CN107285673B - Cement-based concrete waterproof coating and preparation and use methods thereof - Google Patents
Cement-based concrete waterproof coating and preparation and use methods thereof Download PDFInfo
- Publication number
- CN107285673B CN107285673B CN201710557816.8A CN201710557816A CN107285673B CN 107285673 B CN107285673 B CN 107285673B CN 201710557816 A CN201710557816 A CN 201710557816A CN 107285673 B CN107285673 B CN 107285673B
- Authority
- CN
- China
- Prior art keywords
- parts
- cement
- moisture content
- sodium
- sand
- 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.)
- Active
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/644—Damp-proof courses
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
Abstract
The invention discloses a cement-based concrete waterproof coating, which has the technical scheme that the cement-based concrete waterproof coating comprises the following substances in parts by weight: the invention aims to provide a cement-based concrete waterproof coating which is healthy, environment-friendly and low in cost, and has the advantages of short setting time of a film-forming substance, good weather resistance and difficult peeling.
Description
Technical Field
The invention relates to the field of building materials, in particular to a cement-based concrete waterproof coating and a preparation method and a use method thereof.
Background
Concrete is an engineering composite material in which aggregate is cemented into a whole by a cementing material, and is widely used in the field of building materials. After the concrete is hardened, a large number of pore structures are left due to evaporation of water, under the erosion action of media such as carbon dioxide, water, chloride ions and sulfate, the concrete cannot be corroded by the influence of external factors, the concrete can be damaged at an accelerated speed, and the service life of the concrete can be greatly shortened. Therefore, the engineering usually applies waterproof paint on the concrete surface to play a role in protection, the existing waterproof paint is mostly a compound taking cement as a base material, the performance of the existing waterproof paint depends on the variety of chemical admixture, the compatibility is improper, side effects are inevitably generated, and the efficiency of the existing waterproof paint is mainly dependent on the wear resistance of a coating, the surface treatment of a concrete structure, the setting time of a film forming substance and the capability of compound components to permeate into concrete pores.
At present, a lot of researches on concrete structure waterproof coatings are carried out on the market, the researches mainly comprise two main types, one is a polyurethane waterproof coating, and the waterproof coating is usually diluted by organic solvents containing toluene, xylene and the like during application and has strong toxicity; another type is emulsion, for example, a silane modified acrylic emulsion with room temperature crosslinking characteristic obtained by soap-free emulsion polymerization disclosed in patent No. 201210480382.3, which is expensive in large-area application, and both types of waterproof coatings have organic polymer paint film as main component of chemical admixture, long solidification time of film-forming material, poor weather resistance, and often the disadvantage of interfacial incompatibility in compound formula, and generally, the emulsion will crack and peel in 2 to 3 years with the change of temperature and expansion and contraction.
In conclusion, it is a technical problem to be solved by those skilled in the art how to provide a concrete waterproof coating material which is healthy, environment-friendly, low in cost, short in solidification time of a film forming material, good in weather resistance, strong in adhesive force and not easy to peel off.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the cement-based concrete waterproof coating which is healthy, environment-friendly, low in cost, short in solidification time of a film forming substance, good in weather resistance and not easy to peel.
In order to achieve the purpose, the invention provides a cement-based concrete waterproof coating, which comprises the following substances in parts by weight: 0.9-1.8 parts of sodium nitrate, 2-3 parts of sodium carbonate, 2.5-3.6 parts of sodium sulfate, 0.05-0.15 part of calcium chloride, 0.75-1.15 parts of calcium carbide, 0.8-1 part of lime, 36-40 parts of cement, 39-49 parts of sand and 8-10 parts of water.
Preferably, the cement-based concrete waterproof coating comprises the following substances in parts by weight: 1.4 parts of sodium nitrate, 2.5 parts of sodium carbonate, 3 parts of sodium sulfate, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, 44 parts of sand and 9 parts of water.
