CN104058641A - Fiber concrete and preparation method thereof - Google Patents
Fiber concrete and preparation method thereof Download PDFInfo
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- CN104058641A CN104058641A CN201410231233.2A CN201410231233A CN104058641A CN 104058641 A CN104058641 A CN 104058641A CN 201410231233 A CN201410231233 A CN 201410231233A CN 104058641 A CN104058641 A CN 104058641A
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Abstract
The invention discloses fiber concrete prepared from the following raw materials in parts by weight: 20-30 parts of polypropylene fiber, 2-4 parts of calcium stearate, 2-3 parts of ammonium carbonate, 6-8 parts of thermoplastic polyurethane, 1-2 parts of N-methylpyrrolidone, 20-30 parts of mineral fiber, 10-15 parts of cotton fiber, 160-180 parts of cement, 50-60 parts of mineral powder, 520-550 parts of pebbles, 30-40 parts of coal ash, 330-360 parts of river sand, a proper amount of water and 20-30 parts of auxiliary. The concrete disclosed by the invention is high in strength and good in toughness and durability and can be used for various projects in the environments of high level, large span and bad conditions; due to the adoption of the auxiliary, the compressive strength and breaking strength of the concrete are improved, the fragrance of the concrete is increased, and the concrete is good in antirust, waterproof and impermeable performances and favorable in water reducing property and workability.
Description
Technical field
The invention belongs to building material field, particularly a kind of fibrous concrete and preparation method thereof.
Background technology
Concrete has abundant raw material, cheap, the simple feature of production technique, thereby make its consumption increasing.It is high that while concrete also has ultimate compression strength, good endurance, the features such as strength grade wide ranges.These features make its use range very extensive, not only in various civil engineering works, use, and be exactly shipbuilding, mechanical industry, the exploitation of ocean, geothermal engineering etc., concrete is also important material.
Along with the development of component materials of concrete, people are to being not only confined to ultimate compression strength to concrete performance requriements, but on the basis of basing oneself upon intensity, more focus on concrete weather resistance, deformation performance, fire-and explosion-proof performance, water-impervious performance, toughness, erosion resistance, heat retaining property, health environment-friendly and reduce costs etc. the balance and coordination of overall target.The requirement of concrete property indices is than clearer and more definite, refinement and concrete in the past.Meanwhile, the lifting of Architectural Equipment level, continuing to bring out and promoting of novel construction process, makes concrete technology adapt to different designs, construction and service requirements, develops very fast.
Concrete also be unable to do without the raw-material development of the reinforcement of concrete, be unable to do without the development and change of concrete engineering application.Therefore, development performance is more excellent, function is more powerful, more adapt to novel process, the concrete of new building object just seems particularly important.
Summary of the invention
The object of the present invention is to provide a kind of fibrous concrete and preparation method thereof, this concrete strength is high, good toughness, and good endurance can be used for the various engineerings under high level, large span and mal-condition environment.
Technical scheme of the present invention is as follows:
A kind of fibrous concrete, is characterized in that being made up of the raw material of following weight part: polypropylene fibre 20-30, calcium stearate 2-4, volatile salt 2-3, thermoplastic polyurethane 6-8, N methyl-2-pyrrolidone 1-2, mineral fibre 20-30, cotton fibre 10-15, cement 160-180, breeze 50-60, stone 520-550, flyash 30-40, river sand 330-360, water are appropriate, auxiliary agent 20-30;
Described auxiliary agent is made up of the raw material of following weight part: ultra-fine polyester fiber 1-2, steel fiber 6-7, N hydroxymethyl acrylamide 2-3, silane resin acceptor kh-550 2-3, polyester acrylate 3-5, double pentaerythritol methacrylate 2-4, polyketone resin 1-2, polyvinyl butyral acetal 3-4, zinc oxide 5-7, turps 2-3, Radix Angelicae Sinensis oil 0.6-0.8, aluminum stearate 1-2, potassium hydroxide 0.4-0.5, iron(ic) chloride 1-1.6, sodium lauroyl sareosine 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 16-20, preparation method is: water, sodium lauroyl sareosine, ultra-fine polyester fiber, steel fiber, N hydroxymethyl acrylamide, polyester acrylate, aluminum stearate are mixed, be heated to 70-80 DEG C, add Potassium Persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 30-40 minute, to obtain final product.
