CN203019749U - Crack repaired reinforced concrete - Google Patents
Crack repaired reinforced concrete Download PDFInfo
- Publication number
- CN203019749U CN203019749U CN 201220689312 CN201220689312U CN203019749U CN 203019749 U CN203019749 U CN 203019749U CN 201220689312 CN201220689312 CN 201220689312 CN 201220689312 U CN201220689312 U CN 201220689312U CN 203019749 U CN203019749 U CN 203019749U
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- Prior art keywords
- layer
- repair layer
- repair
- steel bar
- concrete
- 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.)
- Expired - Fee Related
Links
- 239000011150 reinforced concrete Substances 0.000 title abstract 4
- 239000004567 concrete Substances 0.000 claims abstract description 23
- 239000000839 emulsion Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- 238000004901 spalling Methods 0.000 claims description 10
- 239000011083 cement mortar Substances 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003469 silicate cement Substances 0.000 abstract description 7
- 239000004816 latex Substances 0.000 abstract description 6
- 229920000126 latex Polymers 0.000 abstract description 6
- 239000004568 cement Substances 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 4
- 239000000853 adhesive Substances 0.000 abstract 4
- 230000001070 adhesive effect Effects 0.000 abstract 4
- 239000002002 slurry Substances 0.000 abstract 2
- 239000004575 stone Substances 0.000 abstract 2
- 238000010422 painting Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 48
- 230000003014 reinforcing effect Effects 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The utility model provides a crack repaired reinforced concrete. The crack repaired reinforced concrete comprises a reinforcing steel layer, a repairing layer and a fine stone concrete layer, wherein the reinforcing steel layer is fastened and connected with the repairing layer by brush painting, and the fine stone concrete layer is fastened and connected with the repairing layer; the repairing layer is formed by making a structural adhesive latex cement slurry concrete; and the structural adhesive latex cement slurry comprises a high-grade silicate cement, a structural adhesive latex and water, and volumetric ratio of the high-grade silicate cement to the structural adhesive latex to water being 1:0.15:(0.05-0.2). Through the strength and toughness of the repairing layer, the reinforcing steel layer is effectively protected; and when the reinforced concrete corrosively cracks, the corrosive reinforcing steel layer is prevented from being continuously corroded.
Description
Technical field
The utility model relates to a kind of armored concrete, refers to especially the armored concrete that a kind of spalling is repaired.
Background technology
Concrete is because of the large weakness of its fragility, in use often unavoidably ftracture, the generation of distress in concrete is mainly because distortion (comprising because of reasons such as temperature humidity variation, contraction, expansion, differential settlements) and external load (dynamic and static) direct stress.Wherein, to split be modal durability failure phenomenon for the corrosion of armored concrete invar muscle and the distending that becomes rusty.Concrete can produce hyrate in hardening process, be a kind of electrolyte with high alkalinity (pH=12～14), can make rebar surface generate one deck " passivating film ", and reinforcing bar is shielded.Due to the diffusion of gas in concrete such as chlorion, oxygen, carbon dioxide, destroy " passivating film " of reinforcing bar, cause steel bar corrosion.After steel bar corrosion, volume can expand 3～4 times, produces the rust expansive force and makes the concrete cover splitting.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of after armored concrete rust distending splits generation, the armored concrete that the spalling of avoiding the reinforcing bar of corrosion to continue again corrosion is repaired.
The technical solution of the utility model is achieved in that
The armored concrete that a kind of spalling is repaired comprises steel bar layer, repair layer and pea gravel concreten layer, and described steel bar layer and described repair layer are fastenedly connected by brushing, and described pea gravel concreten layer is fastenedly connected described repair layer; Described repair layer is for adopting structure glue emulsion cement mortar to solidify the repair layer of rear formation.
It is defined as the described structure glue emulsion cement mortar that wherein adopts: comprise high grade silicate cement, structure glue emulsion and water, and the volume ratio of described high grade silicate cement, structure glue emulsion and water is 1:0.15:0.05～0.2, and described structure glue emulsion is epoxy resin latex or emulsion acrylic resin.
Preferably, described steel bar layer is for brushing or the steel bar layer of Corrosion Reinforcement surface corrosion layer is removed in sandblast.
Preferably, the thickness of described repair layer is 0.4-2mm.
Further, described repair layer is comprised of the first repair layer and the second repair layer, and the thickness of described the first repair layer and described the second repair layer is respectively 0.2-1mm.
Preferably, described structure glue emulsion cement mortar also comprises defoamer.