In order to achieve the purpose, the invention also provides a preparation method of the cement-based concrete waterproof coating, which is characterized by comprising the following steps of:
(1) preparing sodium nitrate, sodium carbonate, sodium sulfate and calcium chloride, placing the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride in an oven for drying treatment, and detecting moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to control the moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to be within a range of 3% -6%;
(2) preparing calcium carbide, namely grinding calcium carbide particles, crushing the calcium carbide particles to the particle size of 0.16-0.30mm, putting the crushed calcium carbide particles into an oven for drying, and detecting moisture content to control the moisture content of the calcium carbide to be within the range of 6% -8%;
(3) preparing lime, namely grinding the lime into particles with the particle size of 0.16-0.20mm, and then drying the particles in an electric furnace at the temperature of 1000-1500 ℃, wherein the drying time is 4 hours, and the moisture content is detected to control the moisture content of the lime within the range of 2-3%;
(4) preparing sand, namely grinding the sand to 0.16-0.20mm, then placing the ground sand in an oven at the temperature of 150-200 ℃ for drying treatment, wherein the drying time is 4 hours, and detecting the moisture content to control the moisture content of the sand to be 3%;
(5) preparing a composite dry powder material, namely mixing sodium nitrate, sodium carbonate, sodium sulfate, calcium chloride, calcium carbide, lime, cement and sand in parts by weight, and then uniformly stirring;
(6) and (3) adding water into the dry powder to prepare slurry, and adding water into the composite dry powder obtained in the step (5) in parts by weight and stirring for 15 minutes.
In order to achieve the purpose, the invention also provides a using method of the cement-based concrete waterproof coating, which is characterized by comprising the following steps:
(1) cleaning the surface of the concrete structure to ensure that the quantization coefficient reaches 1.15-1.36;
(2) when in engineering application, the dry powder is added with water to prepare slurry which is uniformly applied on the surface of a concrete structure.
Compared with the traditional concrete waterproof coating, the invention has the following advantages:
(1) the components of the invention have specific effects, wherein, sodium nitrate (NaNO)3) Can be used for promoting hardening and inhibiting the corrosion of reinforcement in concrete, and sodium carbonate (Na)2CO3) Sodium sulfate (Na) for plasticizing, promoting hardening and improving strength of concrete2SO4) As a plasticizer, the mortar can be uniformly mixed in a composite system for chemical reaction, flexibility is endowed, cracking is prevented, impermeability is enhanced, and calcium chloride (CaCl)2) As a strong electrolyte, it can promote cement hydration reaction, raise freezing resistance and raise calcium carbide (CaC)2) The composite powder material can be used for removing gas of a composite protective layer and enhancing the compactness of the surface of the coating, lime (CaO) plays a role in dehumidifying the powder material in the preparation stage of the composite powder material, cement is a main agent of the composite coating, and sand is a filling aggregate of the composite protective layer;
(2) the amount of each component of the present invention is strictly controlled by the displacement chemistry and the intermediate chemistry to avoid adverse side effects on the coating, wherein sodium nitrate (NaNO) is used3) The doping amount of the composition is 0.9 to 1.8 percent by weight, and the dosage is avoidedToo low to chemically react with calcium hydroxide, too high to cause rapid chemical reaction, and unfavorable to synchronous chemical reaction with other chemical components, sodium carbonate (Na)2CO3) The mixing amount of the sodium sulfate is 2 to 3 weight percent, the phenomenon that too low dosage does not have effect on the gel of the set cement, and too high dosage causes too much colloid to generate is avoided, the formation of the set cement is delayed, and the sodium sulfate (Na) is used2SO4) The mixing amount of the cement paste is 2.5 to 3.6 percent by weight, the cement paste does not work when the dosage is too low, the cement paste is delayed to solidify when the dosage is too high, so that a protective layer is loosened, and calcium chloride (CaCl)2) The doping amount of the coating is 0.05-0.15 percent by weight, the phenomenon that the dosage is too low and does not work is avoided, the doping amount is more than 0.15 percent, and the excessive dosage causes serious alkali precipitation on the surface of the coating, like fish scale, and calcium carbide (CaC)2) The mixing amount of the lime (CaO) is 0.75-1.15 wt%, the phenomenon that the catalytic reaction effect is avoided when the using amount is too low, the protective layer can be dehydrated and cracked due to the aggravation of exothermic reaction when the using amount is too high, the mixing amount of the lime (CaO) is 0.8-1 wt%, the phenomenon that the using amount is too low and does not work is avoided, the lime particles sink in the mortar when the using amount is too high, the mixing amount of the cement is 36-40 wt%, the phenomenon that the strength of the protective layer is insufficient when the using amount is too low, the protective layer is shrunk and cracked when the using amount is too high, the mixing amount of the sand is 39-49 wt%, the phenomenon that the coating is shrunk and cracked due to the change of temperature when the using amount is too low;
