CN113004012A - Anti-cracking and anti-freezing concrete and preparation method thereof - Google Patents
Anti-cracking and anti-freezing concrete and preparation method thereof Download PDFInfo
- Publication number
- CN113004012A CN113004012A CN202110477051.3A CN202110477051A CN113004012A CN 113004012 A CN113004012 A CN 113004012A CN 202110477051 A CN202110477051 A CN 202110477051A CN 113004012 A CN113004012 A CN 113004012A
- Authority
- CN
- China
- Prior art keywords
- parts
- fly ash
- bead
- nano
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A crack-resistant and frost-resistant concrete and a preparation method thereof, wherein a net-shaped supporting system is formed in the concrete through fly ash bead strings and nano silicon dioxide bead nets to delay and prevent early plastic cracks of the concrete caused by plastic shrinkage, and the early plastic cracks can play a role in drawing the interior of the concrete, so that the crack resistance of the concrete is obviously improved; the polydimethylsiloxane is introduced, so that the size of air holes in the concrete is greatly reduced, the mechanical strength of the concrete can be improved while the weight of the concrete is reduced, the acrylic emulsion can gradually generate acrylic resin after reaction to fill gaps in the concrete, and the cracking resistance of the concrete is improved while the strong mechanical resistance of the concrete is given; the addition of the sodium dodecyl benzene sulfonate enables the concrete to have certain frost resistance, does not generate steel bar corrosion, can be used at the temperature of minus 10 ℃, and has good durability; the invention has the advantages of convenient preparation, crack resistance, frost resistance and strong practicability.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to anti-cracking and anti-freezing concrete and a preparation method thereof.
Background
Concrete is the largest building engineering material at present, and high-performance concrete represents the development direction of concrete technology. In recent years, with the vigorous development of the domestic construction industry, the requirements for the strength and crack resistance of concrete consumed in the construction process are continuously improved, but the inherent weaknesses of the concrete are that the toughness is deteriorated, the brittleness is improved, cracks are easily generated, the performance is reduced due to the appearance and the expansion of the cracks, the service life is shortened, meanwhile, under the condition of low temperature, the moisture in the concrete is frozen, the volume is increased after the freezing, the surface of a building structure is peeled off, and the application of the concrete is limited.
Disclosure of Invention
In order to solve the problems of the prior art, the invention aims to provide the anti-cracking and anti-freezing concrete and the preparation method thereof, the concrete with excellent anti-cracking performance and anti-freezing performance can be prepared, and the prepared concrete has higher strength.
In order to achieve the purpose, the invention adopts the technical scheme that:
the anti-cracking antifreeze concrete comprises the following raw materials in parts by weight:
90-100 parts of ordinary portland cement, 30-40 parts of quartz sand, 20-30 parts of fly ash bead strings, 5-10 parts of nano silica bead nets, 10-15 parts of acrylic emulsion, 10-15 parts of silicon powder, 2-4 parts of sodium dodecyl benzene sulfonate, 1-2 parts of triisopropanolamine, 3-6 parts of sodium lignosulfonate, 0.5-1.5 parts of polydimethylsiloxane and 30-50 parts of water.
The fly ash bead string is formed by serially connecting fly ash through high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 4-6: 1.
The nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5-3.5: 1.
The preparation method of the anti-cracking and anti-freezing concrete specifically comprises the following steps:
s1, weighing the components according to the formula;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.8-1 MPa, adding the mixture obtained in the step S3 under the pressure of 0.8-1 MPa, uniformly stirring, conveying the obtained mixture into a finished product homogenizing cabin by using a lifting machine, and homogenizing the mixture by using air generated at the bottom of the homogenizing cabin.
