CN105060804A - Fiber concrete - Google Patents
Fiber concrete Download PDFInfo
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- CN105060804A CN105060804A CN201510446449.5A CN201510446449A CN105060804A CN 105060804 A CN105060804 A CN 105060804A CN 201510446449 A CN201510446449 A CN 201510446449A CN 105060804 A CN105060804 A CN 105060804A
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Abstract
The present invention relates to a fiber concrete, which comprises 390-400 kg/m<3> of cement, 90-110 kg/m<3> of fibers, 630-660 kg/m<3> of sand, 965-980 kg/m<3> of stone, 6.23 kg/m<3> of an admixture, 60-75 kg/m<3> of fly ash, 150-180 kg/m<3> of water, and 90-120 kg/m<3> of mine powder. The concrete of the present invention has characteristics of high tensile strength, high breaking strength and high toughness.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of fibrous concrete.
Background technology
Concrete has that intensity is high, good endurance, technique are simple, the advantage of abundant raw material, therefore becoming now must indispensable material of construction, its by cement, auxiliary material, admixture, mineral material and water as required proportioning to admix, and after mixing, adopt transport trolley to be transported to place to use in specific time.But after concrete materials mixing, As time goes on chemical reaction can be there is, all detrimentally affect can be produced to concrete flowability, slump loss, the concrete of premixing needs to be transported on required building site in specific time, has higher requirement to concrete performance simultaneously.
In order to ensure concrete performance, the admixture adding various different performance adjusts, concrete admixture conventional at present can play minimizing water consumption, control time of coagulation, improve the effects such as weather resistance, but the performance of admixture is single, can not meet multiple demand, therefore, need the formula being carried out optimised coagulation soil by multi-faceted experiment, improve concrete performance, make concrete application prospect more wide.The performance evaluating concrete excellence mainly contains following index: intensity is high, the basis of long durability, high water reducing rate, high strength possesses favorable working performance, be easy to pumping, be easy to closely knit etc.
The tensile strength of now conventional concrete material is low, and anti-intensity of tearing open is low, and shock resistance is poor, therefore, in concrete, adds filamentary material, improves concrete tensile strength.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of fibrous concrete, this concrete has higher tensile strength, concretely anti-tears intensity open and toughness is higher.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of fibrous concrete, its component comprises: cement 390-400kg/m
3, fiber 90-110kg/m
3, sand 630-660kg/m
3, stone 965-980kg/m
3, admixture 6.23kg/m
3, flyash 60-75kg/m
3, water 150-180kg/m
3, breeze 90-120kg/m
3.
In a preferred embodiment of the present invention, comprise further, described fiber comprise following in one or more: steel fiber, carbon fiber and polypropylene fibre, the length of described steel fiber is 32-50mm, the diameter of described steel fiber is 0.8-1.0mm, the tensile strength of described steel fiber is 500-1200MPa, and described polypropylene fibre length is 10mm, and the tensile strength of described polypropylene fibre is 500MPa.
In a preferred embodiment of the present invention, comprise further, described admixture is water reducer, and the formula of described water reducer, according to mass percent, comprises following component:
The poly carboxylic acid diminishing mother liquor of 35%, the Mierocrystalline cellulose water-keeping material of 10%, the polyacrylamide of 8%, the tri-isopropanolamine of 1%, surplus is water.
In a preferred embodiment of the present invention, comprise further, described poly carboxylic acid diminishing mother liquor comprise following in one or more: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor and maleic anhydride poly carboxylic acid diminishing mother liquor.
In a preferred embodiment of the present invention, comprise further, described Mierocrystalline cellulose water-keeping material comprise following in one or more: Vltra tears, hydroxyethylmethyl-cellulose and methylcellulose gum.
In a preferred embodiment of the present invention, comprise further, described cement is silicate cement, and the intensity rank of described silicate cement is 52.5.
In a preferred embodiment of the present invention, comprise further, the continuous size fraction of described stone is 5-20mm.