(3) the particle size of the calcium carbide is 0.16-0.30mm, so that the situation that the particle size is too small to meet the expected hydrate decomposition force and the temperature required by hydration reaction can not be met can be avoided, the calcium carbide is difficult to uniformly distribute in the compound if the particle size is too large, the consolidation reaction of the coating is also not uniform after the slurry is prepared, the particle size of the lime is 0.16-0.20mm, the complete reaction of the lime and water can be ensured, the situation that the activity is reduced due to the too small particle size, the uniform distribution of the lime in the compound is influenced due to the too large particle size is avoided, the particle size of the sand is 0.16-0.20mm, the cleanliness of the sand can be ensured, and the coating quality is;
(4) the moisture content of each component of the invention has strict requirements, and further the quality of the coating is improved, wherein, the moisture content of sodium nitrate, sodium carbonate, sodium sulfate and calcium chloride is controlled within the range of 3-6%, the moisture content is prevented from being too low and contacting with air, and then naturally absorbing moisture to reach a uniform level, the moisture content can react with water to passivate and lose activity when being too high, the moisture content of calcium carbide is controlled within the range of 6-8%, the moisture content is prevented from being too low, the critical quality of a hydrated group does not reach the standard, the compound loses the basic performance, and the moisture content is too high, so the calcium carbide can react with water and lose activity;
(5) the lime drying is carried out in an electric furnace at 1000 ℃ to 1500 ℃, and by such high temperature control, on the one hand, moisture can be removed; on the other hand, the lime calcination device has the calcination effect, so that the lime is completely calcined again;
(6) the film forming material has short solidification time, no volatility and is more environment-friendly and healthy;
(7) the invention has lower cost and is suitable for large-area application.
Detailed Description
Example 1:
the cement-based concrete waterproof coating comprises the following substances in parts by weight: 1.4 parts of sodium nitrate, 2.5 parts of sodium carbonate, 3 parts of sodium sulfate, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, 44 parts of sand and 9 parts of water.
A preparation method of a cement-based concrete waterproof coating comprises the following steps:
(1) preparing sodium nitrate, sodium carbonate, sodium sulfate and calcium chloride, placing the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride in an oven for drying treatment, and detecting the moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to control the moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to be in a range of 4.5%;
(2) preparing calcium carbide, namely grinding calcium carbide particles, crushing the calcium carbide particles to the particle size of 0.2mm, putting the crushed calcium carbide particles into an oven for drying, and detecting moisture content to control the moisture content of the calcium carbide to be 7%;
(3) preparing lime, namely grinding the lime into particles with the particle size of 0.18mm, then placing the particles in an electric furnace at 1200 ℃ for drying, wherein the drying time is 4 hours, and detecting the moisture content to control the moisture content of the lime to be 2.5%;
(4) preparing sand, namely grinding the sand to 0.18mm, drying the ground sand in an oven at 170 ℃, wherein the drying time is 4 hours, and detecting the moisture content to control the moisture content of the sand to be 3%;
(5) preparing a composite dry powder material, namely mixing sodium nitrate, sodium carbonate, sodium sulfate, calcium chloride, calcium carbide, lime, cement and sand in parts by weight, and then uniformly stirring;
(6) and (3) adding water into the dry powder to prepare slurry, and adding water into the composite dry powder obtained in the step (5) in parts by weight and stirring for 15 minutes.
The application method of the cement-based concrete waterproof coating comprises the following steps:
(1) cleaning the surface of the concrete structure to enable the quantization coefficient to reach 1.2;
(2) when in engineering application, the dry powder is added with water to prepare slurry which is uniformly applied on the surface of a concrete structure.
