CN114538862A - Concrete defect repairing material - Google Patents
Concrete defect repairing material Download PDFInfo
- Publication number
- CN114538862A CN114538862A CN202111579517.7A CN202111579517A CN114538862A CN 114538862 A CN114538862 A CN 114538862A CN 202111579517 A CN202111579517 A CN 202111579517A CN 114538862 A CN114538862 A CN 114538862A
- Authority
- CN
- China
- Prior art keywords
- parts
- concrete
- sand
- lithopone
- repairing
- 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
- 230000007547 defect Effects 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 title claims abstract description 31
- 230000008439 repair process Effects 0.000 claims abstract description 29
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003822 epoxy resin Substances 0.000 claims abstract description 19
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 27
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 16
- 150000004645 aluminates Chemical class 0.000 claims description 16
- 239000004568 cement Substances 0.000 claims description 16
- 239000008096 xylene Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 abstract description 16
- 239000011347 resin Substances 0.000 abstract description 16
- 239000004570 mortar (masonry) Substances 0.000 abstract description 14
- 238000002156 mixing Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000001988 toxicity Effects 0.000 abstract description 2
- 231100000419 toxicity Toxicity 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- AEEAZFQPYUMBPY-UHFFFAOYSA-N [I].[W] Chemical compound [I].[W] AEEAZFQPYUMBPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a concrete defect repairing material which comprises, by weight, 80-120 parts of epoxy resin, 5-20 parts of dimethylbenzene and 50-100 parts of lithopone. The raw materials used in the invention are all common materials, are easy to purchase, are simple to prepare, can be prepared on site, and besides the general purpose of the resin adhesive, the invention can respectively repair the concrete defects of different degrees by two products of resin mortar and resin concrete, and has wide adaptability; the invention effectively improves the strength of the concrete and improves the durability of the concrete while ensuring that the repairing purpose is achieved through reasonable mixing of the components. The raw materials involved in the invention are chemicals without strong toxicity, the preparation process is simple, the repairing operation is convenient, and the comprehensive cost is low.
Description
Technical Field
The invention relates to the technical field of concrete repair, in particular to a concrete defect repair material.
Background
At present, concrete can cause various defects because of various reasons in the daily pouring process, and because the template system of concrete differs with concrete pouring worker level, the concrete can produce the defect that difference and severity are unequal after the form removal. Such as concrete defects of pitted surface, cracks, exposed ribs, exposed vibration, slab staggering, local damage and the like. For repairing the defects on the surface of the concrete, the smaller the number and the better the parts to be repaired, the consistent surface color is required, a certain adhesion effect is required, the concrete is not easy to fall off, and the concrete has certain strength. Most concrete repair materials at present have the risk of easy drop, intensity reduction, and to the part that drops, often do not have effectual repair materials, if still adopt the concrete repair before, often need support or template support, and the difficult adhesion of pouring of the secondary of small area and pouring before moreover produces the drop again very easily.
Disclosure of Invention
The invention aims to provide a concrete defect repairing material which can effectively repair concrete surface defects, has certain strength while changing the appearance of concrete, and does not influence the service performance and durability of the concrete in response.
The technical scheme adopted by the invention is as follows:
the concrete defect repairing material consists of epoxy resin 80-120 weight portions, xylene 5-20 weight portions and lithopone 50-100 weight portions.
Also comprises the raw materials of 5-10 parts of ethylenediamine, 900 parts of sand 700-activated carbon and 60-80 parts of aluminate cement by weight.
The material also comprises 600 portions of 400-sand-containing stone, 200 portions of 100-sand-containing lithopone and 600 portions of 400-sand-containing sand.
The particle size of the stone is 5-10 mm.
The concrete repair face paint comprises the following raw materials, by weight, 80 parts of epoxy resin, 20 parts of xylene, 10 parts of ethylenediamine, 700 parts of sand, 80 parts of aluminate cement and 50 parts of lithopone, and is used for brushing a concrete repair face to ensure that a repaired part is closely cemented with original concrete.
The concrete repair material comprises the following raw materials, by weight, 100 parts of epoxy resin, 10 parts of xylene, 8 parts of ethylenediamine, 800 parts of sand, 70 parts of aluminate cement and 70 parts of lithopone, and is used for repairing local concrete defects with small volume and bottom concrete defects.
The concrete repair material comprises, by weight, 120 parts of epoxy resin, 5 parts of xylene, 5 parts of ethylenediamine, 900 parts of sand, 60 parts of aluminate cement and 100 parts of lithopone, and is used for repairing defects of concrete with a large volume.
