CN112408851A - Anti-radiation semi-permanent nano-penetration crystallization sealing compacting agent and use method thereof - Google Patents
Anti-radiation semi-permanent nano-penetration crystallization sealing compacting agent and use method thereof Download PDFInfo
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- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5024—Silicates
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
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Abstract
The invention discloses a radiation-resistant semi-permanent nano-penetration crystalline sealing compacting agent and a use method thereof, the penetration crystalline sealing compacting agent is a powdery waterproof coating containing active compounds, under the condition that water exists, the active compounds penetrate into concrete to form a large amount of water-insoluble long-chain crystals in pores and cracks, and capillary channels are filled, so that the concrete is compact and waterproof, and the sealing compacting agent is suitable for the waterproofing and repairing of the inner and outer surfaces or bodies of various concrete structures needing permanent waterproofing. The anti-radiation semi-permanent nano-penetration crystallization sealing compacting agent and the use method thereof have the advantages of high wear resistance, impact resistance, capability of reducing dust in places, convenience in construction, low manufacturing cost, no need of special maintenance, simplicity in construction, wide application range, good waterproof and anti-permeability effects, ventilation function, good aging resistance, capability of automatically repairing cracks and defects and lasting waterproof effect, and can be constructed on the upstream surface and the downstream surface and on a wet base surface.
Description
Technical Field
The invention relates to the technical field of densification agents, in particular to a radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent and a using method thereof.
Background
Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the cement concrete, also called as common concrete, is widely applied to civil engineering, and the concrete needs to be compacted by a compacting agent and a cement-based permeable crystallization type sealing compacting agent, the master batch is officially put into use in China and has a history of more than ten years, because the import channel of the master batch of the product is complicated and the market price of the product is expensive, manufacturers usually focus on the key target of developing the market of the product consciously on large municipal engineering, such as subways, tunnels, culverts, reservoirs and the like, the cement-based permeable crystallization type sealing compacting agent can be applied to underground engineering of large projects such as subways and the like, and is not suitable for civil buildings. In fact, with the annual decline of the prices of imported raw materials of the products, with the mental balance of manufacturers for pursuing the profits of the products, and with the understanding support of the national standard implementation and design departments, the application range of the cement-based permeable crystalline waterproof material is wider and wider.
Concrete sealing and curing agents in the prior art have many drawbacks, such as: the sealing and compacting agent has the advantages of weak permeability, insufficient wear resistance, slow strength improvement, short service life and the like, and can thoroughly solve the problems of the traditional concrete sealing and solidifying agent in treating complex concrete ground, so that the anti-radiation semipermanent nano-penetration crystallization sealing and compacting agent and the use method thereof are provided for solving the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a radiation-resistant semi-permanent nano-penetration crystalline sealing densification agent is a powdery waterproof coating containing active compounds, under the condition that water exists, the active compounds penetrate into the concrete to form a large amount of water-insoluble long-chain crystals in pores and cracks, and capillary channels are filled, so that the concrete is densified and waterproofed, and the sealing densification agent is suitable for waterproofing and repairing the inner and outer surfaces or bodies of various concrete structures needing permanent waterproofing, and the raw materials comprise the following components in percentage: 5-10% of an expanding agent, 5-12% of a mineral additive, 20-35% of a water reducing agent, 0.2-1% of a retarder, 1-15% of a crystallization precipitator, 1-12% of a complexing agent, 1-13% of a calcium ion compensating agent, 0.1-1% of a crystal growth agent, 1-5% of an anti-flash rust agent, 1-5% of methyl potassium silicate, 1-5% of lithium carbonate, 2-5% of sodium silicate, 2-5% of lithium silicate and 1-3% of graphene.
Further optimizing the technical scheme, when the anti-radiation semi-permanent nano-penetration crystallization sealing densification agent is prepared, the cement, the expanding agent, the quartz sand, the mineral additive, the water reducing agent, the retarder, the crystallization precipitator, the complexing agent, the calcium ion compensation agent, the crystal growth agent, the flash rust resisting agent, the potassium methyl silicate, the lithium carbonate, the sodium silicate and the lithium silicate are doped into concrete.
Further optimizes the technical scheme that the anti-radiation semi-permanent nano-penetration crystallization sealing densification agent is a liquid waterproof material containing active compounds.