The preparation method of described fibrous concrete, is characterized in that comprising the following steps:
(1) calcium stearate, volatile salt, thermoplastic polyurethane, N methyl-2-pyrrolidone are mixed with water, stir, obtain mixed serum;
(2) polypropylene fibre, mineral fibre, cotton fibre, cement, breeze, stone, flyash, river sand are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 8-12 minute, and then cast, vibrates;
(3) in the wet environment of 5-25 DEG C, carry out maintenance 8-9 days after building, to obtain final product.
Beneficial effect of the present invention
Concrete strength of the present invention is high, good toughness, and good endurance can be used for the various engineerings under high level, large span and mal-condition environment; By making used additives, increase concrete pressure-proof and snap-resistent intensity, increase concrete fragrance, rustless property, waterproof, seepage control performance are good, also have good water reducing ability, workability.
Embodiment
A kind of fibrous concrete, by following weight part (kilogram) raw material make: polypropylene fibre 25, calcium stearate 3, volatile salt 2.5, thermoplastic polyurethane 7, N methyl-2-pyrrolidone 1.5, mineral fibre 25, cotton fibre 13, cement 170, breeze 55, stone 530, flyash 35, river sand 340, water are appropriate, auxiliary agent 25;
Described auxiliary agent by following weight part (kilogram) raw material make: ultra-fine polyester fiber 1.5, steel fiber 6.5, N hydroxymethyl acrylamide 2.5, silane resin acceptor kh-550 2.5, polyester acrylate 4, double pentaerythritol methacrylate 3, polyketone resin 1.5, polyvinyl butyral acetal 3.5, zinc oxide 6, turps 2.5, Radix Angelicae Sinensis oil 0.7, aluminum stearate 1.5, potassium hydroxide 0.4, iron(ic) chloride 1.3, sodium lauroyl sareosine 0.6, ammonium persulphate 0.1, Potassium Persulphate 0.1, water 18, preparation method is: water, sodium lauroyl sareosine, ultra-fine polyester fiber, steel fiber, N hydroxymethyl acrylamide, polyester acrylate, aluminum stearate are mixed, be heated to 75 DEG C, add Potassium Persulphate stirring reaction 25 minutes, mix with other remaining components again, be heated to 85 DEG C, stirring reaction 35 minutes, to obtain final product.
The preparation method of described fibrous concrete, comprises the following steps:
(1) polypropylene fibre, mineral fibre, cotton fibre, calcium stearate, volatile salt, thermoplastic polyurethane, N methyl-2-pyrrolidone are mixed with water, stir, obtain mixed serum;
(2) cement, breeze, stone, flyash, river sand are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 11 minutes, and then cast, vibrates;
(3) in the wet environment of 7-15 DEG C, carry out maintenance 9 days after building, to obtain final product.
Experimental data:
The strength grade of concrete of this embodiment is C40, and the slump is 17.3cm, ultimate compression strength 49.3MPa, folding strength 19.9MPa.
Claims (2)
1. a fibrous concrete, is characterized in that being made up of the raw material of following weight part: polypropylene fibre 20-30, calcium stearate 2-4, volatile salt 2-3, thermoplastic polyurethane 6-8, N methyl-2-pyrrolidone 1-2, mineral fibre 20-30, cotton fibre 10-15, cement 160-180, breeze 50-60, stone 520-550, flyash 30-40, river sand 330-360, water are appropriate, auxiliary agent 20-30;
Described auxiliary agent is made up of the raw material of following weight part: ultra-fine polyester fiber 1-2, steel fiber 6-7, N hydroxymethyl acrylamide 2-3, silane resin acceptor kh-550 2-3, polyester acrylate 3-5, double pentaerythritol methacrylate 2-4, polyketone resin 1-2, polyvinyl butyral acetal 3-4, zinc oxide 5-7, turps 2-3, Radix Angelicae Sinensis oil 0.6-0.8, aluminum stearate 1-2, potassium hydroxide 0.4-0.5, iron(ic) chloride 1-1.6, sodium lauroyl sareosine 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 16-20, preparation method is: water, sodium lauroyl sareosine, ultra-fine polyester fiber, steel fiber, N hydroxymethyl acrylamide, polyester acrylate, aluminum stearate are mixed, be heated to 70-80 DEG C, add Potassium Persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 30-40 minute, to obtain final product.
2. the preparation method of fibrous concrete according to claim 1, is characterized in that comprising the following steps:
(1) calcium stearate, volatile salt, thermoplastic polyurethane, N methyl-2-pyrrolidone are mixed with water, stir, obtain mixed serum;
(2) polypropylene fibre, mineral fibre, cotton fibre, cement, breeze, stone, flyash, river sand are mixed, the mixed serum and other remaining components that obtain with (1) step mix, stirring reaction 8-12 minute, and then cast, vibrates;
(3) in the wet environment of 5-25 DEG C, carry out maintenance 8-9 days after building, to obtain final product.