Compared with the prior art, the invention has the beneficial effects that:
the raw materials used in the invention are all common materials, are easy to purchase, are simple to prepare, can be prepared on site, and besides the general purpose of the resin adhesive, the invention can respectively repair the concrete defects of different degrees by two products of resin mortar and resin concrete, and has wide adaptability; the invention effectively improves the strength of the concrete and improves the durability of the concrete while ensuring that the repairing purpose is achieved through reasonable mixing of the components. The raw materials involved in the invention are chemicals without strong toxicity, the preparation process is simple, the repairing operation is convenient, and the comprehensive cost is low.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The concrete repair face paint comprises the following raw materials, by weight, 80-120 parts of epoxy resin, 5-20 parts of xylene and 50-100 parts of lithopone, and is used for brushing a concrete repair face to ensure that a repaired part is closely cemented with original concrete. According to the invention, the epoxy resin and xylene are matched with lithopone, and the xylene can be used for diluting the epoxy resin to change the flow property of the epoxy resin, and the lithopone can be used as a brightening agent and can also improve the weather resistance and algae prevention of the material.
The concrete repair material also comprises the raw materials of 5-10 parts by weight of ethylenediamine, 900 parts by weight of sand 700-silca and 60-80 parts by weight of aluminate cement, and is used for repairing local concrete defects with smaller volume and bottom concrete defects. On the basis of the above, ethylenediamine is added as a curing agent to accelerate the hardening of the resin mortar, and sand is used as a filler of the mortar to play a role in skeleton caulking. . The aluminate cement not only improves the strength of the mortar, but also can adjust the color of the mortar to be consistent with that of the existing structure.
The concrete repair material also comprises 600 parts by weight of 400-part lithopone, 200 parts by weight of lithopone and 600 parts by weight of 400-part sand, and is used for repairing concrete defects with larger volume. The resin concrete uses sand and stone as aggregate, the stone plays the role of skeleton, and the sand is used for filling. The lithopone is used as a whitening agent, can further improve the weather resistance and the algae prevention of the material, and can reduce the cost.
The particle size of the stone is 5-10 mm. The repair volume of the repair concrete is not too large, so that the small broken stones with the size of 5-10mm are adopted, the contact area of the aggregate and the bonding material is increased, and the strength of the repair material is improved.
Example 1
The formula of the resin mortar for repairing the concrete defects comprises the following components: 80 parts of epoxy resin, 20 parts of dimethylbenzene, 10 parts of ethylenediamine, 700 parts of sand, 80 parts of aluminate cement and 50 parts of lithopone.
The preparation process comprises the steps of 1, adding dimethylbenzene into epoxy resin, and uniformly stirring for later use. 2. Mixing the sand, the aluminate cement and the lithopone uniformly. 3. And (3) mixing and uniformly stirring the samples 1 and 2, and adding ethylenediamine. The mixture is uniformly mixed and used as soon as possible.
Example 2
The formula of the resin mortar for repairing the concrete defects comprises the following components: 100 parts of epoxy resin, 10 parts of dimethylbenzene, 8 parts of ethylenediamine, 800 parts of sand, 70 parts of aluminate cement and 70 parts of lithopone.
The preparation process comprises the steps of 1, adding dimethylbenzene into epoxy resin, and uniformly stirring for later use. 2. Mixing the sand, the aluminate cement and the lithopone uniformly. 3. And (3) mixing and uniformly stirring the samples 1 and 2, and adding ethylenediamine. The mixture is uniformly mixed and used as soon as possible. Example 3
The formula of the resin mortar for repairing the concrete defects comprises the following components: 120 parts of epoxy resin, 5 parts of dimethylbenzene, 5 parts of ethylenediamine, 900 parts of sand, 60 parts of aluminate cement and 100 parts of lithopone.
The preparation process comprises the steps of 1, adding dimethylbenzene into epoxy resin, and uniformly stirring for later use. 2. Mixing the sand, the aluminate cement and the lithopone uniformly. 3. And (3) mixing and uniformly stirring the samples 1 and 2, and adding ethylenediamine. The mixture is uniformly mixed and used as soon as possible. Resin mortar performance test experiment:
and carrying out compression strength and crack resistance tests on the three implementations by adopting a TYA-2000 type pressure testing machine according to JGJ/T70-2009 Standard for testing basic performance of building mortar and JC/T951-2005 method for testing crack resistance of cement mortar. The size of the compression strength test piece is 70.7 × 70.7mm, the size of the anti-cracking test piece is 910 × 600 × 20mmm, and the maintenance method of the compression test piece is natural drying. The anti-cracking test is carried out by baking with a iodine-tungsten lamp and blowing with a fan. The results of the tests are shown in table 1 below: as can be seen from the table, the compressive strength of the resin mortar is more than 50MPa, the cracking index is less than 10mm, and the resin mortar can be widely applied to the treatment of concrete structure defects.
TABLE 1 summary of experimental results of resin mortar
According to GB/T50081-. The test piece size of the compressive strength tested is 150 × 150mm, the test piece size of the crack resistance tested is 800 × 600 × 100mm, and the maintenance method is natural drying. The results of the tests are shown in Table 2 below: as can be seen from the table, the compressive strength of the plugging material is more than 50MPa, the cracking area grade on unit volume is less than 20mm2, and the plugging material can be widely applied to treatment of defects and diseases of concrete structures.