The invention has the following beneficial effects:
the fly ash bead strings and the nano silicon dioxide bead nets form a net-shaped supporting system in the concrete to delay and prevent early plastic cracks of the concrete caused by plastic shrinkage, and can play a role in drawing in the concrete, so that the crack resistance of the concrete is obviously improved; the introduction of the polydimethylsiloxane greatly reduces the size of air holes in the concrete, the mechanical strength of the concrete can be improved while the weight of the concrete is reduced, the acrylic emulsion can gradually generate acrylic resin after reaction to fill gaps in the concrete, and the crack resistance of the concrete is improved while the strong mechanical resistance of the concrete is given; the addition of the sodium dodecyl benzene sulfonate enables the concrete to have certain frost resistance, does not generate steel bar corrosion, can be used at the temperature of minus 10 ℃, and has good durability.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The anti-cracking antifreeze concrete comprises the following raw materials in parts by weight:
90 parts of ordinary portland cement, 30 parts of quartz sand, 20 parts of fly ash bead strings, 5 parts of nano silica bead nets, 10 parts of acrylic emulsion, 10 parts of silica powder, 2 parts of sodium dodecyl benzene sulfonate, 1 part of triisopropanolamine, 3 parts of sodium lignosulfonate, 0.5 part of polydimethylsiloxane and 30 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 4: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
The preparation method of the anti-cracking and anti-freezing concrete specifically comprises the following steps:
s1, weighing the following components in parts by weight: 90 parts of ordinary portland cement, 30 parts of quartz sand, 20 parts of fly ash bead strings, 5 parts of nano silica bead nets, 10 parts of acrylic emulsion, 10 parts of silica powder, 2 parts of sodium dodecyl benzene sulfonate, 1 part of triisopropanolamine, 3 parts of sodium lignosulfonate, 0.5 part of polydimethylsiloxane and 30 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.8MPa, adding the mixture under the pressure of 0.8MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing cabin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing cabin to obtain the finished product;
example 2
The anti-cracking antifreeze concrete comprises the following raw materials in parts by weight:
100 parts of ordinary portland cement, 40 parts of quartz sand, 30 parts of fly ash bead strings, 10 parts of nano silica bead nets, 15 parts of acrylic emulsion, 15 parts of silicon powder, 4 parts of sodium dodecyl benzene sulfonate, 2 parts of triisopropanolamine, 6 parts of sodium lignosulfonate, 1.5 parts of polydimethylsiloxane and 50 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 6: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
The preparation method of the anti-cracking and anti-freezing concrete specifically comprises the following steps:
s1, weighing the following components in parts by weight: 100 parts of ordinary portland cement, 40 parts of quartz sand, 30 parts of fly ash bead strings, 10 parts of nano silica bead nets, 15 parts of acrylic emulsion, 15 parts of silicon powder, 4 parts of sodium dodecyl benzene sulfonate, 2 parts of triisopropanolamine, 6 parts of sodium lignosulfonate, 1.5 parts of polydimethylsiloxane and 50 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.9MPa, adding the mixture under the pressure of 0.9MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing cabin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing cabin to obtain the finished product.
Example 3
The anti-cracking antifreeze concrete comprises the following raw materials in parts by weight:
95 parts of ordinary portland cement, 35 parts of quartz sand, 25 parts of fly ash bead strings, 7.5 parts of nano silica bead nets, 12.5 parts of acrylic emulsion, 12.5 parts of silica powder, 3 parts of sodium dodecyl benzene sulfonate, 1.5 parts of triisopropanolamine, 4.5 parts of sodium lignin sulfonate, 1 part of polydimethylsiloxane and 40 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 5: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
The preparation method of the anti-cracking and anti-freezing concrete specifically comprises the following steps:
s1, weighing the following components in parts by weight: 95 parts of ordinary portland cement, 35 parts of quartz sand, 25 parts of fly ash bead strings, 7.5 parts of nano silica bead nets, 12.5 parts of acrylic emulsion, 12.5 parts of silica powder, 3 parts of sodium dodecyl benzene sulfonate, 1.5 parts of triisopropanolamine, 4.5 parts of sodium lignin sulfonate, 1 part of polydimethylsiloxane and 40 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 1MPa, adding the mixture under the pressure of 1MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing bin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing bin to obtain the finished product;
and (3) performance detection:
compressive strength and cleavage compressive strength: manufacturing a standard test block according to GB/T50081-2002 Standard of mechanical property test methods for common concrete, and measuring the compressive strength and the splitting compressive strength of the standard test block after being cured for 28 days; 10 concrete standard test blocks are prepared in each example, and the test results of the concrete test blocks prepared by the same method are averaged;
the crack resistance test is carried out by referring to a flat plate method in CCES01-2004 'concrete structure durability design and construction guide', the test tests the cracking condition of each grade of concrete 2d after the curing agent is sprayed under outdoor insolation conditions, the cracking area is calculated, and the result is represented by the crack resistance grade.