Example 2
In the embodiment, the preparation and use methods of the cement-based concrete waterproof coating are the same, wherein the technical parameters are as follows:
the cement-based concrete waterproof coating comprises the following substances in parts by weight: 0.9 part of sodium nitrate, 2 parts of sodium carbonate, 2.5 parts of sodium sulfate, 0.05 part of calcium chloride, 0.75 part of calcium carbide, 0.8 part of lime, 36 parts of cement, 39 parts of sand and 8 parts of water.
Comparative example:
a commercial product Aksu concrete mortar coating waterproof coating is an Intercrete4851 model and is uniformly applied to the surface of a concrete structure.
And (3) performance testing:
the coating is determined according to a method in a product standard JG/T335-2011 film-forming coating for protecting a concrete structure in the building industry, wherein the coating does not fall off, crack or bubble for more than 200 times of freeze-thaw cycle, the frost resistance meets the national standard, the foaming, peeling and pulverization grades are 0 at least after artificial accelerated aging for 1000h, the weather resistance meets the national standard, the force required by adhesion damage between the waterproof coating and the concrete is determined to be more than 1.5MPa through a pull-open method, the adhesion force of the coating meets the national standard, the carbonization depth ratio is the percentage of the carbonization depth after the concrete protective coating is coated to the carbonization depth after the concrete protective coating is not coated, the carbonization depth is less than 20%, the smaller numerical value indicates that the carbonization resistance is better.
The test result shows that the cement-based concrete waterproof coating has the advantages of obviously better performance than a comparative example, good weather resistance, stronger capability of penetrating into concrete pores and difficult peeling.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (2)
1. The cement-based concrete waterproof coating is characterized by comprising the following substances in parts by weight: 1.4 parts of sodium nitrate, 2.5 parts of sodium carbonate, 3 parts of sodium sulfate, 0.1 part of calcium chloride, 0.9 part of calcium carbide, 0.9 part of lime, 38.2 parts of cement, 44 parts of sand and 9 parts of water.
2. A method for preparing the cement-based concrete waterproof coating material according to claim 1, which is characterized by comprising the following steps:
(1) preparing sodium nitrate, sodium carbonate, sodium sulfate and calcium chloride, placing the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride in an oven for drying treatment, and detecting moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to control the moisture content of the sodium nitrate, the sodium carbonate, the sodium sulfate and the calcium chloride to be within a range of 3% -6%;
(2) preparing calcium carbide, namely grinding calcium carbide particles, crushing the calcium carbide particles to the particle size of 0.16-0.30mm, putting the crushed calcium carbide particles into an oven for drying, and detecting moisture content to control the moisture content of the calcium carbide to be within the range of 6% -8%;
(3) preparing lime, namely grinding the lime into particles with the particle size of 0.16-0.20mm, and then drying the particles in an electric furnace at the temperature of 1000-1500 ℃, wherein the drying time is 4 hours, and the moisture content is detected to control the moisture content of the lime within the range of 2-3%;
(4) preparing sand, namely grinding the sand to 0.16-0.20mm, then placing the ground sand in an oven at the temperature of 150-200 ℃ for drying treatment, wherein the drying time is 4 hours, and detecting the moisture content to control the moisture content of the sand to be 3%;
(5) preparing a composite dry powder material, namely mixing sodium nitrate, sodium carbonate, sodium sulfate, calcium chloride, calcium carbide, lime, cement and sand in parts by weight, and then uniformly stirring;
(6) and (3) adding water into the dry powder to prepare slurry, and adding water into the composite dry powder obtained in the step (5) in parts by weight and stirring for 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557816.8A CN107285673B (en) | 2017-07-10 | 2017-07-10 | Cement-based concrete waterproof coating and preparation and use methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557816.8A CN107285673B (en) | 2017-07-10 | 2017-07-10 | Cement-based concrete waterproof coating and preparation and use methods thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107285673A CN107285673A (en) | 2017-10-24 |
