CN112759318A - Aerated concrete building block - Google Patents
Aerated concrete building block Download PDFInfo
- Publication number
- CN112759318A CN112759318A CN201911071162.3A CN201911071162A CN112759318A CN 112759318 A CN112759318 A CN 112759318A CN 201911071162 A CN201911071162 A CN 201911071162A CN 112759318 A CN112759318 A CN 112759318A
- Authority
- CN
- China
- Prior art keywords
- parts
- plastic
- aerated concrete
- concrete block
- gelling agent
- 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.)
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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
- 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
- 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
Abstract
An aerated concrete block comprises the following raw materials in parts by mass: 120-150 parts of Portland cement, 50-70 parts of granite slag powder, 30-40 parts of river sand, 40-60 parts of gypsum, 60-80 parts of lime, 5-10 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 10-15 parts of plastic particles and 5-10 parts of plastic fibers, wherein the plastic particles are formed by processing waste plastic woven bags, and the plastic fibers are soft plastic fibers formed by processing the waste plastic woven bags. The aerated concrete block can effectively utilize waste materials, and a processed product has better toughness and strength, better pressure bearing performance and folding resistance, and more regular edges after cutting, and has good practicability.
Description
Technical Field
The invention relates to the field of building materials, in particular to an aerated concrete block.
Background
The aerated concrete block is a novel building material which is light, porous, heat-insulating, good in fireproof performance, nailable, sawable, planeable and has certain shock resistance, the aerated concrete block generally has the mass of 500 plus 700 kilograms per cubic meter, is only equivalent to 1/4-1/3 of clay bricks and sand-lime bricks, and 1/5 of common concrete is a lighter one of concrete, and is suitable for filler walls of high-rise buildings and load-bearing walls of low-rise buildings. The self-weight of the whole building can be reduced by more than 40% compared with that of a common brick-concrete structure building by using the material, and the anti-seismic capacity of the building can be greatly improved by reducing the self-weight of the building.
The defects of the aerated concrete block are more and more expressed due to the characteristics of the aerated concrete block in the application process, such as weak compressive and flexural capacity caused by deformation cracking and poor mechanical property, poor edge integrity in the cutting process and the like, so that the application field of the aerated concrete block is limited, and the utilization rate is difficult to improve.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an aerated concrete block to better solve the problems mentioned in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
an aerated concrete block comprises the following raw materials in parts by mass: 120-150 parts of Portland cement, 50-70 parts of granite slag powder, 30-40 parts of river sand, 40-60 parts of gypsum, 60-80 parts of lime, 5-10 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 10-15 parts of plastic particles and 5-10 parts of plastic fibers.
Further, the feed comprises the following raw materials in parts by weight: 130 parts of Portland cement, 60 parts of granite slag powder, 48 parts of gypsum, 70 parts of lime, 8 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 12 parts of plastic particles and 8 parts of plastic fibers.
Furthermore, the plastic particles are formed by processing waste plastic woven bags, and the particle size of the plastic particles is 10-15 mm.
Furthermore, the plastic particles are formed by extrusion after the waste plastic woven bags are melted.
Furthermore, the plastic fiber is soft plastic fiber formed by processing waste plastic woven bags, the length of the plastic fiber is 4 cm-10 cm, and the diameter of the plastic fiber is 0.5-1 mm.
Further, the air entraining agent and the gelling agent respectively account for 0.4-0.8% and 10-15% of the weight of the hollow glass bead powder.
Further, the gelling agent is fish gelatin powder.
Furthermore, the particle size of the granite slag powder is 5-10 mm.