The frost resistance rating: according to the specification of the slow freezing method in the national standard GB/T50082-2009 test method standard for the long-term performance and the durability of the common concrete, the anti-freezing concrete in the examples 1-3 is respectively prepared into cubic test pieces with the size of 100mm x 100nmm, 5 test pieces are prepared for each group of test pieces, and after the test pieces are maintained in a standard maintenance room with the temperature of 20 ℃ and the relative humidity of 95% for 24 days, the test pieces are taken out in advance and are placed in water with the temperature of 20 ℃ for soaking. And when the test piece is soaked, the height of the test piece is 25mm higher than the top surface of the test piece, the time for soaking the test piece in water is 4d, and when the maintenance age of the test piece reaches 28d, the freeze-thaw test is directly carried out on the test piece.
And (3) detection results:
the foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides an anti frost concrete that ftractures which characterized in that: the feed comprises the following raw materials in parts by weight:
90-100 parts of ordinary portland cement, 30-40 parts of quartz sand, 20-30 parts of fly ash bead strings, 5-10 parts of nano silica bead nets, 10-15 parts of acrylic emulsion, 10-15 parts of silicon powder, 2-4 parts of sodium dodecyl benzene sulfonate, 1-2 parts of triisopropanolamine, 3-6 parts of sodium lignosulfonate, 0.5-1.5 parts of polydimethylsiloxane and 30-50 parts of water.
2. The crack and freeze resistant concrete according to claim 1, wherein: the fly ash bead string is formed by serially connecting fly ash through high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 4-6: 1.
3. The crack and freeze resistant concrete according to claim 1, wherein: the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5-3.5: 1.
4. A preparation method of anti-cracking antifreeze concrete is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, weighing the following components in parts by weight: 90-100 parts of ordinary portland cement, 30-40 parts of quartz sand, 20-30 parts of fly ash bead strings, 5-10 parts of nano silica bead nets, 10-15 parts of acrylic emulsion, 10-15 parts of silicon powder, 2-4 parts of sodium dodecyl benzene sulfonate, 1-2 parts of triisopropanolamine, 3-6 parts of sodium lignosulfonate, 0.5-1.5 parts of polydimethylsiloxane and 30-50 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.8-1 MPa, adding the mixture obtained in the step S3 under the pressure of 0.8-1 MPa, uniformly stirring, conveying the obtained mixture into a finished product homogenizing cabin by using a lifting machine, and homogenizing the mixture by using air generated at the bottom of the homogenizing cabin.
5. The crack and freeze resistant concrete according to claim 1, wherein: the feed comprises the following raw materials in parts by weight:
90 parts of ordinary portland cement, 30 parts of quartz sand, 20 parts of fly ash bead strings, 5 parts of nano silica bead nets, 10 parts of acrylic emulsion, 10 parts of silica powder, 2 parts of sodium dodecyl benzene sulfonate, 1 part of triisopropanolamine, 3 parts of sodium lignosulfonate, 0.5 part of polydimethylsiloxane and 30 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 4: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
6. The method for preparing the crack-resistant and frost-resistant concrete according to claim 4, wherein the method comprises the following steps: the method specifically comprises the following steps:
s1, weighing the following components in parts by weight: 90 parts of ordinary portland cement, 30 parts of quartz sand, 20 parts of fly ash bead strings, 5 parts of nano silica bead nets, 10 parts of acrylic emulsion, 10 parts of silica powder, 2 parts of sodium dodecyl benzene sulfonate, 1 part of triisopropanolamine, 3 parts of sodium lignosulfonate, 0.5 part of polydimethylsiloxane and 30 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.8MPa, adding the mixture under the pressure of 0.8MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing cabin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing cabin to obtain the finished product.