Further optimizing the technical scheme, the penetration depth of the anti-radiation semi-permanent nano-penetration crystalline sealing densification agent is 50 MM.
Further optimizing the technical scheme, the anti-radiation semi-permanent nano-osmotic crystallization sealing densification agent is suitable for concrete floors needing wear resistance and dust reduction, such as industrial factory buildings, warehouses, heavy-load machinery plants, automobile maintenance plants, squares, airports, parking lots, wharfs, roads and bridges, building outer walls, kitchen and bathroom waterproofing and roof maintenance.
A use method of a radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent comprises the following steps:
s1, surface treatment: removing alkali, dust, paint, surface loose layer and other foreign matters, wherein the surface is slightly rough;
s2, wet concrete: thoroughly wetting the surface of the concrete by using a clean solution to soak the concrete, so as to ensure the formation of crystals;
s3, preparation of coating mortar: mixing the powder with water to prepare uniform slurry;
s4, brushing: coating with a scraper or special spraying equipment, wherein the coating is brushed twice, after the first coating is basically hardened, the second coating is made, and the reference dosage per square meter is as follows: 1-1.2kg, which is determined according to the conditions of construction parts and base surfaces;
s5, maintenance: the coating is maintained fully, the coating is covered with wet coarse linen in time after being painted, the coating is ensured to be wet, and after the coating is hardened, the coating can be maintained by spraying and covered with the coarse linen.
Further optimizing the technical scheme, in the step S3, when the coating mortar is prepared, the powder material and the water are mixed according to the weight ratio of 1: 0.35 to prepare uniform slurry.
In step S5, the coarse linen cloth is used for covering during curing, and the curing is performed for 72 hours.
The technical scheme is further optimized, and the product can also be used as a waterproof agent to be mixed into mortar and concrete by an external mixing method, wherein the mixing amount is 2-3% of the weight of cement.
The technical scheme is further optimized, and for newly poured concrete, dry powder can be directly scattered on the surface of a base for water prevention due to high water content, water test inspection can be carried out only after the coating is completely dried, and water can be stored after the coating is dried for 7-10 days in a climatic environment with humidity less than 80%.
Compared with the prior art, the invention provides a radiation-resistant semipermanent nano-penetration crystallization sealing compacting agent and a using method thereof, and the radiation-resistant semipermanent nano-penetration crystallization sealing compacting agent has the following beneficial effects:
1. has high wear resistance and impact resistance, can reduce dust in places, is convenient to construct, has low manufacturing cost and does not need special maintenance.
2. The waterproof coating is simple in construction and wide in application range, can be constructed on the upstream surface and the downstream surface, can also be constructed on a damp base surface, is good in waterproof and anti-permeability effect, has a ventilation function, is good in ageing resistance, has the capability of automatically repairing cracks and defects, and is durable in waterproof effect.
3. The matrix concrete is prevented from being corroded by chemical substances, saline water, sewage and other harmful substances, the reinforcement is prevented from being corroded, the permeability is strong, and the penetration depth can reach 50 MM.
4. The crystallization speed is high, the primary osmotic pressure can reach the standard requirement 14 days in advance, the secondary osmotic pressure of 28 days can reach the standard requirement, the pressure drop is less than or equal to 0.2Mpa, and the product is nontoxic and harmless to human bodies and the environment.
5. The anti-radiation semi-permanent nano permeable crystallization sealing compacting agent provided by the invention has the advantages of double water resistance, strong permeable crystallization capability, rapid crack repair and excellent chemical corrosion resistance.
Drawings
FIG. 1 is a schematic flow chart of a radiation-resistant semi-permanent nano-penetration crystalline sealing densification agent and a method for using the same according to the present invention.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention discloses a radiation-resistant semi-permanent nano-penetration crystalline sealing compacting agent, which is a powdery waterproof coating containing active compounds, wherein the active compounds penetrate into concrete in the presence of water to form a large amount of water-insoluble long-chain crystals in pores and cracks, and the pores are filled with surface capillary channels, so that the concrete is compacted and waterproof, and the sealing compacting agent is suitable for the waterproof and repairing of the inner and outer surfaces or bodies of various concrete structures needing permanent waterproof, and comprises the following raw materials in percentage: 8% of an expanding agent, 10% of a mineral additive, 30% of a water reducing agent, 1% of a retarder, 13% of a crystallization precipitator, 10% of a complexing agent, 10% of a calcium ion compensating agent, 4% of a crystal growth agent, 3% of an anti-flash rust agent, 4% of methyl potassium silicate, 2% of lithium carbonate, 2% of sodium silicate, 2% of lithium silicate and 1% of graphene.