In a preferred embodiment of the present invention, comprise further, described flyash is II grade of flyash of mixing concrete and mortar.
In a preferred embodiment of the present invention, comprise further, sand is natural sand or medium sand, and the water ratio of sand is 7.5%, and the water ratio of stone is 1.0%.
The invention has the beneficial effects as follows:
One, concrete of the present invention have higher tensile strength, concretely anti-tear intensity open and toughness is higher.
Two, in concrete of the present invention, also added water reducer, concrete mobility can be improved, extend concrete setting time, namely extend the engineering time.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Disclose a kind of fibrous concrete in the present embodiment, this concrete with the addition of fibre composition in the good concrete foundation of intensity, and counteract concrete shrinkability by spacing, pull resistance is strong.
The component of above-mentioned fibrous concrete is as shown in table 1:
Formula table in table 1 embodiment 1
Above-mentioned fiber is steel fiber, in the present embodiment, above-mentioned steel fiber can be type of wire form steel fiber or milling type steel fibers, and the length of above-mentioned steel fiber is 32-50mm, the diameter of above-mentioned steel fiber is 0.8-1.0mm, and the tensile strength of above-mentioned steel fiber is 500-1200MPa.
A kind of compound water reducer during above-mentioned water reducer, the formula of above-mentioned water reducer, according to mass percent, comprises following component:
The poly carboxylic acid diminishing mother liquor of 35%, the Mierocrystalline cellulose water-keeping material of 10%, the polyacrylamide of 8%, the tri-isopropanolamine of 1%, surplus is water.
Wherein, above-mentioned poly carboxylic acid diminishing mother liquor can be: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor maleic anhydride poly carboxylic acid alive diminishing mother liquor.Above-mentioned Mierocrystalline cellulose water-keeping material can be: Vltra tears, hydroxyethylmethyl-cellulose or methylcellulose gum.
Embodiment 2
Disclose a kind of fibrous concrete in the present embodiment, this concrete with the addition of fibre composition in the good concrete foundation of intensity, and counteract concrete shrinkability by spacing, pull resistance is strong.
The component of above-mentioned fibrous concrete is as shown in table 2:
Formula table in table 2 embodiment 2
Above-mentioned fiber is steel fiber and carbon fiber, in the present embodiment, above-mentioned steel fiber can be type of wire form steel fiber or milling type steel fibers, and the length of above-mentioned steel fiber is 32-50mm, the diameter of above-mentioned steel fiber is 0.8-1.0mm, and the tensile strength of above-mentioned steel fiber is 500-1200MPa.
A kind of compound water reducer during above-mentioned water reducer, the formula of above-mentioned water reducer, according to mass percent, comprises following component:
The poly carboxylic acid diminishing mother liquor of 35%, the Mierocrystalline cellulose water-keeping material of 10%, the polyacrylamide of 8%, the tri-isopropanolamine of 1%, surplus is water.
Wherein, above-mentioned poly carboxylic acid diminishing mother liquor can be: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor maleic anhydride poly carboxylic acid alive diminishing mother liquor.Above-mentioned Mierocrystalline cellulose water-keeping material can be: Vltra tears, hydroxyethylmethyl-cellulose or methylcellulose gum.
Embodiment 3
Disclose a kind of fibrous concrete in the present embodiment, this concrete with the addition of fibre composition in the good concrete foundation of intensity, and counteract concrete shrinkability by spacing, pull resistance is strong.
The component of above-mentioned fibrous concrete is as shown in table 3:
Formula table in table 3 embodiment 3
Above-mentioned fiber is polypropylene fibre length is 10mm, and the tensile strength of above-mentioned polypropylene fibre is 500MPa.
A kind of compound water reducer during above-mentioned water reducer, the formula of above-mentioned water reducer, according to mass percent, comprises following component:
The poly carboxylic acid diminishing mother liquor of 35%, the Mierocrystalline cellulose water-keeping material of 10%, the polyacrylamide of 8%, the tri-isopropanolamine of 1%, surplus is water.
