CN110698119A - Concrete containing antifreezing agent and preparation method thereof - Google Patents
Concrete containing antifreezing agent and preparation method thereof Download PDFInfo
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- CN110698119A CN110698119A CN201911012892.6A CN201911012892A CN110698119A CN 110698119 A CN110698119 A CN 110698119A CN 201911012892 A CN201911012892 A CN 201911012892A CN 110698119 A CN110698119 A CN 110698119A
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- concrete
- antifreezing agent
- antifreezing
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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
- 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
-
- 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
-
- 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
- C04B2103/601—Agents for increasing frost resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses concrete containing an antifreezing agent, wherein each cubic meter of the antifreezing concrete consists of the following raw materials in parts by weight: 100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum. The antifreezing concrete can increase the antifreezing performance of the concrete, and has wider application range. The preparation method comprises the following steps: step 1, preparing materials according to the proportion of the raw materials, and step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer; step 3, pouring the medium sand and the broken stones into a stirrer; and 4, adding carborundum, and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
Description
Technical Field
The invention belongs to the technical field of concrete preparation, and particularly relates to concrete containing an antifreezing agent; the invention also relates to a preparation method of the concrete containing the antifreezing agent.
Background
The duration in winter is long in northern China and Qinghai-Tibet plateau areas, and along with the development of engineering construction, long cold temperature brings a plurality of problems to concrete winter construction. In winter concrete construction, because the temperature of concrete is different from the outside temperature, heat exchange can be generated between the concrete and the ambient temperature, when the ambient temperature is very low, the temperature of the concrete can be quickly reduced by the heat exchange, for fresh concrete, the speed of temperature reduction determines the hydration temperature, the faster the temperature reduction is, the slower the strength of the concrete is increased, when the concrete is frozen too early, the strength can not be increased, the free moisture in the concrete is also higher, the frozen expansive force is larger, and the concrete is easy to damage.
At present, most of the concrete in the market is antifreezing, and the concrete antifreezing agent is also abundant, but most of the concrete antifreezing agent is high in cost, the antifreezing effect is not obvious, and the preparation method is complicated.
Disclosure of Invention
The invention aims to provide concrete containing an antifreezing agent, which can increase the freezing resistance of the concrete and has wider application range.
Another object of the present invention is to provide a method for preparing concrete containing an antifreeze.
The technical scheme adopted by the invention is that the concrete containing the antifreezing agent comprises the following raw materials in parts by weight per cubic meter:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum.
The present invention is also characterized in that,
the antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, and the mass ratio of the methanol, the polyacrylamide, the ethanol, the sodium sulfosuccinate, the sodium nitrite and the boric acid is 6: 3: 4: 3: 1: 0.5-1.
The other technical scheme adopted by the invention is as follows:
a preparation method of concrete containing an antifreezing agent comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 30-50 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 20-30 s;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
The present invention is also characterized in that,
the antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid.
The mass ratio of the methanol to the polyacrylamide to the ethanol to the sodium sulfosuccinate to the sodium nitrite to the boric acid is 6: 3: 4: 3: 1: 0.5-1.
The antifreezing concrete has the beneficial effects that the antifreezing concrete is longer in service life, is suitable for construction in a low-temperature environment, is harmless and is lower in price; the preparation method is simple to operate and easy to construct.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides concrete containing an antifreezing agent, wherein each cubic meter of the antifreezing concrete consists of the following raw materials in parts by weight:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum.
The antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, and the mass ratio of the methanol, the polyacrylamide, the ethanol, the sodium sulfosuccinate, the sodium nitrite and the boric acid is 6: 3: 4: 3: 1: 0.5-1.
The invention provides a preparation method of the concrete containing the antifreezing agent, which comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 30-50 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 20-30 s;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
The antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid.
The mass ratio of the methanol to the polyacrylamide to the ethanol to the sodium sulfosuccinate to the sodium nitrite to the boric acid is 6: 3: 4: 3: 1: 0.5-1.
Example 1
A preparation method of concrete containing an antifreezing agent comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
100kg of water, 200kg of cement, 80kg of red mud, 30kg of artificial sand, 200kg of diatom ooze powder, 500kg of medium sand, 150kg of broken stone, 7kg of antifreezing agent and 50g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 30 ss;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 20 ss;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
The antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, and the mass ratio of the methanol, the polyacrylamide, the ethanol, the sodium sulfosuccinate, the sodium nitrite and the boric acid is 6: 3: 4: 3: 1: 0.5.
Example 2
A preparation method of concrete containing an antifreezing agent comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
120kg of water, 300kg of cement, 90kg of red mud, 5kg of artificial sand, 400kg of diatom ooze powder, 550kg of medium sand, 200kg of broken stone, 9kg of antifreezing agent and 80g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 50 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 30 s;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
The antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, wherein the mass ratio of the methanol, the polyacrylamide, the ethanol, the sodium sulfosuccinate, the sodium nitrite and the boric acid is 6: 3: 4: 3: 1.
Example 3
A preparation method of concrete containing an antifreezing agent comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
110kg of water, 240kg of cement, 85kg of red mud, 40kg of artificial sand, 300kg of diatom ooze powder, 520kg of medium sand, 160kg of broken stone, 8kg of antifreezing agent and 60g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 40 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 25 s;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
The antifreezing agent is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, and the mass ratio of the methanol, the polyacrylamide, the ethanol, the sodium sulfosuccinate, the sodium nitrite and the boric acid is 6: 3: 4: 3: 1: 0.6.