As a specific optimization scheme of this embodiment, when the radiation-resistant semi-permanent nano-osmotic crystalline sealing densification agent is prepared, the expanding agent, the mineral additive, the water reducing agent, the retarder, the crystallization precipitator, the complexing agent, the calcium ion compensator, the crystal growth agent, the flash rust inhibitor, the potassium methyl silicate, the lithium carbonate, the sodium silicate, and the lithium silicate are doped into concrete when the radiation-resistant semi-permanent nano-osmotic crystalline sealing densification agent is prepared.
As a specific optimization scheme of the embodiment, the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is a liquid waterproof material containing an active compound.
As a specific optimization scheme of the embodiment, the penetration depth of the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is 50 MM.
As a specific optimization scheme of the embodiment, the anti-radiation semi-permanent nano-osmotic crystalline sealing densification agent is suitable for concrete floors needing wear resistance and dust reduction, such as industrial factory buildings, warehouses, heavy-load machinery factories, automobile maintenance factories, squares, airports, parking lots, wharfs, roads and bridges, building outer walls, kitchen and bathroom waterproofing and roofing maintenance.
Referring to fig. 1, a method for using a radiation-resistant semi-permanent nano-permeable crystalline sealing densification agent includes the following steps:
s1, surface treatment: removing alkali, dust, paint, surface loose layer and other foreign matters, wherein the surface is slightly rough;
s2, wet concrete: thoroughly wetting the surface of the concrete by using a clean solution to soak the concrete, so as to ensure the formation of crystals;
s3, preparation of coating mortar: mixing powder and water according to the weight ratio of 1: stirring the mixture into uniform slurry according to the proportion of 0.35;
s4, brushing: coating with a scraper or special spraying equipment, wherein the coating is brushed twice, after the first coating is basically hardened, the second coating is made, and the reference dosage per square meter is as follows: 1kg, which is determined according to the conditions of construction parts and base surfaces;
s5, maintenance: the coating is maintained fully, the coating is covered with wet coarse linen in time after being painted, the coating is ensured to be wet, spray maintenance can be adopted after the coating is hardened, the coating is covered with the coarse linen, and the maintenance is carried out for 72 hours.
As a specific optimization scheme of the embodiment, the product can also be used as a waterproof agent and is mixed into mortar and concrete by an external mixing method, and the mixing amount is 2% of the weight of cement.
As a specific optimization scheme of this embodiment, for newly poured concrete, dry powder can be directly sprinkled on the surface of the foundation for waterproofing due to its high water content, and water testing inspection can be performed only after the coating is completely dried, and usually, the coating is dried in a climate environment with a humidity of less than 80% for 7-10 days, and water can be stored after a certain hydrophobic effect is generated on the surface of the coating.
Example two:
the invention discloses a radiation-resistant semi-permanent nano-penetration crystalline sealing compacting agent, which is a powdery waterproof coating containing active compounds, wherein the active compounds penetrate into concrete in the presence of water to form a large amount of water-insoluble long-chain crystals in pores and cracks, and the pores are filled with surface capillary channels, so that the concrete is compacted and waterproof, and the sealing compacting agent is suitable for the waterproof and repairing of the inner and outer surfaces or bodies of various concrete structures needing permanent waterproof, and comprises the following raw materials in percentage: 5% of an expanding agent, 11% of a mineral additive, 32% of a water reducing agent, 1% of a retarder, 13% of a crystallization precipitator, 10% of a complexing agent, 10% of a calcium ion compensating agent, 4% of a crystal growth agent, 3% of an anti-flash rust agent, 3% of methyl potassium silicate, 3% of lithium carbonate, 2% of sodium silicate, 2% of lithium silicate and 1% of graphene.