Wherein, above-mentioned poly carboxylic acid diminishing mother liquor can be: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor maleic anhydride poly carboxylic acid alive diminishing mother liquor.Above-mentioned Mierocrystalline cellulose water-keeping material can be: Vltra tears, hydroxyethylmethyl-cellulose or methylcellulose gum.
Concrete of the present invention has higher tensile strength, concretely anti-tears intensity open and toughness is higher.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a fibrous concrete, is characterized in that, its component comprises: cement 390-400kg/m
3, fiber 90-110kg/m
3, sand 630-660kg/m
3, stone 965-980kg/m
3, admixture 6.23kg/m
3, flyash 60-75kg/m
3, water 150-180kg/m
3, breeze 90-120kg/m
3.
2. a kind of fibrous concrete according to claim 1, it is characterized in that, described fiber comprise following in one or more: steel fiber, carbon fiber and polypropylene fibre, the length of described steel fiber is 32-50mm, the diameter of described steel fiber is 0.8-1.0mm, the tensile strength of described steel fiber is 500-1200MPa, and described polypropylene fibre length is 10mm, and the tensile strength of described polypropylene fibre is 500MPa.
3. a kind of fibrous concrete according to claim 1, is characterized in that, described admixture is water reducer, and the formula of described water reducer, according to mass percent, comprises following component:
The poly carboxylic acid diminishing mother liquor of 35%, the Mierocrystalline cellulose water-keeping material of 10%, the polyacrylamide of 8%, the tri-isopropanolamine of 1%, surplus is water.
4. a kind of fibrous concrete according to claim 3, is characterized in that, described poly carboxylic acid diminishing mother liquor comprise following in one or more: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor and maleic anhydride poly carboxylic acid diminishing mother liquor.
5. a kind of fibrous concrete according to claim 3, is characterized in that, described Mierocrystalline cellulose water-keeping material comprise following in one or more: Vltra tears, hydroxyethylmethyl-cellulose and methylcellulose gum.
6. a kind of fibrous concrete according to claim 1, is characterized in that, described cement is silicate cement, and the intensity rank of described silicate cement is 52.5.
7. a kind of fibrous concrete according to claim 1, is characterized in that, the continuous size fraction of described stone is 5-20mm.
8. a kind of fibrous concrete according to claim 1, is characterized in that, described flyash is II grade of flyash of mixing concrete and mortar.
9. a kind of fibrous concrete according to claim 1, is characterized in that, sand is natural sand or medium sand, and the water ratio of sand is 7.5%, and the water ratio of stone is 1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446449.5A CN105060804A (en) | 2015-07-27 | 2015-07-27 | Fiber concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446449.5A CN105060804A (en) | 2015-07-27 | 2015-07-27 | Fiber concrete |
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| CN105060804A true CN105060804A (en) | 2015-11-18 |
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| CN201510446449.5A Pending CN105060804A (en) | 2015-07-27 | 2015-07-27 | Fiber concrete |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347758A (en) * | 2015-11-25 | 2016-02-24 | 国网河南桐柏县供电公司 | Pole shock-resistant mechanism of |
| CN105481323A (en) * | 2016-02-02 | 2016-04-13 | 金陵科技学院 | Carbon fiber composite concrete and preparation method thereof |
