CN103253919A - Preparation method of cement mixture - Google Patents
Preparation method of cement mixture Download PDFInfo
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- CN103253919A CN103253919A CN2013101567950A CN201310156795A CN103253919A CN 103253919 A CN103253919 A CN 103253919A CN 2013101567950 A CN2013101567950 A CN 2013101567950A CN 201310156795 A CN201310156795 A CN 201310156795A CN 103253919 A CN103253919 A CN 103253919A
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Abstract
The invention relates to a preparation method of a cement mixture. The cement mixture comprises the following components in percentage by weight: 10-50 percent of glue, 1-8 percent of a water reducing agent, 20-70 percent of cement, 20-70 percent of quartz sand or river sand, 10-30 percent of glass fiber chopped strands, 10-50 percent of water and a glass fiber chopped strand mat. According to the preparation method, the solidification rate of the cement mixture can be enhanced, the strength of the solidified cement mixture is also ensured, and thus the production efficiency of the cement mixture is improved under the condition that the performance of the cement mixture is ensured. The cement mixture prepared by the method can be used for replacing raw materials such as marbles and wood and manufacturing GRC (Glass fiber Reinforced Cement) members, marble-like products and the like, and is suitable for large-scale decoration in entertainment venues, hotels, public houses, real estate gardens and the like.
Description
Technical field
The present invention relates to a kind of preparation process of mixture, relate in particular to a kind of preparation method of cement admixture.
Background technology
Cement, powdery hydraulicity inorganic coagulation material.Add water and stir the back and become slurry, can in air, harden or in water, better harden, and can materials such as sand, stone securely gluing form mixture together.Cement admixture is specially adapted to make concrete, precast concrete, clear-water concrete, GRC product, special occasion such as tackiness agent.The Portland cement mixture is for the production of the GRC product time, because setting time is longer in the preparation process, thus can cause production efficiency of products low, thus have influence on the producer's economic benefit.
Summary of the invention
To the present invention is directed to that the setting rate that the existing common preparation method of cement admixture has is slow, production efficiency is low etc. not enough and propose, and aims to provide that setting time is short, the preparation method of a kind of cement admixture that can enhance productivity.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of preparation method of cement admixture, each raw material composition of cement admixture is as follows by weight percentage:
Water 10%-50%
Cement 20%-70%
Quartz sand or river sand 20%-70%
Glue 10%-50%
Water reducer 1%-8%;
The preparation process of cement admixture is as follows:
A. with water and cement mixing, form mixture I;
B. in mixture I, add quartz sand or river sand, form mixtures II;
C. in mixtures II, add glue, form mixtures III;
D. in mixtures III, add water reducer, form mixture IV.
As preferably, after the steps d, mixture IV is put into mould form work in-process, lay glass chopped strand mats on half-finished surface then; The glass chopped sand that with weight percent is 10%-30% is at last put into work in-process, and both mix the back and form cement admixture.This method can be accelerated the setting rate of cement, and enhances productivity under the prerequisite that does not reduce the cement admixture performance.
As preferably, each raw material composition of cement admixture is as follows by weight percentage:
Water 15%-45%
Cement 25%-60%
Quartz sand or river sand 25%-60%
Glue 15%-45%
Water reducer 2%-6%
Glass chopped sand 12%-28%.
In addition, glass chopped strand mats calculates with unit surface, and the cement admixture of each unit surface needs upper and lower surface to paste glass chopped strand mats, and each face pastes the glass chopped strand mats of a unit surface.For example: the cement admixture of 1 ㎡, upper and lower surface all need to lay the glass chopped strand mats of 1 ㎡.
As preferably, glass chopped strand mats is layed in half-finished upper surface and lower surface.
As preferably, the laying total area of glass chopped strand mats is smaller or equal to half-finished upper surface area and lower surface area sum.The area that glass chopped strand mats is laid can be less than the area of upper and lower surface, for example: the cement admixture upper and lower surface of 1 ㎡ all can be laid the glass chopped strand mats less than 1 ㎡.