Has the advantages that: compared with the traditional aerated concrete block, the aerated concrete block provided by the invention has the advantages that:
1) the aerated concrete block has better toughness and strength and longer service life, and the plastic fibers and the plastic particles have better strength and better toughness, so that the integrity of the interior of the concrete block is enhanced, the mechanical property of the aerated concrete is improved, better pressure resistance is realized, and the service life is effectively prolonged;
2) the plastic fiber is formed by processing waste plastic woven bags, the diameter and the length of the plastic fiber are scientifically matched, the formed plastic fiber is a soft strip-shaped object with good toughness, the capacity of resisting the external deformation of the aerated concrete block can be effectively improved, the plastic particles are formed by processing the waste plastic woven bags as auxiliary materials, the plastic particles have good strength and toughness, and meanwhile, the water resistance and the insulativity of the plastic particles are good, and the integral insulativity is enhanced;
3) the waste plastic woven bags which cause serious environmental pollution and damage are used as raw materials, so that waste materials are changed into valuable materials, and the method has good economic utilization value;
4) the gelatinizing agent is added to improve the elasticity and strength of the concrete block brick, so that the concrete block brick is not easy to collapse in the cutting process, and the content of the gelatinizing agent can be flexibly adjusted according to actual needs, so that aerated concrete blocks with different elasticity and strength ranges in production places are produced.
5) After the hollow glass bead powder is added, the integrity of the edge of the aerated concrete block during cutting is greatly improved.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
The aerated concrete block comprises the following raw materials in parts by mass: 130 parts of Portland cement, 60 parts of granite slag powder, 48 parts of gypsum, 70 parts of lime, 8 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 12 parts of plastic particles and 8 parts of plastic fibers.
The plastic particles are formed by extrusion after the waste plastic woven bags are melted at high temperature, the particle size of the plastic particles is 12mm, the plastic fibers are soft plastic fibers formed by processing the waste plastic woven bags, the length of the plastic fibers is 8cm, the diameter of the plastic fibers is 0.8mm, the air entraining agent and the gelling agent respectively account for 0.5 percent and 12 percent of the weight of the hollow glass bead powder, and the gelling agent is fish glue powder; the particle size of the granite slag powder was 6mm and was present as a main coarse aggregate.
Example 2
The aerated concrete block comprises the following raw materials in parts by mass: 120 parts of Portland cement, 70 parts of granite slag powder, 30 parts of river sand, 40 parts of gypsum, 80 parts of lime, 10 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 10 parts of plastic particles and 5 parts of plastic fibers.
The plastic particles are formed by extrusion after the waste plastic woven bags are melted at high temperature, the particle size of the plastic particles is 10mm, the plastic fibers are soft plastic fibers formed by processing the waste plastic woven bags, the length of the plastic fibers is 4cm, the diameter of the plastic fibers is 0.5mm, the air entraining agent and the gelling agent respectively account for 0.8 percent and 15 percent of the weight of the hollow glass bead powder, and the gelling agent is fish glue powder; the particle size of the granite slag powder was 10mm, and it was present as a main coarse aggregate.
Example 3
The aerated concrete block comprises the following raw materials in parts by mass: 150 parts of portland cement, 50 parts of granite slag powder, 40 parts of river sand, 40 parts of gypsum, 60 parts of lime, 5 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 15 parts of plastic particles and 10 parts of plastic fibers.
The plastic particles are formed by extrusion after the waste plastic woven bags are melted at high temperature, the particle size of the plastic particles is 15mm, the plastic fibers are soft plastic fibers formed by processing the waste plastic woven bags, the length of the plastic fibers is 10cm, the diameter of the plastic fibers is 1mm, the air entraining agent and the gelling agent respectively account for 0.4 percent and 10 percent of the weight of the hollow glass bead powder, and the gelling agent is fish glue powder; the particle size of the granite slag powder was 5mm, and it was present as a main coarse aggregate.
The compressive strength (MPa) of the formed concrete block brick is detected according to GB/T4111-2013 'concrete block and brick test method'.
And (3) observing the appearance of the formed concrete block brick according to the cutting condition of the concrete block brick, and recording the qualified rate (%) that the corners of the formed concrete block brick are not incomplete and meet the standard.
The comparison example is a product prepared by a formula of a commercially available common A5.0-grade aerated concrete building block removing brick.
The results are shown in Table 1
Table 1 aerated concrete block brick performance detecting table
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The aerated concrete block is characterized by comprising the following raw materials in parts by mass: 120-150 parts of Portland cement, 50-70 parts of granite slag powder, 30-40 parts of river sand, 40-60 parts of gypsum, 60-80 parts of lime, 5-10 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 10-15 parts of plastic particles and 5-10 parts of plastic fibers.
2. The aerated concrete block according to claim 1, which comprises the following raw materials in parts by weight: 130 parts of Portland cement, 60 parts of granite slag powder, 48 parts of gypsum, 70 parts of lime, 8 parts of hollow glass bead powder containing an air entraining agent and a gelling agent, 12 parts of plastic particles and 8 parts of plastic fibers.
3. The aerated cementitious soil block of claim 1, wherein the plastic particles are formed by processing waste plastic woven bags, and the particle size of the plastic particles is 10-15 mm.
4. The aerated concrete block of claim 3, wherein the plastic particles are formed by extrusion after the waste plastic woven bags are melted.
5. The aerated gel soil building block of claim 1, wherein the plastic fiber is a soft plastic fiber formed by processing waste plastic woven bags, the length of the plastic fiber is 4 cm-10 cm, and the diameter of the plastic fiber is 0.5-1 mm.
6. The aerated concrete block of claim 1, wherein the air entraining agent and the gelling agent respectively account for 0.4-0.8% and 10-15% of the weight of the hollow glass bead powder.
7. The aerated concrete block of claim 6, wherein the gelling agent is fish gelatin powder.
8. The aerated cementitious soil block of claim 1, wherein the particle size of the granite slag powder is 5-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071162.3A CN112759318A (en) | 2019-11-05 | 2019-11-05 | Aerated concrete building block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071162.3A CN112759318A (en) | 2019-11-05 | 2019-11-05 | Aerated concrete building block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112759318A true CN112759318A (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911071162.3A Withdrawn CN112759318A (en) | 2019-11-05 | 2019-11-05 | Aerated concrete building block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112759318A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343148A2 (en) * | 1988-05-17 | 1989-11-23 | Walter Basta | Specially treated plastic fibre for improved building materials |
| CN1074892A (en) * | 1992-10-30 | 1993-08-04 | 黄道辉 | Used foamed plastics building blocks |
| CN1364968A (en) * | 2002-02-08 | 2002-08-21 | 龚卓夫 | Composite wall plate with waste textile fibre reinforced concrete side surface and its producing method |
| CN107032683A (en) * | 2017-06-05 | 2017-08-11 | 合肥永泰新型建材有限公司 | A kind of energy-saving environment protection brick and preparation method |
| CN108863202A (en) * | 2018-06-07 | 2018-11-23 | 西安理工大学 | A kind of admixture waste plastic packaging bag regeneration concrete and preparation method thereof |
| CN109665795A (en) * | 2019-01-17 | 2019-04-23 | 广州市宏利新型建材有限公司 | Air-entrained concrete building block brick |
| CN109796175A (en) * | 2019-03-23 | 2019-05-24 | 中山市建宏新型建材有限公司 | A kind of fire resisting autoclave aerated concrete building block brick |
-
2019
- 2019-11-05 CN CN201911071162.3A patent/CN112759318A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0343148A2 (en) * | 1988-05-17 | 1989-11-23 | Walter Basta | Specially treated plastic fibre for improved building materials |
| CN1074892A (en) * | 1992-10-30 | 1993-08-04 | 黄道辉 | Used foamed plastics building blocks |
| CN1364968A (en) * | 2002-02-08 | 2002-08-21 | 龚卓夫 | Composite wall plate with waste textile fibre reinforced concrete side surface and its producing method |
| CN107032683A (en) * | 2017-06-05 | 2017-08-11 | 合肥永泰新型建材有限公司 | A kind of energy-saving environment protection brick and preparation method |
| CN108863202A (en) * | 2018-06-07 | 2018-11-23 | 西安理工大学 | A kind of admixture waste plastic packaging bag regeneration concrete and preparation method thereof |
| CN109665795A (en) * | 2019-01-17 | 2019-04-23 | 广州市宏利新型建材有限公司 | Air-entrained concrete building block brick |
| CN109796175A (en) * | 2019-03-23 | 2019-05-24 | 中山市建宏新型建材有限公司 | A kind of fire resisting autoclave aerated concrete building block brick |
Non-Patent Citations (1)
| Title |
|---|
| 中国硅酸盐学会房建材料分会主编: "《房建材料与绿色建筑》", 31 August 2009, 中国建材工业出版社 * |
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Application publication date: 20210507 |
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