| CN107285673B true CN107285673B (en) | 2019-12-24 |
Family
ID=60101476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557816.8A Active CN107285673B (en) | 2017-07-10 | 2017-07-10 | Cement-based concrete waterproof coating and preparation and use methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107285673B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739613A (en) * | 2017-11-16 | 2018-02-27 | 中国铁路设计集团有限公司 | A kind of soil composite modifying agent of frost heaving resistant |
| CN109441023A (en) * | 2018-11-06 | 2019-03-08 | 河南金拇指防水科技股份有限公司 | A kind of method that water-proof acrylic acid paint is laid with |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6960253B2 (en) * | 2003-10-30 | 2005-11-01 | Kretekote, Llc | Method of forming hydraulic cement protective coatings |
| CN102464476A (en) * | 2010-11-16 | 2012-05-23 | 上海高科建筑防水涂料厂 | Cement-based permeable crystallization type waterproof coating |
| CN103387358A (en) * | 2013-08-16 | 2013-11-13 | 张国宏 | Waterproof coating and preparation method thereof |
| CN103694830B (en) * | 2013-12-06 | 2017-05-24 | 成都嘉新科技集团有限公司 | Polymer cement waterproof coating |
| CN104961408B (en) * | 2015-06-18 | 2017-06-23 | 郑州赛诺建材有限公司 | External wall waterproof material |
-
2017
- 2017-07-10 CN CN201710557816.8A patent/CN107285673B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107285673A (en) | 2017-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103964893B (en) | A kind of early-strengthening wearable type curing compound and its production and use | |
| CN102177103B (en) | Hydraulic binding agent and binding agent matrixes produced thereof | |
| KR101672713B1 (en) | A high early strength cement concrete composition having the improved self-healing, durability and strength for road pavement and a repairing method of concrete structure using the same | |
| KR100816891B1 (en) | Mineral micro putty and water soluble ceramic paint for improving porous structure of concrete surface and method coating concrete surface with mineral micro putty and water soluble ceramic paint | |
| KR101617067B1 (en) | Exterior insulation mortar for cold weather and construction method of exterior insulation system using the same | |
| CN111333403B (en) | Preparation method and application of magnesium phosphate-based cement concrete coating protective material | |
| CN111875321B (en) | Underwater repair material based on seawater and coral sand and preparation method thereof | |
| CN101993229A (en) | Ultrahigh strength polymer mortar | |
| CN104278698A (en) | Alkali-stimulated inorganic polymer waterproof method | |
| KR101964235B1 (en) | Stabilizer for wettable floor materrial, manufacturing method thereof, and construction method using it | |
| CN111116229B (en) | Color-adjustable shrinkage-free air hardening crack healant and preparation method and application thereof | |
| KR101844193B1 (en) | Mortar composition for repairing and reinforcing concrete structure, and method of repairing and reinforcing concrete structure using the same | |
| CN105110732A (en) | Polymer cement RG waterproof coating and preparation method therefor | |
| KR101428995B1 (en) | Surface Protector with Network Structure and Repairing Polymer Mortar Composite with Light Weight Aggregate for Concrete Structure Repairing System | |
| CN110372303A (en) | Anticorrosion mortar, method for preparing mortar and construction method are frozen in a kind of salt resistance | |
| KR101798953B1 (en) | Mortar composition for repairing and reinforcing concrete structure with superior property of waterproof and rust prevention, and method of repairing and reinforcing concrete structure using the same | |
| CN107285673B (en) | Cement-based concrete waterproof coating and preparation and use methods thereof | |
| CN104403400A (en) | Anti-cracking putty and using method thereof | |
| CN110668762A (en) | Cement-based waterborne epoxy mortar and preparation method and application thereof | |
| KR101551842B1 (en) | Method for Repairing Deteriorate Parts in Concrete Using Mortar | |
| KR102184164B1 (en) | Concrete section recovery and concrete surface repair method using inorganic sodium silicate which can heal self | |
| CN111501850A (en) | Waterproof and moistureproof concrete construction process | |
| KR102124813B1 (en) | Repair-reinforcement mortar of concrete structure and repair-reinforcement method using thereof | |
| CN104944821A (en) | Inorganic-salt water-proof agent | |
| KR100910129B1 (en) | Inorganic polymer acid resistant mortar for concrete repair included liquid amorphous silicate hydrolysis agent and concrete repair method using the mortar |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |