CN105819733A - Concrete anti-cracking and anti-permeability special additive and preparation method thereof - Google Patents
Concrete anti-cracking and anti-permeability special additive and preparation method thereof Download PDFInfo
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- CN105819733A CN105819733A CN201610156554.XA CN201610156554A CN105819733A CN 105819733 A CN105819733 A CN 105819733A CN 201610156554 A CN201610156554 A CN 201610156554A CN 105819733 A CN105819733 A CN 105819733A
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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
- 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
Abstract
The invention relates to a concrete anti-cracking and anti-permeability special additive, which is composed of the following components in parts by weight: 9 to 11 parts of carboxyl material that is prepared by mixing sodium carboxymethyl cellulose and carboxylated graphene according to a mass ratio of 1:7.2-8.2, wherein sodium carboxymethyl cellulose and carboxylated graphene are both powder with a particle size of 500 to 600 meshes; 4 to 6 parts of zinc oxide with a particle size of 300 to 400 meshes; 4 to 5 parts of active carbon powder with a particle size of 200 to 300 meshes; 40 to 42 parts of nano level light heavy calcium carbonate powder with a particle size of 1000 to 1200 meshes, and 65 to 68 parts of polyester fiber with a length of 10 to 15 mm and a diameter of 20 to 25 [mu]m. The provided concrete special additive can largely improve the anti-cracking and anti-permeability performance of concrete, and thus the waterproof protection period of building is largely prolonged.
Description
Technical field
The invention belongs to building material technical field, particularly to a kind of impervious specialist additive of concrete anticracking, also relate to
And the preparation method of the impervious specialist additive of this concrete anticracking.
Background technology
Concrete, referred to as " concrete ", it is common that referring to make Binder Materials with cement, sand, masonry gather materials, with water by a certain percentage
Coordinate, agitated gained.Concrete has abundant raw material, cheap, the simple feature of production technology so that it is range ten
Divide extensively, not only use in various civil engineerings, it is simply that shipbuilding industry, mechanical industry, the exploitation of ocean, geothermal engineering etc., mixed
Solidifying soil is also important material.But concrete material is due to the characteristic of self structure, in use especially for those
Often there is Seepage in underground and aouatic structure engineering, and this has a strong impact on and constrain the application of concrete material.
Therefore, constantly it is suggested about improving and improve the various additives of concrete material impermeability, as in early days
Some expand by producing to improve the inorganic water-proof agents such as the calcium chloride of concrete anticracking impermeability, iron chloride, in addition with
Some organics, such as organosilicon, fatty acid etc.；But these waterproofing agents on the one hand waterproof ability is limited, it is impossible to persistently.
Therefore, some novel more effective waterproof additives are expected to be developed and apply.
Summary of the invention
The technical problem to be solved in the present invention be to provide one can make concrete anticracking, anti-permeability performance strengthen and can improve right
The impervious specialist additive of concrete anticracking of the waterproofing protection phase of building, also provides for that this concrete anticracking a kind of is impervious special to be added
Add the preparation method of agent.
For solving above-mentioned technical problem, the technical scheme is that a kind of impervious specialist additive of concrete anticracking, its
Innovative point is: the constituent of described additive is in parts by mass:
Carboxyl class material 9-11 part；
Oxide powder and zinc 4-6 part；
Activated carbon 4-5 part；
Nanoscale is slight dicalcium powder 40-42 part；
Polyester fiber 65-68 part；
Wherein, described carboxyl class material is mixed by sodium carboxymethyl cellulose and carboxylated Graphene, carboxymethyl cellulose
The mass ratio of sodium and carboxylated Graphene is 1:7.2～8.2, and sodium carboxymethyl cellulose is granularity with carboxylated Graphene and is
Powder between 500-600 mesh；The granularity of described oxide powder and zinc is 300-400 mesh；Described activated carbon choice of powder shape,
Its granularity is 200-300 mesh；The granularity of described nanoscale is slight dicalcium powder is 1000-1200 mesh；Described polyester fiber, its
A length of 10-15mm, a diameter of 20-25 m.