As preferably, cement is aluminosulfate cement.Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
As preferably, glue is the phenylpropyl alcohol ACRYLIC EMULSION.Cement admixture with this glue production is compared with the Portland cement mixture, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
As preferably, water reducer is polycarboxylate water-reducer.Polycarboxylate water-reducer has the outer characteristics such as the agent volume is low, water-reducing rate is high, contraction is little of returning.
As preferably, glass chopped strand mats is cut felt for the alkali resistant glass fibre weak point.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
As preferably, glass chopped sand is cut sand for the alkali resistant glass fibre weak point.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
According to technical scheme of the present invention, a kind of preparation method of cement admixture not only can improve the setting rate of cement admixture, but also has guaranteed the intensity after cement admixture solidifies.Thereby make cement admixture under the guaranteed prerequisite of performance, improved the production efficiency of cement admixture.The cement admixture of producing according to this method can replace starting material such as marble, timber, be used for making GRC member, parian product etc., be applicable to large-scale fitting-ups such as luxurious KTV, bar, public place of entertainment, lavipeditum, hotel, hotel, real estate gardens.Simultaneously, owing to can replace starting material such as timber, the cement admixture that uses this method to produce is conducive to the saving of environmental protection and the energy.
Embodiment
Embodiment 1
A kind of preparation method of cement admixture may further comprise the steps:
A. the water of 10 ㎏ and the aluminosulfate cement of 20 ㎏ are mixed, form mixture I; Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
B. add the quartz sand of 49 ㎏ in the mixture I, form mixtures II;
C. adding weight percent in the mixtures II is the phenylpropyl alcohol ACRYLIC EMULSION of 10 ㎏, forms mixtures III; Compare with the Portland cement mixture with the cement admixture that the phenylpropyl alcohol ACRYLIC EMULSION is produced, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
D. adding weight percent in the mixtures III is the polycarboxylate water-reducer of 1 ㎏, forms mixture IV; Polycarboxylate water-reducer can reduce produces the required water consumption of cement admixture, and can significantly improve the intensity of cement admixture.
E. mixture IV is put into mould and form work in-process, lay the alkali resistant glass fibre weak point in half-finished upper and lower surface then and cut felt, the alkali resistant glass fibre weak point is cut the area of felt smaller or equal to work in-process upper and lower surface area; The alkali resistant glass fibre weak point is cut felt and is calculated with unit surface, and the cement of each unit surface needs two-sided subsides alkali resistant glass fibre weak point to cut felt.After the moulding, the upper surface of per 1 ㎡ cement and lower surface are all laid the alkali resistant glass fibre weak point of 1 ㎡ and are cut felt.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
F. the alkali resistant glass fibre weak point of 10 ㎏ is cut sand and put into work in-process, both mix the back and form cement admixture.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
The time that Portland cement solidifies needs more than 10 hour at least, and 20-30 hour at most, the cement admixture that this preparation method produces then only needed just solidifiable in 3 hours.So this method can be accelerated the setting rate of cement, and under the prerequisite that does not reduce cement performance, enhance productivity.
Embodiment 2
A kind of preparation method of cement admixture may further comprise the steps:
A. the water of 17 ㎏ and the aluminosulfate cement of 60 ㎏ are mixed, form mixture I; Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
B. add the river sand of 28 ㎏ in the mixture I, form mixtures II;
C. adding weight percent in the mixtures II is the phenylpropyl alcohol ACRYLIC EMULSION of 15 ㎏, forms mixtures III; Compare with the Portland cement mixture with the cement admixture that the phenylpropyl alcohol ACRYLIC EMULSION is produced, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
D. adding weight percent in the mixtures III is the polycarboxylate water-reducer of 3 ㎏, forms mixture IV; Polycarboxylate water-reducer can reduce produces the required water consumption of cement admixture, and can significantly improve the intensity of cement admixture.
