth |
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| JP2009263893A (en) * | 2008-04-22 | 2009-11-12 | Aica Kogyo Co Ltd | Concrete repair layer structure |
| CN103321442A (en) * | 2013-06-14 | 2013-09-25 | 浙江建设职业技术学院 | Self-compensating repair structure and process for internal stress cracking of inner wall heat insulating wall surface |
| CN205558336U (en) * | 2016-04-15 | 2016-09-07 | 张家港英华材料科技有限公司 | Building reinforced structure |
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| CN101229966A (en) * | 2008-01-23 | 2008-07-30 | 江苏普利匡聚合物材料有限公司 | Resin concrete and forming product thereof |
| JP2009263893A (en) * | 2008-04-22 | 2009-11-12 | Aica Kogyo Co Ltd | Concrete repair layer structure |
| CN103321442A (en) * | 2013-06-14 | 2013-09-25 | 浙江建设职业技术学院 | Self-compensating repair structure and process for internal stress cracking of inner wall heat insulating wall surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177749A1 (en) * | 2016-04-15 | 2017-10-19 | 张家港英华材料科技有限公司 | Building reinforcement structure and building reinforcement method |
| CN109487949A (en) * | 2018-10-11 | 2019-03-19 | 潘旭鹏 | A kind of building foundation plate |
| CN110144733A (en) * | 2019-01-23 | 2019-08-20 | 卡本科技股份有限公司 | Carbon fiber mesh and preparation method thereof, composite material and preparation method |
| CN110145071A (en) * | 2019-02-18 | 2019-08-20 | 卡本科技股份有限公司 | The Enhancement Method of carbon fiber mesh and mortar interface bond stress, composite material |
| CN110318555A (en) * | 2019-07-18 | 2019-10-11 | 卡本科技集团股份有限公司 | A kind of high tensile steel wire fabric reinforcing method |
| CN111188238A (en) * | 2020-01-13 | 2020-05-22 | 上海悍马建筑科技有限公司 | Method for reinforcing pavement by using carbon fiber mesh cloth |
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Application publication date: 20160706 |