As a specific optimization scheme of this embodiment, when the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is prepared, the expanding agent, the mineral additive, the water reducing agent, the retarder, the crystallization precipitator, the complexing agent, the calcium ion compensator, the crystal growth promoter, the flash rust inhibitor, the methyl potassium silicate, the lithium carbonate, the sodium silicate and the lithium silicate are doped into concrete.
As a specific optimization scheme of the embodiment, the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is a liquid waterproof material containing an active compound.
As a specific optimization scheme of the embodiment, the penetration depth of the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is 50 MM.
As a specific optimization scheme of the embodiment, the anti-radiation semi-permanent nano-osmotic crystalline sealing densification agent is suitable for concrete floors needing wear resistance and dust reduction, such as industrial factory buildings, warehouses, heavy-load machinery factories, automobile maintenance factories, squares, airports, parking lots, wharfs, roads and bridges, building outer walls, kitchen and bathroom waterproofing and roofing maintenance.
Referring to fig. 1, a method for using a radiation-resistant semi-permanent nano-permeable crystalline sealing densification agent includes the following steps:
s1, surface treatment: removing alkali, dust, paint, surface loose layer and other foreign matters, wherein the surface is slightly rough;
s2, wet concrete: thoroughly wetting the surface of the concrete by using a clean solution to soak the concrete, so as to ensure the formation of crystals;
s3, preparation of coating mortar: mixing powder and water according to the weight ratio of 1: stirring the mixture into uniform slurry according to the proportion of 0.35;
s4, brushing: coating with a scraper or special spraying equipment, wherein the coating is brushed twice, after the first coating is basically hardened, the second coating is made, and the reference dosage per square meter is as follows: 1.1kg, which is determined according to the conditions of construction parts and base surfaces;
s5, maintenance: the coating is maintained fully, the coating is covered with wet coarse linen in time after being painted, the coating is ensured to be wet, spray maintenance can be adopted after the coating is hardened, the coating is covered with the coarse linen, and the maintenance is carried out for 72 hours.
As a specific optimization scheme of the embodiment, the product can also be used as a waterproof agent and is mixed into mortar and concrete by an external mixing method, and the mixing amount is 2.5 percent of the weight of cement.
As a specific optimization scheme of this embodiment, for newly poured concrete, dry powder can be directly sprinkled on the surface of the foundation for waterproofing due to its high water content, and water testing inspection can be performed only after the coating is completely dried, and usually, the coating is dried in a climate environment with a humidity of less than 80% for 7-10 days, and water can be stored after a certain hydrophobic effect is generated on the surface of the coating.
Example three:
the invention discloses a radiation-resistant semi-permanent nano-penetration crystalline sealing compacting agent, which is a powdery waterproof coating containing active compounds, wherein the active compounds penetrate into concrete in the presence of water to form a large amount of water-insoluble long-chain crystals in pores and cracks, and the pores are filled with surface capillary channels, so that the concrete is compacted and waterproof, and the sealing compacting agent is suitable for the waterproof and repairing of the inner and outer surfaces or bodies of various concrete structures needing permanent waterproof, and comprises the following raw materials in percentage: 10% of an expanding agent, 8% of a mineral additive, 35% of a water reducing agent, 1% of a retarder, 8% of a crystallization precipitator, 10% of a complexing agent, 10% of a calcium ion compensating agent, 4% of a crystal growth agent, 3% of an anti-flash rust agent, 4% of methyl potassium silicate, 2% of lithium carbonate, 2% of sodium silicate, 2% of lithium silicate and 1% of graphene.
As a specific optimization scheme of this embodiment, when the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is prepared, the expanding agent, the mineral additive, the water reducing agent, the retarder, the crystallization precipitator, the complexing agent, the calcium ion compensator, the crystal growth promoter, the flash rust inhibitor, the methyl potassium silicate, the lithium carbonate, the sodium silicate and the lithium silicate are doped into concrete.
As a specific optimization scheme of the embodiment, the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is a liquid waterproof material containing an active compound.
As a specific optimization scheme of the embodiment, the penetration depth of the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent is 50 MM.