Further, in described carboxyl class material, sodium carboxymethyl cellulose is 1 with the mass ratio of carboxylated Graphene:
7.7。
The preparation method of a kind of impervious specialist additive of above-mentioned concrete anticracking, its innovative point is: described preparation side
Method comprises the steps: the sodium carboxymethyl cellulose measured and carboxylated Graphene, oxide powder and zinc, activated carbon and nanoscale
Slight dicalcium powder is sent into blender and is mixed, and metering is assigned in packaging bag as required, then is measured by required polyester fiber
Put into have installed powder bag seals and be finished product.
In the present invention, the mechanism of action of additive is: the impervious specialist additive of concrete anticracking of the present invention can the most fully
Microvoid between fill concrete interface, strengthens the adhesion at interface, keeps the slow decomposition of water, reduces the quick of hydro-thermal
Rise, and make the heat of hydration of generation discharge in concrete, activate, strengthen the activity of cement, flyash and aggregate so that it is
Between affinity strengthen, thus in whipping process combine fine, it is ensured that gelling thing during construction is vibrated not with bone
Material isolation, improve concrete from close property, improve the etch resistant properties of reinforcing bar simultaneously；And restriction concrete can be strengthened cause because of various stress
Crack produce, global formation concrete forms complete netted system, improves because the climate temperature change agent on crack resistance of concrete temperature difference becomes
Change performance.
It is an advantage of the current invention that: the carboxyl class material that the impervious specialist additive of concrete anticracking of the present invention uses, its
Mixed by sodium carboxymethyl cellulose and carboxylated Graphene, it is possible to the microvoid on fill concrete interface, boundary can be strengthened
Adhesion between face, absorbs the hydro-thermal during part concrete formation；The oxide powder and zinc used, in the initial set of concrete
Cheng Zhong, with water and acid, alkaline matter neutralization, little by little separates hydrogen and oxygen, makes gas, discharge, carry simultaneously from concrete
Walk the part heat of hydration, reduce the generation of temperature shrinkage fracture；The activated carbon used can neutralize KO2、NaO2Generation, activate water
The activity of mud, flyash and aggregate so that it is between affinity strengthen, thus in whipping process can in conjunction with fine, it is ensured that
Gelling thing during construction is vibrated not with aggregate segregation, improve concrete from close property, improve the stainless property of reinforcing bar simultaneously；Adopt
The slight dicalcium powder of nanoscale, can further enhance concrete activity, improve concrete compactness, from fill, because of inside during concrete molding
The capillary porosity that gas produces, improves the anti-carbonation properties in concrete later stage；The polyester fiber used, strengthens and limits concrete because of various stress
The generation in the crack caused, forms a complete soft structure network structure system in global formation concrete, and by fiber by water
Transconversion into heat passes, and improves because of the ability of climate temperature change concrete Anti-temperature difference change；Thus, the concrete anticracking of the present invention is impervious
Specialist additive greatly strengthen cracking resistance and the anti-permeability performance of concrete, also substantially increases the waterproofing protection phase to building.
Detailed description of the invention
The following examples can make professional and technical personnel that the present invention is more fully understood, but the most therefore by this
Bright it is limited among described scope of embodiments.
Embodiment 1
The most in parts by mass: by 1.1 parts of sodium carboxymethyl cellulose, 7.9 parts of carboxylated Graphenes, 6 parts of oxide powder and zincs, 5 parts of work
Property charcoal, 42 parts of slight dicalcium powders of nanoscale send into blenders and be sufficiently mixed, make powder；Wherein, wherein, carboxylated graphite
The granularity of alkene is 500 mesh, and the granularity of oxide powder and zinc is 300 mesh, and the granularity of activated carbon is 200 mesh, nanoscale is slight dicalcium powder
Granularity is 1000 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 68 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Embodiment 2
The most in parts by mass: by 0.98 part of sodium carboxymethyl cellulose, 8.02 parts of carboxylated Graphenes, 6 parts of oxide powder and zincs, 5 parts
Activated carbon, 42 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 500 mesh, and the granularity of oxide powder and zinc is 300 mesh, and the granularity of activated carbon is 200 mesh, nanoscale is slight dicalcium powder
Granularity be 1000 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 68 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Embodiment 3
The most in parts by mass: by 1.03 parts of sodium carboxymethyl cellulose, 7.97 parts of carboxylated Graphenes, 6 parts of oxide powder and zincs, 5 parts
Activated carbon, 42 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 500 mesh, and the granularity of oxide powder and zinc is 300 mesh, and the granularity of activated carbon is 200 mesh, nanoscale is slight dicalcium powder
Granularity be 1000 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 68 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Table 1 below is sodium carboxymethyl cellulose and carboxylated Graphene mass ratio contrast form in embodiment 1-3:
| Carboxyl class material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Sodium carboxymethyl cellulose | 1 | 1 | 1 |
| Carboxylated Graphene | 7.2 | 8.2 | 7.7 |
For the performance of the impervious specialist additive of testing example 1-3 concrete anticracking, the concrete anticracking of each embodiment is impervious
Concrete each sample, according to adding 1kg finished product additive in the concrete of every cubic metre, is then carried out by specialist additive weight
Test, performance test results is shown in Table 2.
The performance test data of the impervious specialist additive of table 2 embodiment 1-3 concrete anticracking
| Pilot project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Seepage-resistant grade | 18MPa | 17MPa | 18MPa |
| Infiltration height | 4.5cm | 4.5cm | 4cm |
| Cracking resistance grade | >=one-level | >=one-level | >=one-level |
| Crack reduces coefficient | 77% | 76% | 78% |
| The waterproofing protection phase | 73 years | 73 years | 75 years |
Conclusion: as can be seen from the above table, the impervious specialist additive of concrete anticracking of embodiment 1-3, seepage-resistant grade P=17-
18MPa, infiltration height is in 4-4.5cm, cracking resistance grade >=one-level, and it is 76%-78% that crack reduces coefficient, the additive of this invention
The waterproofing protection phase is 73-75；Thus, the impervious specialist additive of concrete anticracking of the present invention greatly strengthen the anti-of concrete
Split and anti-permeability performance, also substantially increase the waterproofing protection phase to building；Additionally, embodiment 1-3 is compared, permissible
Finding out, every test performance of embodiment 3 is superior to other two embodiments, thus embodiment 3 is most preferred embodiment.
Embodiment 4
The most in parts by mass: by 1.24 parts of sodium carboxymethyl cellulose, 9.76 parts of carboxylated Graphenes, 4 parts of oxide powder and zincs, 5 parts
Activated carbon, 40 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 500 mesh, and the granularity of oxide powder and zinc is 300 mesh, and the granularity of activated carbon is 200 mesh, nanoscale is slight dicalcium powder
Granularity be 1000 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 65 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10-15mm of polyester fiber, a diameter of 20 m.
Embodiment 5
The most in parts by mass: by 1.15 parts of sodium carboxymethyl cellulose, 8.85 parts of carboxylated Graphenes, 5 parts of oxide powder and zincs, 4 parts
Activated carbon, 41 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 500 mesh, and the granularity of oxide powder and zinc is 300 mesh, and the granularity of activated carbon is 200 mesh, nanoscale is slight dicalcium powder
Granularity be 1000 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 67 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Table 3 below is each component proportion contrast form of embodiment 3-5:
The weight proportion of table 3 embodiment 3-5
| Component | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Carboxylated Graphene | 9 | 11 | 10 |
| Oxide powder and zinc | 6 | 4 | 5 |
| Activated carbon | 5 | 5 | 4 |
| Nanoscale is slight dicalcium powder | 42 | 40 | 41 |
| Polyester fiber | 68 | 65 | 67 |
For the performance of the impervious specialist additive of testing example 3-5 concrete anticracking, the concrete anticracking of each embodiment is impervious
Concrete each sample, according to adding 1kg finished product additive in the concrete of every cubic metre, is then carried out by specialist additive weight
Test, performance test results is shown in Table 4.
The performance test data of the impervious specialist additive of table 4 embodiment 3-5 concrete anticracking
| Pilot project | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Seepage-resistant grade | 18MPa | 17MPa | 20MPa |
| Infiltration height | 4cm | 3.5cm | 3cm |
| Cracking resistance grade | >=one-level | >=one-level | >=one-level |
| Crack reduces coefficient | 78% | 85% | 90% |
| The waterproofing protection phase | 75 years | 73 years | 80 years |
Conclusion: as can be seen from the above table, the impervious specialist additive of concrete anticracking of embodiment 3-5, seepage-resistant grade P=17-
20MPa, infiltration height is in 3-4cm, cracking resistance grade >=one-level, and it is 78%-90% that crack reduces coefficient, preventing of the additive of this invention
The water conservation phase is 73-80；Thus, the impervious specialist additive of concrete anticracking of the present invention greatly strengthen the cracking resistance of concrete
And anti-permeability performance, also substantially increase the waterproofing protection phase to building；Additionally, embodiment 3-5 is compared, can see
Going out, every test performance of embodiment 5 is superior to other two embodiments, thus embodiment 5 is most preferred embodiment.