7. The crack and freeze resistant concrete according to claim 1, wherein: the feed comprises the following raw materials in parts by weight:
100 parts of ordinary portland cement, 40 parts of quartz sand, 30 parts of fly ash bead strings, 10 parts of nano silica bead nets, 15 parts of acrylic emulsion, 15 parts of silicon powder, 4 parts of sodium dodecyl benzene sulfonate, 2 parts of triisopropanolamine, 6 parts of sodium lignosulfonate, 1.5 parts of polydimethylsiloxane and 50 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 6: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
8. The method for preparing the crack-resistant and frost-resistant concrete according to claim 4, wherein the method comprises the following steps: the preparation method of the anti-cracking and anti-freezing concrete specifically comprises the following steps:
s1, weighing the following components in parts by weight: 100 parts of ordinary portland cement, 40 parts of quartz sand, 30 parts of fly ash bead strings, 10 parts of nano silica bead nets, 15 parts of acrylic emulsion, 15 parts of silicon powder, 4 parts of sodium dodecyl benzene sulfonate, 2 parts of triisopropanolamine, 6 parts of sodium lignosulfonate, 1.5 parts of polydimethylsiloxane and 50 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 0.9MPa, adding the mixture under the pressure of 0.9MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing cabin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing cabin to obtain the finished product.
9. The crack and freeze resistant concrete according to claim 1, wherein: the feed comprises the following raw materials in parts by weight:
95 parts of ordinary portland cement, 35 parts of quartz sand, 25 parts of fly ash bead strings, 7.5 parts of nano silica bead nets, 12.5 parts of acrylic emulsion, 12.5 parts of silica powder, 3 parts of sodium dodecyl benzene sulfonate, 1.5 parts of triisopropanolamine, 4.5 parts of sodium lignin sulfonate, 1 part of polydimethylsiloxane and 40 parts of water;
the fly ash bead string is formed by serially connecting fly ash with high-strength steel-like wire fibers, and the mass ratio of the fly ash to the high-strength steel-like wire fibers is 5: 1;
the nano-silica bead net takes polypropylene reticular fibers as a carrier, nano-silica beads are adhered to the polypropylene reticular fibers, and the mass ratio of the nano-silica beads to the polypropylene reticular fibers is 2.5: 1.
10. The method for preparing the crack-resistant and frost-resistant concrete according to claim 4, wherein the method comprises the following steps: the method specifically comprises the following steps:
s1, weighing the following components in parts by weight: 95 parts of ordinary portland cement, 35 parts of quartz sand, 25 parts of fly ash bead strings, 7.5 parts of nano silica bead nets, 12.5 parts of acrylic emulsion, 12.5 parts of silica powder, 3 parts of sodium dodecyl benzene sulfonate, 1.5 parts of triisopropanolamine, 4.5 parts of sodium lignin sulfonate, 1 part of polydimethylsiloxane and 40 parts of water;
s2, dispersing the weighed fly ash bead strings and nano silicon dioxide bead nets in 1/2 of water through ultrasonic waves to form suspension;
s3, mixing and stirring the weighed ordinary portland cement, quartz sand and silicon powder with 1/2 of water uniformly to obtain a mixture;
s4, uniformly stirring the weighed sodium dodecyl benzene sulfonate, triisopropanolamine, polydimethylsiloxane and sodium lignosulfonate with the suspension obtained in the step S2 under the pressure of 1MPa, adding the mixture under the pressure of 1MPa, uniformly stirring, conveying the mixture obtained in the step S3 into a finished product homogenizing cabin by using a lifting machine, and homogenizing the air generated at the bottom of the homogenizing cabin to obtain the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110477051.3A CN113004012A (en) | 2021-04-29 | 2021-04-29 | Anti-cracking and anti-freezing concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110477051.3A CN113004012A (en) | 2021-04-29 | 2021-04-29 | Anti-cracking and anti-freezing concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113004012A true CN113004012A (en) | 2021-06-22 |
Family