The beneficial effects of the utility model are:
The utility model is protected steel bar layer effectively by intensity and the toughness of repair layer, after armored concrete rust distending splits generation, can avoid the steel bar layer of corrosion to continue corrosion again.The utility model is better than common antirust paint, can closely bond with mending mortar; Be better than direct mortar and repair, make the protective layer environment basicity of repairing reinforcing bar higher, finer and close, more tough and tensile, can be fully and corrosive medium isolate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, the armored concrete that a kind of spalling is repaired comprises steel bar layer 1, repair layer 2 and pea gravel concreten layer 3, and described steel bar layer 1 is fastenedly connected by brushing with described repair layer 2, and described pea gravel concreten layer 3 is fastenedly connected described repair layer 2; Described repair layer 2 is for adopting structure glue emulsion cement mortar to solidify the repair layer of rear formation, the described structure glue emulsion cement mortar that wherein adopts comprises high grade silicate cement, structure glue emulsion and water, and the volume ratio of described high grade silicate cement, structure glue emulsion and water is 1:0.15:0.05～0.2.Described structure glue emulsion employing good stability, the resin emulsion that durability is strong are as epoxy resin latex, emulsion acrylic resin etc.In case of necessity, above-mentioned high grade silicate cement, structure glue emulsion and mix proper quantity of defoaming agent after water mixes are mixed pulping thoroughly again.
Described steel bar layer 1 is preferably with brushing or the steel bar layer of Corrosion Reinforcement surface corrosion layer is removed in sandblast.
Described repair layer 2 is comprised of the first repair layer 21 and the second repair layer 22, and the thickness of described the first repair layer 21 and described the second repair layer 22 is respectively 0.2-1mm.That is, on the whole repair layer thickness is at 0.4-2mm.
The utility model can form by the following method:
1, cut rust crack, loosening concrete cover, after exposing the rust reinforcing bar, remove the corrosion layer on Corrosion Reinforcement surface with brossage or sand-blast, form steel bar layer;
2, brush above-mentioned steel bar layer twice with structure glue emulsion cement mortar, every all over thick 0.2～0.5mm, after upper first pass final set forms the first repair layer, then brush formation the second repair layer second time;
3, fill up with the high grade pea gravel concreten at last, form the pea gravel concreten layer that is fastenedly connected with repair layer.
The utility model forms the structure glue protective layer (being repair layer) of one deck densification at the rebar surface that has eliminated rust with structure glue emulsion cement mortar, reinforcing bar and water, carbon dioxide, chlorion are effectively isolated; The hyrate of cement paste has recovered the high alkalinity environment for again reinforcing bar again, again sets up " passivating film " of reinforcing bar.Structure glue has strengthened intensity and the toughness of cement protective layer (being repair layer), makes it not impaired in subsequent handling, thereby makes no longer corrosion of reinforcing bar.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the armored concrete repaired of a spalling, it is characterized in that: comprise steel bar layer, repair layer and pea gravel concreten layer, described steel bar layer and described repair layer are fastenedly connected by brushing, and described pea gravel concreten layer is fastenedly connected described repair layer; Described repair layer is for adopting structure glue emulsion cement mortar to solidify the repair layer of rear formation.
2. the armored concrete repaired of a kind of spalling as claimed in claim 1 is characterized in that: described steel bar layer is for brushing or the steel bar layer of Corrosion Reinforcement surface corrosion layer is removed in sandblast.
3. the armored concrete repaired of a kind of spalling as claimed in claim 2, it is characterized in that: the thickness of described repair layer is 0.4-2mm.
4. the armored concrete repaired of a kind of spalling as claimed in claim 3, it is characterized in that: described repair layer is comprised of the first repair layer and the second repair layer, and the thickness of described the first repair layer and described the second repair layer is respectively 0.2-1mm.
5. the armored concrete repaired of a kind of spalling as claimed in claim 4, it is characterized in that: described structure glue emulsion cement mortar also comprises defoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689312 CN203019749U (en) | 2012-12-13 | 2012-12-13 | Crack repaired reinforced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689312 CN203019749U (en) | 2012-12-13 | 2012-12-13 | Crack repaired reinforced concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019749U true CN203019749U (en) | 2013-06-26 |
Family
ID=48643757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689312 Expired - Fee Related CN203019749U (en) | 2012-12-13 | 2012-12-13 | Crack repaired reinforced concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203019749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595008A (en) * | 2018-08-15 | 2019-04-09 | 福建陆海工程勘察设计有限公司 | A kind of restorative procedure of Tunnel Second Lining concrete dew muscle |
-
2012
- 2012-12-13 CN CN 201220689312 patent/CN203019749U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595008A (en) * | 2018-08-15 | 2019-04-09 | 福建陆海工程勘察设计有限公司 | A kind of restorative procedure of Tunnel Second Lining concrete dew muscle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: 361000 A District, Lin Wei Li, Xinwei Town, Xiangan District, Xiamen, Fujian, China. 2-2 Patentee after: Xiamen Ya Public Construction Group Co., Ltd. Address before: Siming District of Xiamen City, Fujian province 361008 lianqianxi No. 585 room 104 Patentee before: Wang Quanmin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20201213 |