Embodiment 6
The most in parts by mass: by 1.15 parts of sodium carboxymethyl cellulose, 8.85 parts of carboxylated Graphenes, 5 parts of oxide powder and zincs, 4 parts
Activated carbon, 41 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 600 mesh, and the granularity of oxide powder and zinc is 400 mesh, and the granularity of activated carbon is 300 mesh, nanoscale is slight dicalcium powder
Granularity be 1200 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 67 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Embodiment 7
The most in parts by mass: by 1.15 parts of sodium carboxymethyl cellulose, 8.85 parts of carboxylated Graphenes, 5 parts of oxide powder and zincs, 4 parts
Activated carbon, 41 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 550 mesh, and the granularity of oxide powder and zinc is 350 mesh, and the granularity of activated carbon is 250 mesh, nanoscale is slight dicalcium powder
Granularity be 1100 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 67 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 10mm of polyester fiber, a diameter of 20 m.
Table 5 below is each component particle size size contrast form of embodiment 5-7:
Each component particle size size of table 5 embodiment 5-7
| Component | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Carboxylated Graphene | 500 mesh | 600 mesh | 550 mesh |
| Oxide powder and zinc | 300 mesh | 400 mesh | 350 mesh |
| Activated carbon | 200 mesh | 300 mesh | 250 mesh |
| Nanoscale is slight dicalcium powder | 1000 mesh | 1200 mesh | 1100 mesh |
For the performance of the impervious specialist additive of testing example 5-7 concrete anticracking, the concrete anticracking of each embodiment is impervious
Concrete each sample, according to adding 1kg finished product additive in the concrete of every cubic metre, is then carried out by specialist additive weight
Test, performance test results is shown in Table 6.
The performance test data of the impervious specialist additive of table 6 embodiment 5-7 concrete anticracking
| Pilot project | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Seepage-resistant grade | 20MPa | 18MPa | 20MPa |
| Infiltration height | 3cm | 3.5cm | 3cm |
| Cracking resistance grade | >=one-level | >=one-level | >=one-level |
| Crack reduces coefficient | 90% | 88% | 90% |
| The waterproofing protection phase | 80 years | 78 years | 82 years |
Conclusion: as can be seen from the above table, the impervious specialist additive of concrete anticracking of embodiment 5-7, seepage-resistant grade P=18-
20MPa, infiltration height is in 3-3.5cm, cracking resistance grade >=one-level, and it is 88%-90% that crack reduces coefficient, the additive of this invention
The waterproofing protection phase is 78-82；Thus, the impervious specialist additive of concrete anticracking of the present invention greatly strengthen the anti-of concrete
Split and anti-permeability performance, also substantially increase the waterproofing protection phase to building；Additionally, embodiment 5-7 is compared, permissible
Finding out, every test performance of embodiment 7 is superior to other two embodiments, thus embodiment 7 is most preferred embodiment.
Embodiment 8
The most in parts by mass: by 1.15 parts of sodium carboxymethyl cellulose, 8.85 parts of carboxylated Graphenes, 5 parts of oxide powder and zincs, 4 parts
Activated carbon, 41 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 550 mesh, and the granularity of oxide powder and zinc is 350 mesh, and the granularity of activated carbon is 250 mesh, nanoscale is slight dicalcium powder
Granularity be 1100 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 67 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 15mm of polyester fiber, a diameter of 25 m.
Embodiment 9
The most in parts by mass: by 1.15 parts of sodium carboxymethyl cellulose, 8.85 parts of carboxylated Graphenes, 5 parts of oxide powder and zincs, 4 parts
Activated carbon, 41 parts of slight dicalcium powders of nanoscale are sent into blender and are sufficiently mixed, and make powder；Wherein, wherein, carboxyl fossil
The granularity of ink alkene is 550 mesh, and the granularity of oxide powder and zinc is 350 mesh, and the granularity of activated carbon is 250 mesh, nanoscale is slight dicalcium powder
Granularity be 1100 mesh.
