CN112408885A - High-strength waterproof concrete and preparation method thereof - Google Patents
High-strength waterproof concrete and preparation method thereof Download PDFInfo
- Publication number
- CN112408885A CN112408885A CN202011351487.XA CN202011351487A CN112408885A CN 112408885 A CN112408885 A CN 112408885A CN 202011351487 A CN202011351487 A CN 202011351487A CN 112408885 A CN112408885 A CN 112408885A
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- parts
- concrete
- strength waterproof
- waterproof concrete
- cement
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Classifications
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
- 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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- 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
The high-strength waterproof concrete is characterized by comprising the following components in parts by weight: 500 portions of cement 300-. The concrete obtained by the invention is introduced with carbon fiber particles and vitrified micro bubbles, and has ultrahigh strength, thereby enhancing the wear resistance and strength of the concrete.
Description
Technical Field
The invention belongs to the technical field of concrete materials, and particularly relates to high-strength waterproof concrete and a preparation method thereof.
Background
In the field of high performance concrete research, strength, water resistance and abrasion resistance are among the main properties investigated. At present, the important achievement in the aspect of improving the strength of concrete is that through the selection of the mixture ratio of raw materials, nano calcium carbonate, cement and silica fume are introduced, and the compressive strength of the concrete is mostly about 120 MPa. However, it does not improve the abrasion resistance and water resistance of concrete.
Disclosure of Invention
The invention aims to provide high-strength waterproof concrete and a preparation method thereof, so as to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the high-strength waterproof concrete comprises the following components in parts by weight: 500 portions of cement 300-.
Further, the concrete comprises the following components in parts by weight: 400 parts of cement, 17.5 parts of ceramsite, 150 parts of fly ash, 22 parts of vitrified micro-beads, 830 parts of recycled aggregate, 70 parts of carbon fibers and 400 parts of water.
Further, the vitrified small balls are 30-60 meshes of vitrified small balls.
Furthermore, the diameter of the carbon fiber is 0.1-0.15mm, and the length is 10-15 mm.
Furthermore, the recycled aggregate is granite broken stone with the grain diameter of 15-20 mm.
Further, a preparation method of the high-strength waterproof concrete comprises the following steps: mixing and stirring the raw materials according to the proportion of the raw materials, then adding water, and uniformly stirring to obtain the concrete.
Further, the stirring speed after adding water is 20-40r/min, and the stirring time is 15-20 min.
Compared with the prior art, the invention has the following technical effects:
the concrete obtained by the invention is introduced with carbon fiber particles and vitrified micro bubbles, and has ultrahigh strength, so that the wear resistance and strength of the concrete are enhanced;
the fly ash is also introduced into the concrete obtained by the invention, and a large amount of cement and aggregate are saved by adding the fly ash into the concrete; the water consumption is reduced; the workability of concrete mixture is improved; the pumpability of the concrete is enhanced, and the creep of the concrete is reduced; the hydration heat and the thermal expansion property are reduced; the anti-permeability capability of the concrete is improved, and the waterproof effect is achieved.
Detailed Description
The present invention is described in detail below by way of examples, and it should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.
The high-strength waterproof concrete comprises the following components in parts by weight: 500 portions of cement 300-.
The concrete comprises the following components in parts by weight: 400 parts of cement, 17.5 parts of ceramsite, 150 parts of fly ash, 22 parts of vitrified micro-beads, 830 parts of recycled aggregate, 70 parts of carbon fibers and 400 parts of water.
The vitrified micro bubbles are 30-60 meshes of vitrified micro bubbles.
The diameter of the carbon fiber is 0.1-0.15mm, and the length is 10-15 mm.
The recycled aggregate is granite broken stone with the grain diameter of 15-20 mm.
The preparation method of the high-strength waterproof concrete comprises the steps of mixing and stirring the raw materials according to the proportion of the raw materials, then adding water, and uniformly stirring to obtain the concrete.
The stirring speed after adding water is 20-40r/min, and the stirring time is 15-20 min.
Example 1
Preparing raw materials:
500 parts of cement, 20 parts of ceramsite, 20 parts of vitrified micro-bead, 100 parts of fly ash, 800 parts of recycled aggregate, 40 parts of carbon fiber and 400 parts of water.
The carbon fibers had a diameter of 0.15mm and a length of 10 mm.
And (3) putting the cement, the recycled aggregate and water into a stirrer, uniformly stirring, adding the ceramsite, the vitrified micro bubbles and the carbon fibers, and stirring for 15-20 minutes to obtain the concrete.
Example 2
Preparing raw materials:
300 parts of cement, 15 parts of ceramsite, 23 parts of vitrified micro bubbles, 200 parts of fly ash, 850 parts of recycled aggregate, 75 parts of carbon fiber and 500 parts of water.
The diameter of the carbon fiber is 0.1-0.15mm, and the length is 10-15 mm.
And (3) putting the cement, the recycled aggregate and the water into a stirrer, uniformly stirring, adding the ceramsite, the vitrified micro bubbles and the carbon fibers, and stirring for 15-20 minutes to obtain the cement.
Example 3
Preparing raw materials:
400 parts of cement, 17.5 parts of ceramsite, 21.5 parts of vitrified micro-beads, 150 parts of fly ash, 825 parts of recycled aggregate, 60 parts of carbon fiber and 450 parts of water.
The diameter of the carbon fiber is 0.1-0.15mm, and the length is 10-15 mm.
And (3) putting the cement, the recycled aggregate and water into a stirrer, uniformly stirring, adding the ceramsite, the vitrified micro bubbles and the carbon fibers, and stirring for 15-20 minutes to obtain the cement.
The concrete obtained in examples 1 to 3 was tested, and the results are shown in Table 1.
TABLE 1
Claims (7)
1. The high-strength waterproof concrete is characterized by comprising the following components in parts by weight: 500 portions of cement 300-.
2. The high-strength waterproof concrete according to claim 1, wherein the concrete comprises the following components in parts by weight: 400 parts of cement, 17.5 parts of ceramsite, 150 parts of fly ash, 22 parts of vitrified micro-beads, 830 parts of recycled aggregate, 70 parts of carbon fibers and 400 parts of water.
3. The high-strength waterproof concrete according to claim 1, wherein the vitrified micro bubbles are 30-60 mesh vitrified micro bubbles.
4. The high-strength waterproof concrete according to claim 1, wherein the carbon fibers have a diameter of 0.1 to 0.15mm and a length of 10 to 15 mm.
5. The high-strength waterproof concrete as claimed in claim 1, wherein the recycled aggregate is granite broken stone with a particle size of 15-20 mm.
6. A method for preparing the high-strength waterproof concrete according to any one of claims 1 to 5, comprising: mixing and stirring the raw materials according to the proportion of the raw materials, then adding water, and uniformly stirring to obtain the concrete.
7. The method for preparing high-strength waterproof concrete according to claim 6, wherein the stirring speed after the water is added is 20-40r/min, and the stirring time is 15-20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351487.XA CN112408885A (en) | 2020-11-25 | 2020-11-25 | High-strength waterproof concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351487.XA CN112408885A (en) | 2020-11-25 | 2020-11-25 | High-strength waterproof concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112408885A true CN112408885A (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011351487.XA Pending CN112408885A (en) | 2020-11-25 | 2020-11-25 | High-strength waterproof concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112408885A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080163794A1 (en) * | 2005-02-02 | 2008-07-10 | Yoshihiro Tanaka | Fiber Reinforced Concrete and Method of Manufacturing Fiber Reinforced Concrete Member |
| CN106242390A (en) * | 2016-07-22 | 2016-12-21 | 四川大学 | A kind of self-heat conserving high-strength environment-friendly concrete and preparation method thereof |
| CN109553333A (en) * | 2019-01-12 | 2019-04-02 | 武汉中阳明建材有限公司 | A kind of grinding coagulation soil and preparation method thereof |
| CN110041006A (en) * | 2019-06-03 | 2019-07-23 | 青岛中建富兴商砼有限公司 | A kind of high pumping LC15 haydite concrete and preparation method thereof |
| CN110818364A (en) * | 2019-12-20 | 2020-02-21 | 河北建筑工程学院 | Light high-strength waterproof concrete and preparation method thereof |
-
2020
- 2020-11-25 CN CN202011351487.XA patent/CN112408885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080163794A1 (en) * | 2005-02-02 | 2008-07-10 | Yoshihiro Tanaka | Fiber Reinforced Concrete and Method of Manufacturing Fiber Reinforced Concrete Member |
| CN106242390A (en) * | 2016-07-22 | 2016-12-21 | 四川大学 | A kind of self-heat conserving high-strength environment-friendly concrete and preparation method thereof |
| CN109553333A (en) * | 2019-01-12 | 2019-04-02 | 武汉中阳明建材有限公司 | A kind of grinding coagulation soil and preparation method thereof |
| CN110041006A (en) * | 2019-06-03 | 2019-07-23 | 青岛中建富兴商砼有限公司 | A kind of high pumping LC15 haydite concrete and preparation method thereof |
| CN110818364A (en) * | 2019-12-20 | 2020-02-21 | 河北建筑工程学院 | Light high-strength waterproof concrete and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |
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| RJ01 | Rejection of invention patent application after publication |