As a specific optimization scheme of the embodiment, the anti-radiation semi-permanent nano-osmotic crystalline sealing densification agent is suitable for concrete floors needing wear resistance and dust reduction, such as industrial factory buildings, warehouses, heavy-load machinery factories, automobile maintenance factories, squares, airports, parking lots, wharfs, roads and bridges, building outer walls, kitchen and bathroom waterproofing and roofing maintenance.
Referring to fig. 1, a method for using a radiation-resistant semi-permanent nano-permeable crystalline sealing densification agent includes the following steps:
s1, surface treatment: removing alkali, dust, paint, surface loose layer and other foreign matters, wherein the surface is slightly rough;
s2, wet concrete: thoroughly wetting the surface of the concrete by using a clean solution to soak the concrete, so as to ensure the formation of crystals;
s3, preparation of coating mortar: mixing powder and water according to the weight ratio of 1: stirring the mixture into uniform slurry according to the proportion of 0.35;
s4, brushing: coating with a scraper or special spraying equipment, wherein the coating is brushed twice, after the first coating is basically hardened, the second coating is made, and the reference dosage per square meter is as follows: 1.2kg, which is determined according to the conditions of construction parts and base surfaces;
s5, maintenance: the coating is maintained fully, the coating is covered with wet coarse linen in time after being painted, the coating is ensured to be wet, spray maintenance can be adopted after the coating is hardened, the coating is covered with the coarse linen, and the maintenance is carried out for 72 hours.
As a specific optimization scheme of the embodiment, the product can also be used as a waterproof agent and is mixed into mortar and concrete by an external mixing method, and the mixing amount is 3% of the weight of cement.
As a specific optimization scheme of this embodiment, for newly poured concrete, dry powder can be directly sprinkled on the surface of the foundation for waterproofing due to its high water content, and water testing inspection can be performed only after the coating is completely dried, and usually, the coating is dried in a climate environment with a humidity of less than 80% for 7-10 days, and water can be stored after a certain hydrophobic effect is generated on the surface of the coating.
Experimental example:
concrete flow of transparent curing terrace construction process
S1, basal plane treatment: removing original ground garbage, dust and laitance from the old ground by using a No. 60 or No. 120 alloy cutter head, and exposing the clean and fresh surface of the concrete;
s2, grinding the ground: cleaning the terrace, grinding a resin abrasive disc No. 50.150 to air and cool thoroughly, and repairing all ground flaws before No. 150;
s3, spraying materials: after the surface is dried, uniformly spraying 1-2 sealing curing agents, grinding the surface of the product twice by a 300-mesh grinding plate, simply cleaning the product, grinding the product twice by 500-mesh grinding plate by using clear water, cleaning the product, and completely drying the product.
S4, grinding the ground: after drying, the residual floor materials are completely cleaned by a 500-mesh water mill.
S5, spraying materials: spraying curing agent 1 to 4-6, and keeping moisture for 2-4 h. Allowing the material sufficient time to maintain the absorption of the ground, wherein the total dosage of the curing agent is about 0.150.2 KG/square meter;
s6, fine polishing: after the surface of the ground is dry, the ground is polished to 1000 meshes and 2000 meshes, and is fully ground for 2 to 3 times, and then the ground is cleaned (no water carrying operation is needed);
s7, spraying materials: after the surface is cleaned and dried, the dosage of the polishing protective agent is about 0.03-0.05kg/m 2;
s8, high-speed polishing: and after the surface of the ground is dried, polishing by using a corresponding polishing pad of a professional high polishing machine, and finishing.
The application in road and bridge engineering is as follows:
most of road and bridge engineering is municipal engineering, but most of road surfaces and bridge sections do not belong to underground engineering, cement-based permeable crystallization type waterproof materials are almost not used in the past, but in recent years, along with the continuous deepening of people's familiarity with products, products are gradually applied to the field, such as Beijing, Henan, Zhejiang and the like, and road and bridge engineering is applied to the construction of the materials, and the materials are mainly applied to the joint reinforcement of road surface construction joints, waterproof and anticorrosive coatings of concrete base surfaces of piers and anticorrosive and waterproof treatment of welding positions. Use as the sole material for road surfaces and bridge decks is not claimed.