TABLE 2 summary of experimental results for resin concrete
In the description of the present invention, it is to be noted that, for the orientation words, there are terms such as "center", "lateral", "longitudinal", and the like
The directional and positional relationships, as "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are indicative of the relative orientation or positional relationship shown, merely for convenience of description and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention in any way.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the application of the principles of the technology. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the specific embodiments described herein, and may include more effective embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. A concrete defect repairing material is characterized in that: the epoxy resin 5-20 parts and lithopone 50-100 parts.
2. The concrete defect repair material according to claim 1, wherein: also comprises the raw materials with the weight portion of 5-10 portions of ethylenediamine, 900 portions of sand 700-silca and 60-80 portions of aluminate cement.
3. The concrete defect repair material according to claim 1, wherein: the material also comprises 600 portions of 400-sand-containing stone, 200 portions of 100-sand-containing lithopone and 600 portions of 400-sand-containing sand.
4. A concrete defect repair material according to any one of claims 1 to 3, wherein: the particle size of the stone is 5-10 mm.
5. The concrete defect repair material according to claim 4, wherein: the concrete repair face paint comprises the following raw materials, by weight, 80 parts of epoxy resin, 20 parts of xylene, 10 parts of ethylenediamine, 700 parts of sand, 80 parts of aluminate cement and 50 parts of lithopone, and is used for brushing a concrete repair face to ensure that a repaired part is closely cemented with original concrete.
6. The concrete defect repair material according to claim 4, wherein: the concrete repair material comprises the following raw materials, by weight, 100 parts of epoxy resin, 10 parts of xylene, 8 parts of ethylenediamine, 800 parts of sand, 70 parts of aluminate cement and 70 parts of lithopone, and is used for repairing local concrete defects with small volume and bottom concrete defects.
7. The concrete defect repair material according to claim 4, wherein: the concrete repair material comprises, by weight, 120 parts of epoxy resin, 5 parts of xylene, 5 parts of ethylenediamine, 900 parts of sand, 60 parts of aluminate cement and 100 parts of lithopone, and is used for repairing defects of concrete with a large volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579517.7A CN114538862A (en) | 2021-12-22 | 2021-12-22 | Concrete defect repairing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579517.7A CN114538862A (en) | 2021-12-22 | 2021-12-22 | Concrete defect repairing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114538862A true CN114538862A (en) | 2022-05-27 |
Family
ID=81669872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111579517.7A Pending CN114538862A (en) | 2021-12-22 | 2021-12-22 | Concrete defect repairing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114538862A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000327392A (en) * | 1999-05-17 | 2000-11-28 | Nichiei-Yoshida Co Ltd | Concrete-repairing material and repair |
| JP2008037704A (en) * | 2006-08-07 | 2008-02-21 | Sho Bond Constr Co Ltd | Method for repairing concrete channel |
| CN101759427A (en) * | 2009-12-09 | 2010-06-30 | 葛洲坝集团试验检测有限公司 | Inorganic concrete repair material of high resistance to erosion and abrasion |
| CN102604509A (en) * | 2012-02-08 | 2012-07-25 | 西安华捷奥海新材料有限公司 | Nanofiber heavy-duty anti-corrosive coating, preparation method and spraying method of nanofiber heavy-duty anti-corrosive coating |
| CN106626024A (en) * | 2016-11-30 | 2017-05-10 | 重庆渝桥建筑构件有限公司 | Cast-in-place concrete sleeper construction technology |
| CN108285300A (en) * | 2018-04-02 | 2018-07-17 | 贵阳市政建设有限责任公司混凝土制品分公司 | A kind of large volume epoxy resin concrete casting craft |
-
2021
- 2021-12-22 CN CN202111579517.7A patent/CN114538862A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000327392A (en) * | 1999-05-17 | 2000-11-28 | Nichiei-Yoshida Co Ltd | Concrete-repairing material and repair |
| JP2008037704A (en) * | 2006-08-07 | 2008-02-21 | Sho Bond Constr Co Ltd | Method for repairing concrete channel |
| CN101759427A (en) * | 2009-12-09 | 2010-06-30 | 葛洲坝集团试验检测有限公司 | Inorganic concrete repair material of high resistance to erosion and abrasion |
| CN102604509A (en) * | 2012-02-08 | 2012-07-25 | 西安华捷奥海新材料有限公司 | Nanofiber heavy-duty anti-corrosive coating, preparation method and spraying method of nanofiber heavy-duty anti-corrosive coating |
| CN106626024A (en) * | 2016-11-30 | 2017-05-10 | 重庆渝桥建筑构件有限公司 | Cast-in-place concrete sleeper construction technology |
| CN108285300A (en) * | 2018-04-02 | 2018-07-17 | 贵阳市政建设有限责任公司混凝土制品分公司 | A kind of large volume epoxy resin concrete casting craft |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220527 |