| CN106278012A (en) * | 2016-07-25 | 2017-01-04 | 安庆惠嘉新型建材有限公司 | A kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof |
| CN106348668A (en) * | 2016-08-24 | 2017-01-25 | 北京中交桥宇科技有限公司 | Plain concrete |
| CN106892599A (en) * | 2017-03-07 | 2017-06-27 | 河南城建学院 | A kind of preparation method of fiber concrete, the New Buffering hard shoulder using it and New Buffering hard shoulder |
| CN106915937A (en) * | 2017-03-15 | 2017-07-04 | 北京城建九秋实混凝土有限公司 | Metallic fiber concrete and its production technology |
| CN106977156A (en) * | 2017-04-13 | 2017-07-25 | 天津金隅混凝土有限公司 | high-strength high-performance concrete and preparation method thereof |
| CN107324703A (en) * | 2017-06-14 | 2017-11-07 | 北京兆阳光热技术有限公司 | The formula and preparation technology of a kind of heat accumulation concrete |
| CN107324702A (en) * | 2017-05-31 | 2017-11-07 | 南通不二环境科技有限公司 | A kind of tencel concrete |
| CN107344828A (en) * | 2017-05-31 | 2017-11-14 | 南通不二环境科技有限公司 | A kind of modified concrete formulation |
| CN107500681A (en) * | 2017-10-12 | 2017-12-22 | 贺州学院 | A kind of fiber reinforced concretes and preparation method thereof |
| CN110642577A (en) * | 2019-11-13 | 2020-01-03 | 南通海华建材有限公司 | Preparation process of corrosion-resistant concrete pipe pile |
| CN110759679A (en) * | 2019-11-13 | 2020-02-07 | 南通海华建材有限公司 | Preparation process of high-strength concrete pipe pile |
| CN112459035A (en) * | 2020-11-25 | 2021-03-09 | 中国水利水电第七工程局有限公司 | Treatment method of municipal pipe network construction muck with remarkable tensile effect |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347758A (en) * | 2015-11-25 | 2016-02-24 | 国网河南桐柏县供电公司 | Pole shock-resistant mechanism of |
| CN105481323A (en) * | 2016-02-02 | 2016-04-13 | 金陵科技学院 | Carbon fiber composite concrete and preparation method thereof |
| CN106278012A (en) * | 2016-07-25 | 2017-01-04 | 安庆惠嘉新型建材有限公司 | A kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof |
| CN106348668A (en) * | 2016-08-24 | 2017-01-25 | 北京中交桥宇科技有限公司 | Plain concrete |
| CN106892599B (en) * | 2017-03-07 | 2019-07-05 | 河南城建学院 | A kind of fiber concrete, using its buffering hard shoulder and buffer the preparation method of hard shoulder |
| CN106892599A (en) * | 2017-03-07 | 2017-06-27 | 河南城建学院 | A kind of preparation method of fiber concrete, the New Buffering hard shoulder using it and New Buffering hard shoulder |
| CN106915937A (en) * | 2017-03-15 | 2017-07-04 | 北京城建九秋实混凝土有限公司 | Metallic fiber concrete and its production technology |
| CN106977156A (en) * | 2017-04-13 | 2017-07-25 | 天津金隅混凝土有限公司 | high-strength high-performance concrete and preparation method thereof |
| CN107324702A (en) * | 2017-05-31 | 2017-11-07 | 南通不二环境科技有限公司 | A kind of tencel concrete |
| CN107344828A (en) * | 2017-05-31 | 2017-11-14 | 南通不二环境科技有限公司 | A kind of modified concrete formulation |
| CN107324703A (en) * | 2017-06-14 | 2017-11-07 | 北京兆阳光热技术有限公司 | The formula and preparation technology of a kind of heat accumulation concrete |
| CN107500681A (en) * | 2017-10-12 | 2017-12-22 | 贺州学院 | A kind of fiber reinforced concretes and preparation method thereof |
| CN110642577A (en) * | 2019-11-13 | 2020-01-03 | 南通海华建材有限公司 | Preparation process of corrosion-resistant concrete pipe pile |
| CN110759679A (en) * | 2019-11-13 | 2020-02-07 | 南通海华建材有限公司 | Preparation process of high-strength concrete pipe pile |
| CN112459035A (en) * | 2020-11-25 | 2021-03-09 | 中国水利水电第七工程局有限公司 | Treatment method of municipal pipe network construction muck with remarkable tensile effect |
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Application publication date: 20151118 |
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