The application on the building outer wall:
the waterproof coating that the building outer wall used is more, but does have many problems, must puter earlier and make level, if inhomogeneous careful, will influence the whitewash of coating, and the cracking phenomenon that shells is more, and water-proof effects also can be influenced certainly. If the construction cannot be carried out in rainy days, the whole construction period is influenced.
The application in the kitchen and bath water-proof engineering is as follows:
in the waterproof construction of buildings such as kitchens, toilets and the like, JS composite waterproof paint, polyurethane waterproof paint, modified asphalt-based waterproof paint and the like are used in a large number. With the continuous and deep familiarity of people with the capillary crystalline type sealing densification agent, people can feel and experience the advantages of the material on kitchen and toilet water-proof engineering, so far, a few of civil building kitchen and toilet engineering in various large and medium cities use the material, such as Beijing, Shanghai, Zhejiang and other places, and the kitchen and toilet water-proof engineering focuses on the reasonable treatment of a contact seam between a pre-buried pipe and a concrete base surface in the construction process, and three suggestions are provided: firstly, the pipe seam treatment is operated according to a leakage stoppage construction method, a V-shaped groove is chiseled for plugging, and then a waterproof coating is coated; secondly, a waterproof coating is also formed along the 20-30CM upward extension of the side wall so as to ensure that the waterproof coating cannot leak from the corner of the wall; and if the condition is satisfied, the top plate is also provided with a waterproof coating so as to prevent water leakage of the upper layer from dripping.
The application in roof maintenance is as follows:
the cement-based permeable crystallization type sealing densification agent is rejected to be applied to large-area roof waterproofing engineering for a long time, only one reason is that the cement-based permeable crystallization type sealing densification agent is a rigid waterproof material, once a structure is cracked, a waterproof coating loses effect, the rejection is reasonable, if deep research is conducted, people can suspect all waterproof materials because the waterproof material is used for preventing water and not used for preventing the structure from cracking, and even if the flexible waterproof material is subjected to pulling deformation, the people cannot guarantee whether the waterproof effect is still achieved, so that the cement-based permeable crystallization type sealing densification agent can be intelligently rejected to be applied to large-area roof waterproofing engineering, and other effects of the cement-based permeable crystallization type sealing densification agent in the roof engineering can also be considered.
In terms of roof waterproof engineering, three points are suggested: first, the flat of small-size building, oblique roofing all can use this type of material, conditional case, can do the color asphalt felt tile before laying, apply paint waterproof coating with a brush earlier, it is waterproof to make twice, in order to ensure to be all the same, roofing maintenance engineering can adopt this type of material, such as construction joint, the maintenance of settlement joint, the seepage of small area roof etc. it is effectual, the just examination of not hindering, three large tracts of land roof engineering is just doing, gentle, heat preservation three, when even more waterproof engineering, available cement base infiltration crystallization type waterproof material does first rigid waterproof, the design can refer to relevant plate box, the design drawing set of the firm and soft multichannel waterproof engineering of making good with others.
Matters of attention
1. The utility model can not be used in rainy days and icy climates;
2. the slurry to be coated is used up within 30 minutes after being stirred, and is continuously stirred in the using process, and water is strictly forbidden to be additionally added;
3. watering maintenance is prohibited before the coating is not hardened.
The invention has the beneficial effects that:
1. has high wear resistance and impact resistance, can reduce dust in places, is convenient to construct, has low manufacturing cost and does not need special maintenance.
2. The waterproof coating is simple in construction and wide in application range, can be constructed on the upstream surface and the downstream surface, can also be constructed on a damp base surface, is good in waterproof and anti-permeability effect, has a ventilation function, is good in ageing resistance, has the capability of automatically repairing cracks and defects, and is durable in waterproof effect.
3. The matrix concrete is prevented from being corroded by chemical substances, saline water, sewage and other harmful substances, the reinforcement is prevented from being corroded, the permeability is strong, and the penetration depth can reach 50 MM.
4. The crystallization speed is high, the primary osmotic pressure can reach the standard requirement 14 days in advance, the secondary osmotic pressure of 28 days can reach the standard requirement, the pressure drop is less than or equal to 0.2Mpa, and the product is nontoxic and harmless to human bodies and the environment.
