CN110451898A - A kind of early strong repairing mortar of polymer - Google Patents
A kind of early strong repairing mortar of polymer Download PDFInfo
- Publication number
- CN110451898A CN110451898A CN201910760682.9A CN201910760682A CN110451898A CN 110451898 A CN110451898 A CN 110451898A CN 201910760682 A CN201910760682 A CN 201910760682A CN 110451898 A CN110451898 A CN 110451898A
- Authority
- CN
- China
- Prior art keywords
- parts
- mortar
- early strong
- cement
- repairing mortar
- 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
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
Abstract
The invention discloses a kind of early strong repairing mortars of polymer, belong to the field of building materials, its key points of the technical solution are that according to parts by weight, raw material includes 80-120 parts of cement, 102-142 parts of quartz sand, 0.4-1.2 parts of polycarboxylate water-reducer, 0.2-3.2 parts of aluminium powder, 0.1-0.8 parts of retarder, 0.1-0.6 parts of toughener, 3-8 parts of triethanolamine, 2-5 parts of dihydrate gypsum, 15-35 parts of polymeric additive, 0.2-0.8 parts of thickener, 0.08-0.6 parts of defoaming agent, achievees the effect that the early strength for effectively improving mending mortar.
Description
Technical field
The present invention relates to the field of building materials, in particular to a kind of early strong repairing mortar of polymer.
Background technique
With the development of urban construction, the diversification of building and communal facility and functionalization are maked rapid progress, engineers
To the service life of engineering material, more stringent requirements are proposed for maintenance repairing.Cement concrete is that current building and basis are set
The most basic building material such as apply, with the increase of the service life, it may appear that the damage such as breakage, cracking, frost heave, carbonization, with
The passage of time, these damages can extend to endothecium structure material, influence the service life on building and ground etc., thus right
It is very necessary that the concrete damaged, which carries out repairing,.
Currently, the kind of polymer-modified cement mortar patching material has acrylate, polyvinyl acetate and neoprene rubber
The emulsion modified cement mortar such as glue, but these materials have the characteristics that one it is common be that strength development is slower, for it is some have it is special
It is required that quick fix engineering and salvaging, working hour will be extended with these materials repairings, at the same to repairing also bring it is numerous
It is inconvenient.
It is very necessary therefore, it is necessary to develop a kind of patching material that can be used in rapid rush-repair engineering.
Summary of the invention
In view of the deficienciess of the prior art, reaching the object of the present invention is to provide a kind of early strong repairing mortar of polymer
Effectively improve the effect of the early strength of mending mortar.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of early strong repairing mortar of polymer, according to parts by weight, raw material include 80-120 parts of cement, 102-142 parts of quartz sand,
0.4-1.2 parts of polycarboxylate water-reducer, 0.2-3.2 parts of aluminium powder, 0.1-0.8 parts of retarder, 0.1-0.6 parts of toughener, triethanolamine
3-8 parts, 2-5 parts of dihydrate gypsum, 15-35 parts of polymeric additive, 0.2-0.8 parts of thickener, 0.08-0.6 parts of defoaming agent.
By using above-mentioned technical proposal, being used cooperatively for quartz sand and polycarboxylate water-reducer improves the degree of hydration of cement,
To improve the adhesive force of cement and water, and then the intensity of concrete is improved, while quartz sand has certain activity, to fill out
The pore in mortar has been filled, the porosity of mortar is reduced, has improved the overall performance of new and old mortar, has been allowed to more difficult broken
It is bad, to improve the service life of mortar after repairing.
Aluminium powder is used cooperatively as air entraining agent and defoaming agent, can effectively control the bubbles volume inside mortar, can be effective
Prevent mortar from occurring the phenomenon that bonding loosely due to drying shrinkage and between old concrete, while aluminium powder is as air entraining agent, with mortar
In hydroxide ion reaction generate hydrogen facilitate mortar self-compaction after bubble-break, to help to improve mortar
Early strength.
Being used cooperatively for triethanolamine and dihydrate gypsum, can prevent the aggregation of crushing process medium silt, control mortar
Setting time improves the mobility and compactness of mortar, effectively improves the early strength and anti-permeability performance of mortar.
The addition of polymeric additive can effectively improve the adhesive strength of mortar, guarantee new and old coagulation during repairing
The adhesive property of soil, prevents plastic cracking phenomenon occur between new-old concrete.
The present invention is further arranged to, the polymeric additive: the weight part ratio of thickener is 1:0.01-0.03.
By using above-mentioned technical proposal, polymeric additive: plasticizer: the weight part ratio of thickener is 1:0.01-
When 0.03, the adhesive strength of mortar and old concrete, while the addition of thickener can be effectively improved, so that mortar has centainly
Water retention property, prevent mortar from excreting water phenomenon occur in the engineering of construction, to improve the adhesion strength of mortar, help to mention
The early strength of high mortar.
The present invention is further arranged to, the aluminium powder: triethanolamine: the weight part ratio of dihydrate gypsum is 1:3.5-4.5:
1.5-2.3。
The present invention is further arranged to, and the retarder is using one in sodium citrate, sodium tartrate and calgon
Kind is a variety of.
The present invention is further arranged to, and the toughener is using in nanometer calcium carbonate, nano-titanium dioxide and steel fibre
It is one or more.
By using above-mentioned technical proposal, nanometer calcium carbonate, nano-titanium dioxide and steel fibre have the stream for improving mortar
Denaturation energy effectively improves the toughness of mortar, while there are also the effects of reinforcement, to effectively improve the early strength of mortar.
The present invention is further arranged to, and the cement uses the mixing of ordinary portland cement and quick hardening sulphoaluminate cement
Object, ordinary portland cement and quick hardening sulphoaluminate cement are equal in weight.
By using above-mentioned technical proposal, quick hardening sulphoaluminate cement condensation hardening block, thus effectively shorten setting time,
But since fast hard sulphur aluminic acid is fast along the rate of set of cement, hot tearing can be caused, therefore be added in quick hardening sulphoaluminate cement
After ordinary portland cement, setting time can not only be shortened, while also effectively improving the early strength of mortar.
The present invention is further arranged to, and the polymeric additive uses the mixing of polyisocyanates and cyanoacrylate
Object, wherein polyisocyanates: the weight part ratio of cyanoacrylate is 1:1.
By using above-mentioned technical proposal, the adhesion strength of polyisocyanates is high, can with the water adsorbed on mortar surface and
Surface hydrous oxide etc. chemically reacts, and effectively improves the initial intensity of mortar, and cyanoacrylate and thickener are matched
It closes and uses, enable to the curing time of mortar short, while also effectively improving the early strength of mortar.
The present invention is further arranged to, and the thickener uses cellulose ether.
The present invention is further arranged to, and the defoaming agent uses one or both of organosilicon, acrylate.
In conclusion the invention has the following advantages:
1, polymeric additive and triethanolamine, dihydrate gypsum are used cooperatively, and the early strength of mortar are effectively improved, so that sand
4 hours compression strength of slurry is between 42.21MPa-52.36MPa, and flexural strength is between 5.8-6.5, to effectively improve sand
The early strength of slurry；
2, by controlling the ratio of polymeric additive and cellulose ether, the shrinkage of mortar has been advanced optimized, sand is prevented
Slurry early-age shrinkage rate is excessively high and mortar is caused excreting water phenomenon occur, the evaporation of moisture is reduced, so that mortar has certain water conservation
Performance facilitates the reaction inside mortar between raw material, to help to improve the early strength of mortar.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment 1
A kind of early strong repairing mortar of polymer, according to parts by weight, raw material includes 40 parts of ordinary portland cement, fast hard sulphur aluminic acid
40 parts of salt cement, 102 parts of quartz sand, 1.2 parts of polycarboxylate water-reducer, 3.2 parts of aluminium powder, 0.1 part of retarder, 0.1 part of toughener, three
8 parts of ethanol amine, 2 parts of dihydrate gypsum, 15 parts of polymeric additive, 0.8 part of cellulose ether, 0.6 part of defoaming agent.
Wherein, retarder uses sodium citrate；
Toughener uses nanometer calcium carbonate；
Polymeric additive uses the mixture of polyisocyanates and cyanoacrylate, and polyisocyanates and alpha-cyanoacrylate
The parts by weight of ester are identical；
Defoaming agent uses organosilicon.
Embodiment 2
A kind of early strong repairing mortar of polymer, according to parts by weight, raw material includes 45 parts of ordinary portland cement, fast hard sulphur aluminic acid
45 parts of salt cement, 122 parts of quartz sand, 0.6 part of polycarboxylate water-reducer, 1 part of aluminium powder, 0.3 part of retarder, 0.3 part of toughener, three second
5 parts of hydramine, 3 parts of dihydrate gypsum, 20 parts of polymeric additive, 0.4 part of cellulose ether, 0.2 part of defoaming agent.
Wherein, retarder uses sodium tartrate；
Toughener uses nano-titanium dioxide；
Polymeric additive uses the mixture of polyisocyanates and cyanoacrylate, and polyisocyanates and alpha-cyanoacrylate
The parts by weight of ester are identical；
Defoaming agent uses organosilicon.
Embodiment 3
A kind of early strong repairing mortar of polymer, according to parts by weight, raw material includes 50 parts of ordinary portland cement, fast hard sulphur aluminic acid
50 parts of salt cement, 122 parts of quartz sand, 0.8 part of polycarboxylate water-reducer, 1.7 parts of aluminium powder, 0.5 part of retarder, 0.4 part of toughener, three
6 parts of ethanol amine, 4 parts of dihydrate gypsum, 27 parts of polymeric additive, 0.6 part of cellulose ether, 0.4 part of defoaming agent.
Wherein, retarder uses calgon；
Toughener uses steel fibre；
Polymeric additive uses the mixture of polyisocyanates and cyanoacrylate, and polyisocyanates and alpha-cyanoacrylate
The parts by weight of ester are identical；
Defoaming agent uses acrylate.
Embodiment 4
A kind of early strong repairing mortar of polymer, according to parts by weight, raw material includes 60 parts of ordinary portland cement, fast hard sulphur aluminic acid
60 parts of salt cement, 142 parts of quartz sand, 0.4 part of polycarboxylate water-reducer, 0.2 part of aluminium powder, 0.8 part of retarder, 0.6 part of toughener, three
3 parts of ethanol amine, 5 parts of dihydrate gypsum, 35 parts of polymeric additive, 0.2 part of cellulose ether, 0.08 part of defoaming agent.
Wherein, sodium citrate, sodium tartrate and the calgon of the parts by weight such as retarder use；
Nanometer calcium carbonate, nano-titanium dioxide and the steel fibre of the parts by weight such as toughener use；
Polymeric additive uses the mixture of polyisocyanates and cyanoacrylate, and polyisocyanates and alpha-cyanoacrylate
The parts by weight of ester are identical；
The organosilicon and acrylate of the parts by weight such as defoaming agent use.
Embodiment 5
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 25 parts of polymeric additive, cellulose ether
0.25 part, i.e. polymeric additive: the weight part ratio of cellulose ether is 1:0.01.
Embodiment 6
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 30 parts of polymeric additive, cellulose ether
0.6 part, i.e. polymeric additive: the weight part ratio of cellulose ether is 1:0.02.
Embodiment 7
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 25 parts of polymeric additive, cellulose ether
0.75 part, i.e. polymeric additive: the weight part ratio of cellulose ether is 1:0.03.
Embodiment 8
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 2 parts of aluminium powder, 7 parts of triethanolamine, two water stones
3 parts of cream, i.e. aluminium powder: triethanolamine: the weight part ratio of dihydrate gypsum is 1:3.5:1.5.
Embodiment 9
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 1.5 parts of aluminium powder, 6 parts of triethanolamine, two water
2.85 parts of gypsum, i.e. aluminium powder: triethanolamine: the weight part ratio of dihydrate gypsum is 1:4:1.9.
Embodiment 10
A kind of early strong repairing mortar of polymer, with embodiment 3 the difference is that, 1.2 parts of aluminium powder, 5.4 parts of triethanolamine, two
2.76 parts of water gypsum, i.e. aluminium powder: triethanolamine: the weight part ratio of dihydrate gypsum is 1:4.5:2.3.
Performance detection
The detection of adhesive strength and shrinking percentage is carried out to the mortar of embodiment 1-10 preparation, detection is according to JGJ/T 70-2009
" building mortar basic performance tests method standard " is tested, and anti-folding and compression strength are referring to GB/T 17671-1999 " cement
The cement mortar strength method of inspection (ISO method) " it is tested, testing result is as shown in table 1.
1 mortar performance testing result of table
As known from Table 1:
From in embodiment 1-10 as can be seen that embodiment 1-10 in 4 hours compression strength 42.21MPa-52.36MPa it
Between, flexural strength is between 5.8-6.5, it can be seen that, the formula in the present invention can effectively improve the early strength of mortar, and
1 day compression strength of ordinary mortar is 29MPa, and compared to ordinary mortar, the repairing mortar compression strength in the present invention is obviously mentioned
It is high；
Embodiment 3,5-7 can be seen that the properties in embodiment 5-7 and increase compared to embodiment 3, but pressure resistance
Difference in degree, flexural strength and adhesive strength and embodiment 3 is not very big, the shrinking percentage and reality of mortar in embodiment 5-7
The shrinking percentage difference applied in example 3 is bigger, illustrates that the early-age shrinkage rate of mortar can be effectively reduced in the proportion in embodiment 5-7, mentions
The water holding capacity of high mortar, so that can sufficiently be reacted inside mortar, to improve the intensity of mortar indirectly；
Embodiment 3,8-10 can be seen that compression strength, flexural strength and adhesion strength in embodiment 8-10 compared to reality
It applies example 3 to increase, illustrates the proportion in embodiment 8-10 so that mortar has superior compression strength and flexural strength.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of early strong repairing mortar of polymer, it is characterised in that: according to parts by weight, raw material includes 80-120 parts of cement, stone
102-142 parts of sand, 0.4-1.2 parts of polycarboxylate water-reducer, 0.2-3.2 parts of aluminium powder, 0.1-0.8 parts of retarder, toughener 0.1-
0.6 part, 3-8 parts of triethanolamine, 2-5 parts of dihydrate gypsum, 15-35 parts of polymeric additive, 0.2-0.8 parts of thickener, defoaming agent
0.08-0.6 parts.
2. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the polymeric additive:
The weight part ratio of thickener is 1:0.01-0.03.
3. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the aluminium powder: triethanolamine:
The weight part ratio of dihydrate gypsum is 1:3.5-4.5:1.5-2.3.
4. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the retarder uses lemon
One of sour sodium, sodium tartrate and calgon are a variety of.
5. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the toughener uses nanometer
One of calcium carbonate, nano-titanium dioxide and steel fibre are a variety of.
6. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the cement uses ordinary silicon
The weight phase of the mixture of acid salt cement and quick hardening sulphoaluminate cement, ordinary portland cement and quick hardening sulphoaluminate cement
Deng.
7. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the polymeric additive is adopted
With the mixture of polyisocyanates and cyanoacrylate, wherein polyisocyanates: the weight part ratio of cyanoacrylate is 1:
1。
8. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the thickener uses fiber
Plain ether.
9. the early strong repairing mortar of a kind of polymer according to claim 1, it is characterised in that: the defoaming agent is using organic
One or both of silicon, acrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760682.9A CN110451898A (en) | 2019-08-16 | 2019-08-16 | A kind of early strong repairing mortar of polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760682.9A CN110451898A (en) | 2019-08-16 | 2019-08-16 | A kind of early strong repairing mortar of polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110451898A true CN110451898A (en) | 2019-11-15 |
Family
ID=68487238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760682.9A Pending CN110451898A (en) | 2019-08-16 | 2019-08-16 | A kind of early strong repairing mortar of polymer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110451898A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724952A (en) * | 2020-06-28 | 2020-09-29 | 三瑞科技(江西)有限公司 | Cementing process of glass insulator |
| CN111724951A (en) * | 2020-06-28 | 2020-09-29 | 三瑞科技(江西)有限公司 | Production process of toughened glass insulator |
| CN114213042A (en) * | 2021-12-27 | 2022-03-22 | 南京科工煤炭科学技术研究有限公司 | Double-fast sulphoaluminate cement for fast setting and fast strengthening in severe cold environment and preparation method and use method thereof |
| CN115974502A (en) * | 2022-12-26 | 2023-04-18 | 厦门天润锦龙建材有限公司 | Waterproof and impervious repair mortar and preparation method thereof |
| CN116041017A (en) * | 2022-12-26 | 2023-05-02 | 中建西部建设新材料科技有限公司 | High-water-resistance phosphogypsum self-leveling mortar and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830684A (en) * | 2010-05-26 | 2010-09-15 | 江苏博特新材料有限公司 | Super early strength polymer rapid-patching motar material |
| KR101489653B1 (en) * | 2014-10-07 | 2015-02-04 | 주식회사 이레하이테크이앤씨 | polymer modified waterproof mortar composite having fast hardening and repairing method of road using the composite |
| CN109095869A (en) * | 2018-11-08 | 2018-12-28 | 六安远大住宅工业有限公司 | A kind of fast mending mortar and its application firmly |
-
2019
- 2019-08-16 CN CN201910760682.9A patent/CN110451898A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830684A (en) * | 2010-05-26 | 2010-09-15 | 江苏博特新材料有限公司 | Super early strength polymer rapid-patching motar material |
| KR101489653B1 (en) * | 2014-10-07 | 2015-02-04 | 주식회사 이레하이테크이앤씨 | polymer modified waterproof mortar composite having fast hardening and repairing method of road using the composite |
| CN109095869A (en) * | 2018-11-08 | 2018-12-28 | 六安远大住宅工业有限公司 | A kind of fast mending mortar and its application firmly |
Non-Patent Citations (8)
| Title |
|---|
| RAFAEL ROBAYO-SALAZAR: "《Alkali-activated binary mortar based on natural volcanic pozzolan for repair applications》", 《JOURNAL OF BUILDING ENGINEERING》 * |
| 于锦: "《硫铝酸盐对硅酸盐水泥水化及性能的影响》", 《混凝土》 * |
| 刘秋美: "《土木工程材料》", 31 January 2019, 西南交通大学出版社 * |
| 张仁水: "《建筑工程材料》", 31 January 2000, 中国矿业大学出版社 * |
| 徐有恒: "《煤炭工业材料学》", 30 June 1990, 中国矿业大学出版社 * |
| 梁乃兴: "《现代路面与材料》", 31 August 2003, 人民交通出版社 * |
| 王异: "《混凝土外加技术手册》", 31 December 1983, 黑龙江省建筑情报中心站 * |
| 王新民: "《新型建筑干拌砂浆指南》", 31 December 2004, 中国建筑工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724952A (en) * | 2020-06-28 | 2020-09-29 | 三瑞科技(江西)有限公司 | Cementing process of glass insulator |
| CN111724951A (en) * | 2020-06-28 | 2020-09-29 | 三瑞科技(江西)有限公司 | Production process of toughened glass insulator |
| CN111724951B (en) * | 2020-06-28 | 2021-12-03 | 三瑞科技(江西)有限公司 | Production process of toughened glass insulator |
| CN111724952B (en) * | 2020-06-28 | 2022-02-18 | 三瑞科技(江西)有限公司 | Cementing process of glass insulator |
| CN114213042A (en) * | 2021-12-27 | 2022-03-22 | 南京科工煤炭科学技术研究有限公司 | Double-fast sulphoaluminate cement for fast setting and fast strengthening in severe cold environment and preparation method and use method thereof |
| CN114213042B (en) * | 2021-12-27 | 2023-02-17 | 南京科工煤炭科学技术研究有限公司 | Double-fast sulphoaluminate cement for fast setting and fast strengthening in severe cold environment and preparation method and use method thereof |
| CN115974502A (en) * | 2022-12-26 | 2023-04-18 | 厦门天润锦龙建材有限公司 | Waterproof and impervious repair mortar and preparation method thereof |
| CN116041017A (en) * | 2022-12-26 | 2023-05-02 | 中建西部建设新材料科技有限公司 | High-water-resistance phosphogypsum self-leveling mortar and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110451898A (en) | A kind of early strong repairing mortar of polymer | |
| KR101608018B1 (en) | Method of repairing and protecting surface of concrete structure | |
| CA2944599C (en) | Concrete materials with modified rheology, methods of making, and uses thereof | |
| Qian et al. | Self-healing behavior of strain hardening cementitious composites incorporating local waste materials | |
| KR101608015B1 (en) | Method of repairing and reinforcing cross section of concrete structure using fast hardening mortar | |
| KR101665945B1 (en) | Mortar composition of ultra rapid hardening type for repairing and reinforcing with enhanced freezing and thawing durability, salt damage resistance and crack resistance, and method of repairing and reinforcing deteriorated part of road, runway and L-type side gutter using the same | |
| CN105523745B (en) | A kind of bridge expanssion joint fast repairing material | |
| CN106007550B (en) | A kind of big fluidised form ungauged regions anti-crack concrete grouting material | |
| KR101422206B1 (en) | High-performance flowing cement mortar composition and surface protection method of concrete structures using the composite | |
| CN107935516B (en) | Micro-expansion grouting material for grouting with mold at arch crown of tunnel lining | |
| CN102643059B (en) | Bonding treating agent for concrete inorganic interface | |
| KR101663690B1 (en) | Mortar composition for repairing and reinforcing road gutter and small-damaged part of road, and method of repairing and reinforcing road gutter and small-damaged part of road using the same | |
| CN108328977B (en) | Concrete repairing material | |
| CN110357545B (en) | Mortar for quickly repairing local damage of concrete base layer and preparation method thereof | |
| CN104261749A (en) | Cement based material with strong expanding performance and applications thereof | |
| KR101621199B1 (en) | Mortar composition for repairing and reinforcing concrete structure of road gutter and small-damaged part of road, and method of repairing and reinforcing concrete structure of road gutter and small-damaged part of road using the same | |
| CN104276803B (en) | A kind of high-strength perfusion mortar material of ungauged regions and preparation method thereof | |
| CN103265242A (en) | Mineral polymer grouting material and method for strengthening grotto surrounding rock fractures by using same | |
| CN101786837A (en) | Permeation type waterproof material for road engineering cement concrete structure | |
| JP2019163196A (en) | Geopolymer for concrete crack repair or cross section restoration | |
| CN110228984A (en) | A kind of road rapid repair material and preparation method thereof | |
| US10882788B2 (en) | Cement slurries, cured cement and methods of making and use of these | |
| Han et al. | Experimental study on the properties of a polymer-modified superfine cementitious composite material for waterproofing and plugging | |
| CN101545320B (en) | Method for compensation and anti-permeation of temperature difference cracks of ground concrete high-temperature pool | |
| CN106810162A (en) | A kind of binding paste of wet-laid process laying self-adhesive coiled material and preparation method thereof |
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: 20191115 |
|
| RJ01 | Rejection of invention patent application after publication |