Then according to the quality of individual packaging bag, above-mentioned powder is divided into N part to be evenly distributed to respectively in each packaging bag；
Finally, then the polyester fiber that total amount is 67 mass parts being divided into N part, after weighing, uniform distribution is to the packaging installing powder body
In Dai, finished product is made in sealing, wherein, and a length of 12mm of polyester fiber, a diameter of 22 m.
Table 7 below is the polyester fiber form size contrast form of embodiment 7-9:
Table 7 embodiment 7-9 polyester fiber form size
| Polyester fiber | Embodiment 7 | Embodiment 8 | Embodiment 9 |
| Length | 10mm | 15mm | 12mm |
| Diameter | 20µm | 25µm | 22µm |
For the performance of the impervious specialist additive of testing example 7-9 concrete anticracking, the concrete anticracking of each embodiment is impervious
Concrete each sample, according to adding 1kg finished product additive in the concrete of every cubic metre, is then carried out by specialist additive weight
Test, performance test results is shown in Table 8.
The performance test data of the impervious specialist additive of table 8 embodiment 7-9 concrete anticracking
| Pilot project | Embodiment 7 | Embodiment 8 | Embodiment 9 |
| Seepage-resistant grade | 20MPa | 19MPa | 22MPa |
| Infiltration height | 3cm | 3.5cm | 3cm |
| Cracking resistance grade | >=one-level | >=one-level | >=one-level |
| Crack reduces coefficient | 90% | 88% | 90% |
| The waterproofing protection phase | 82 years | 74 years | 82 years |
Conclusion: as can be seen from the above table, the impervious specialist additive of concrete anticracking of embodiment 7-9, seepage-resistant grade P=19-
22MPa, infiltration height is in 3-3.5cm, cracking resistance grade >=one-level, and it is 88%-90% that crack reduces coefficient, the additive of this invention
The waterproofing protection phase is 74-82；Thus, the impervious specialist additive of concrete anticracking of the present invention greatly strengthen the anti-of concrete
Split and anti-permeability performance, also substantially increase the waterproofing protection phase to building；Additionally, embodiment 7-9 is compared, permissible
Finding out, every test performance of embodiment 9 is superior to other two embodiments, thus embodiment 9 is most preferred embodiment.
In order to contrast the performance of the impervious specialist additive of concrete anticracking of the present invention, by the concrete anticracking of 1kg of the present invention
Impervious specialist additive adds in the concrete of a cubic metre, and to use normal concrete be reference examples 1, and reference examples 2 is often
Cubic meter of concrete is added 1kg micro-expanding agent and polypropylene anti-crack fiber, more each concrete is tested.
The performance test results is as shown in table 9.
The impervious specialist additive of table 9 concrete anticracking of the present invention and the performance test data of reference examples
| Pilot project | The present invention | Reference examples 1 | Reference examples 2 |
| Seepage-resistant grade | P ＞ 15MP | P ＜ 6 | P=6～8 |
| Infiltration height | 3～4.5cm | ＞ 5cm | ＞ 5cm |
| Cracking resistance grade | >=one-level | ＜ tri-grades | ＜ one-level |
| Crack reduces coefficient | ＞ 70%～90% | ＜ 30% | ＜ 70% |
| The waterproofing protection phase | ＞ 70 years | 3～5 years | 3～5 years |
Note: reference examples 1 and reference examples 2 add outer waterproof roll, and the waterproofing protection phase is 3-5, and the waterproof guarantor of additive of the present invention
Protect phase and building same life-span.
Conclusion: as can be seen from the above table, the impervious specialist additive of concrete anticracking of the present invention, seepage-resistant grade P ＞
15MPa, infiltration height is at 3-4.5cm, and cracking resistance grade >=one-level, crack reduces coefficient >=70%, the additive of this invention waterproof
Protection period ＞ 70 years；Thus, the impervious specialist additive of concrete anticracking of the present invention greatly strengthen the cracking resistance of concrete and resists
Ooze performance, also substantially increase the waterproofing protection phase to building.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (3)
1. the impervious specialist additive of concrete anticracking, it is characterised in that: the constituent of described additive is in parts by mass
For:
Carboxyl class material 9-11 part；
Oxide powder and zinc 4-6 part；
Activated carbon 4-5 part；
Nanoscale is slight dicalcium powder 40-42 part；
Polyester fiber 65-68 part；
Wherein, described carboxyl class material is mixed by sodium carboxymethyl cellulose and carboxylated Graphene, carboxymethyl cellulose
The mass ratio of sodium and carboxylated Graphene is 1:7.2～8.2, and sodium carboxymethyl cellulose is granularity with carboxylated Graphene and is
Powder between 500-600 mesh；The granularity of described oxide powder and zinc is 300-400 mesh；Described activated carbon choice of powder shape,
Its granularity is 200-300 mesh；The granularity of described nanoscale is slight dicalcium powder is 1000-1200 mesh；Described polyester fiber, its
A length of 10-15mm, a diameter of 20-25 m.