5. The anti-radiation semi-permanent nano permeable crystallization sealing compacting agent provided by the invention has the advantages of double water resistance, strong permeable crystallization capability, rapid crack repair and excellent chemical corrosion resistance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A radiation-resistant semi-permanent nano-penetration crystalline sealing densification agent is characterized in that the penetration crystalline sealing densification agent is a powdery waterproof coating containing an active compound, under the condition that water exists, the active compound penetrates into concrete to form a large amount of water-insoluble long-chain crystals in pores and cracks, and capillary channels are filled, so that the concrete is densified and waterproofed, and the sealing densification agent is suitable for waterproofing and repairing of the inner and outer surfaces or bodies of various concrete structures needing permanent waterproofing, and the raw materials comprise the following components in percentage: 5-10% of an expanding agent, 5-12% of a mineral additive, 20-35% of a water reducing agent, 0.2-1% of a retarder, 1-15% of a crystallization precipitator, 1-12% of a complexing agent, 1-13% of a calcium ion compensating agent, 0.1-1% of a crystal growth agent, 1-5% of an anti-flash rust agent, 1-5% of methyl potassium silicate, 1-5% of lithium carbonate, 2-5% of sodium silicate, 2-5% of lithium silicate and 1-3% of graphene.
2. The radiation resistant semi-permanent nano osmotic crystalline seal densification agent of claim 1, wherein the expansion agent, mineral additive, water reducing agent, retarder, crystallization precipitant, complexing agent, calcium ion compensator, crystal growth agent, flash rust inhibitor, potassium methyl silicate, lithium carbonate, sodium silicate and lithium silicate are incorporated into the concrete during the preparation of the radiation resistant semi-permanent nano osmotic crystalline seal densification agent.
3. The radiation resistant semi-permanent nano-osmotic crystalline seal densification agent of claim 1, wherein the radiation resistant semi-permanent nano-osmotic crystalline seal densification agent is a liquid water-proof material containing an active compound.
4. The radiation resistant semi-permanent nano-osmotic crystalline seal densification agent of claim 1, wherein the radiation resistant semi-permanent nano-osmotic crystalline seal densification agent has a penetration depth of 50 MM.
5. The sealing densifier according to claim 1, wherein it is suitable for concrete floor, such as industrial factory, warehouse, heavy duty machinery factory, car maintenance factory, square, airport, parking lot, dock, road bridge, building facade, kitchen and toilet water proofing and roofing maintenance, which need abrasion resistance and dust reduction.
6. The use method of the radiation resistant semi-permanent nano-permeable crystalline sealing densification agent according to any one of claims 1-5, comprising the steps of:
s1, surface treatment: removing alkali, dust, paint, surface loose layer and other foreign matters, wherein the surface is slightly rough;
s2, wet concrete: thoroughly wetting the surface of the concrete by using a clean solution to soak the concrete, so as to ensure the formation of crystals;
s3, preparation of coating mortar: mixing the powder with water to prepare uniform slurry;
s4, brushing: coating with a scraper or special spraying equipment, wherein the coating is brushed twice, after the first coating is basically hardened, the second coating is made, and the reference dosage per square meter is as follows: 1-1.2kg, which is determined according to the conditions of construction parts and base surfaces;
s5, maintenance: the coating is maintained fully, the coating is covered with wet coarse linen in time after being painted, the coating is ensured to be wet, and after the coating is hardened, the coating can be maintained by spraying and covered with the coarse linen.
7. The method of claim 6, wherein the coating mortar is prepared by mixing the powder material and water in a ratio of 1: 0.35 to prepare uniform slurry.
8. The method of claim 1, wherein the curing step S5, which is to cover the sealing member with a scrim, requires 72 hours of curing.
9. The use method of the radiation-resistant semi-permanent nano-penetration crystallization sealing densification agent according to claim 1, wherein the agent can also be used as a water-proofing agent to be mixed into mortar and concrete by an external mixing method, and the mixing amount is 2-3% of the weight of cement.
10. The use method of the radiation-resistant semi-permanent nano-osmotic crystalline sealing densification agent according to claim 1, wherein for newly poured concrete, dry powder can be directly scattered on the surface of a base for water prevention due to high water content, and water test can be performed only after the coating is completely dried, and water can be stored after the coating is dried for 7-10 days in a climate environment with humidity less than 80%.
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Application publication date: 20210226 |