Comparative example
A preparation method of concrete containing an antifreezing agent comprises the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
110kg of water, 240kg of cement, 85kg of red mud, 40kg of artificial sand, 300kg of diatom ooze powder, 520kg of medium sand, 160kg of broken stone and 60g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 40 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 25 s;
and 4, adding carborundum and stirring for 30 s.
After the fresh concrete in examples 1 to 3 and the comparative example was prepared, a certain amount of fresh mixed concrete was taken, and the slump of the fresh concrete was tested according to the requirements of the Specification "Standard methods for testing mechanical Properties on ordinary concrete"; adding the concrete into a steel test mould, moving the steel test mould on a vibration table for vibration for 30s until the surface of the concrete is full of slurry. And (3) standing at room temperature for 24 hours, then removing the mold, and then placing the concrete sample into a standard curing box, wherein the temperature of the curing box is set to be 20 ℃, and the humidity is set to be 98%. And after curing for 28d, taking out the test piece for testing. And respectively carrying out labeling on different test pieces to measure the mechanical property and the frost resistance of the concrete.
TABLE 1 test results of mechanical properties and anti-freezing properties of the concrete of the above examples 1 to 3 and comparative examples
The compressive strength and the splitting tensile strength in the embodiments 1 to 3 are increased, and for the frost resistance of the anti-freezing concrete, compared with a comparative example, the frost resistance of the concrete in the embodiments 1 to 3 is improved, and the change rule is similar to the mechanical property.
Claims (5)
1. The concrete containing the antifreezing agent is characterized in that each cubic meter of the antifreezing concrete consists of the following raw materials in percentage by weight:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum.
2. The concrete containing the antifreeze as set forth in claim 1, wherein the antifreeze is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid, and the mass ratio of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid is 6: 3: 4: 3: 1: 0.5-1.
3. The preparation method of the concrete containing the antifreezing agent is characterized by comprising the following steps:
step 1, preparing materials according to the following mixture ratio of raw materials,
the concrete per cubic meter is composed of the following raw materials in proportion:
100-120 kg of water, 200-300 kg of cement, 80-90 kg of red mud, 30-45 kg of artificial sand, 200-400 kg of diatom ooze powder, 500-550 kg of medium sand, 150-200 kg of broken stone, 7-9 kg of anti-freezing agent and 50-80 g of carborundum;
step 2, pouring 70% of the total amount of tap water, cement, red mud, artificial sand and diatom ooze powder into a concrete mixer, and stirring for 30-50 s;
step 3, pouring the medium sand and the broken stone into a stirrer, and stirring for 20-30 s;
step 4, adding carborundum and stirring for 30 s;
and 5, mixing the antifreezing agent with the rest 30% tap water, pouring into a stirrer, and stirring for 60s to obtain the antifreezing agent.
4. The concrete containing the antifreeze as set forth in claim 3, wherein the antifreeze is a mixture of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid.
5. The concrete containing the antifreeze as set forth in claim 4, wherein the mass ratio of methanol, polyacrylamide, ethanol, sodium sulfosuccinate, sodium nitrite and boric acid is 6: 3: 4: 3: 1: 0.5-1.
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| CN201911012892.6A CN110698119A (en) | 2019-10-23 | 2019-10-23 | Concrete containing antifreezing agent and preparation method thereof |
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| CN201911012892.6A CN110698119A (en) | 2019-10-23 | 2019-10-23 | Concrete containing antifreezing agent and preparation method thereof |
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Citations (5)
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| WO2009095325A1 (en) * | 2008-02-01 | 2009-08-06 | Construction Research & Technology Gmbh | Fluid, fluorine-containing and single-component composition |
| CN102815901A (en) * | 2012-08-31 | 2012-12-12 | 中铁二十局集团有限公司 | Ultralow-temperature high-performance concrete for railway construction in severe cold regions and preparation technique thereof |
| CN105174831A (en) * | 2015-07-29 | 2015-12-23 | 安徽砼宇特构科技有限公司 | Antifreezing concrete and preparation method therefor |
| CN105272042A (en) * | 2015-11-02 | 2016-01-27 | 中国三冶集团有限公司 | Anti-freezing and anti-cracking concrete |
| CN109293301A (en) * | 2018-09-25 | 2019-02-01 | 李鹏宇 | A kind of frost-resistant concrete |
-
2019
- 2019-10-23 CN CN201911012892.6A patent/CN110698119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009095325A1 (en) * | 2008-02-01 | 2009-08-06 | Construction Research & Technology Gmbh | Fluid, fluorine-containing and single-component composition |
| CN102815901A (en) * | 2012-08-31 | 2012-12-12 | 中铁二十局集团有限公司 | Ultralow-temperature high-performance concrete for railway construction in severe cold regions and preparation technique thereof |
| CN105174831A (en) * | 2015-07-29 | 2015-12-23 | 安徽砼宇特构科技有限公司 | Antifreezing concrete and preparation method therefor |
| CN105272042A (en) * | 2015-11-02 | 2016-01-27 | 中国三冶集团有限公司 | Anti-freezing and anti-cracking concrete |
| CN109293301A (en) * | 2018-09-25 | 2019-02-01 | 李鹏宇 | A kind of frost-resistant concrete |
Non-Patent Citations (2)
| Title |
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| 中国建筑业协会: "《房屋建筑工程技术》", 31 August 2004, 中国建筑工业出版社 * |
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Application publication date: 20200117 |