The impervious specialist additive of concrete anticracking the most according to claim 1, it is characterised in that: described carboxyl class material
Middle sodium carboxymethyl cellulose is 1:7.7 with the mass ratio of carboxylated Graphene.
3. the preparation method of the impervious specialist additive of concrete anticracking described in a claim 1, it is characterised in that: described system
Preparation Method comprises the steps: the sodium carboxymethyl cellulose measured and carboxylated Graphene, oxide powder and zinc, activated carbon and receives
Meter level is slight, and dicalcium powder feeding blender mixes, and metering is assigned in packaging bag as required, then by required polyester fiber
Metering puts into have installed to seal in powder bag and is finished product.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517933A (en) * | 2016-10-13 | 2017-03-22 | 浙江长兴恒基科技有限公司 | Anti-seepage filled-type lightweight aggregate thermal insulation concrete and preparation process thereof |
| CN106587714A (en) * | 2016-12-08 | 2017-04-26 | 江苏苏博特新材料股份有限公司 | Crack-resistant penetration-resistant agent for concrete and preparation method of crack-resistant penetration-resistant agent for concrete |
| CN106746834A (en) * | 2016-11-28 | 2017-05-31 | 中铁十二局集团有限公司 | A kind of graphene-based nanocrystal class early strength agent and preparation method thereof |
| CN106986575A (en) * | 2017-04-20 | 2017-07-28 | 耿晓滨 | A kind of high-effective concrete performance-enhancing additive and preparation method thereof |
| CN107176799A (en) * | 2017-05-25 | 2017-09-19 | 成都新柯力化工科技有限公司 | A kind of graphene crystallizes the active masterbatch of waterproof and preparation method certainly |
| CN107216074A (en) * | 2017-05-26 | 2017-09-29 | 如皋市磨头建设开发有限公司 | A kind of concrete repair cement slurry |
| CN107352841A (en) * | 2017-08-29 | 2017-11-17 | 南通成山高分子材料有限公司 | A kind of concrete additive |
| CN107555834A (en) * | 2017-08-29 | 2018-01-09 | 南通成山高分子材料有限公司 | A kind of preparation technology of concrete additive |
| CN108033704A (en) * | 2017-11-10 | 2018-05-15 | 南通不二环境科技有限公司 | A kind of concrete additive |
| CN108059380A (en) * | 2017-11-13 | 2018-05-22 | 南通不二环境科技有限公司 | A kind of preparation method of concrete additive |
| CN108101409A (en) * | 2017-11-10 | 2018-06-01 | 南通不二环境科技有限公司 | A kind of new concrete additive |
| CN108585577A (en) * | 2018-07-05 | 2018-09-28 | 南通不二环境科技有限公司 | A kind of concrete anti-crack and anti-seepage agent |
| CN108689630A (en) * | 2018-06-06 | 2018-10-23 | 周冲爱 | A kind of concrete anticracking enhancing additive and preparation method thereof |
| CN108751776A (en) * | 2018-07-03 | 2018-11-06 | 南通不二环境科技有限公司 | A kind of waterproofing and anti-leakage composite material for concrete |
| CN109761531A (en) * | 2019-03-08 | 2019-05-17 | 安徽信息工程学院 | A kind of building additive material and preparation method thereof |
| CN110981264A (en) * | 2019-12-24 | 2020-04-10 | 重庆高途新材料科技有限公司 | Nano bulk concrete anti-cracking agent and preparation method thereof |
| CN113501676A (en) * | 2021-09-01 | 2021-10-15 | 不二新材料科技有限公司 | Concrete hydration temperature regulating agent |
| CN115650206A (en) * | 2022-11-28 | 2023-01-31 | 生物炭建材有限公司 | Preparation method and application of biochar-based additive for improving concrete shrinkage performance |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517933A (en) * | 2016-10-13 | 2017-03-22 | 浙江长兴恒基科技有限公司 | Anti-seepage filled-type lightweight aggregate thermal insulation concrete and preparation process thereof |
| CN106746834B (en) * | 2016-11-28 | 2018-12-14 | 中铁十二局集团有限公司 | A kind of graphene-based nanocrystal class early strength agent and preparation method thereof |
| CN106746834A (en) * | 2016-11-28 | 2017-05-31 | 中铁十二局集团有限公司 | A kind of graphene-based nanocrystal class early strength agent and preparation method thereof |
| CN106587714A (en) * | 2016-12-08 | 2017-04-26 | 江苏苏博特新材料股份有限公司 | Crack-resistant penetration-resistant agent for concrete and preparation method of crack-resistant penetration-resistant agent for concrete |
| CN106587714B (en) * | 2016-12-08 | 2019-08-20 | 江苏苏博特新材料股份有限公司 | A kind of concrete anticracking impervious agent and preparation method thereof |
| CN106986575A (en) * | 2017-04-20 | 2017-07-28 | 耿晓滨 | A kind of high-effective concrete performance-enhancing additive and preparation method thereof |
| CN106986575B (en) * | 2017-04-20 | 2019-03-26 | 江苏汉普顿新材料科技有限公司 | A kind of high-effective concrete performance-enhancing additive and preparation method thereof |
| CN107176799A (en) * | 2017-05-25 | 2017-09-19 | 成都新柯力化工科技有限公司 | A kind of graphene crystallizes the active masterbatch of waterproof and preparation method certainly |
| CN107216074A (en) * | 2017-05-26 | 2017-09-29 | 如皋市磨头建设开发有限公司 | A kind of concrete repair cement slurry |
| CN107352841A (en) * | 2017-08-29 | 2017-11-17 | 南通成山高分子材料有限公司 | A kind of concrete additive |
| CN107555834A (en) * | 2017-08-29 | 2018-01-09 | 南通成山高分子材料有限公司 | A kind of preparation technology of concrete additive |
| CN108033704A (en) * | 2017-11-10 | 2018-05-15 | 南通不二环境科技有限公司 | A kind of concrete additive |
| CN108101409A (en) * | 2017-11-10 | 2018-06-01 | 南通不二环境科技有限公司 | A kind of new concrete additive |
| CN108059380A (en) * | 2017-11-13 | 2018-05-22 | 南通不二环境科技有限公司 | A kind of preparation method of concrete additive |
| CN108689630A (en) * | 2018-06-06 | 2018-10-23 | 周冲爱 | A kind of concrete anticracking enhancing additive and preparation method thereof |
| CN108751776B (en) * | 2018-07-03 | 2019-05-03 | 南通不二环境科技有限公司 | A kind of waterproofing and anti-leakage composite material for concrete |
| CN108751776A (en) * | 2018-07-03 | 2018-11-06 | 南通不二环境科技有限公司 | A kind of waterproofing and anti-leakage composite material for concrete |
| CN108585577A (en) * | 2018-07-05 | 2018-09-28 | 南通不二环境科技有限公司 | A kind of concrete anti-crack and anti-seepage agent |
| CN109761531A (en) * | 2019-03-08 | 2019-05-17 | 安徽信息工程学院 | A kind of building additive material and preparation method thereof |
| CN110981264A (en) * | 2019-12-24 | 2020-04-10 | 重庆高途新材料科技有限公司 | Nano bulk concrete anti-cracking agent and preparation method thereof |
| CN110981264B (en) * | 2019-12-24 | 2022-03-11 | 重庆高途新材料科技有限公司 | Nano bulk concrete anti-cracking agent and preparation method thereof |
| CN113501676A (en) * | 2021-09-01 | 2021-10-15 | 不二新材料科技有限公司 | Concrete hydration temperature regulating agent |
| CN113501676B (en) * | 2021-09-01 | 2022-04-29 | 不二新材料科技有限公司 | Concrete hydration temperature regulating agent |
| CN115650206A (en) * | 2022-11-28 | 2023-01-31 | 生物炭建材有限公司 | Preparation method and application of biochar-based additive for improving concrete shrinkage performance |
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