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| CN201410231233.2A CN104058641B (en) | 2014-05-29 | 2014-05-29 | A kind of fibrous concrete and preparation method thereof |
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| CN201410231233.2A CN104058641B (en) | 2014-05-29 | 2014-05-29 | A kind of fibrous concrete and preparation method thereof |
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| CN104058641A true CN104058641A (en) | 2014-09-24 |
| CN104058641B CN104058641B (en) | 2016-02-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529269A (en) * | 2014-12-02 | 2015-04-22 | 王小波 | Concrete with excellent antifreeze performance |
| CN105060804A (en) * | 2015-07-27 | 2015-11-18 | 昆山市建国混凝土制品有限公司 | Fiber concrete |
| CN106220092A (en) * | 2016-07-26 | 2016-12-14 | 蚌埠市方阵商品混凝土有限公司 | A kind of concrete with excellent anti-folding tensile property and preparation method thereof |
| CN107337386A (en) * | 2017-05-23 | 2017-11-10 | 安徽砼宇特构科技有限公司 | Strong concrete box culvert structure part and preparation method thereof |
| CN109437781A (en) * | 2018-11-28 | 2019-03-08 | 李素娥 | A kind of Water Quenching Slag hollow brick and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101592267A (en) * | 2008-05-29 | 2009-12-02 | 天津万联管道工程有限公司 | Mixed fiber concrete pipe |
| CN101592266A (en) * | 2008-05-29 | 2009-12-02 | 天津万联管道工程有限公司 | A kind of fiber concrete pipe |
| CN101713236A (en) * | 2009-11-30 | 2010-05-26 | 陈兆平 | Light and high-strength wallboard made from fiber reinforced concrete and preparation method thereof |
| CN101786816A (en) * | 2010-03-03 | 2010-07-28 | 上海交通大学 | Synthetic fabric concrete |
| CN102557554A (en) * | 2011-12-28 | 2012-07-11 | 西安建筑科技大学 | Preparation method of multivariate mixed recyclable fiber concrete separated from scrap tires |
-
2014
- 2014-05-29 CN CN201410231233.2A patent/CN104058641B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592267A (en) * | 2008-05-29 | 2009-12-02 | 天津万联管道工程有限公司 | Mixed fiber concrete pipe |
| CN101592266A (en) * | 2008-05-29 | 2009-12-02 | 天津万联管道工程有限公司 | A kind of fiber concrete pipe |
| CN101713236A (en) * | 2009-11-30 | 2010-05-26 | 陈兆平 | Light and high-strength wallboard made from fiber reinforced concrete and preparation method thereof |
| CN101786816A (en) * | 2010-03-03 | 2010-07-28 | 上海交通大学 | Synthetic fabric concrete |
| CN102557554A (en) * | 2011-12-28 | 2012-07-11 | 西安建筑科技大学 | Preparation method of multivariate mixed recyclable fiber concrete separated from scrap tires |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529269A (en) * | 2014-12-02 | 2015-04-22 | 王小波 | Concrete with excellent antifreeze performance |
| CN105060804A (en) * | 2015-07-27 | 2015-11-18 | 昆山市建国混凝土制品有限公司 | Fiber concrete |
| CN106220092A (en) * | 2016-07-26 | 2016-12-14 | 蚌埠市方阵商品混凝土有限公司 | A kind of concrete with excellent anti-folding tensile property and preparation method thereof |
| CN107337386A (en) * | 2017-05-23 | 2017-11-10 | 安徽砼宇特构科技有限公司 | Strong concrete box culvert structure part and preparation method thereof |
| CN109437781A (en) * | 2018-11-28 | 2019-03-08 | 李素娥 | A kind of Water Quenching Slag hollow brick and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104058641B (en) | 2016-02-10 |
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Effective date of registration: 20190508 Address after: 030006 Taiyuan Comprehensive Reform Demonstration Zone, Taiyuan Xuefu Park, Shanxi Province, 17 High-tech Street, 2 Blocks, 19 Floors, 1921 Rooms Patentee after: Shanxi Sheng Kun science and Technology Development Co., Ltd. Address before: 233010 Bengbu East China Gypsum Technology Co., Ltd., Tianhe Science Park, Bengbu High-tech Zone, Anhui Province Patentee before: Bengbu East China Gypsum Co., Ltd. |