E. mixture IV is put into mould and form work in-process, lay the alkali resistant glass fibre weak point in half-finished upper and lower surface then and cut felt, the alkali resistant glass fibre weak point is cut the area of felt smaller or equal to work in-process upper and lower surface area; The alkali resistant glass fibre weak point is cut felt and is calculated with unit surface, and the cement of each unit surface needs two-sided subsides alkali resistant glass fibre weak point to cut felt.After the moulding, the upper surface of per 1 ㎡ cement and lower surface are all laid the alkali resistant glass fibre weak point of 1 ㎡ and are cut felt.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
F. the alkali resistant glass fibre weak point of 15 ㎏ is cut sand and put into work in-process, both mix the back and form cement admixture.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
The time that Portland cement solidifies needs more than 10 hour at least, and 20-30 hour at most, the cement admixture that this preparation method produces then only needed just solidifiable in 3 hours.So this method can be accelerated the setting rate of cement, and under the prerequisite that does not reduce cement performance, enhance productivity.
Embodiment 3
A kind of preparation method of cement admixture may further comprise the steps:
A. the water of 36 ㎏ and the aluminosulfate cement of 76 ㎏ are mixed, form mixture I; Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
B. add the river sand of 40 ㎏ in the mixture I, form mixtures II;
C. adding weight percent in the mixtures II is the phenylpropyl alcohol ACRYLIC EMULSION of 26 ㎏, forms mixtures III; Compare with the Portland cement mixture with the cement admixture that the phenylpropyl alcohol ACRYLIC EMULSION is produced, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
D. adding weight percent in the mixtures III is the polycarboxylate water-reducer of 2 ㎏, forms mixture IV; Polycarboxylate water-reducer can reduce produces the required water consumption of cement admixture, and can significantly improve the intensity of cement admixture.
E. mixture IV is put into mould and form work in-process, lay the alkali resistant glass fibre weak point in half-finished upper and lower surface then and cut felt, the alkali resistant glass fibre weak point is cut the area of felt smaller or equal to work in-process upper and lower surface area; The alkali resistant glass fibre weak point is cut felt and is calculated with unit surface, and the cement of each unit surface needs two-sided subsides alkali resistant glass fibre weak point to cut felt.After the moulding, the upper surface of per 1 ㎡ cement and lower surface are all laid the alkali resistant glass fibre weak point of 1 ㎡ and are cut felt.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
F. the alkali resistant glass fibre weak point of 20 ㎏ is cut sand and put into work in-process, both mix the back and form cement admixture.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
The time that Portland cement solidifies needs more than 10 hour at least, and 20-30 hour at most, the cement admixture that this preparation method produces then only needed just solidifiable in 3 hours.So this method can be accelerated the setting rate of cement, and under the prerequisite that does not reduce cement performance, enhance productivity.
Embodiment 4
A kind of preparation method of cement admixture may further comprise the steps:
A. the water of 5 ㎏ and the aluminosulfate cement of 21 ㎏ are mixed, form mixture I; Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
B. add the quartz sand of 10 ㎏ in the mixture I, form mixtures II;
C. adding weight percent in the mixtures II is the phenylpropyl alcohol ACRYLIC EMULSION of 5 ㎏, forms mixtures III; Compare with the Portland cement mixture with the cement admixture that the phenylpropyl alcohol ACRYLIC EMULSION is produced, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
D. adding weight percent in the mixtures III is the polycarboxylate water-reducer of 4 ㎏, forms mixture IV; Polycarboxylate water-reducer can reduce produces the required water consumption of cement admixture, and can significantly improve the intensity of cement admixture.
E. mixture IV is put into mould and form work in-process, lay the alkali resistant glass fibre weak point in half-finished upper and lower surface then and cut felt, the alkali resistant glass fibre weak point is cut the area of felt smaller or equal to work in-process upper and lower surface area; The alkali resistant glass fibre weak point is cut felt and is calculated with unit surface, and the cement of each unit surface needs two-sided subsides alkali resistant glass fibre weak point to cut felt.After the moulding, the upper surface of per 1 ㎡ cement and lower surface are all laid the alkali resistant glass fibre weak point of 1 ㎡ and are cut felt.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
F. the alkali resistant glass fibre weak point of 5 ㎏ is cut sand and put into work in-process, both mix the back and form cement admixture.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
The time that Portland cement solidifies needs more than 10 hour at least, and 20-30 hour at most, the cement admixture that this preparation method produces then only needed just solidifiable in 3 hours.So this method can be accelerated the setting rate of cement, and under the prerequisite that does not reduce cement performance, enhance productivity.
Embodiment 5
A kind of preparation method of cement admixture may further comprise the steps:
A. the water of 25 ㎏ and the aluminosulfate cement of 20 ㎏ are mixed, form mixture I; Aluminosulfate cement not only early strength is higher, and when solidifying in the later stage, intensity also can constantly increase.Aluminosulfate cement also has high anti-freezing, corrosion-resistant, high performance such as impervious.
B. add the quartz sand of 25 ㎏ in the mixture I, form mixtures II;
C. adding weight percent in the mixtures II is the phenylpropyl alcohol ACRYLIC EMULSION of 14 ㎏, forms mixtures III; Compare with the Portland cement mixture with the cement admixture that the phenylpropyl alcohol ACRYLIC EMULSION is produced, have the greatest limit rate of extending and improve 2-3 doubly, improve more than 4 times with old mortar wet surface cohesive strength, water-intake rate reduction by 80%, anti-chlorine penetrating power improve 8 times, tensile strength improves 1 times, shrinks and reduces a lot.
D. adding weight percent in the mixtures III is the polycarboxylate water-reducer of 1 ㎏, forms mixture IV; Polycarboxylate water-reducer can reduce produces the required water consumption of cement admixture, and can significantly improve the intensity of cement admixture.
E. mixture IV is put into mould and form work in-process, lay the alkali resistant glass fibre weak point in half-finished upper and lower surface then and cut felt, the alkali resistant glass fibre weak point is cut the area of felt smaller or equal to work in-process upper and lower surface area; The alkali resistant glass fibre weak point is cut felt and is calculated with unit surface, and the cement of each unit surface needs two-sided subsides alkali resistant glass fibre weak point to cut felt.After the moulding, the upper surface of per 1 ㎡ cement and lower surface are all laid the alkali resistant glass fibre weak point of 1 ㎡ and are cut felt.Weak point is cut felt and can be improved the integrally-built intensity of mixture.
F. the alkali resistant glass fibre weak point of 15 ㎏ is cut sand and put into work in-process, both mix the back and form cement admixture.Weak point is cut sand and can be improved the integrally-built intensity of mixture.
The time that Portland cement solidifies needs more than 10 hour at least, and 20-30 hour at most, the cement admixture that this preparation method produces then only needed just solidifiable in 3 hours.So this method can be accelerated the setting rate of cement, and under the prerequisite that does not reduce cement performance, enhance productivity.
In a word, the above only is preferred embodiment of the present invention, and all equalizations of doing according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. the preparation method of a cement admixture is characterized in that:
Each raw material composition of cement admixture is as follows by weight percentage:
Water 10%-50%
Cement 20%-70%
Quartz sand or river sand 20%-70%
Glue 10%-50%
Water reducer 1%-8%;
The preparation process of cement admixture is as follows:
A. with water and cement mixing, form mixture I;
B. in mixture I, add quartz sand or river sand, form mixtures II;
C. in mixtures II, add glue, form mixtures III;
D. in mixtures III, add water reducer, form mixture IV.
2. the preparation method of a kind of cement admixture according to claim 1 is characterized in that: after the steps d, mixture IV is put into mould form work in-process, lay glass chopped strand mats on half-finished surface then; The glass chopped sand that with weight percent is 10%-30% is at last put into work in-process, and both mix the back and form cement admixture.
3. the preparation method of a kind of cement admixture according to claim 2 is characterized in that:
Each raw material composition of cement admixture is as follows by weight percentage:
Water 15%-45%
Cement 25%-60%
Quartz sand or river sand 25%-60%
Glue 15%-45%
Water reducer 2%-6%
Glass chopped sand 12%-28%.
4. the preparation method of a kind of cement admixture according to claim 2, it is characterized in that: glass chopped strand mats is layed in half-finished upper surface and lower surface.
5. the preparation method of a kind of cement admixture according to claim 4, it is characterized in that: the laying total area of glass chopped strand mats is smaller or equal to half-finished upper surface area and lower surface area sum.
6. the preparation method of a kind of cement admixture according to claim 1, it is characterized in that: cement is aluminosulfate cement.
7. the preparation method of a kind of cement admixture according to claim 1, it is characterized in that: glue is the phenylpropyl alcohol ACRYLIC EMULSION.
8. the preparation method of a kind of cement admixture according to claim 1, it is characterized in that: water reducer is polycarboxylate water-reducer.
9. the preparation method of a kind of cement admixture according to claim 2, it is characterized in that: glass chopped strand mats is cut felt for the alkali resistant glass fibre weak point.
10. the preparation method of a kind of cement admixture according to claim 2, it is characterized in that: glass chopped sand is cut sand for the alkali resistant glass fibre weak point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101567950A CN103253919A (en) | 2013-04-27 | 2013-04-27 | Preparation method of cement mixture |
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| CN2013101567950A CN103253919A (en) | 2013-04-27 | 2013-04-27 | Preparation method of cement mixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230250A (en) * | 2014-10-16 | 2014-12-24 | 上海卓欧建筑装饰工程有限公司 | Processing technique for artificial marble decorative surface by using GRC (Glass Fiber Rinforced Cement) material |
| CN107200602A (en) * | 2017-07-03 | 2017-09-26 | 四川帝王洁具股份有限公司 | Glass-fiber reinforced cement and preparation method thereof |
| CN109678435A (en) * | 2018-12-10 | 2019-04-26 | 深圳市绿志新型建材研究院有限公司 | Utilize the GRC waistcloth wallboard and preparation method thereof of low-quality recycled fine aggregate production |
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| JPH08133810A (en) * | 1994-11-07 | 1996-05-28 | Takenaka Komuten Co Ltd | Ultra-lightweight grc member and composition therefor and production of the member using the composition |
| JPH11268973A (en) * | 1998-01-09 | 1999-10-05 | Diamond Engineering Kk | Fiber-reinforced lightweight concrete |
| CN1530501A (en) * | 2003-03-10 | 2004-09-22 | 张英保 | Light cast-in-situs concrete wallboard |
| CN102079651A (en) * | 2010-12-01 | 2011-06-01 | 厦门美厦工艺品有限公司 | Glass fiber reinforced cement product and manufacturing method thereof |
| CN102094501A (en) * | 2010-12-14 | 2011-06-15 | 南京倍立达实业有限公司 | Glass fiber reinforced cement (GRC) insulation decorative wallboard and production method thereof |
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2013
- 2013-04-27 CN CN2013101567950A patent/CN103253919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133810A (en) * | 1994-11-07 | 1996-05-28 | Takenaka Komuten Co Ltd | Ultra-lightweight grc member and composition therefor and production of the member using the composition |
| JPH11268973A (en) * | 1998-01-09 | 1999-10-05 | Diamond Engineering Kk | Fiber-reinforced lightweight concrete |
| CN1530501A (en) * | 2003-03-10 | 2004-09-22 | 张英保 | Light cast-in-situs concrete wallboard |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230250A (en) * | 2014-10-16 | 2014-12-24 | 上海卓欧建筑装饰工程有限公司 | Processing technique for artificial marble decorative surface by using GRC (Glass Fiber Rinforced Cement) material |
| CN107200602A (en) * | 2017-07-03 | 2017-09-26 | 四川帝王洁具股份有限公司 | Glass-fiber reinforced cement and preparation method thereof |
| CN109678435A (en) * | 2018-12-10 | 2019-04-26 | 深圳市绿志新型建材研究院有限公司 | Utilize the GRC waistcloth wallboard and preparation method thereof of low-quality recycled fine aggregate production |
| CN109678435B (en) * | 2018-12-10 | 2021-07-06 | 广州市绿志环保科技有限公司 | GRC decorative curtain wall board made of low-quality recycled fine aggregate and preparation method thereof |
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