CN112125613A - Novel building engineering material - Google Patents
Novel building engineering material Download PDFInfo
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- CN112125613A CN112125613A CN202011060183.8A CN202011060183A CN112125613A CN 112125613 A CN112125613 A CN 112125613A CN 202011060183 A CN202011060183 A CN 202011060183A CN 112125613 A CN112125613 A CN 112125613A
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- Prior art keywords
- parts
- agent
- density polyethylene
- linear low
- building engineering
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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
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
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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
- C04B2111/34—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of building materials, in particular to a novel building engineering material which is prepared from the following raw materials in parts by weight: 50-80 parts of Portland cement, 5-8 parts of silica fume, 2.5-4 parts of recycled aggregate, 6-8 parts of nano silicon dioxide, 7-15 parts of linear low-density polyethylene fiber bead strings, 1-2 parts of sodium dodecyl sulfate, 0.5-1.5 parts of polyhydric alcohol, 1-3 parts of sodium lignosulfonate, 0.2-0.8 part of defoaming agent, 0.2-1 part of anti-settling agent, 1-2 parts of dispersing agent and 30-40 parts of water. The invention adopts a fiber bead chain reinforcing mode, replaces the prior interface constraint by the structural constraint, and greatly improves the mechanical property and the crack resistance of the concrete; and a large amount of carboxyl and hydroxyl formed by cooperating with the nano silicon dioxide and the polyalcohol after meeting water can obviously reduce the slump and the expansion degree of concrete and improve the strength of the material to the maximum extent.
Description
Technical Field
The invention relates to the field of building materials, in particular to a novel building engineering material.
Background
With the development of social science and technology and the progress of society, people seek comfortable and beautiful living environment, the construction scale of various social infrastructures is huge, and building materials show the important status. Due to the increase of market demand and the higher and higher requirements of people on the quality of building engineering materials, various novel building engineering materials emerge like bamboo shoots in spring after rain.
The common concrete is made of artificial stone material which is prepared by mixing a cementing material, coarse and fine aggregates and water according to a proper proportion and then hardening. Because the cement slurry body and the interface transition area in the concrete both contain solid phases, pores and microcracks which are unevenly distributed and have different types and quantities, the concrete is easy to be influenced by the external environment to cause the propagation of the microcracks of the concrete, the invasion of harmful substances causes the deterioration of the concrete, the durability of the concrete is reduced, and the service life of a concrete structure is influenced; meanwhile, the mechanical property and early and later strength of the existing concrete also have a further improved space.
Disclosure of Invention
In order to solve the problems, the invention provides a novel building engineering material which has excellent crack resistance, early and later strength and mechanical properties.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel building engineering material is prepared from the following raw materials in parts by weight:
50-80 parts of Portland cement, 5-8 parts of silica fume, 2.5-4 parts of recycled aggregate, 6-8 parts of nano silicon dioxide, 7-15 parts of linear low-density polyethylene fiber bead strings, 1-2 parts of sodium dodecyl sulfate, 0.5-1.5 parts of polyhydric alcohol, 1-3 parts of sodium lignosulfonate, 0.2-0.8 part of defoaming agent, 0.2-1 part of anti-settling agent, 1-2 parts of dispersing agent and 30-40 parts of water.
Further, the linear low-density polyethylene fiber bead string is composed of a plurality of linear low-density polyethylene beads and graphene modified glass fibers, and the graphene modified glass fibers are implanted into all the linear low-density polyethylene beads to form the bead string.
Further, the particle size of the linear low-density polyethylene micro-beads is more than 4.75mm and less than 10 mm.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
50 parts of Portland cement, 5 parts of silica fume, 2.5 parts of recycled aggregate, 6 parts of nano silicon dioxide, 7 parts of linear low-density polyethylene fiber bead strings, 1 part of sodium dodecyl sulfate, 0.5 part of polyhydric alcohol, 1 part of sodium lignosulfonate, 0.2 part of defoaming agent, 0.2 part of anti-settling agent, 1 part of dispersant and 30 parts of water.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
80 parts of Portland cement, 8 parts of silica fume, 4 parts of recycled aggregate, 8 parts of nano silicon dioxide, 15 parts of linear low-density polyethylene fiber bead strings, 2 parts of sodium dodecyl sulfate, 1.5 parts of polyhydric alcohol, 3 parts of sodium lignosulfonate, 0.8 part of defoaming agent, 1 part of anti-settling agent, 2 parts of dispersing agent and 40 parts of water.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
65 parts of portland cement, 6.5 parts of silica fume, 3.25 parts of recycled aggregate, 7 parts of nano silicon dioxide, 11 parts of linear low-density polyethylene fiber bead strings, 1.5 parts of sodium dodecyl sulfate, 1 part of polyhydric alcohol, 2 parts of sodium lignosulfonate, 0.5 part of defoaming agent, 0.6 part of anti-settling agent, 1.5 parts of dispersing agent and 35 parts of water.
Preferably, the anti-settling agent is an N-methyl pyrrolidone anti-settling agent of the modified polyurea; the dispersing agent is one of polyvinyl alcohol or hydroxy cellulose ether; the defoaming agent is one of DF849 defoaming agent, KMT-2033 defoaming agent and XHD103 defoaming agent.
The invention has the following beneficial effects:
the fiber bead chain reinforcing mode is adopted, the structural constraint replaces the prior interface constraint, and the mechanical property and the crack resistance of the concrete are greatly improved; and a large amount of carboxyl and hydroxyl formed by cooperating with the nano silicon dioxide and the polyalcohol after meeting water can obviously reduce the slump and the expansion degree of concrete and improve the strength of the material to the maximum extent.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
In the following embodiments, the linear low density polyethylene fiber bead string is composed of a plurality of linear low density polyethylene beads and graphene-modified glass fibers, and the graphene-modified glass fibers are implanted into all the linear low density polyethylene beads to form the bead string; and the grain diameter of the linear low-density polyethylene micro-bead is more than 4.75mm and less than 10 mm.
Example 1
A novel building engineering material is prepared from the following raw materials in parts by weight:
50 parts of Portland cement, 5 parts of silica fume, 2.5 parts of recycled aggregate, 6 parts of nano silicon dioxide, 7 parts of linear low-density polyethylene fiber bead strings, 1 part of sodium dodecyl sulfate, 0.5 part of polyhydric alcohol, 1 part of sodium lignosulfonate, 0.2 part of DF849 defoaming agent, 0.2 part of N-methylpyrrolidone anti-settling agent of modified polyurea, 1 part of polyvinyl alcohol and 30 parts of water.
Example 2
A novel building engineering material is prepared from the following raw materials in parts by weight:
80 parts of Portland cement, 8 parts of silica fume, 4 parts of recycled aggregate, 8 parts of nano-silica, 15 parts of linear low-density polyethylene fiber bead strings, 2 parts of sodium dodecyl sulfate, 1.5 parts of polyol, 3 parts of sodium lignosulfonate, 0.8 part of KMT-2033 defoaming agent, 1 part of N-methylpyrrolidone anti-settling agent of modified polyurea, 2 parts of hydroxy cellulose ether and 40 parts of water.
Example 3
A novel building engineering material is prepared from the following raw materials in parts by weight:
65 parts of Portland cement, 6.5 parts of silica fume, 3.25 parts of recycled aggregate, 7 parts of nano silicon dioxide, 11 parts of linear low-density polyethylene fiber bead strings, 1.5 parts of sodium dodecyl sulfate, 1 part of polyol, 2 parts of sodium lignosulfonate, 0.5 part of XHD103 defoaming agent, 0.6 part of N-methylpyrrolidone anti-settling agent of modified polyurea, 1.5 parts of hydroxy cellulose ether and 35 parts of water.
And (3) performance detection:
compressive strength: making a standard test block according to GB/T50081-2002 Standard of mechanical property test methods for common concrete, and measuring the compressive strength of the standard test block after 28 days and 60 days of maintenance; 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.
And (3) detection results:
| 28d compressive strength | 60d compressive strength | Crack resistance rating | |
| Example 1 | 43.7 | 51.5 | First stage |
| Example 2 | 44.5 | 52.3 | First stage |
| Example 2 | 46.3 | 53.7 | First stage |
In conclusion, the building engineering material disclosed by the invention has excellent crack resistance, early and later strength and mechanical properties.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. A novel building engineering material is characterized in that: the feed is prepared from the following raw materials in parts by weight:
50-80 parts of Portland cement, 5-8 parts of silica fume, 2.5-4 parts of recycled aggregate, 6-8 parts of nano silicon dioxide, 7-15 parts of linear low-density polyethylene fiber bead strings, 1-2 parts of sodium dodecyl sulfate, 0.5-1.5 parts of polyhydric alcohol, 1-3 parts of sodium lignosulfonate, 0.2-0.8 part of defoaming agent, 0.2-1 part of anti-settling agent, 1-2 parts of dispersing agent and 30-40 parts of water.
2. The new building engineering material according to claim 1, characterized in that: the linear low-density polyethylene fiber bead string is composed of a plurality of linear low-density polyethylene beads and graphene modified glass fibers, and the graphene modified glass fibers are implanted into all the linear low-density polyethylene beads to form the bead string.
3. The new building engineering material according to claim 1, characterized in that: the grain diameter of the linear low-density polyethylene micro-bead is more than 4.75mm and less than 10 mm.
4. The new building engineering material according to claim 1, characterized in that: the feed is prepared from the following raw materials in parts by weight:
50 parts of Portland cement, 5 parts of silica fume, 2.5 parts of recycled aggregate, 6 parts of nano silicon dioxide, 7 parts of linear low-density polyethylene fiber bead strings, 1 part of sodium dodecyl sulfate, 0.5 part of polyhydric alcohol, 1 part of sodium lignosulfonate, 0.2 part of defoaming agent, 0.2 part of anti-settling agent, 1 part of dispersant and 30 parts of water.
5. The new building engineering material according to claim 1, characterized in that: the feed is prepared from the following raw materials in parts by weight:
80 parts of Portland cement, 8 parts of silica fume, 4 parts of recycled aggregate, 8 parts of nano silicon dioxide, 15 parts of linear low-density polyethylene fiber bead strings, 2 parts of sodium dodecyl sulfate, 1.5 parts of polyhydric alcohol, 3 parts of sodium lignosulfonate, 0.8 part of defoaming agent, 1 part of anti-settling agent, 2 parts of dispersing agent and 40 parts of water.
6. The new building engineering material according to claim 1, characterized in that: the feed is prepared from the following raw materials in parts by weight:
65 parts of portland cement, 6.5 parts of silica fume, 3.25 parts of recycled aggregate, 7 parts of nano silicon dioxide, 11 parts of linear low-density polyethylene fiber bead strings, 1.5 parts of sodium dodecyl sulfate, 1 part of polyhydric alcohol, 2 parts of sodium lignosulfonate, 0.5 part of defoaming agent, 0.6 part of anti-settling agent, 1.5 parts of dispersing agent and 35 parts of water.
7. The new building engineering material according to claim 1, characterized in that: the anti-settling agent is N-methyl pyrrolidone anti-settling agent of modified polyurea; the dispersing agent is one of polyvinyl alcohol or hydroxy cellulose ether; the defoaming agent is one of DF849 defoaming agent, KMT-2033 defoaming agent and XHD103 defoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060183.8A CN112125613A (en) | 2020-09-30 | 2020-09-30 | Novel building engineering material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060183.8A CN112125613A (en) | 2020-09-30 | 2020-09-30 | Novel building engineering material |
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| Publication Number | Publication Date |
|---|---|
| CN112125613A true CN112125613A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011060183.8A Pending CN112125613A (en) | 2020-09-30 | 2020-09-30 | Novel building engineering material |
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Citations (7)
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| CN107827418A (en) * | 2017-12-01 | 2018-03-23 | 唐山学院 | A kind of superhigh tenacity concrete and preparation method thereof |
| CN107935506A (en) * | 2017-11-30 | 2018-04-20 | 青海民族大学 | A kind of anticorrosive concrete and preparation method thereof |
| CN108726956A (en) * | 2018-08-08 | 2018-11-02 | 宝辰永宇（滁州）新材料科技有限公司 | A kind of modification regeneration concrete and preparation method thereof |
| CN109665754A (en) * | 2019-02-26 | 2019-04-23 | 焦作大学 | A kind of energy conservation and environmental protection green construction material and preparation method thereof |
| WO2019177193A1 (en) * | 2018-03-13 | 2019-09-19 | 김민구 | Method for manufacturing polymer concrete by using construction waste and industrial waste, and polymer concrete manufactured by method |
| CN110510949A (en) * | 2019-09-03 | 2019-11-29 | 亚泰集团长春建材有限公司 | A kind of recycled aggregate pervious concrete and its preparation method and application |
| CN111592324A (en) * | 2020-05-23 | 2020-08-28 | 杭州汉特建材有限公司 | Novel concrete and preparation method thereof |
-
2020
- 2020-09-30 CN CN202011060183.8A patent/CN112125613A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935506A (en) * | 2017-11-30 | 2018-04-20 | 青海民族大学 | A kind of anticorrosive concrete and preparation method thereof |
| CN107827418A (en) * | 2017-12-01 | 2018-03-23 | 唐山学院 | A kind of superhigh tenacity concrete and preparation method thereof |
| WO2019177193A1 (en) * | 2018-03-13 | 2019-09-19 | 김민구 | Method for manufacturing polymer concrete by using construction waste and industrial waste, and polymer concrete manufactured by method |
| CN108726956A (en) * | 2018-08-08 | 2018-11-02 | 宝辰永宇（滁州）新材料科技有限公司 | A kind of modification regeneration concrete and preparation method thereof |
| CN109665754A (en) * | 2019-02-26 | 2019-04-23 | 焦作大学 | A kind of energy conservation and environmental protection green construction material and preparation method thereof |
| CN110510949A (en) * | 2019-09-03 | 2019-11-29 | 亚泰集团长春建材有限公司 | A kind of recycled aggregate pervious concrete and its preparation method and application |
| CN111592324A (en) * | 2020-05-23 | 2020-08-28 | 杭州汉特建材有限公司 | Novel concrete and preparation method thereof |
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Application publication date: 20201225 |
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