ID=76380821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110477051.3A Pending CN113004012A (en) | 2021-04-29 | 2021-04-29 | Anti-cracking and anti-freezing concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113004012A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072041A (en) * | 2014-06-27 | 2014-10-01 | 长安大学 | Impermeable anti-cracking concrete |
| CN108046704A (en) * | 2017-12-21 | 2018-05-18 | 芜湖铁路桥梁制造有限公司 | It is a kind of for grouting material of railway bridge bearing and preparation method thereof |
| WO2019036553A1 (en) * | 2017-08-17 | 2019-02-21 | Saudi Arabian Oil Company | Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester |
| CN112358259A (en) * | 2020-11-27 | 2021-02-12 | 重庆水利电力职业技术学院 | Silicon-aluminum-based lightweight concrete material and preparation method thereof |
| CN112707706A (en) * | 2020-12-31 | 2021-04-27 | 杭州鼎昇建材有限公司 | Antifreezing and impervious concrete and preparation process thereof |
-
2021
- 2021-04-29 CN CN202110477051.3A patent/CN113004012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072041A (en) * | 2014-06-27 | 2014-10-01 | 长安大学 | Impermeable anti-cracking concrete |
| WO2019036553A1 (en) * | 2017-08-17 | 2019-02-21 | Saudi Arabian Oil Company | Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester |
| CN108046704A (en) * | 2017-12-21 | 2018-05-18 | 芜湖铁路桥梁制造有限公司 | It is a kind of for grouting material of railway bridge bearing and preparation method thereof |
| CN112358259A (en) * | 2020-11-27 | 2021-02-12 | 重庆水利电力职业技术学院 | Silicon-aluminum-based lightweight concrete material and preparation method thereof |
| CN112707706A (en) * | 2020-12-31 | 2021-04-27 | 杭州鼎昇建材有限公司 | Antifreezing and impervious concrete and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 阳知乾等: "纳米SiO2改性纤维在水泥基材料中的应用", 《东南大学学报(自然科学版)》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110790552B (en) | Waste brick regenerated ultrahigh-toughness mixture and preparation method and application thereof | |
| CN114591049B (en) | Method for preparing green mortar by using construction waste | |
| CN110922118A (en) | All-light high-strength concrete for assembled components and preparation method thereof | |
| CN107352842B (en) | High-early-strength polycarboxylate-type water reducing agent for subway pipe piece concrete | |
| CN110835251A (en) | Ultrahigh-performance concrete and preparation method thereof | |
| CN115140974A (en) | 200 MPa-grade steam-curing-free ultrahigh-performance concrete containing coarse aggregate and preparation method thereof | |
| CN112321237A (en) | Solid waste fly ash high-strength foam concrete and preparation method thereof | |
| CN112409016A (en) | High-strength foam concrete and preparation method thereof | |
| CN110818354A (en) | Ceramic particle-doped ultrahigh-performance concrete and preparation method thereof | |
| CN113480271A (en) | Concrete pavement repairing material | |
| CN112592133A (en) | Flexible early-strength concrete and preparation method thereof | |
| CN113896483A (en) | Anti-crack concrete and preparation method thereof | |
| CN114230282A (en) | High-durability polypropylene fiber polymer modified repair mortar and preparation method thereof | |
| CN115403295A (en) | Green carbon-reducing concrete additive, green carbon-reducing concrete and preparation method | |
| CN113698154A (en) | High-crack-resistance concrete for building and manufacturing method thereof | |
| CN113636802A (en) | Ultrahigh-performance concrete and preparation method thereof | |
| CN113216505A (en) | High-strength PC component for prefabricated house | |
| CN111848068A (en) | Rapid repair mortar for horizontal surface defects and preparation method thereof | |
| CN113004012A (en) | Anti-cracking and anti-freezing concrete and preparation method thereof | |
| CN115259893A (en) | Light environment-friendly building material | |
| CN108275940A (en) | A kind of non-evaporating foster tubular pile concrete and its application in pile pile preparation | |
| CN114249570A (en) | NiTi alloy fiber concrete and preparation method thereof | |
| CN113072339A (en) | Preparation method of high-toughness cement-based composite material | |
| CN113443874A (en) | Nano calcium carbonate and polypropylene fiber synergistically enhanced recycled concrete and preparation method thereof | |
| CN116102319B (en) | Composite fiber reinforced concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |